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防止xss攻击配置

yq 4 年之前
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9decf82511

+ 10 - 0
WebRoot/WEB-INF/web.xml

@@ -70,4 +70,14 @@
 		<error-code>404</error-code>
 		<location>/err/404.jsp</location>
 	</error-page>
+
+    <filter>
+        <filter-name>XssSqlFilter</filter-name>
+        <filter-class>cn.com.usky.filter.XssFilter</filter-class>
+    </filter>
+    <filter-mapping>
+        <filter-name>XssSqlFilter</filter-name>
+        <url-pattern>/*</url-pattern>
+        <dispatcher>REQUEST</dispatcher>
+    </filter-mapping>
 </web-app>

+ 86 - 0
src/cn/com/usky/filter/CharsetKit.java

@@ -0,0 +1,86 @@
+package cn.com.usky.filter;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+
+
+/**
+ * 字符集工具类
+ *
+ * @author ruoyi
+ */
+public class CharsetKit
+{
+    /** ISO-8859-1 */
+    public static final String ISO_8859_1 = "ISO-8859-1";
+    /** UTF-8 */
+    public static final String UTF_8 = "UTF-8";
+    /** GBK */
+    public static final String GBK = "GBK";
+
+    /** ISO-8859-1 */
+    public static final Charset CHARSET_ISO_8859_1 = Charset.forName(ISO_8859_1);
+    /** UTF-8 */
+    public static final Charset CHARSET_UTF_8 = Charset.forName(UTF_8);
+    /** GBK */
+    public static final Charset CHARSET_GBK = Charset.forName(GBK);
+
+    /**
+     * 转换为Charset对象
+     *
+     * @param charset 字符集,为空则返回默认字符集
+     * @return Charset
+     */
+    public static Charset charset(String charset)
+    {
+        return StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset);
+    }
+
+    /**
+     * 转换字符串的字符集编码
+     *
+     * @param source 字符串
+     * @param srcCharset 源字符集,默认ISO-8859-1
+     * @param destCharset 目标字符集,默认UTF-8
+     * @return 转换后的字符集
+     */
+    public static String convert(String source, String srcCharset, String destCharset)
+    {
+        return convert(source, Charset.forName(srcCharset), Charset.forName(destCharset));
+    }
+
+    /**
+     * 转换字符串的字符集编码
+     *
+     * @param source 字符串
+     * @param srcCharset 源字符集,默认ISO-8859-1
+     * @param destCharset 目标字符集,默认UTF-8
+     * @return 转换后的字符集
+     */
+    public static String convert(String source, Charset srcCharset, Charset destCharset)
+    {
+        if (null == srcCharset)
+        {
+            srcCharset = StandardCharsets.ISO_8859_1;
+        }
+
+        if (null == destCharset)
+        {
+            destCharset = StandardCharsets.UTF_8;
+        }
+
+        if (StringUtils.isEmpty(source) || srcCharset.equals(destCharset))
+        {
+            return source;
+        }
+        return new String(source.getBytes(srcCharset), destCharset);
+    }
+
+    /**
+     * @return 系统字符集编码
+     */
+    public static String systemCharset()
+    {
+        return Charset.defaultCharset().name();
+    }
+}

+ 114 - 0
src/cn/com/usky/filter/Constants.java

@@ -0,0 +1,114 @@
+package com.ruoyi.common.constant;
+
+/**
+ * 通用常量信息
+ *
+ * @author ruoyi
+ */
+public class Constants
+{
+    /**
+     * UTF-8 字符集
+     */
+    public static final String UTF8 = "UTF-8";
+
+    /**
+     * GBK 字符集
+     */
+    public static final String GBK = "GBK";
+
+    /**
+     * http请求
+     */
+    public static final String HTTP = "http://";
+
+    /**
+     * https请求
+     */
+    public static final String HTTPS = "https://";
+
+    /**
+     * 通用成功标识
+     */
+    public static final String SUCCESS = "0";
+
+    /**
+     * 通用失败标识
+     */
+    public static final String FAIL = "1";
+
+    /**
+     * 登录成功
+     */
+    public static final String LOGIN_SUCCESS = "Success";
+
+    /**
+     * 注销
+     */
+    public static final String LOGOUT = "Logout";
+
+    /**
+     * 注册
+     */
+    public static final String REGISTER = "Register";
+
+    /**
+     * 登录失败
+     */
+    public static final String LOGIN_FAIL = "Error";
+
+    /**
+     * 当前记录起始索引
+     */
+    public static final String PAGE_NUM = "pageNum";
+
+    /**
+     * 每页显示记录数
+     */
+    public static final String PAGE_SIZE = "pageSize";
+
+    /**
+     * 排序列
+     */
+    public static final String ORDER_BY_COLUMN = "orderByColumn";
+
+    /**
+     * 排序的方向 "desc" 或者 "asc".
+     */
+    public static final String IS_ASC = "isAsc";
+
+    /**
+     * 系统用户授权缓存
+     */
+    public static final String SYS_AUTH_CACHE = "sys-authCache";
+
+    /**
+     * 参数管理 cache name
+     */
+    public static final String SYS_CONFIG_CACHE = "sys-config";
+
+    /**
+     * 参数管理 cache key
+     */
+    public static final String SYS_CONFIG_KEY = "sys_config:";
+
+    /**
+     * 字典管理 cache name
+     */
+    public static final String SYS_DICT_CACHE = "sys-dict";
+
+    /**
+     * 字典管理 cache key
+     */
+    public static final String SYS_DICT_KEY = "sys_dict:";
+
+    /**
+     * 资源映射路径 前缀
+     */
+    public static final String RESOURCE_PREFIX = "/profile";
+
+    /**
+     * RMI 远程方法调用
+     */
+    public static final String LOOKUP_RMI = "rmi://";
+}

