打造自己的Javascript工具类库

时间:2021-12-26 06:22:10

基本扩展、工具包

// ------------------------ 基本扩展, 字符串,数组等---------------------------------//
function extend_base (){

if(!String.prototype.format ){
String.prototype.format = function() {
var e = arguments;
return this.replace(/{(\d+)}/g,function(t, n) {
return typeof e[n] != "undefined" ? e[n] : t
})
};
}

if (!Array.prototype.forEach && typeof Array.prototype.forEach !== "function") {
Array.prototype.forEach = function(callback, context) {
// 遍历数组,在每一项上调用回调函数,这里使用原生方法验证数组。
if (Object.prototype.toString.call(this) === "[object Array]") {
var i,len;
//遍历该数组所有的元素
for (i = 0, len = this.length; i < len; i++) {
if (typeof callback === "function" && Object.prototype.hasOwnProperty.call(this, i)) {
if (callback.call(context, this[i], i, this) === false) {
break; // or return;
}
}
}
}
};
}

if(!String.prototype.format ){
Array.isArray = function(obj){
return obj.constructor.toString().indexOf('Array') != -1;
}
}

}
extend_base();

//------------------------------------------------------工具包---------------------------------------------//

/*1.1.4*/
var utils = {
//****************************字符串****************************/
//去除空格 type 1-所有空格 2-前后空格 3-前空格 4-后空格
//trim(' 1235asd',1)
//result:1235asd
trim: function (str, type) {
switch (type) {
case 1:
return str.replace(/\s+/g, "");
case 2:
return str.replace(/(^\s*)|(\s*$)/g, "");
case 3:
return str.replace(/(^\s*)/g, "");
case 4:
return str.replace(/(\s*$)/g, "");
default:
return str;
}
},
/*type
1: 首字母大写
2:首字母小写
3:大小写转换
4:全部大写
5:全部小写
* */
//changeCase('asdasd',1)
//result:Asdasd
changeCase: function (str, type) {
function ToggleCase(str) {
var itemText = ""
str.split("").forEach(
function (item) {
if (/^([a-z]+)/.test(item)) {
itemText += item.toUpperCase();
} else if (/^([A-Z]+)/.test(item)) {
itemText += item.toLowerCase();
} else {
itemText += item;
}
});
return itemText;
}
switch (type) {
case 1:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();

});
case 2:
return str.replace(/\b\w+\b/g, function (word) {
return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
});
case 3:
return ToggleCase(str);
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}
},
//字符串循环复制
//repeatStr(str->字符串, count->次数)
//repeatStr('123',3)
//"result:123123123"
repeatStr: function (str, count) {
var text = '';
for (var i = 0; i < count; i++) {
text += str;
}
return text;
},
//字符串替换(字符串,要替换的字符或者正则表达式(不要写g),替换成什么)
//ecDo.replaceAll('这里是上海,中国第三大城市,广东省省会,简称穗,','上海','广州')
//result:"这里是广州,中国第三大城市,广东省省会,简称穗,"
replaceAll: function (str, AFindText, ARepText) {
raRegExp = new RegExp(AFindText, "g");
return str.replace(raRegExp, ARepText);
},
//字符替换*
//replaceStr(字符串,字符格式, 替换方式,替换的字符(默认*))
replaceStr: function (str, regArr, type, ARepText) {
var regtext = '',
Reg = null,
replaceText = ARepText || '*';
//replaceStr('18819322663',[3,5,3],0)
//result:188*****663
//repeatStr是在上面定义过的(字符串循环复制),大家注意哦
if (regArr.length === 3 && type === 0) {
regtext = '(\\w{' + regArr[0] + '})\\w{' + regArr[1] + '}(\\w{' + regArr[2] + '})'
Reg = new RegExp(regtext);
var replaceCount = this.repeatStr(replaceText, regArr[1]);
return str.replace(Reg, '$1' + replaceCount + '$2')
}
//replaceStr('asdasdasdaa',[3,5,3],1)
//result:***asdas***
else if (regArr.length === 3 && type === 1) {
regtext = '\\w{' + regArr[0] + '}(\\w{' + regArr[1] + '})\\w{' + regArr[2] + '}'
Reg = new RegExp(regtext);
var replaceCount1 = this.repeatStr(replaceText, regArr[0]);
var replaceCount2 = this.repeatStr(replaceText, regArr[2]);
return str.replace(Reg, replaceCount1 + '$1' + replaceCount2)
}
//replaceStr('1asd88465asdwqe3',[5],0)
//result:*****8465asdwqe3
else if (regArr.length === 1 && type === 0) {
regtext = '(^\\w{' + regArr[0] + '})'
Reg = new RegExp(regtext);
var replaceCount = this.repeatStr(replaceText, regArr[0]);
return str.replace(Reg, replaceCount)
}
//replaceStr('1asd88465asdwqe3',[5],1,'+')
//result:"1asd88465as+++++"
else if (regArr.length === 1 && type === 1) {
regtext = '(\\w{' + regArr[0] + '}$)'
Reg = new RegExp(regtext);
var replaceCount = this.repeatStr(replaceText, regArr[0]);
return str.replace(Reg, replaceCount)
}
},
//检测字符串
//checkType('165226226326','phone')
//result:false
//大家可以根据需要扩展
checkType: function (str, type) {
switch (type) {
case 'email':
return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
case 'phone':
return /^1[3|4|5|7|8][0-9]{9}$/.test(str);
case 'tel':
return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
case 'number':
return /^[0-9]$/.test(str);
case 'english':
return /^[a-zA-Z]+$/.test(str);
case 'text':
return /^\w+$/.test(str);
case 'chinese':
return /^[\u4E00-\u9FA5]+$/.test(str);
case 'lower':
return /^[a-z]+$/.test(str);
case 'upper':
return /^[A-Z]+$/.test(str);
default:
return true;
}
},
//检测密码强度
//checkPwd('12asdASAD')
//result:3(强度等级为3)
checkPwd: function (str) {
var nowLv = 0;
if (str.length < 6) {
return nowLv
}
if (/[0-9]/.test(str)) {
nowLv++
}
if (/[a-z]/.test(str)) {
nowLv++
}
if (/[A-Z]/.test(str)) {
nowLv++
}
if (/[\.|-|_]/.test(str)) {
nowLv++
}
return nowLv;
},
//随机码
//count取值范围2-36

//randomWord(10)
//result:"2584316588472575"

//randomWord(14)
//result:"9b405070dd00122640c192caab84537"

//randomWord(36)
//result:"83vhdx10rmjkyb9"

randomWord: function (count) {
return Math.random().toString(count).substring(2);
},

