usky-power/fiveep-controller/src/main/java/com/bizmatics/controller/web/system/BaseController.java

package com.bizmatics.controller.web.system;

import com.bizmatics.common.core.bean.ApiResult;
import com.bizmatics.common.core.exception.BusinessErrorCode;
import com.bizmatics.common.core.util.DateUtils;
import com.bizmatics.model.page.PageDomain;
import com.bizmatics.model.page.TableDataInfo;
import com.bizmatics.model.page.TableSupport;
import com.bizmatics.service.util.SqlUtil;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

import java.beans.PropertyEditorSupport;
import java.util.Date;
import java.util.List;
import java.util.Objects;

/**
 * web层通用数据处理
 */
public class BaseController {
    protected final Logger logger = LoggerFactory.getLogger(BaseController.class);

    /**
     * 将前台传递过来的日期格式的字符串，自动转化为Date类型
     */
    @InitBinder
    public void initBinder(WebDataBinder binder) {
        // Date 类型转换
        binder.registerCustomEditor(Date.class, new PropertyEditorSupport() {
            @Override
            public void setAsText(String text) {
                setValue(DateUtils.parseDate(text));
            }
        });
    }

    /**
     * 设置请求分页数据
     */
    protected void startPage() {
        PageDomain pageDomain = TableSupport.buildPageRequest();
        Integer pageNum = pageDomain.getPageNum();
        Integer pageSize = pageDomain.getPageSize();
        if (Objects.nonNull(pageNum) && Objects.nonNull(pageSize)) {
            String orderBy = SqlUtil.escapeOrderBySql(pageDomain.getOrderBy());
            PageHelper.startPage(pageNum, pageSize, orderBy);
        }
    }

    /**
     * 响应请求分页数据
     */
    @SuppressWarnings({"rawtypes", "unchecked"})
    protected TableDataInfo getDataTable(List<?> list) {
        TableDataInfo rspData = new TableDataInfo();
        rspData.setCode(HttpStatus.OK.value());
        rspData.setRows(list);
        rspData.setMsg("查询成功");
        rspData.setTotal(new PageInfo(list).getTotal());
        return rspData;
    }

    /**
     * 响应返回结果
     *
     * @param rows 影响行数
     * @return 操作结果
     */
    protected ApiResult<Void> toAjax(int rows) {
        return rows > 0 ? ApiResult.success() : ApiResult.error(BusinessErrorCode.BIZ_MODIFY_FAIL.getCode(), BusinessErrorCode.BIZ_MODIFY_FAIL.getDefaultMessage());
    }
}