+ 1005 - 0
src/cn/com/usky/filter/Convert.java

@@ -0,0 +1,1005 @@
+package cn.com.usky.filter;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.text.NumberFormat;
+import java.util.Set;
+
+import org.apache.commons.lang3.ArrayUtils;
+
+/**
+ * 类型转换器
+ *
+ * @author ruoyi
+ */
+public class Convert
+{
+    /**
+     * 转换为字符串<br>
+     * 如果给定的值为null,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static String toStr(Object value, String defaultValue)
+    {
+        if (null == value)
+        {
+            return defaultValue;
+        }
+        if (value instanceof String)
+        {
+            return (String) value;
+        }
+        return value.toString();
+    }
+
+    /**
+     * 转换为字符串<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static String toStr(Object value)
+    {
+        return toStr(value, null);
+    }
+
+    /**
+     * 转换为字符<br>
+     * 如果给定的值为null,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Character toChar(Object value, Character defaultValue)
+    {
+        if (null == value)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Character)
+        {
+            return (Character) value;
+        }
+
+        final String valueStr = toStr(value, null);
+        return StringUtils.isEmpty(valueStr) ? defaultValue : valueStr.charAt(0);
+    }
+
+    /**
+     * 转换为字符<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Character toChar(Object value)
+    {
+        return toChar(value, null);
+    }
+
+    /**
+     * 转换为byte<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Byte toByte(Object value, Byte defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Byte)
+        {
+            return (Byte) value;
+        }
+        if (value instanceof Number)
+        {
+            return ((Number) value).byteValue();
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return Byte.parseByte(valueStr);
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为byte<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Byte toByte(Object value)
+    {
+        return toByte(value, null);
+    }
+
+    /**
+     * 转换为Short<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Short toShort(Object value, Short defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Short)
+        {
+            return (Short) value;
+        }
+        if (value instanceof Number)
+        {
+            return ((Number) value).shortValue();
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return Short.parseShort(valueStr.trim());
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为Short<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Short toShort(Object value)
+    {
+        return toShort(value, null);
+    }
+
+    /**
+     * 转换为Number<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Number toNumber(Object value, Number defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Number)
+        {
+            return (Number) value;
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return NumberFormat.getInstance().parse(valueStr);
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为Number<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Number toNumber(Object value)
+    {
+        return toNumber(value, null);
+    }
+
+    /**
+     * 转换为int<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Integer toInt(Object value, Integer defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Integer)
+        {
+            return (Integer) value;
+        }
+        if (value instanceof Number)
+        {
+            return ((Number) value).intValue();
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return Integer.parseInt(valueStr.trim());
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为int<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Integer toInt(Object value)
+    {
+        return toInt(value, null);
+    }
+
+    /**
+     * 转换为Integer数组<br>
+     *
+     * @param str 被转换的值
+     * @return 结果
+     */
+    public static Integer[] toIntArray(String str)
+    {
+        return toIntArray(",", str);
+    }
+
+    /**
+     * 转换为Long数组<br>
+     *
+     * @param str 被转换的值
+     * @return 结果
+     */
+    public static Long[] toLongArray(String str)
+    {
+        return toLongArray(",", str);
+    }
+
+    /**
+     * 转换为Integer数组<br>
+     *
+     * @param split 分隔符
+     * @param split 被转换的值
+     * @return 结果
+     */
+    public static Integer[] toIntArray(String split, String str)
+    {
+        if (StringUtils.isEmpty(str))
+        {
+            return new Integer[] {};
+        }
+        String[] arr = str.split(split);
+        final Integer[] ints = new Integer[arr.length];
+        for (int i = 0; i < arr.length; i++)
+        {
+            final Integer v = toInt(arr[i], 0);
+            ints[i] = v;
+        }
+        return ints;
+    }
+
+    /**
+     * 转换为Long数组<br>
+     *
+     * @param split 分隔符
+     * @param str 被转换的值
+     * @return 结果
+     */
+    public static Long[] toLongArray(String split, String str)
+    {
+        if (StringUtils.isEmpty(str))
+        {
+            return new Long[] {};
+        }
+        String[] arr = str.split(split);
+        final Long[] longs = new Long[arr.length];
+        for (int i = 0; i < arr.length; i++)
+        {
+            final Long v = toLong(arr[i], null);
+            longs[i] = v;
+        }
+        return longs;
+    }
+
+    /**
+     * 转换为String数组<br>
+     *
+     * @param str 被转换的值
+     * @return 结果
+     */
+    public static String[] toStrArray(String str)
+    {
+        return toStrArray(",", str);
+    }
+
+    /**
+     * 转换为String数组<br>
+     *
+     * @param split 分隔符
+     * @param split 被转换的值
+     * @return 结果
+     */
+    public static String[] toStrArray(String split, String str)
+    {
+        return str.split(split);
+    }
+
+    /**
+     * 转换为long<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Long toLong(Object value, Long defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Long)
+        {
+            return (Long) value;
+        }
+        if (value instanceof Number)
+        {
+            return ((Number) value).longValue();
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            // 支持科学计数法
+            return new BigDecimal(valueStr.trim()).longValue();
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为long<br>
+     * 如果给定的值为<code>null</code>,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Long toLong(Object value)
+    {
+        return toLong(value, null);
+    }
+
+    /**
+     * 转换为double<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Double toDouble(Object value, Double defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Double)
+        {
+            return (Double) value;
+        }
+        if (value instanceof Number)
+        {
+            return ((Number) value).doubleValue();
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            // 支持科学计数法
+            return new BigDecimal(valueStr.trim()).doubleValue();
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为double<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Double toDouble(Object value)
+    {
+        return toDouble(value, null);
+    }
+
+    /**
+     * 转换为Float<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Float toFloat(Object value, Float defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Float)
+        {
+            return (Float) value;
+        }
+        if (value instanceof Number)
+        {
+            return ((Number) value).floatValue();
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return Float.parseFloat(valueStr.trim());
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为Float<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Float toFloat(Object value)
+    {
+        return toFloat(value, null);
+    }
+
+    /**
+     * 转换为boolean<br>
+     * String支持的值为:true、false、yes、ok、no,1,0 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static Boolean toBool(Object value, Boolean defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof Boolean)
+        {
+            return (Boolean) value;
+        }
+        String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        valueStr = valueStr.trim().toLowerCase();
+        switch (valueStr)
+        {
+            case "true":
+                return true;
+            case "false":
+                return false;
+            case "yes":
+                return true;
+            case "ok":
+                return true;
+            case "no":
+                return false;
+            case "1":
+                return true;
+            case "0":
+                return false;
+            default:
+                return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为boolean<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static Boolean toBool(Object value)
+    {
+        return toBool(value, null);
+    }
+
+    /**
+     * 转换为Enum对象<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     *
+     * @param clazz Enum的Class
+     * @param value 值
+     * @param defaultValue 默认值
+     * @return Enum
+     */
+    public static <E extends Enum<E>> E toEnum(Class<E> clazz, Object value, E defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (clazz.isAssignableFrom(value.getClass()))
+        {
+            @SuppressWarnings("unchecked")
+            E myE = (E) value;
+            return myE;
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return Enum.valueOf(clazz, valueStr);
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为Enum对象<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<code>null</code><br>
+     *
+     * @param clazz Enum的Class
+     * @param value 值
+     * @return Enum
+     */
+    public static <E extends Enum<E>> E toEnum(Class<E> clazz, Object value)
+    {
+        return toEnum(clazz, value, null);
+    }
+
+    /**
+     * 转换为BigInteger<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static BigInteger toBigInteger(Object value, BigInteger defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof BigInteger)
+        {
+            return (BigInteger) value;
+        }
+        if (value instanceof Long)
+        {
+            return BigInteger.valueOf((Long) value);
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return new BigInteger(valueStr);
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为BigInteger<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<code>null</code><br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static BigInteger toBigInteger(Object value)
+    {
+        return toBigInteger(value, null);
+    }
+
+    /**
+     * 转换为BigDecimal<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @param defaultValue 转换错误时的默认值
+     * @return 结果
+     */
+    public static BigDecimal toBigDecimal(Object value, BigDecimal defaultValue)
+    {
+        if (value == null)
+        {
+            return defaultValue;
+        }
+        if (value instanceof BigDecimal)
+        {
+            return (BigDecimal) value;
+        }
+        if (value instanceof Long)
+        {
+            return new BigDecimal((Long) value);
+        }
+        if (value instanceof Double)
+        {
+            return new BigDecimal((Double) value);
+        }
+        if (value instanceof Integer)
+        {
+            return new BigDecimal((Integer) value);
+        }
+        final String valueStr = toStr(value, null);
+        if (StringUtils.isEmpty(valueStr))
+        {
+            return defaultValue;
+        }
+        try
+        {
+            return new BigDecimal(valueStr);
+        }
+        catch (Exception e)
+        {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 转换为BigDecimal<br>
+     * 如果给定的值为空,或者转换失败,返回默认值<br>
+     * 转换失败不会报错
+     *
+     * @param value 被转换的值
+     * @return 结果
+     */
+    public static BigDecimal toBigDecimal(Object value)
+    {
+        return toBigDecimal(value, null);
+    }
+
+    /**
+     * 将对象转为字符串<br>
+     * 1、Byte数组和ByteBuffer会被转换为对应字符串的数组 2、对象数组会调用Arrays.toString方法
+     *
+     * @param obj 对象
+     * @return 字符串
+     */
+    public static String utf8Str(Object obj)
+    {
+        return str(obj, CharsetKit.CHARSET_UTF_8);
+    }
+
+    /**
+     * 将对象转为字符串<br>
+     * 1、Byte数组和ByteBuffer会被转换为对应字符串的数组 2、对象数组会调用Arrays.toString方法
+     *
+     * @param obj 对象
+     * @param charsetName 字符集
+     * @return 字符串
+     */
+    public static String str(Object obj, String charsetName)
+    {
+        return str(obj, Charset.forName(charsetName));
+    }
+
+    /**
+     * 将对象转为字符串<br>
+     * 1、Byte数组和ByteBuffer会被转换为对应字符串的数组 2、对象数组会调用Arrays.toString方法
+     *
+     * @param obj 对象
+     * @param charset 字符集
+     * @return 字符串
+     */
+    public static String str(Object obj, Charset charset)
+    {
+        if (null == obj)
+        {
+            return null;
+        }
+
+        if (obj instanceof String)
+        {
+            return (String) obj;
+        }
+        else if (obj instanceof byte[])
+        {
+            return str((byte[]) obj, charset);
+        }
+        else if (obj instanceof Byte[])
+        {
+            byte[] bytes = ArrayUtils.toPrimitive((Byte[]) obj);
+            return str(bytes, charset);
+        }
+        else if (obj instanceof ByteBuffer)
+        {
+            return str((ByteBuffer) obj, charset);
+        }
+        return obj.toString();
+    }
+
+    /**
+     * 将byte数组转为字符串
+     *
+     * @param bytes byte数组
+     * @param charset 字符集
+     * @return 字符串
+     */
+    public static String str(byte[] bytes, String charset)
+    {
+        return str(bytes, StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset));
+    }
+
+    /**
+     * 解码字节码
+     *
+     * @param data 字符串
+     * @param charset 字符集,如果此字段为空,则解码的结果取决于平台
+     * @return 解码后的字符串
+     */
+    public static String str(byte[] data, Charset charset)
+    {
+        if (data == null)
+        {
+            return null;
+        }
+
+        if (null == charset)
+        {
+            return new String(data);
+        }
+        return new String(data, charset);
+    }
+
+    /**
+     * 将编码的byteBuffer数据转换为字符串
+     *
+     * @param data 数据
+     * @param charset 字符集,如果为空使用当前系统字符集
+     * @return 字符串
+     */
+    public static String str(ByteBuffer data, String charset)
+    {
+        if (data == null)
+        {
+            return null;
+        }
+
+        return str(data, Charset.forName(charset));
+    }
+
+    /**
+     * 将编码的byteBuffer数据转换为字符串
+     *
+     * @param data 数据
+     * @param charset 字符集,如果为空使用当前系统字符集
+     * @return 字符串
+     */
+    public static String str(ByteBuffer data, Charset charset)
+    {
+        if (null == charset)
+        {
+            charset = Charset.defaultCharset();
+        }
+        return charset.decode(data).toString();
+    }
+
+    // ----------------------------------------------------------------------- 全角半角转换
+    /**
+     * 半角转全角
+     *
+     * @param input String.
+     * @return 全角字符串.
+     */
+    public static String toSBC(String input)
+    {
+        return toSBC(input, null);
+    }
+
+    /**
+     * 半角转全角
+     *
+     * @param input String
+     * @param notConvertSet 不替换的字符集合
+     * @return 全角字符串.
+     */
+    public static String toSBC(String input, Set<Character> notConvertSet)
+    {
+        char c[] = input.toCharArray();
+        for (int i = 0; i < c.length; i++)
+        {
+            if (null != notConvertSet && notConvertSet.contains(c[i]))
+            {
+                // 跳过不替换的字符
+                continue;
+            }
+
+            if (c[i] == ' ')
+            {
+                c[i] = '\u3000';
+            }
+            else if (c[i] < '\177')
+            {
+                c[i] = (char) (c[i] + 65248);
+
+            }
+        }
+        return new String(c);
+    }
+
+    /**
+     * 全角转半角
+     *
+     * @param input String.
+     * @return 半角字符串
+     */
+    public static String toDBC(String input)
+    {
+        return toDBC(input, null);
+    }
+
+    /**
+     * 替换全角为半角
+     *
+     * @param text 文本
+     * @param notConvertSet 不替换的字符集合
+     * @return 替换后的字符
+     */
+    public static String toDBC(String text, Set<Character> notConvertSet)
+    {
+        char c[] = text.toCharArray();
+        for (int i = 0; i < c.length; i++)
+        {
+            if (null != notConvertSet && notConvertSet.contains(c[i]))
+            {
+                // 跳过不替换的字符
+                continue;
+            }
+
+            if (c[i] == '\u3000')
+            {
+                c[i] = ' ';
+            }
+            else if (c[i] > '\uFF00' && c[i] < '\uFF5F')
+            {
+                c[i] = (char) (c[i] - 65248);
+            }
+        }
+        String returnString = new String(c);
+
+        return returnString;
+    }
+
+    /**
+     * 数字金额大写转换 先写个完整的然后将如零拾替换成零
+     *
+     * @param n 数字
+     * @return 中文大写数字
+     */
+    public static String digitUppercase(double n)
+    {
+        String[] fraction = { "角", "分" };
+        String[] digit = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
+        String[][] unit = { { "元", "万", "亿" }, { "", "拾", "佰", "仟" } };
+
+        String head = n < 0 ? "负" : "";
+        n = Math.abs(n);
+
+        String s = "";
+        for (int i = 0; i < fraction.length; i++)
+        {
+            s += (digit[(int) (Math.floor(n * 10 * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(零.)+", "");
+        }
+        if (s.length() < 1)
+        {
+            s = "整";
+        }
+        int integerPart = (int) Math.floor(n);
+
+        for (int i = 0; i < unit[0].length && integerPart > 0; i++)
+        {
+            String p = "";
+            for (int j = 0; j < unit[1].length && n > 0; j++)
+            {
+                p = digit[integerPart % 10] + unit[1][j] + p;
+                integerPart = integerPart / 10;
+            }
+            s = p.replaceAll("(零.)*零$", "").replaceAll("^$", "零") + unit[0][i] + s;
+        }
+        return head + s.replaceAll("(零.)*零元", "元").replaceFirst("(零.)+", "").replaceAll("(零.)+", "零").replaceAll("^整$", "零元整");
+    }
+}