//查找字符串
//var strTest='sad44654blog5a1sd67as9dablog4s5d16zxc4sdweasjkblogwqepaskdkblogahseiuadbhjcibloguyeajzxkcabloguyiwezxc967'
//countStr(strTest,'blog')
//result:6
countStr: function (str, strSplit) {
return str.split(strSplit).length - 1
},
//过滤字符串(html标签,表情,特殊字符)
//字符串,替换内容(special-特殊字符,html-html标签,emjoy-emjoy表情,word-小写字母,WORD-大写字母,number-数字,chinese-中文),要替换成什么,默认'',保留哪些特殊字符
//如果需要过滤多种字符,type参数使用,分割,如下栗子
//过滤字符串的html标签,大写字母,中文,特殊字符,全部替换成*,但是特殊字符'%','?',除了这两个,其他特殊字符全部清除
//var str='asd 654a大蠢sasdasdASDQWEXZC6d5#%^*^&*^%^&*$\\"\'#@!()*/-())_\'":"{}?<div></div><img src=""/>啊实打实大蠢猪自行车这些课程';
// ecDo.filterStr(str,'html,WORD,chinese,special','*','%?')
//result:"asd 654a**sasdasd*********6d5#%^*^&*^%^&*$\"'#@!()*/-())_'":"{}?*****************"
filterStr: function (str, type, restr, spstr) {
var typeArr = type.split(','), _str = str;
for (var i = 0, len = typeArr.length; i < len; i++) {
//是否是过滤特殊符号
if (typeArr[i] === 'special') {
var pattern, regText = '$()[]{}?\|^*+./\"\'+';
//是否有哪些特殊符号需要保留
if (spstr) {
var _spstr = spstr.split(""), _regText = "[^0-9A-Za-z\\s";
for (var j = 0, len1 = _spstr.length; j < len1; j++) {
if (regText.indexOf(_spstr[j]) === -1) {
_regText += _spstr[j];
}
else {
_regText += '\\' + _spstr[j];
}
}
_regText += ']'
pattern = new RegExp(_regText, 'g');
}
else {
pattern = new RegExp("[^0-9A-Za-z\\s]", 'g')
}

}
var _restr = restr || '';
switch (typeArr[i]) {
case 'special':
_str = _str.replace(pattern, _restr);
break;
case 'html':
_str = _str.replace(/<\/?[^>]*>/g, _restr);
break;
case 'emjoy':
_str = _str.replace(/[^\u4e00-\u9fa5|\u0000-\u00ff|\u3002|\uFF1F|\uFF01|\uff0c|\u3001|\uff1b|\uff1a|\u3008-\u300f|\u2018|\u2019|\u201c|\u201d|\uff08|\uff09|\u2014|\u2026|\u2013|\uff0e]/g, _restr);
break;
case 'word':
_str = _str.replace(/[a-z]/g, _restr);
break;
case 'WORD':
_str = _str.replace(/[A-Z]/g, _restr);
break;
case 'number':
_str = _str.replace(/[0-9]/g, _restr);
break;
case 'chinese':
_str = _str.replace(/[\u4E00-\u9FA5]/g, _restr);
break;
}
}
return _str;
},
//格式化处理字符串
//ecDo.formatText('1234asda567asd890')
//result:"12,34a,sda,567,asd,890"
//ecDo.formatText('1234asda567asd890',4,' ')
//result:"1 234a sda5 67as d890"
//ecDo.formatText('1234asda567asd890',4,'-')
//result:"1-234a-sda5-67as-d890"
formatText: function (str, size, delimiter) {
var _size = size || 3, _delimiter = delimiter || ',';
var regText = '\\B(?=(\\w{' + _size + '})+(?!\\w))';
var reg = new RegExp(regText, 'g');
return str.replace(reg, _delimiter);
},
//找出最长单词 (Find the Longest word in a String)
//longestWord('Find the Longest word in a String')
//result:7
//longestWord('Find|the|Longest|word|in|a|String','|')
//result:7
longestWord: function (str, splitType) {
var _splitType = splitType || /\s+/g,
_max = 0,_item='';
var strArr = str.split(_splitType);
strArr.forEach(function (item) {
if (_max < item.length) {
_max = item.length
_item=item;
}
})
return {el:_item,max:_max};
},
//句中单词首字母大写 (Title Case a Sentence)
//这个我也一直在纠结,英文标题,即使是首字母大写,也未必每一个单词的首字母都是大写的,但是又不知道哪些应该大写,哪些不应该大写
//ecDo.titleCaseUp('this is a title')
//"This Is A Title"
titleCaseUp: function (str, splitType) {
var _splitType = splitType || /\s+/g;
var strArr = str.split(_splitType),
result = "", _this = this
strArr.forEach(function (item) {
result += _this.changeCase(item, 1) + ' ';
})
return this.trim(result, 4)
},

//****************************数组*****************************/

//数组去重
removeRepeatArray: function (arr) {
return arr.filter(function (item, index, self) {
return self.indexOf(item) === index;
});
//es6
//return Array.from(new Set(arr))
},
//数组顺序打乱
upsetArr: function (arr) {
return arr.sort(function () {
return Math.random() - 0.5
});
},

//数组最大值
//这一块的封装,主要是针对数字类型的数组
maxArr: function (arr) {
return Math.max.apply(null, arr);
},
//数组最小值
minArr: function (arr) {
return Math.min.apply(null, arr);
},

//这一块的封装,主要是针对数字类型的数组
//数组求和
sumArr: function (arr) {
return arr.reduce(function (pre, cur) {
return pre + cur
})
},

//数组平均值,小数点可能会有很多位,这里不做处理,处理了使用就不灵活了!
covArr: function (arr) {
return this.sumArr(arr) / arr.length;
},
//从数组中随机获取元素
randomOne: function (arr) {
return arr[Math.floor(Math.random() * arr.length)];
},

//回数组(字符串)一个元素出现的次数
//getEleCount('asd56+asdasdwqe','a')
//result:3
//getEleCount([1,2,3,4,5,66,77,22,55,22],22)
//result:2
getEleCount: function (obj, ele) {
var num = 0;
for (var i = 0, len = obj.length; i < len; i++) {
if (ele === obj[i]) {
num++;
}
}
return num;
},

//返回数组(字符串)出现最多的几次元素和出现次数
//arr, rank->长度,默认为数组长度,ranktype,排序方式,默认降序
//返回值:el->元素,count->次数
//getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2])
//result:[{"el":"2","count":6},{"el":"1","count":4},{"el":"3","count":2},{"el":"4","count":1},{"el":"5","count":1},{"el":"6","count":1}]
//默认情况,返回所有元素出现的次数
//getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2],3)
//传参(rank=3),只返回出现次数排序前三的
//result:[{"el":"2","count":6},{"el":"1","count":4},{"el":"3","count":2}]
//getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2],null,1)
//传参(ranktype=1,rank=null),升序返回所有元素出现次数
//result:[{"el":"6","count":1},{"el":"5","count":1},{"el":"4","count":1},{"el":"3","count":2},{"el":"1","count":4},{"el":"2","count":6}]
//getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2],3,1)
//传参(rank=3,ranktype=1),只返回出现次数排序(升序)前三的
//result:[{"el":"6","count":1},{"el":"5","count":1},{"el":"4","count":1}]
getCount: function (arr, rank, ranktype) {
var obj = {},
k, arr1 = []
//记录每一元素出现的次数
for (var i = 0, len = arr.length; i < len; i++) {
k = arr[i];
if (obj[k]) {
obj[k]++;
} else {
obj[k] = 1;
}
}
//保存结果{el-'元素',count-出现次数}
for (var o in obj) {
arr1.push({el: o, count: obj[o]});
}
//排序(降序)
arr1.sort(function (n1, n2) {
return n2.count - n1.count
});
//如果ranktype为1,则为升序,反转数组
if (ranktype === 1) {
arr1 = arr1.reverse();
}
var rank1 = rank || arr1.length;
return arr1.slice(0, rank1);
},

