/* 个位补零*/ function Appendzero(obj) { if (obj < 10) return "0" + obj; else return obj; } function add0(m) { return m < 10 ? '0' + m : m } //时间戳转化成时间格式 function getFormatDate(timestamp) { //timestamp是整数，否则要parseInt转换,不会出现少个0的情况 var time = new Date(timestamp); var year = time.getFullYear(); var month = time.getMonth() + 1; var date = time.getDate(); var hours = time.getHours(); var minutes = time.getMinutes(); var seconds = time.getSeconds(); return year + '-' + add0(month) + '-' + add0(date) + ' ' + add0(hours) + ':' + add0(minutes) + ':' + add0(seconds); } /* 毫秒转化*/ function test(time_distance) { // 天时分秒换算 var int_day = Math.floor(time_distance / 86400) time_distance = time_distance - int_day * 86400; var int_hour = Math.floor(time_distance / 3600) time_distance = time_distance - int_hour * 3600; var int_minute = Math.floor(time_distance / 60) time_distance = time_distance - int_minute * 60; var int_second = Math.floor(time_distance) // 时分秒为单数时、前面加零 if (int_day < 10) { int_day = "0" + int_day; } if (int_hour < 10) { int_hour = "0" + int_hour; } if (int_minute < 10) { int_minute = "0" + int_minute; } if (int_second < 10) { int_second = "0" + int_second; } return int_day + '天' + int_hour + '小时' + int_minute + '分钟' + int_second + '秒'; } var test = test(3000000); //限制input输入框字符长度 $("input").attr("maxLength", 20); //限制textarea输入框字符长度 $("textarea").attr("maxLength", 100); // 导出封装 function downExcel(str, titleName) { // 输出base64编码 const base64 = s => window.btoa(unescape(encodeURIComponent(s))); // Worksheet名 const worksheet = 'Sheet1' const uri = 'data:application/vnd.ms-excel;base64,'; // 下载的表格模板数据 const template = ` ${str}

`; // 通过创建a标签实现 const link = document.createElement("a"); link.href = uri + base64(template); // 对下载的文件命名 link.download = titleName + ".xls"; link.click(); } //删除数组中的某一个元素 function removeByValue(arr, val) { for (var i = 0; i < arr.length; i++) { if (arr[i] == val) { arr.splice(i, 1); break; } } } // 数组去重 function unique(arr) { for (var i = 0; i < arr.length; i++) { for (var j = i + 1; j < arr.length; j++) { if (arr[i] == arr[j]) { //第一个等同于第二个，splice方法删除第二个 arr.splice(j, 1); j--; } } } return arr; }