+ 156 - 0
src/cn/com/usky/filter/EscapeUtil.java

@@ -0,0 +1,156 @@
+package cn.com.usky.filter;
+
+
+import org.apache.commons.lang.StringUtils;
+
+/**
+ * 转义和反转义工具类
+ *
+ * @author ruoyi
+ */
+public class EscapeUtil
+{
+    public static final String RE_HTML_MARK = "(<[^<]*?>)|(<[\\s]*?/[^<]*?>)|(<[^<]*?/[\\s]*?>)";
+
+    private static final char[][] TEXT = new char[64][];
+
+    static
+    {
+        for (int i = 0; i < 64; i++)
+        {
+            TEXT[i] = new char[] { (char) i };
+        }
+
+        // special HTML characters
+        TEXT['\''] = "&#039;".toCharArray(); // 单引号
+        TEXT['"'] = "&#34;".toCharArray(); // 双引号
+        TEXT['&'] = "&#38;".toCharArray(); // &符
+        TEXT['<'] = "&#60;".toCharArray(); // 小于号
+        TEXT['>'] = "&#62;".toCharArray(); // 大于号
+    }
+
+    /**
+     * 转义文本中的HTML字符为安全的字符
+     *
+     * @param text 被转义的文本
+     * @return 转义后的文本
+     */
+    public static String escape(String text)
+    {
+        return encode(text);
+    }
+
+    /**
+     * 还原被转义的HTML特殊字符
+     *
+     * @param content 包含转义符的HTML内容
+     * @return 转换后的字符串
+     */
+    public static String unescape(String content)
+    {
+        return decode(content);
+    }
+
+    /**
+     * 清除所有HTML标签,但是不删除标签内的内容
+     *
+     * @param content 文本
+     * @return 清除标签后的文本
+     */
+    public static String clean(String content)
+    {
+        return new HTMLFilter().filter(content);
+    }
+
+    /**
+     * Escape编码
+     *
+     * @param text 被编码的文本
+     * @return 编码后的字符
+     */
+    private static String encode(String text)
+    {
+        int len;
+        if ((text == null) || ((len = text.length()) == 0))
+        {
+            return StringUtils.EMPTY;
+        }
+        StringBuilder buffer = new StringBuilder(len + (len >> 2));
+        char c;
+        for (int i = 0; i < len; i++)
+        {
+            c = text.charAt(i);
+            if (c < 64)
+            {
+                buffer.append(TEXT[c]);
+            }
+            else
+            {
+                buffer.append(c);
+            }
+        }
+        return buffer.toString();
+    }
+
+    /**
+     * Escape解码
+     *
+     * @param content 被转义的内容
+     * @return 解码后的字符串
+     */
+    public static String decode(String content)
+    {
+        if (StringUtils.isEmpty(content))
+        {
+            return content;
+        }
+
+        StringBuilder tmp = new StringBuilder(content.length());
+        int lastPos = 0, pos = 0;
+        char ch;
+        while (lastPos < content.length())
+        {
+            pos = content.indexOf("%", lastPos);
+            if (pos == lastPos)
+            {
+                if (content.charAt(pos + 1) == 'u')
+                {
+                    ch = (char) Integer.parseInt(content.substring(pos + 2, pos + 6), 16);
+                    tmp.append(ch);
+                    lastPos = pos + 6;
+                }
+                else
+                {
+                    ch = (char) Integer.parseInt(content.substring(pos + 1, pos + 3), 16);
+                    tmp.append(ch);
+                    lastPos = pos + 3;
+                }
+            }
+            else
+            {
+                if (pos == -1)
+                {
+                    tmp.append(content.substring(lastPos));
+                    lastPos = content.length();
+                }
+                else
+                {
+                    tmp.append(content.substring(lastPos, pos));
+                    lastPos = pos;
+                }
+            }
+        }
+        return tmp.toString();
+    }
+
+    public static void main(String[] args)
+    {
+        String html = "<script>alert(1);</script>";
+        // String html = "<scr<script>ipt>alert(\"XSS\")</scr<script>ipt>";
+        // String html = "<123";
+        // String html = "123>";
+        System.out.println(EscapeUtil.clean(html));
+        System.out.println(EscapeUtil.escape(html));
+        System.out.println(EscapeUtil.unescape(html));
+    }
+}