//得到n1-n2下标的数组
//getArrayNum([0,1,2,3,4,5,6,7,8,9],5,9)
//result:[5, 6, 7, 8, 9]
//getArrayNum([0,1,2,3,4,5,6,7,8,9],2) 不传第二个参数,默认返回从n1到数组结束的元素
//result:[2, 3, 4, 5, 6, 7, 8, 9]
getArrayNum: function (arr, n1, n2) {
return arr.slice(n1, n2);
},

//筛选数组
//删除值为'val'的数组元素
//removeArrayForValue(['test','test1','test2','test','aaa'],'test','%')
//result:["aaa"] 带有'test'的都删除
//removeArrayForValue(['test','test1','test2','test','aaa'],'test')
//result:["test1", "test2", "aaa"] //数组元素的值全等于'test'才被删除
removeArrayForValue: function (arr, val, type) {
return arr.filter(function (item) {
return type ? item.indexOf(val) === -1 : item !== val
})
},
//获取对象数组某些项
//var arr=[{a:1,b:2,c:9},{a:2,b:3,c:5},{a:5,b:9},{a:4,b:2,c:5},{a:4,b:5,c:7}]
//getOptionArray(arr,'a,c')
//result:[{a:1,c:9},{a:2,c:5},{a:5,c:underfind},{a:4,c:5},{a:4,c:7}]
//getOptionArray(arr,'b',1)
//result:[2, 3, 9, 2, 5]
getOptionArray: function (arr, keys) {
var newArr = []
if (!keys) {
return arr
}
var _keys = keys.split(','), newArrOne = {};
//是否只是需要获取某一项的值
if (_keys.length === 1) {
for (var i = 0, len = arr.length; i < len; i++) {
newArr.push(arr[i][keys])
}
return newArr;
}
for (var i = 0, len = arr.length; i < len; i++) {
newArrOne = {};
for (var j = 0, len1 = _keys.length; j < len1; j++) {
newArrOne[_keys[j]] = arr[i][_keys[j]]
}
newArr.push(newArrOne);
}
return newArr
},
//排除数组某些项
//var arr=[{a:1,b:2,c:9},{a:2,b:3,c:5},{a:5,b:9},{a:4,b:2,c:5},{a:4,b:5,c:7}]
//filterOptionArray(arr,'a')
//result:[{b:2,c:9},{b:3,c:5},{b:9},{b:2,c:5},{b:5,c:7}]
//filterOptionArray(arr,'a,c')
//result:[{b:2},{b:3},{b:9},{b:2},{b:5}]
filterOptionArray: function (arr, keys) {
var newArr = []
var _keys = keys.split(','), newArrOne = {};
for (var i = 0, len = arr.length; i < len; i++) {
newArrOne = {};
for (var key in arr[i]) {
//如果key不存在排除keys里面,添加数据
if (_keys.indexOf(key) === -1) {
newArrOne[key] = arr[i][key];
}
}
newArr.push(newArrOne);
}
return newArr
},
//对象数组的排序
//var arr=[{a:1,b:2,c:9},{a:2,b:3,c:5},{a:5,b:9},{a:4,b:2,c:5},{a:4,b:5,c:7}]
//ecDo.arraySort(arr,'a,b')a是第一排序条件,b是第二排序条件
//result:[{"a":1,"b":2,"c":9},{"a":2,"b":3,"c":5},{"a":4,"b":2,"c":5},{"a":4,"b":5,"c":7},{"a":5,"b":9}]
arraySort: function (arr, sortText) {
if (!sortText) {
return arr
}
var _sortText = sortText.split(',').reverse(), _arr = arr.slice(0);
for (var i = 0, len = _sortText.length; i < len; i++) {
_arr.sort(function (n1, n2) {
return n1[_sortText[i]] - n2[_sortText[i]]
})
}
return _arr;
},
//数组扁平化
steamroller: function (arr) {
var newArr = [],_this=this;
for (var i = 0; i < arr.length; i++) {
if (Array.isArray(arr[i])) {
// 如果是数组,调用(递归)steamroller 将其扁平化
// 然后再 push 到 newArr 中
newArr.push.apply(newArr, _this.steamroller(arr[i]));
} else {
// 不是数组直接 push 到 newArr 中
newArr.push(arr[i]);
}
}
return newArr;
},
//另一种写法
//steamroller([1,2,[4,5,[1,23]]])
//[1, 2, 4, 5, 1, 23]
/*
* i=0 newArr.push(arr[i]) [1]
* i=1 newArr.push(arr[i]) [1,2]
* i=2 newArr = newArr.concat(steamroller(arr[i])); 执行到下面
* 第一次i=2进入后 i=0, newArr.push(arr[i]); [4]
* 第一次i=2进入后 i=1, newArr.push(arr[i]); [4,5]
* * i=2 newArr = newArr.concat(steamroller(arr[i])); 执行到下面
* 第二次i=2进入后 i=0, newArr.push(arr[i]); [1]
* 第二次i=2进入后 i=1, newArr.push(arr[i]); [1,23] 执行到下面
* 第二次循环完,回到第一次进入后 newArr = newArr.concat(steamroller(arr[i])); [4,5].concat([1,23]) [4,5,1,23]
* 然后回到第一次 [1,2].concat([4,5,1,23])
*/
// steamroller: function (arr) {
// var newArr = [];
// for (var i = 0; i < arr.length; i++) {
// if (Array.isArray(arr[i])) {
// // 如果是数组,调用(递归)steamroller 将其扁平化
// // 然后再 push 到 newArr 中
// newArr = newArr.concat(steamroller(arr[i]));
// } else {
// // 不是数组直接 push 到 newArr 中
// newArr.push(arr[i]);
// }
// }
// return newArr;
// },

//****************************对象及其他*****************************/

//适配rem
getFontSize: function (_client) {
var doc = document,
win = window;
var docEl = doc.documentElement,
resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
recalc = function () {
var clientWidth = docEl.clientWidth;
if (!clientWidth) return;
//如果屏幕大于750(750是根据我效果图设置的,具体数值参考效果图),就设置clientWidth=750,防止font-size会超过100px
if (clientWidth > _client) {
clientWidth = _client
}
//设置根元素font-size大小
docEl.style.fontSize = 100 * (clientWidth / _client) + 'px';
};
//屏幕大小改变,或者横竖屏切换时,触发函数
win.addEventListener(resizeEvt, recalc, false);
//文档加载完成时,触发函数
doc.addEventListener('DOMContentLoaded', recalc, false);
},
//到某一个时间的倒计时
//getEndTime('2017/7/22 16:0:0')
//result:"剩余时间6天 2小时 28 分钟20 秒"
getEndTime: function (endTime) {
var startDate = new Date(); //开始时间,当前时间
var endDate = new Date(endTime); //结束时间,需传入时间参数
var t = endDate.getTime() - startDate.getTime(); //时间差的毫秒数
var d = 0,
h = 0,
m = 0,
s = 0;
if (t >= 0) {
d = Math.floor(t / 1000 / 3600 / 24);
h = Math.floor(t / 1000 / 60 / 60 % 24);
m = Math.floor(t / 1000 / 60 % 60);
s = Math.floor(t / 1000 % 60);
}
return "剩余时间" + d + "天 " + h + "小时 " + m + " 分钟" + s + " 秒";
},
//随进产生颜色
randomColor: function () {
//randomNumber是下面定义的函数
//写法1
//return 'rgb(' + this.randomNumber(255) + ',' + this.randomNumber(255) + ',' + this.randomNumber(255) + ')';