+ 570 - 0
src/cn/com/usky/filter/HTMLFilter.java

@@ -0,0 +1,570 @@
+package cn.com.usky.filter;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * HTML过滤器,用于去除XSS漏洞隐患。
+ *
+ * @author ruoyi
+ */
+public final class HTMLFilter
+{
+    /**
+     * regex flag union representing /si modifiers in php
+     **/
+    private static final int REGEX_FLAGS_SI = Pattern.CASE_INSENSITIVE | Pattern.DOTALL;
+    private static final Pattern P_COMMENTS = Pattern.compile("<!--(.*?)-->", Pattern.DOTALL);
+    private static final Pattern P_COMMENT = Pattern.compile("^!--(.*)--$", REGEX_FLAGS_SI);
+    private static final Pattern P_TAGS = Pattern.compile("<(.*?)>", Pattern.DOTALL);
+    private static final Pattern P_END_TAG = Pattern.compile("^/([a-z0-9]+)", REGEX_FLAGS_SI);
+    private static final Pattern P_START_TAG = Pattern.compile("^([a-z0-9]+)(.*?)(/?)$", REGEX_FLAGS_SI);
+    private static final Pattern P_QUOTED_ATTRIBUTES = Pattern.compile("([a-z0-9]+)=([\"'])(.*?)\\2", REGEX_FLAGS_SI);
+    private static final Pattern P_UNQUOTED_ATTRIBUTES = Pattern.compile("([a-z0-9]+)(=)([^\"\\s']+)", REGEX_FLAGS_SI);
+    private static final Pattern P_PROTOCOL = Pattern.compile("^([^:]+):", REGEX_FLAGS_SI);
+    private static final Pattern P_ENTITY = Pattern.compile("&#(\\d+);?");
+    private static final Pattern P_ENTITY_UNICODE = Pattern.compile("&#x([0-9a-f]+);?");
+    private static final Pattern P_ENCODE = Pattern.compile("%([0-9a-f]{2});?");
+    private static final Pattern P_VALID_ENTITIES = Pattern.compile("&([^&;]*)(?=(;|&|$))");
+    private static final Pattern P_VALID_QUOTES = Pattern.compile("(>|^)([^<]+?)(<|$)", Pattern.DOTALL);
+    private static final Pattern P_END_ARROW = Pattern.compile("^>");
+    private static final Pattern P_BODY_TO_END = Pattern.compile("<([^>]*?)(?=<|$)");
+    private static final Pattern P_XML_CONTENT = Pattern.compile("(^|>)([^<]*?)(?=>)");
+    private static final Pattern P_STRAY_LEFT_ARROW = Pattern.compile("<([^>]*?)(?=<|$)");
+    private static final Pattern P_STRAY_RIGHT_ARROW = Pattern.compile("(^|>)([^<]*?)(?=>)");
+    private static final Pattern P_AMP = Pattern.compile("&");
+    private static final Pattern P_QUOTE = Pattern.compile("\"");
+    private static final Pattern P_LEFT_ARROW = Pattern.compile("<");
+    private static final Pattern P_RIGHT_ARROW = Pattern.compile(">");
+    private static final Pattern P_BOTH_ARROWS = Pattern.compile("<>");
+
+    // @xxx could grow large... maybe use sesat's ReferenceMap
+    private static final ConcurrentMap<String, Pattern> P_REMOVE_PAIR_BLANKS = new ConcurrentHashMap<>();
+    private static final ConcurrentMap<String, Pattern> P_REMOVE_SELF_BLANKS = new ConcurrentHashMap<>();
+
+    /**
+     * set of allowed html elements, along with allowed attributes for each element
+     **/
+    private final Map<String, List<String>> vAllowed;
+    /**
+     * counts of open tags for each (allowable) html element
+     **/
+    private final Map<String, Integer> vTagCounts = new HashMap<>();
+
+    /**
+     * html elements which must always be self-closing (e.g. "<img />")
+     **/
+    private final String[] vSelfClosingTags;
+    /**
+     * html elements which must always have separate opening and closing tags (e.g. "<b></b>")
+     **/
+    private final String[] vNeedClosingTags;
+    /**
+     * set of disallowed html elements
+     **/
+    private final String[] vDisallowed;
+    /**
+     * attributes which should be checked for valid protocols
+     **/
+    private final String[] vProtocolAtts;
+    /**
+     * allowed protocols
+     **/
+    private final String[] vAllowedProtocols;
+    /**
+     * tags which should be removed if they contain no content (e.g. "<b></b>" or "<b />")
+     **/
+    private final String[] vRemoveBlanks;
+    /**
+     * entities allowed within html markup
+     **/
+    private final String[] vAllowedEntities;
+    /**
+     * flag determining whether comments are allowed in input String.
+     */
+    private final boolean stripComment;
+    private final boolean encodeQuotes;
+    /**
+     * flag determining whether to try to make tags when presented with "unbalanced" angle brackets (e.g. "<b text </b>"
+     * becomes "<b> text </b>"). If set to false, unbalanced angle brackets will be html escaped.
+     */
+    private final boolean alwaysMakeTags;
+
+    /**
+     * Default constructor.
+     */
+    public HTMLFilter()
+    {
+        vAllowed = new HashMap<>();
+
+        final ArrayList<String> a_atts = new ArrayList<>();
+        a_atts.add("href");
+        a_atts.add("target");
+        vAllowed.put("a", a_atts);
+
+        final ArrayList<String> img_atts = new ArrayList<>();
+        img_atts.add("src");
+        img_atts.add("width");
+        img_atts.add("height");
+        img_atts.add("alt");
+        vAllowed.put("img", img_atts);
+
+        final ArrayList<String> no_atts = new ArrayList<>();
+        vAllowed.put("b", no_atts);
+        vAllowed.put("strong", no_atts);
+        vAllowed.put("i", no_atts);
+        vAllowed.put("em", no_atts);
+
+        vSelfClosingTags = new String[] { "img" };
+        vNeedClosingTags = new String[] { "a", "b", "strong", "i", "em" };
+        vDisallowed = new String[] {};
+        vAllowedProtocols = new String[] { "http", "mailto", "https" }; // no ftp.
+        vProtocolAtts = new String[] { "src", "href" };
+        vRemoveBlanks = new String[] { "a", "b", "strong", "i", "em" };
+        vAllowedEntities = new String[] { "amp", "gt", "lt", "quot" };
+        stripComment = true;
+        encodeQuotes = true;
+        alwaysMakeTags = false;
+    }
+
+    /**
+     * Map-parameter configurable constructor.
+     *
+     * @param conf map containing configuration. keys match field names.
+     */
+    @SuppressWarnings("unchecked")
+    public HTMLFilter(final Map<String, Object> conf)
+    {
+
+        assert conf.containsKey("vAllowed") : "configuration requires vAllowed";
+        assert conf.containsKey("vSelfClosingTags") : "configuration requires vSelfClosingTags";
+        assert conf.containsKey("vNeedClosingTags") : "configuration requires vNeedClosingTags";
+        assert conf.containsKey("vDisallowed") : "configuration requires vDisallowed";
+        assert conf.containsKey("vAllowedProtocols") : "configuration requires vAllowedProtocols";
+        assert conf.containsKey("vProtocolAtts") : "configuration requires vProtocolAtts";
+        assert conf.containsKey("vRemoveBlanks") : "configuration requires vRemoveBlanks";
+        assert conf.containsKey("vAllowedEntities") : "configuration requires vAllowedEntities";
+
+        vAllowed = Collections.unmodifiableMap((HashMap<String, List<String>>) conf.get("vAllowed"));
+        vSelfClosingTags = (String[]) conf.get("vSelfClosingTags");
+        vNeedClosingTags = (String[]) conf.get("vNeedClosingTags");
+        vDisallowed = (String[]) conf.get("vDisallowed");
+        vAllowedProtocols = (String[]) conf.get("vAllowedProtocols");
+        vProtocolAtts = (String[]) conf.get("vProtocolAtts");
+        vRemoveBlanks = (String[]) conf.get("vRemoveBlanks");
+        vAllowedEntities = (String[]) conf.get("vAllowedEntities");
+        stripComment = conf.containsKey("stripComment") ? (Boolean) conf.get("stripComment") : true;
+        encodeQuotes = conf.containsKey("encodeQuotes") ? (Boolean) conf.get("encodeQuotes") : true;
+        alwaysMakeTags = conf.containsKey("alwaysMakeTags") ? (Boolean) conf.get("alwaysMakeTags") : true;
+    }
+
+    private void reset()
+    {
+        vTagCounts.clear();
+    }
+
+    // ---------------------------------------------------------------
+    // my versions of some PHP library functions
+    public static String chr(final int decimal)
+    {
+        return String.valueOf((char) decimal);
+    }
+
+    public static String htmlSpecialChars(final String s)
+    {
+        String result = s;
+        result = regexReplace(P_AMP, "&amp;", result);
+        result = regexReplace(P_QUOTE, "&quot;", result);
+        result = regexReplace(P_LEFT_ARROW, "&lt;", result);
+        result = regexReplace(P_RIGHT_ARROW, "&gt;", result);
+        return result;
+    }
+
+    // ---------------------------------------------------------------
+
+    /**
+     * given a user submitted input String, filter out any invalid or restricted html.
+     *
+     * @param input text (i.e. submitted by a user) than may contain html
+     * @return "clean" version of input, with only valid, whitelisted html elements allowed
+     */
+    public String filter(final String input)
+    {
+        reset();
+        String s = input;
+
+        s = escapeComments(s);
+
+        s = balanceHTML(s);
+
+        s = checkTags(s);
+
+        s = processRemoveBlanks(s);
+
+        // s = validateEntities(s);
+
+        return s;
+    }
+
+    public boolean isAlwaysMakeTags()
+    {
+        return alwaysMakeTags;
+    }
+
+    public boolean isStripComments()
+    {
+        return stripComment;
+    }
+
+    private String escapeComments(final String s)
+    {
+        final Matcher m = P_COMMENTS.matcher(s);
+        final StringBuffer buf = new StringBuffer();
+        if (m.find())
+        {
+            final String match = m.group(1); // (.*?)
+            m.appendReplacement(buf, Matcher.quoteReplacement("<!--" + htmlSpecialChars(match) + "-->"));
+        }
+        m.appendTail(buf);
+
+        return buf.toString();
+    }
+
+    private String balanceHTML(String s)
+    {
+        if (alwaysMakeTags)
+        {
+            //
+            // try and form html
+            //
+            s = regexReplace(P_END_ARROW, "", s);
+            // 不追加结束标签
+            s = regexReplace(P_BODY_TO_END, "<$1>", s);
+            s = regexReplace(P_XML_CONTENT, "$1<$2", s);
+
+        }
+        else
+        {
+            //
+            // escape stray brackets
+            //
+            s = regexReplace(P_STRAY_LEFT_ARROW, "&lt;$1", s);
+            s = regexReplace(P_STRAY_RIGHT_ARROW, "$1$2&gt;<", s);
+
+            //
+            // the last regexp causes '<>' entities to appear
+            // (we need to do a lookahead assertion so that the last bracket can
+            // be used in the next pass of the regexp)
+            //
+            s = regexReplace(P_BOTH_ARROWS, "", s);
+        }
+
+        return s;
+    }
+
+    private String checkTags(String s)
+    {
+        Matcher m = P_TAGS.matcher(s);
+
+        final StringBuffer buf = new StringBuffer();
+        while (m.find())
+        {
+            String replaceStr = m.group(1);
+            replaceStr = processTag(replaceStr);
+            m.appendReplacement(buf, Matcher.quoteReplacement(replaceStr));
+        }
+        m.appendTail(buf);
+
+        // these get tallied in processTag
+        // (remember to reset before subsequent calls to filter method)
+        final StringBuilder sBuilder = new StringBuilder(buf.toString());
+        for (String key : vTagCounts.keySet())
+        {
+            for (int ii = 0; ii < vTagCounts.get(key); ii++)
+            {
+                sBuilder.append("</").append(key).append(">");
+            }
+        }
+        s = sBuilder.toString();
+
+        return s;
+    }
+
+    private String processRemoveBlanks(final String s)
+    {
+        String result = s;
+        for (String tag : vRemoveBlanks)
+        {
+            if (!P_REMOVE_PAIR_BLANKS.containsKey(tag))
+            {
+                P_REMOVE_PAIR_BLANKS.putIfAbsent(tag, Pattern.compile("<" + tag + "(\\s[^>]*)?></" + tag + ">"));
+            }
+            result = regexReplace(P_REMOVE_PAIR_BLANKS.get(tag), "", result);
+            if (!P_REMOVE_SELF_BLANKS.containsKey(tag))
+            {
+                P_REMOVE_SELF_BLANKS.putIfAbsent(tag, Pattern.compile("<" + tag + "(\\s[^>]*)?/>"));
+            }
+            result = regexReplace(P_REMOVE_SELF_BLANKS.get(tag), "", result);
+        }
+
+        return result;
+    }
+
+    private static String regexReplace(final Pattern regex_pattern, final String replacement, final String s)
+    {
+        Matcher m = regex_pattern.matcher(s);
+        return m.replaceAll(replacement);
+    }
+
+    private String processTag(final String s)
+    {
+        // ending tags
+        Matcher m = P_END_TAG.matcher(s);
+        if (m.find())
+        {
+            final String name = m.group(1).toLowerCase();
+            if (allowed(name))
+            {
+                if (false == inArray(name, vSelfClosingTags))
+                {
+                    if (vTagCounts.containsKey(name))
+                    {
+                        vTagCounts.put(name, vTagCounts.get(name) - 1);
+                        return "</" + name + ">";
+                    }
+                }
+            }
+        }
+
+        // starting tags
+        m = P_START_TAG.matcher(s);
+        if (m.find())
+        {
+            final String name = m.group(1).toLowerCase();
+            final String body = m.group(2);
+            String ending = m.group(3);
+
+            // debug( "in a starting tag, name='" + name + "'; body='" + body + "'; ending='" + ending + "'" );
+            if (allowed(name))
+            {
+                final StringBuilder params = new StringBuilder();
+
+                final Matcher m2 = P_QUOTED_ATTRIBUTES.matcher(body);
+                final Matcher m3 = P_UNQUOTED_ATTRIBUTES.matcher(body);
+                final List<String> paramNames = new ArrayList<>();
+                final List<String> paramValues = new ArrayList<>();
+                while (m2.find())
+                {
+                    paramNames.add(m2.group(1)); // ([a-z0-9]+)
+                    paramValues.add(m2.group(3)); // (.*?)
+                }
+                while (m3.find())
+                {
+                    paramNames.add(m3.group(1)); // ([a-z0-9]+)
+                    paramValues.add(m3.group(3)); // ([^\"\\s']+)
+                }
+
+                String paramName, paramValue;
+                for (int ii = 0; ii < paramNames.size(); ii++)
+                {
+                    paramName = paramNames.get(ii).toLowerCase();
+                    paramValue = paramValues.get(ii);
+
+                    // debug( "paramName='" + paramName + "'" );
+                    // debug( "paramValue='" + paramValue + "'" );
+                    // debug( "allowed? " + vAllowed.get( name ).contains( paramName ) );
+
+                    if (allowedAttribute(name, paramName))
+                    {
+                        if (inArray(paramName, vProtocolAtts))
+                        {
+                            paramValue = processParamProtocol(paramValue);
+                        }
+                        params.append(' ').append(paramName).append("=\"").append(paramValue).append("\"");
+                    }
+                }
+
+                if (inArray(name, vSelfClosingTags))
+                {
+                    ending = " /";
+                }
+
+                if (inArray(name, vNeedClosingTags))
+                {
+                    ending = "";
+                }
+
+                if (ending == null || ending.length() < 1)
+                {
+                    if (vTagCounts.containsKey(name))
+                    {
+                        vTagCounts.put(name, vTagCounts.get(name) + 1);
+                    }
+                    else
+                    {
+                        vTagCounts.put(name, 1);
+                    }
+                }
+                else
+                {
+                    ending = " /";
+                }
+                return "<" + name + params + ending + ">";
+            }
+            else
+            {
+                return "";
+            }
+        }
+
+        // comments
+        m = P_COMMENT.matcher(s);
+        if (!stripComment && m.find())
+        {
+            return "<" + m.group() + ">";
+        }
+
+        return "";
+    }
+
+    private String processParamProtocol(String s)
+    {
+        s = decodeEntities(s);
+        final Matcher m = P_PROTOCOL.matcher(s);
+        if (m.find())
+        {
+            final String protocol = m.group(1);
+            if (!inArray(protocol, vAllowedProtocols))
+            {
+                // bad protocol, turn into local anchor link instead
+                s = "#" + s.substring(protocol.length() + 1);
+                if (s.startsWith("#//"))
+                {
+                    s = "#" + s.substring(3);
+                }
+            }
+        }
+
+        return s;
+    }
+
+    private String decodeEntities(String s)
+    {
+        StringBuffer buf = new StringBuffer();
+
+        Matcher m = P_ENTITY.matcher(s);
+        while (m.find())
+        {
+            final String match = m.group(1);
+            final int decimal = Integer.decode(match).intValue();
+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal)));
+        }
+        m.appendTail(buf);
+        s = buf.toString();
+
+        buf = new StringBuffer();
+        m = P_ENTITY_UNICODE.matcher(s);
+        while (m.find())
+        {
+            final String match = m.group(1);
+            final int decimal = Integer.valueOf(match, 16).intValue();
+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal)));
+        }
+        m.appendTail(buf);
+        s = buf.toString();
+
+        buf = new StringBuffer();
+        m = P_ENCODE.matcher(s);
+        while (m.find())
+        {
+            final String match = m.group(1);
+            final int decimal = Integer.valueOf(match, 16).intValue();
+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal)));
+        }
+        m.appendTail(buf);
+        s = buf.toString();
+
+        s = validateEntities(s);
+        return s;
+    }
+
+    private String validateEntities(final String s)
+    {
+        StringBuffer buf = new StringBuffer();
+
+        // validate entities throughout the string
+        Matcher m = P_VALID_ENTITIES.matcher(s);
+        while (m.find())
+        {
+            final String one = m.group(1); // ([^&;]*)
+            final String two = m.group(2); // (?=(;|&|$))
+            m.appendReplacement(buf, Matcher.quoteReplacement(checkEntity(one, two)));
+        }
+        m.appendTail(buf);
+
+        return encodeQuotes(buf.toString());
+    }
+
+    private String encodeQuotes(final String s)
+    {
+        if (encodeQuotes)
+        {
+            StringBuffer buf = new StringBuffer();
+            Matcher m = P_VALID_QUOTES.matcher(s);
+            while (m.find())
+            {
+                final String one = m.group(1); // (>|^)
+                final String two = m.group(2); // ([^<]+?)
+                final String three = m.group(3); // (<|$)
+                // 不替换双引号为&quot;,防止json格式无效 regexReplace(P_QUOTE, "&quot;", two)
+                m.appendReplacement(buf, Matcher.quoteReplacement(one + two + three));
+            }
+            m.appendTail(buf);
+            return buf.toString();
+        }
+        else
+        {
+            return s;
+        }
+    }
+
+    private String checkEntity(final String preamble, final String term)
+    {
+
+        return ";".equals(term) && isValidEntity(preamble) ? '&' + preamble : "&amp;" + preamble;
+    }
+
+    private boolean isValidEntity(final String entity)
+    {
+        return inArray(entity, vAllowedEntities);
+    }
+
+    private static boolean inArray(final String s, final String[] array)
+    {
+        for (String item : array)
+        {
+            if (item != null && item.equals(s))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean allowed(final String name)
+    {
+        return (vAllowed.isEmpty() || vAllowed.containsKey(name)) && !inArray(name, vDisallowed);
+    }
+
+    private boolean allowedAttribute(final String name, final String paramName)
+    {
+        return allowed(name) && (vAllowed.isEmpty() || vAllowed.get(name).contains(paramName));
+    }
+}