//写法2
return '#' + Math.random().toString(16).substring(2).substr(0, 6);

//写法3
//var color='#',_index=this.randomNumber(15);
//for(var i=0;i<6;i++){
//color+='0123456789abcdef'[_index];
//}
//return color;
},
//随机返回一个范围的数字
randomNumber: function (n1, n2) {
//randomNumber(5,10)
//返回5-10的随机整数,包括5,10
if (arguments.length === 2) {
return Math.round(n1 + Math.random() * (n2 - n1));
}
//randomNumber(10)
//返回0-10的随机整数,包括0,10
else if (arguments.length === 1) {
return Math.round(Math.random() * n1)
}
//randomNumber()
//返回0-255的随机整数,包括0,255
else {
return Math.round(Math.random() * 255)
}
},
//设置url参数
//setUrlPrmt({'a':1,'b':2})
//result:a=1&b=2
setUrlPrmt: function (obj) {
var _rs = [];
for (var p in obj) {
if (obj[p] != null && obj[p] != '') {
_rs.push(p + '=' + obj[p])
}
}
return _rs.join('&');
},
//获取url参数
//getUrlPrmt('segmentfault.com/write?draftId=122000011938')
//result:Object{draftId: "122000011938"}
getUrlPrmt: function (url) {
url = url ? url : window.location.href;
var _pa = url.substring(url.indexOf('?') + 1),
_arrS = _pa.split('&'),
_rs = {};
for (var i = 0, _len = _arrS.length; i < _len; i++) {
var pos = _arrS[i].indexOf('=');
if (pos == -1) {
continue;
}
var name = _arrS[i].substring(0, pos),
value = window.decodeURIComponent(_arrS[i].substring(pos + 1));
_rs[name] = value;
}
return _rs;
},

//现金额大写转换函数
//upDigit(168752632)
//result:"人民币壹亿陆仟捌佰柒拾伍万贰仟陆佰叁拾贰元整"
//upDigit(1682)
//result:"人民币壹仟陆佰捌拾贰元整"
//upDigit(-1693)
//result:"欠人民币壹仟陆佰玖拾叁元整"
upDigit: function (n) {
var fraction = ['角', '分', '厘'];
var digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
var unit = [
['元', '万', '亿'],
['', '拾', '佰', '仟']
];
var head = n < 0 ? '欠人民币' : '人民币';
n = Math.abs(n);
var s = '';
for (var i = 0; i < fraction.length; i++) {
s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');
}
s = s || '整';
n = Math.floor(n);
for (var i = 0; i < unit[0].length && n > 0; i++) {
var p = '';
for (var j = 0; j < unit[1].length && n > 0; j++) {
p = digit[n % 10] + unit[1][j] + p;
n = Math.floor(n / 10);
}
s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s;
//s = p + unit[0][i] + s;
}
return head + s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整');
},
//清除对象中值为空的属性
//filterParams({a:"",b:null,c:"010",d:123})
//Object {c: "010", d: 123}
filterParams: function (obj) {
var _newPar = {};
for (var key in obj) {
if ((obj[key] === 0 ||obj[key] === false|| obj[key]) && obj[key].toString().replace(/(^\s*)|(\s*$)/g, '') !== '') {
_newPar[key] = obj[key];
}
}
return _newPar;
},
//****************************cookie****************************/
//设置cookie
setCookie: function (name, value, iDay) {
var oDate = new Date();
oDate.setDate(oDate.getDate() + iDay);
document.cookie = name + '=' + value + ';expires=' + oDate;
},
//获取cookie
getCookie: function (name) {
var arr = document.cookie.split('; ');
for (var i = 0; i < arr.length; i++) {
var arr2 = arr[i].split('=');
if (arr2[0] == name) {
return arr2[1];
}
}
return '';
},
//删除cookie
removeCookie: function (name) {
this.setCookie(name, 1, -1);
},

/*DOM*/

//检测对象是否有哪个类名
hasClass: function (obj, classStr) {
if (obj.className && this.trim(obj.className, 1) !== "") {
var arr = obj.className.split(/\s+/); //这个正则表达式是因为class可以有多个,判断是否包含
return (arr.indexOf(classStr) == -1) ? false : true;
}
else {
return false;
}