+ 91 - 0
src/cn/com/usky/filter/StrFormatter.java

@@ -0,0 +1,91 @@
+package cn.com.usky.filter;
+
+
+/**
+ * 字符串格式化
+ *
+ * @author ruoyi
+ */
+public class StrFormatter
+{
+    public static final String EMPTY_JSON = "{}";
+    public static final char C_BACKSLASH = '\\';
+    public static final char C_DELIM_START = '{';
+    public static final char C_DELIM_END = '}';
+
+    /**
+     * 格式化字符串<br>
+     * 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
+     * 如果想输出 {} 使用 \\转义 { 即可,如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
+     * 例:<br>
+     * 通常使用:format("this is {} for {}", "a", "b") -> this is a for b<br>
+     * 转义{}: format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
+     * 转义\: format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
+     *
+     * @param strPattern 字符串模板
+     * @param argArray 参数列表
+     * @return 结果
+     */
+    public static String format(final String strPattern, final Object... argArray)
+    {
+        if (StringUtils.isEmpty(strPattern) || StringUtils.isEmpty(argArray))
+        {
+            return strPattern;
+        }
+        final int strPatternLength = strPattern.length();
+
+        // 初始化定义好的长度以获得更好的性能
+        StringBuilder sbuf = new StringBuilder(strPatternLength + 50);
+
+        int handledPosition = 0;
+        int delimIndex;// 占位符所在位置
+        for (int argIndex = 0; argIndex < argArray.length; argIndex++)
+        {
+            delimIndex = strPattern.indexOf(EMPTY_JSON, handledPosition);
+            if (delimIndex == -1)
+            {
+                if (handledPosition == 0)
+                {
+                    return strPattern;
+                }
+                else
+                { // 字符串模板剩余部分不再包含占位符,加入剩余部分后返回结果
+                    sbuf.append(strPattern, handledPosition, strPatternLength);
+                    return sbuf.toString();
+                }
+            }
+            else
+            {
+                if (delimIndex > 0 && strPattern.charAt(delimIndex - 1) == C_BACKSLASH)
+                {
+                    if (delimIndex > 1 && strPattern.charAt(delimIndex - 2) == C_BACKSLASH)
+                    {
+                        // 转义符之前还有一个转义符,占位符依旧有效
+                        sbuf.append(strPattern, handledPosition, delimIndex - 1);
+                        sbuf.append(Convert.utf8Str(argArray[argIndex]));
+                        handledPosition = delimIndex + 2;
+                    }
+                    else
+                    {
+                        // 占位符被转义
+                        argIndex--;
+                        sbuf.append(strPattern, handledPosition, delimIndex - 1);
+                        sbuf.append(C_DELIM_START);
+                        handledPosition = delimIndex + 1;
+                    }
+                }
+                else
+                {
+                    // 正常占位符
+                    sbuf.append(strPattern, handledPosition, delimIndex);
+                    sbuf.append(Convert.utf8Str(argArray[argIndex]));
+                    handledPosition = delimIndex + 2;
+                }
+            }
+        }
+        // 加入最后一个占位符后所有的字符
+        sbuf.append(strPattern, handledPosition, strPattern.length());
+
+        return sbuf.toString();
+    }
+}

+ 539 - 0
src/cn/com/usky/filter/StringUtils.java

@@ -0,0 +1,539 @@
+package cn.com.usky.filter;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.springframework.util.AntPathMatcher;
+import com.ruoyi.common.constant.Constants;
+
+
+/**
+ * 字符串工具类
+ *
+ * @author ruoyi
+ */
+public class StringUtils extends org.apache.commons.lang3.StringUtils
+{
+    /** 空字符串 */
+    private static final String NULLSTR = "";
+
+    /** 下划线 */
+    private static final char SEPARATOR = '_';
+
+    /**
+     * 获取参数不为空值
+     *
+     * @param value defaultValue 要判断的value
+     * @return value 返回值
+     */
+    public static <T> T nvl(T value, T defaultValue)
+    {
+        return value != null ? value : defaultValue;
+    }
+
+    /**
+     * * 判断一个Collection是否为空, 包含List,Set,Queue
+     *
+     * @param coll 要判断的Collection
+     * @return true:为空 false:非空
+     */
+    public static boolean isEmpty(Collection<?> coll)
+    {
+        return isNull(coll) || coll.isEmpty();
+    }
+
+    /**
+     * * 判断一个Collection是否非空,包含List,Set,Queue
+     *
+     * @param coll 要判断的Collection
+     * @return true:非空 false:空
+     */
+    public static boolean isNotEmpty(Collection<?> coll)
+    {
+        return !isEmpty(coll);
+    }
+
+    /**
+     * * 判断一个对象数组是否为空
+     *
+     * @param objects 要判断的对象数组
+     ** @return true:为空 false:非空
+     */
+    public static boolean isEmpty(Object[] objects)
+    {
+        return isNull(objects) || (objects.length == 0);
+    }
+
+    /**
+     * * 判断一个对象数组是否非空
+     *
+     * @param objects 要判断的对象数组
+     * @return true:非空 false:空
+     */
+    public static boolean isNotEmpty(Object[] objects)
+    {
+        return !isEmpty(objects);
+    }
+
+    /**
+     * * 判断一个Map是否为空
+     *
+     * @param map 要判断的Map
+     * @return true:为空 false:非空
+     */
+    public static boolean isEmpty(Map<?, ?> map)
+    {
+        return isNull(map) || map.isEmpty();
+    }
+
+    /**
+     * * 判断一个Map是否为空
+     *
+     * @param map 要判断的Map
+     * @return true:非空 false:空
+     */
+    public static boolean isNotEmpty(Map<?, ?> map)
+    {
+        return !isEmpty(map);
+    }
+
+    /**
+     * * 判断一个字符串是否为空串
+     *
+     * @param str String
+     * @return true:为空 false:非空
+     */
+    public static boolean isEmpty(String str)
+    {
+        return isNull(str) || NULLSTR.equals(str.trim());
+    }
+
+    /**
+     * * 判断一个字符串是否为非空串
+     *
+     * @param str String
+     * @return true:非空串 false:空串
+     */
+    public static boolean isNotEmpty(String str)
+    {
+        return !isEmpty(str);
+    }
+
+    /**
+     * * 判断一个对象是否为空
+     *
+     * @param object Object
+     * @return true:为空 false:非空
+     */
+    public static boolean isNull(Object object)
+    {
+        return object == null;
+    }
+
+    /**
+     * * 判断一个对象是否非空
+     *
+     * @param object Object
+     * @return true:非空 false:空
+     */
+    public static boolean isNotNull(Object object)
+    {
+        return !isNull(object);
+    }
+
+    /**
+     * * 判断一个对象是否是数组类型(Java基本型别的数组)
+     *
+     * @param object 对象
+     * @return true:是数组 false:不是数组
+     */
+    public static boolean isArray(Object object)
+    {
+        return isNotNull(object) && object.getClass().isArray();
+    }
+
+    /**
+     * 去空格
+     */
+    public static String trim(String str)
+    {
+        return (str == null ? "" : str.trim());
+    }
+
+    /**
+     * 截取字符串
+     *
+     * @param str 字符串
+     * @param start 开始
+     * @return 结果
+     */
+    public static String substring(final String str, int start)
+    {
+        if (str == null)
+        {
+            return NULLSTR;
+        }
+
+        if (start < 0)
+        {
+            start = str.length() + start;
+        }
+
+        if (start < 0)
+        {
+            start = 0;
+        }
+        if (start > str.length())
+        {
+            return NULLSTR;
+        }
+
+        return str.substring(start);
+    }
+
+    /**
+     * 截取字符串
+     *
+     * @param str 字符串
+     * @param start 开始
+     * @param end 结束
+     * @return 结果
+     */
+    public static String substring(final String str, int start, int end)
+    {
+        if (str == null)
+        {
+            return NULLSTR;
+        }
+
+        if (end < 0)
+        {
+            end = str.length() + end;
+        }
+        if (start < 0)
+        {
+            start = str.length() + start;
+        }
+
+        if (end > str.length())
+        {
+            end = str.length();
+        }
+
+        if (start > end)
+        {
+            return NULLSTR;
+        }
+
+        if (start < 0)
+        {
+            start = 0;
+        }
+        if (end < 0)
+        {
+            end = 0;
+        }
+
+        return str.substring(start, end);
+    }
+
+    /**
+     * 格式化文本, {} 表示占位符<br>
+     * 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
+     * 如果想输出 {} 使用 \\转义 { 即可,如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
+     * 例:<br>
+     * 通常使用:format("this is {} for {}", "a", "b") -> this is a for b<br>
+     * 转义{}: format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
+     * 转义\: format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
+     *
+     * @param template 文本模板,被替换的部分用 {} 表示
+     * @param params 参数值
+     * @return 格式化后的文本
+     */
+    public static String format(String template, Object... params)
+    {
+        if (isEmpty(params) || isEmpty(template))
+        {
+            return template;
+        }
+        return StrFormatter.format(template, params);
+    }
+
+    /**
+     * 是否为http(s)://开头
+     *
+     * @param link 链接
+     * @return 结果
+     */
+    public static boolean ishttp(String link)
+    {
+        return StringUtils.startsWithAny(link, Constants.HTTP, Constants.HTTPS);
+    }
+
+    /**
+     * 字符串转set
+     *
+     * @param str 字符串
+     * @param sep 分隔符
+     * @return set集合
+     */
+    public static final Set<String> str2Set(String str, String sep)
+    {
+        return new HashSet<String>(str2List(str, sep, true, false));
+    }
+
+    /**
+     * 字符串转list
+     *
+     * @param str 字符串
+     * @param sep 分隔符
+     * @param filterBlank 过滤纯空白
+     * @param trim 去掉首尾空白
+     * @return list集合
+     */
+    public static final List<String> str2List(String str, String sep, boolean filterBlank, boolean trim)
+    {
+        List<String> list = new ArrayList<String>();
+        if (StringUtils.isEmpty(str))
+        {
+            return list;
+        }
+
+        // 过滤空白字符串
+        if (filterBlank && StringUtils.isBlank(str))
+        {
+            return list;
+        }
+        String[] split = str.split(sep);
+        for (String string : split)
+        {
+            if (filterBlank && StringUtils.isBlank(string))
+            {
+                continue;
+            }
+            if (trim)
+            {
+                string = string.trim();
+            }
+            list.add(string);
+        }
+
+        return list;
+    }
+
+    /**
+     * 查找指定字符串是否包含指定字符串列表中的任意一个字符串同时串忽略大小写
+     *
+     * @param cs 指定字符串
+     * @param searchCharSequences 需要检查的字符串数组
+     * @return 是否包含任意一个字符串
+     */
+    public static boolean containsAnyIgnoreCase(CharSequence cs, CharSequence... searchCharSequences)
+    {
+        if (isEmpty(cs) || isEmpty(searchCharSequences))
+        {
+            return false;
+        }
+        for (CharSequence testStr : searchCharSequences)
+        {
+            if (containsIgnoreCase(cs, testStr))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 驼峰转下划线命名
+     */
+    public static String toUnderScoreCase(String str)
+    {
+        if (str == null)
+        {
+            return null;
+        }
+        StringBuilder sb = new StringBuilder();
+        // 前置字符是否大写
+        boolean preCharIsUpperCase = true;
+        // 当前字符是否大写
+        boolean curreCharIsUpperCase = true;
+        // 下一字符是否大写
+        boolean nexteCharIsUpperCase = true;
+        for (int i = 0; i < str.length(); i++)
+        {
+            char c = str.charAt(i);
+            if (i > 0)
+            {
+                preCharIsUpperCase = Character.isUpperCase(str.charAt(i - 1));
+            }
+            else
+            {
+                preCharIsUpperCase = false;
+            }
+
+            curreCharIsUpperCase = Character.isUpperCase(c);
+
+            if (i < (str.length() - 1))
+            {
+                nexteCharIsUpperCase = Character.isUpperCase(str.charAt(i + 1));
+            }
+
+            if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase)
+            {
+                sb.append(SEPARATOR);
+            }
+            else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase)
+            {
+                sb.append(SEPARATOR);
+            }
+            sb.append(Character.toLowerCase(c));
+        }
+
+        return sb.toString();
+    }
+
+    /**
+     * 是否包含字符串
+     *
+     * @param str 验证字符串
+     * @param strs 字符串组
+     * @return 包含返回true
+     */
+    public static boolean inStringIgnoreCase(String str, String... strs)
+    {
+        if (str != null && strs != null)
+        {
+            for (String s : strs)
+            {
+                if (str.equalsIgnoreCase(trim(s)))
+                {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 将下划线大写方式命名的字符串转换为驼峰式。如果转换前的下划线大写方式命名的字符串为空,则返回空字符串。 例如:HELLO_WORLD->HelloWorld
+     *
+     * @param name 转换前的下划线大写方式命名的字符串
+     * @return 转换后的驼峰式命名的字符串
+     */
+    public static String convertToCamelCase(String name)
+    {
+        StringBuilder result = new StringBuilder();
+        // 快速检查
+        if (name == null || name.isEmpty())
+        {
+            // 没必要转换
+            return "";
+        }
+        else if (!name.contains("_"))
+        {
+            // 不含下划线,仅将首字母大写
+            return name.substring(0, 1).toUpperCase() + name.substring(1);
+        }
+        // 用下划线将原始字符串分割
+        String[] camels = name.split("_");
+        for (String camel : camels)
+        {
+            // 跳过原始字符串中开头、结尾的下换线或双重下划线
+            if (camel.isEmpty())
+            {
+                continue;
+            }
+            // 首字母大写
+            result.append(camel.substring(0, 1).toUpperCase());
+            result.append(camel.substring(1).toLowerCase());
+        }
+        return result.toString();
+    }
+
+    /**
+     * 驼峰式命名法
+     * 例如:user_name->userName
+     */
+    public static String toCamelCase(String s)
+    {
+        if (s == null)
+        {
+            return null;
+        }
+        if (s.indexOf(SEPARATOR) == -1)
+        {
+            return s;
+        }
+        s = s.toLowerCase();
+        StringBuilder sb = new StringBuilder(s.length());
+        boolean upperCase = false;
+        for (int i = 0; i < s.length(); i++)
+        {
+            char c = s.charAt(i);
+
+            if (c == SEPARATOR)
+            {
+                upperCase = true;
+            }
+            else if (upperCase)
+            {
+                sb.append(Character.toUpperCase(c));
+                upperCase = false;
+            }
+            else
+            {
+                sb.append(c);
+            }
+        }
+        return sb.toString();
+    }
+
+    /**
+     * 查找指定字符串是否匹配指定字符串列表中的任意一个字符串
+     *
+     * @param str 指定字符串
+     * @param strs 需要检查的字符串数组
+     * @return 是否匹配
+     */
+    public static boolean matches(String str, List<String> strs)
+    {
+        if (isEmpty(str) || isEmpty(strs))
+        {
+            return false;
+        }
+        for (String pattern : strs)
+        {
+            if (isMatch(pattern, str))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 判断url是否与规则配置:
+     * ? 表示单个字符;
+     * * 表示一层路径内的任意字符串,不可跨层级;
+     * ** 表示任意层路径;
+     *
+     * @param pattern 匹配规则
+     * @param url 需要匹配的url
+     * @return
+     */
+    public static boolean isMatch(String pattern, String url)
+    {
+        AntPathMatcher matcher = new AntPathMatcher();
+        return matcher.match(pattern, url);
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T> T cast(Object obj)
+    {
+        return (T) obj;
+    }
+}