},
//添加类名
addClass: function (obj, classStr) {
if ((this.istype(obj, 'array') || this.istype(obj, 'elements')) && obj.length >= 1) {
for (var i = 0, len = obj.length; i < len; i++) {
if (!this.hasClass(obj[i], classStr)) {
obj[i].className += " " + classStr;
}
}
}
else {
if (!this.hasClass(obj, classStr)) {
obj.className += " " + classStr;
}
}
},
//删除类名
removeClass: function (obj, classStr) {
if ((this.istype(obj, 'array') || this.istype(obj, 'elements')) && obj.length > 1) {
for (var i = 0, len = obj.length; i < len; i++) {
if (this.hasClass(obj[i], classStr)) {
var reg = new RegExp('(\\s|^)' + classStr + '(\\s|$)');
obj[i].className = obj[i].className.replace(reg, '');
}
}
}
else {
if (this.hasClass(obj, classStr)) {
var reg = new RegExp('(\\s|^)' + classStr + '(\\s|$)');
obj.className = obj.className.replace(reg, '');
}
}
},
//替换类名("被替换的类名","替换的类名")
replaceClass: function (obj, newName, oldName) {
this.removeClass(obj, oldName);
this.addClass(obj, newName);
},
//获取兄弟节点
//ecDo.siblings(obj,'#id')
siblings: function (obj, opt) {
var a = []; //定义一个数组,用来存o的兄弟元素
var p = obj.previousSibling;
while (p) { //先取o的哥哥们 判断有没有上一个哥哥元素,如果有则往下执行 p表示previousSibling
if (p.nodeType === 1) {
a.push(p);
}
p = p.previousSibling //最后把上一个节点赋给p
}
a.reverse() //把顺序反转一下 这样元素的顺序就是按先后的了
var n = obj.nextSibling; //再取o的弟弟
while (n) { //判断有没有下一个弟弟结点 n是nextSibling的意思
if (n.nodeType === 1) {
a.push(n);
}
n = n.nextSibling;
}
if (opt) {
var _opt = opt.substr(1);
var b = [];//定义一个数组,用于储存过滤a的数组
if (opt[0] === '.') {
b = a.filter(function (item) {
return item.className === _opt
});
}
else if (opt[0] === '#') {
b = a.filter(function (item) {
return item.id === _opt
});
}
else {
b = a.filter(function (item) {
return item.tagName.toLowerCase() === opt
});
}
return b;
}
return a;
},
//设置样式
css: function (obj, json) {
for (var attr in json) {
obj.style[attr] = json[attr];
}
},
//设置HTML内容
html: function (obj) {
if (arguments.length === 1) {
return obj.innerHTML;
} else if (arguments.length === 2) {
obj.innerHTML = arguments[1];
}
},
//设置HTML内容
text: function (obj) {
if (arguments.length === 1) {
return obj.innerHTML;
} else if (arguments.length === 2) {
obj.innerHTML = this.filterStr(arguments[1],'html');
}
},
//显示隐藏
show: function (obj) {
var blockArr=['div','li','ul','ol','dl','table','article','h1','h2','h3','h4','h5','h6','p','hr','header','footer','details','summary','section','aside','']
if(blockArr.indexOf(obj.tagName.toLocaleLowerCase())===-1){
obj.style.display ='inline';
}
else{
obj.style.display ='block';
}
},
hide: function (obj) {
obj.style.display = "none";
},
/* 封装ajax函数
* @param {string}obj.type http连接的方式,包括POST和GET两种方式
* @param {string}obj.url 发送请求的url
* @param {boolean}obj.async 是否为异步请求,true为异步的,false为同步的
* @param {object}obj.data 发送的参数,格式为对象类型
* @param {function}obj.success ajax发送并接收成功调用的回调函数
* @param {function}obj.error ajax发送失败或者接收失败调用的回调函数
*/
// ajax({
// type:'get',
// url:'xxx',
// data:{
// id:'111'
// },
// success:function(res){
// console.log(res)
// }
// })
ajax: function (obj) {
obj = obj || {};
obj.type = obj.type.toUpperCase() || 'POST';
obj.url = obj.url || '';
obj.async = obj.async || true;
obj.data = obj.data || null;
obj.success = obj.success || function () {
};
obj.error = obj.error || function () {
};
var xmlHttp = null;
if (XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
} else {
xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
}
var params = [];
for (var key in obj.data) {
params.push(key + '=' + obj.data[key]);
}
var postData = params.join('&');
if (obj.type.toUpperCase() === 'POST') {
xmlHttp.open(obj.type, obj.url, obj.async);
xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
xmlHttp.send(postData);
} else if (obj.type.toUpperCase() === 'GET') {
xmlHttp.open(obj.type, obj.url + '?' + postData, obj.async);
xmlHttp.send(null);
}
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
obj.success(xmlHttp.responseText);
} else {
obj.error(xmlHttp.responseText);
}
};
},
//图片没加载出来时用一张图片代替
aftLoadImg: function (obj, url, errorUrl,cb) {
var oImg = new Image(), _this = this;
oImg.src = url;
oImg.onload = function () {
obj.src = oImg.src;
if (cb && _this.istype(cb, 'function')) {
cb(obj);
}
}
oImg.onerror=function () {
obj.src=errorUrl;
if (cb && _this.istype(cb, 'function')) {
cb(obj);
}
}
},
//图片滚动懒加载
//@className {string} 要遍历图片的类名
//@num {number} 距离多少的时候开始加载 默认 0
//比如,一张图片距离文档顶部3000,num参数设置200,那么在页面滚动到2800的时候,图片加载。不传num参数就滚动,num默认是0,页面滚动到3000就加载
//html代码
//<p><img data-src="lawyerOtherImg.jpg" class="load-img" width='528' height='304' /></p>
//<p><img data-src="lawyerOtherImg.jpg" class="load-img" width='528' height='304' /></p>
//<p><img data-src="lawyerOtherImg.jpg" class="load-img" width='528' height='304' /></p>....
//data-src储存src的数据,到需要加载的时候把data-src的值赋值给src属性,图片就会加载。
//详细可以查看testLoadImg.html

//window.onload = function() {
// loadImg('load-img',100);
// window.onscroll = function() {
// loadImg('load-img',100);
// }
//}
loadImg: function (className, num, errorUrl) {
var _className = className || 'ec-load-img', _num = num || 0, _this = this,_errorUrl=errorUrl||null;
var oImgLoad = document.getElementsByClassName(_className);
for (var i = 0, len = oImgLoad.length; i < len; i++) {
//如果图片已经滚动到指定的高度
if (document.documentElement.clientHeight + document.documentElement.scrollTop > oImgLoad[i].offsetTop - _num && !oImgLoad[i].isLoad) {
//记录图片是否已经加载
oImgLoad[i].isLoad = true;
//设置过渡,当图片下来的时候有一个图片透明度变化
oImgLoad[i].style.cssText = "transition: ''; opacity: 0;"
if (oImgLoad[i].dataset) {
this.aftLoadImg(oImgLoad[i], oImgLoad[i].dataset.src, _errorUrl, function (o) {
//添加定时器,确保图片已经加载完了,再把图片指定的的class,清掉,避免重复编辑
setTimeout(function () {
if (o.isLoad) {
_this.removeClass(o, _className);
o.style.cssText = "";
}
}, 1000)
});
} else {
this.aftLoadImg(oImgLoad[i], oImgLoad[i].getAttribute("data-src"), _errorUrl, function (o) {
//添加定时器,确保图片已经加载完了,再把图片指定的的class,清掉,避免重复编辑
setTimeout(function () {
if (o.isLoad) {
_this.removeClass(o, _className);
o.style.cssText = "";
}
}, 1000)
});
}
(function (i) {
setTimeout(function () {
oImgLoad[i].style.cssText = "transition:all 1s; opacity: 1;";
}, 16)
})(i);
}
}
},
//创建正则字符
createKeyExp: function (strArr) {
var str = "";
for (var i = 0; i < strArr.length; i++) {
if (i != strArr.length - 1) {
str = str + strArr[i] + "|";
} else {
str = str + strArr[i];
}
}
return "(" + str + ")";
},
//关键字加标签(多个关键词用空格隔开)
//ecDo.findKey('守侯我oaks接到了来自下次你离开快乐吉祥留在开城侯','守侯 开','i')
//"<i>守侯</i>我oaks接到了来自下次你离<i>开</i>快乐吉祥留在<i>开</i>城侯"
findKey: function (str, key, el) {
var arr = null,
regStr = null,
content = null,
Reg = null,
_el = el || 'span';
arr = key.split(/\s+/);
//alert(regStr); // 如:(前端|过来)
regStr = this.createKeyExp(arr);
content = str;
//alert(Reg);// /如:(前端|过来)/g
Reg = new RegExp(regStr, "g");
//过滤html标签 替换标签,往关键字前后加上标签
content = content.replace(/<\/?[^>]*>/g, '')
return content.replace(Reg, "<" + _el + ">$1</" + _el + ">");
},
//数据类型判断
//ecDo.istype([],'array')
//true
//ecDo.istype([])
//'[object Array]'
istype: function (o, type) {
if (type) {
var _type = type.toLowerCase();
}
switch (_type) {
case 'string':
return Object.prototype.toString.call(o) === '[object String]';
case 'number':
return Object.prototype.toString.call(o) === '[object Number]';
case 'boolean':
return Object.prototype.toString.call(o) === '[object Boolean]';
case 'undefined':
return Object.prototype.toString.call(o) === '[object Undefined]';
case 'null':
return Object.prototype.toString.call(o) === '[object Null]';
case 'function':
return Object.prototype.toString.call(o) === '[object Function]';
case 'array':
return Object.prototype.toString.call(o) === '[object Array]';
case 'object':
return Object.prototype.toString.call(o) === '[object Object]';
case 'nan':
return isNaN(o);
case 'elements':
return Object.prototype.toString.call(o).indexOf('HTML') !== -1
default:
return Object.prototype.toString.call(o)
}
},

//手机类型判断
browserInfo: function (type) {
switch (type) {
case 'android':
return navigator.userAgent.toLowerCase().indexOf('android') !== -1
case 'iphone':
return navigator.userAgent.toLowerCase().indexOf('iphone') !== -1
case 'ipad':
return navigator.userAgent.toLowerCase().indexOf('ipad') !== -1
case 'weixin':
return navigator.userAgent.toLowerCase().indexOf('micromessenger') !== -1
default:
return navigator.userAgent.toLowerCase()
}
},
//函数节流
// var count=0;
// function fn1(){
// count++;
// console.log(count)
// }
// //100ms内连续触发的调用,后一个调用会把前一个调用的等待处理掉,但每隔200ms至少执行一次
// document.onmousemove=delayFn(fn1,100,200)
delayFn: function (fn, delay, mustDelay) {
var timer = null;
var t_start;
return function () {
var context = this, args = arguments, t_cur = +new Date();
//先清理上一次的调用触发(上一次调用触发事件不执行)
clearTimeout(timer);
//如果不存触发时间,那么当前的时间就是触发时间
if (!t_start) {
t_start = t_cur;
}
//如果当前时间-触发时间大于最大的间隔时间(mustDelay),触发一次函数运行函数
if (t_cur - t_start >= mustDelay) {
fn.apply(context, args);
t_start = t_cur;
}
//否则延迟执行
else {
timer = setTimeout(function () {
fn.apply(context, args);
}, delay);
}
};
}
}
/*2.0.0*/var utils = {//***************字符串模块**************************/    //去除空格  type 1-所有空格  2-前后空格  3-前空格 4-后空格    //trim('  1235asd',1)    //result:1235asd    trim(str, type) {        switch (type) {            case 1:                return str.replace(/\s+/g, "");            case 2:                return str.replace(/(^\s*)|(\s*$)/g, "");            case 3:                return str.replace(/(^\s*)/g, "");            case 4:                return str.replace(/(\s*$)/g, "");            default:                return str;        }    },    /*type     1:首字母大写     2:首字母小写     3:大小写转换     4:全部大写     5:全部小写     * */    //changeCase('asdasd',1)    //result:Asdasd    changeCase(str, type) {        function ToggleCase(str) {            let itemText = ""            str.split("").forEach(item => {                if (/^([a-z]+)/.test(item)) {                    itemText += item.toUpperCase();                } else if (/^([A-Z]+)/.test(item)) {                    itemText += item.toLowerCase();                } else {                    itemText += item;                }            });            return itemText;        }        switch (type) {            case 1:                return str.replace(/\b\w+\b/g, function (word) {                    return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();                });            case 2:                return str.replace(/\b\w+\b/g, function (word) {                    return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();                });            case 3:                return ToggleCase(str);            case 4:                return str.toUpperCase();            case 5:                return str.toLowerCase();            default:                return str;        }    },    //字符串循环复制    //repeatStr(str->字符串, count->次数)    //repeatStr('123',3)    //"result:123123123"    repeatStr(str, count) {        return str.repeat(count);    },    //字符串替换(字符串,要替换的字符或者正则表达式(不要写g),替换成什么)    //ecDo.replaceAll('这里是上海,中国第三大城市,广东省省会,简称穗,','上海','广州')    //result:"这里是广州,中国第三大城市,广东省省会,简称穗,"    replaceAll(str, AFindText, ARepText) {        let raRegExp = new RegExp(AFindText, "g");        return str.replace(raRegExp, ARepText);    },    //字符替换*    //replaceStr(字符串,字符格式, 替换方式,替换的字符(默认*))    replaceStr(str, regArr, type = 0, ARepText = '*') {        let regtext = '',            Reg = null,            replaceText = ARepText;        //replaceStr('18819322663',[3,5,3],0)        //result:188*****663        //repeatStr是在上面定义过的(字符串循环复制),大家注意哦        if (regArr.length === 3 && type === 0) {            regtext = '(\\w{' + regArr[0] + '})\\w{' + regArr[1] + '}(\\w{' + regArr[2] + '})'            Reg = new RegExp(regtext);            let replaceCount = this.repeatStr(replaceText, regArr[1]);            return str.replace(Reg, '$1' + replaceCount + '$2')        }        //replaceStr('asdasdasdaa',[3,5,3],1)        //result:***asdas***        else if (regArr.length === 3 && type === 1) {            regtext = '\\w{' + regArr[0] + '}(\\w{' + regArr[1] + '})\\w{' + regArr[2] + '}'            Reg = new RegExp(regtext);            let replaceCount1 = this.repeatStr(replaceText, regArr[0]);            let replaceCount2 = this.repeatStr(replaceText, regArr[2]);            return str.replace(Reg, replaceCount1 + '$1' + replaceCount2)        }        //replaceStr('1asd88465asdwqe3',[5],0)        //result:*****8465asdwqe3        else if (regArr.length === 1 && type === 0) {            regtext = '(^\\w{' + regArr[0] + '})'            Reg = new RegExp(regtext);            let replaceCount = this.repeatStr(replaceText, regArr[0]);            return str.replace(Reg, replaceCount)        }        //replaceStr('1asd88465asdwqe3',[5],1,'+')        //result:"1asd88465as+++++"        else if (regArr.length === 1 && type === 1) {            regtext = '(\\w{' + regArr[0] + '}$)'            Reg = new RegExp(regtext);            let replaceCount = this.repeatStr(replaceText, regArr[0]);            return str.replace(Reg, replaceCount)        }    },    //检测字符串    //checkType('165226226326','phone')    //result:false    //大家可以根据需要扩展    checkType(str, type) {        switch (type) {            case 'email':                return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);            case 'phone':                return /^1[3|4|5|7|8][0-9]{9}$/.test(str);            case 'tel':                return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);            case 'number':                return /^[0-9]$/.test(str);            case 'english':                return /^[a-zA-Z]+$/.test(str);            case 'text':                return /^\w+$/.test(str);            case 'chinese':                return /^[\u4E00-\u9FA5]+$/.test(str);            case 'lower':                return /^[a-z]+$/.test(str);            case 'upper':                return /^[A-Z]+$/.test(str);            default:                return true;        }    },    //检测密码强度    //checkPwd('12asdASAD')    //result:3(强度等级为3)    checkPwd(str) {        let nowLv = 0;        if (str.length < 6) {            return nowLv        }        if (/[0-9]/.test(str)) {            nowLv++        }        if (/[a-z]/.test(str)) {            nowLv++        }        if (/[A-Z]/.test(str)) {            nowLv++        }        if (/[\.