+ 75 - 0
src/cn/com/usky/filter/XssFilter.java

@@ -0,0 +1,75 @@
+package cn.com.usky.filter;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+
+
+/**
+ * 防止XSS攻击的过滤器
+ *
+ * @author ruoyi
+ */
+public class XssFilter implements Filter
+{
+    /**
+     * 排除链接
+     */
+    public List<String> excludes = new ArrayList<>();
+
+    @Override
+    public void init(FilterConfig filterConfig) throws ServletException
+    {
+        String tempExcludes = filterConfig.getInitParameter("excludes");
+        if (StringUtils.isNotEmpty(tempExcludes))
+        {
+            String[] url = tempExcludes.split(",");
+            for (int i = 0; url != null && i < url.length; i++)
+            {
+                excludes.add(url[i]);
+            }
+        }
+    }
+
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+            throws IOException, ServletException
+    {
+        HttpServletRequest req = (HttpServletRequest) request;
+        HttpServletResponse resp = (HttpServletResponse) response;
+        if (handleExcludeURL(req, resp))
+        {
+            chain.doFilter(request, response);
+            return;
+        }
+        XssHttpServletRequestWrapper xssRequest = new XssHttpServletRequestWrapper((HttpServletRequest) request);
+        chain.doFilter(xssRequest, response);
+    }
+
+    private boolean handleExcludeURL(HttpServletRequest request, HttpServletResponse response)
+    {
+        String url = request.getServletPath();
+        String method = request.getMethod();
+        // GET DELETE 不过滤
+        if (method == null || method.matches("GET") || method.matches("DELETE"))
+        {
+            return true;
+        }
+        return StringUtils.matches(url, excludes);
+    }
+
+    @Override
+    public void destroy()
+    {
+
+    }
+}

+ 50 - 0
src/cn/com/usky/filter/XssHttpServletRequestWrapper.java

@@ -0,0 +1,50 @@
+/**
+ * Copyright (c) 2016-2019 人人开源 All rights reserved.
+ * <p>
+ * https://www.renren.io
+ * <p>
+ * 版权所有,侵权必究!
+ */
+
+package cn.com.usky.filter;
+
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+
+
+/**
+ * XSS过滤处理
+ *
+ * @author lirui
+ */
+public class XssHttpServletRequestWrapper extends HttpServletRequestWrapper {
+    /**
+     * @param request
+     */
+    public XssHttpServletRequestWrapper(HttpServletRequest request)
+    {
+        super(request);
+    }
+
+    @Override
+    public String[] getParameterValues(String name)
+    {
+        String[] values = super.getParameterValues(name);
+        if (values != null)
+        {
+            int length = values.length;
+            String[] escapseValues = new String[length];
+            for (int i = 0; i < length; i++)
+            {
+                // 防xss攻击和过滤前后空格
+                System.out.println("转义之前" + values[i]);
+                escapseValues[i] = EscapeUtil.clean(values[i]).trim();
+                System.out.println("转义之后" + escapseValues[i]);
+            }
+            return escapseValues;
+        }
+        return super.getParameterValues(name);
+    }
+
+}