|-|_]/.test(str)) {            nowLv++        }        return nowLv;    },    //随机码    //count取值范围2-36    //randomWord(10)    //result:"2584316588472575"    //randomWord(14)    //result:"9b405070dd00122640c192caab84537"    //randomWord(36)    //result:"83vhdx10rmjkyb9"    randomWord(count) {        return Math.random().toString(count).substring(2);    },    //查找字符串    //let strTest='sad44654blog5a1sd67as9dablog4s5d16zxc4sdweasjkblogwqepaskdkblogahseiuadbhjcibloguyeajzxkcabloguyiwezxc967'    //countStr(strTest,'blog')    //result:6    countStr(str, strSplit) {        return str.split(strSplit).length - 1    },    //过滤字符串(html标签,表情,特殊字符)    //字符串,替换内容(special-特殊字符,html-html标签,emjoy-emjoy表情,word-小写字母,WORD-大写字母,number-数字,chinese-中文),要替换成什么,默认'',保留哪些特殊字符    //如果需要过滤多种字符,type参数使用,分割,如下栗子    //过滤字符串的html标签,大写字母,中文,特殊字符,全部替换成*,但是特殊字符'%','?',除了这两个,其他特殊字符全部清除    //let str='asd    654a大蠢sasdasdASDQWEXZC6d5#%^*^&*^%^&*$\\"\'#@!()*/-())_\'":"{}?<div></div><img src=""/>啊实打实大蠢猪自行车这些课程';    // ecDo.filterStr(str,'html,WORD,chinese,special','*','%?')    //result:"asd    654a**sasdasd*********6d5#%^*^&*^%^&*$\"'#@!()*/-())_'":"{}?*****************"    filterStr(str, type, restr = '', spstr) {        let typeArr = type.split(','), _str = str;        for (let i = 0, len = typeArr.length; i < len; i++) {            //是否是过滤特殊符号            let pattern;            if (typeArr[i] === 'special') {                let regText = '$()[]{}?\|^*+./\"\'+';                //是否有哪些特殊符号需要保留                if (spstr) {                    let _spstr = spstr.split(""), _regText = "[^0-9A-Za-z\\s";                    for (let j = 0, len1 = _spstr.length; j < len1; j++) {                        if (regText.indexOf(_spstr[j]) === -1) {                            _regText += _spstr[j];                        }                        else {                            _regText += '\\' + _spstr[j];                        }                    }                    _regText += ']'                    pattern = new RegExp(_regText, 'g');                }                else {                    pattern = new RegExp("[^0-9A-Za-z\\s]", 'g')                }            }            switch (typeArr[i]) {                case 'special':                    _str = _str.replace(pattern, restr);                    break;                case 'html':                    _str = _str.replace(/<\/?[^>]*>/g, restr);                    break;                case 'emjoy':                    _str = _str.replace(/[^\u4e00-\u9fa5|\u0000-\u00ff|\u3002|\uFF1F|\uFF01|\uff0c|\u3001|\uff1b|\uff1a|\u3008-\u300f|\u2018|\u2019|\u201c|\u201d|\uff08|\uff09|\u2014|\u2026|\u2013|\uff0e]/g, restr);                    break;                case 'word':                    _str = _str.replace(/[a-z]/g, restr);                    break;                case 'WORD':                    _str = _str.replace(/[A-Z]/g, restr);                    break;                case 'number':                    _str = _str.replace(/[0-9]/g, restr);                    break;                case 'chinese':                    _str = _str.replace(/[\u4E00-\u9FA5]/g, restr);                    break;            }        }        return _str;    },    //格式化处理字符串    //ecDo.formatText('1234asda567asd890')    //result:"12,34a,sda,567,asd,890"    //ecDo.formatText('1234asda567asd890',4,' ')    //result:"1 234a sda5 67as d890"    //ecDo.formatText('1234asda567asd890',4,'-')    //result:"1-234a-sda5-67as-d890"    formatText(str, size = 3, delimiter = ',') {        let regText = '\\B(?=(\\w{' + size + '})+(?!\\w))';        let reg = new RegExp(regText, 'g');        return str.replace(reg, delimiter);    },    //找出最长单词 (Find the Longest word in a String)    //longestWord('Find the Longest word in a String')    //result:7    //longestWord('Find|the|Longest|word|in|a|String','|')    //result:7    longestWord(str, splitType = /\s+/g) {        let _max = 0, _item = '';        let strArr = str.split(splitType);        strArr.forEach(item => {            if (_max < item.length) {                _max = item.length;                _item = item;            }        });        return {el: _item, max: _max};    },    //句中单词首字母大写 (Title Case a Sentence)    //这个我也一直在纠结,英文标题,即使是首字母大写,也未必每一个单词的首字母都是大写的,但是又不知道哪些应该大写,哪些不应该大写    //ecDo.titleCaseUp('this is a title')    //"This Is A Title"    titleCaseUp(str, splitType = /\s+/g) {        let strArr = str.split(splitType),            result = "";        strArr.forEach(item => {            result += this.changeCase(item, 1) + ' ';        });        return this.trim(result, 4)    },//***************字符串模块End**************************///***************数组模块**************************/    //数组去重    removeRepeatArray(arr) {        // return arr.filter(function (item, index, self) {        //     return self.indexOf(item) === index;        // });        //es6        return [...new Set(arr)]    },    //数组顺序打乱    upsetArr(arr) {        return arr.sort(() => {            return Math.random() - 0.5        });    },    //数组最大值    //这一块的封装,主要是针对数字类型的数组    maxArr(arr) {        return Math.max.apply(null, arr);    },    //数组最小值    minArr(arr) {        return Math.min.apply(null, arr);    },    //这一块的封装,主要是针对数字类型的数组    //数组求和    sumArr(arr) {        return arr.reduce((pre, cur) =>pre + cur)    },    //数组平均值,小数点可能会有很多位,这里不做处理,处理了使用就不灵活了!    covArr(arr) {        return this.sumArr(arr) / arr.length;    },    //从数组中随机获取元素    randomOne(arr) {        return arr[Math.floor(Math.random() * arr.length)];    },    //回数组(字符串)一个元素出现的次数    //getEleCount('asd56+asdasdwqe','a')    //result:3    //getEleCount([1,2,3,4,5,66,77,22,55,22],22)    //result:2    getEleCount(obj, ele) {        let num = 0;        for (let i = 0, len = obj.length; i < len; i++) {            if (ele === obj[i]) {                num++;            }        }        return num;    },    //返回数组(字符串)出现最多的几次元素和出现次数    //arr, rank->长度,默认为数组长度,ranktype,排序方式,默认降序    //返回值:el->元素,count->次数    //getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2])    //result:[{"el":"2","count":6},{"el":"1","count":4},{"el":"3","count":2},{"el":"4","count":1},{"el":"5","count":1},{"el":"6","count":1}]    //默认情况,返回所有元素出现的次数    //getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2],3)    //传参(rank=3),只返回出现次数排序前三的    //result:[{"el":"2","count":6},{"el":"1","count":4},{"el":"3","count":2}]    //getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2],null,1)    //传参(ranktype=1,rank=null),升序返回所有元素出现次数    //result:[{"el":"6","count":1},{"el":"5","count":1},{"el":"4","count":1},{"el":"3","count":2},{"el":"1","count":4},{"el":"2","count":6}]    //getCount([1,2,3,1,2,5,2,4,1,2,6,2,1,3,2],3,1)    //传参(rank=3,ranktype=1),只返回出现次数排序(升序)前三的    //result:[{"el":"6","count":1},{"el":"5","count":1},{"el":"4","count":1}]    getCount(arr, rank, ranktype) {        let obj = {}, k, arr1 = []        //记录每一元素出现的次数        for (let i = 0, len = arr.length; i < len; i++) {            k = arr[i];            if (obj[k]) {                obj[k]++;            } else {                obj[k] = 1;            }        }        //保存结果{el-'元素',count-出现次数}        for (let o in obj) {            arr1.push({el: o, count: obj[o]});        }        //排序(降序)        arr1.sort(function (n1, n2) {            return n2.count - n1.count        });        //如果ranktype为1,则为升序,反转数组        if (ranktype === 1) {            arr1 = arr1.reverse();        }        let rank1 = rank || arr1.length;        return arr1.slice(0, rank1);    },    //得到n1-n2下标的数组    //getArrayNum([0,1,2,3,4,5,6,7,8,9],5,9)    //result:[5, 6, 7, 8, 9]    //getArrayNum([0,1,2,3,4,5,6,7,8,9],2) 不传第二个参数,默认返回从n1到数组结束的元素    //result:[2, 3, 4, 5, 6, 7, 8, 9]    getArrayNum(arr, n1, n2) {        return arr.slice(n1, n2);    },    //筛选数组    //删除值为'val'的数组元素    //removeArrayForValue(['test','test1','test2','test','aaa'],'test','%')    //result:["aaa"]   带有'test'的都删除    //removeArrayForValue(['test','test1','test2','test','aaa'],'test')    //result:["test1", "test2", "aaa"]  //数组元素的值全等于'test'才被删除    removeArrayForValue(arr, val, type) {        return arr.filter(item=>type ? item.indexOf(val) === -1 : item !== val)    },    //获取对象数组某些项    //let arr=[{a:1,b:2,c:9},{a:2,b:3,c:5},{a:5,b:9},{a:4,b:2,c:5},{a:4,b:5,c:7}]    //getOptionArray(arr,'a,c')    //result:[{a:1,c:9},{a:2,c:5},{a:5,c:underfind},{a:4,c:5},{a:4,c:7}]    //getOptionArray(arr,'b',1)    //result:[2, 3, 9, 2, 5]    getOptionArray(arr, keys) {        let newArr = [];        if (!keys) {            return arr        }        let _keys = keys.split(','), newArrOne = {};        //是否只是需要获取某一项的值        if (_keys.length === 1) {            for (let i = 0, len = arr.length; i < len; i++) {                newArr.push(arr[i][keys])            }            return newArr;        }        for (let i = 0, len = arr.length; i < len; i++) {            newArrOne = {};            for (let j = 0, len1 = _keys.length; j < len1; j++) {                newArrOne[_keys[j]] = arr[i][_keys[j]]            }            newArr.push(newArrOne);        }        return newArr    },    //排除数组某些项    //let arr=[{a:1,b:2,c:9},{a:2,b:3,c:5},{a:5,b:9},{a:4,b:2,c:5},{a:4,b:5,c:7}]    //filterOptionArray(arr,'a')    //result:[{b:2,c:9},{b:3,c:5},{b:9},{b:2,c:5},{b:5,c:7}]    //filterOptionArray(arr,'a,c')    //result:[{b:2},{b:3},{b:9},{b:2},{b:5}]    filterOptionArray(arr, keys) {        let newArr = [];        let _keys = keys.split(','), newArrOne = {};        for (let i = 0, len = arr.length; i < len; i++) {            newArrOne = {};            for (let key in arr[i]) {                //如果key不存在排除keys里面,添加数据                if (_keys.indexOf(key) === -1) {                    newArrOne[key] = arr[i][key];                }            }            newArr.push(newArrOne);        }        return newArr    },    //对象数组的排序    //let arr=[{a:1,b:2,c:9},{a:2,b:3,c:5},{a:5,b:9},{a:4,b:2,c:5},{a:4,b:5,c:7}]    //ecDo.arraySort(arr,'a,b')a是第一排序条件,b是第二排序条件    //result:[{"a":1,"b":2,"c":9},{"a":2,"b":3,"c":5},{"a":4,"b":2,"c":5},{"a":4,"b":5,"c":7},{"a":5,"b":9}]    arraySort(arr, sortText) {        if (!sortText) {            return arr        }        let _sortText = sortText.split(',').reverse(), _arr = arr.slice(0);        for (let i = 0, len = _sortText.length; i < len; i++) {            _arr.sort((n1, n2) => {                return n1[_sortText[i]] - n2[_sortText[i]]            })        }        return _arr;    },    //数组扁平化    steamroller(arr) {        let newArr = [], _this = this;        for (let i = 0; i < arr.length; i++) {            if (Array.isArray(arr[i])) {                // 如果是数组,调用(递归)steamroller 将其扁平化                // 然后再 push 到 newArr 中                newArr.push.apply(newArr, _this.steamroller(arr[i]));            } else {                // 不是数组直接 push 到 newArr 中                newArr.push(arr[i]);            }        }        return newArr;    },    //另一种写法    //steamroller([1,2,[4,5,[1,23]]])    //[1, 2, 4, 5, 1, 23]    /*     * i=0 newArr.push(arr[i])  [1]     * i=1 newArr.push(arr[i])  [1,2]     * i=2 newArr = newArr.concat(steamroller(arr[i]));  执行到下面     * 第一次i=2进入后 i=0, newArr.push(arr[i]);  [4]     * 第一次i=2进入后 i=1, newArr.push(arr[i]);  [4,5]     *  * i=2 newArr = newArr.concat(steamroller(arr[i]));  执行到下面     * 第二次i=2进入后 i=0, newArr.push(arr[i]);  [1]     * 第二次i=2进入后 i=1, newArr.push(arr[i]);  [1,23]  执行到下面     * 第二次循环完,回到第一次进入后  newArr = newArr.concat(steamroller(arr[i]));  [4,5].concat([1,23])   [4,5,1,23]     * 然后回到第一次   [1,2].concat([4,5,1,23])     */    //  steamroller(arr) {    //      let newArr = [];    //      for (let i = 0; i < arr.length; i++) {    //          if (Array.isArray(arr[i])) {    //              // 如果是数组,调用(递归)steamroller 将其扁平化    //              // 然后再 push 到 newArr 中    //              newArr = newArr.concat(steamroller(arr[i]));    //          } else {    //              // 不是数组直接 push 到 newArr 中    //              newArr.push(arr[i]);    //          }    //      }    //      return newArr;    //  },//***************数组模块END**************************///***************对象及其他模块**************************/    //适配rem    getFontSize(_client) {        let doc = document,            win = window;        let docEl = doc.documentElement,            resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',            recalc = function () {                let clientWidth = docEl.clientWidth;                if (!clientWidth) return;                //如果屏幕大于750(750是根据我效果图设置的,具体数值参考效果图),就设置clientWidth=750,防止font-size会超过100px                if (clientWidth > _client) {                    clientWidth = _client                }                //设置根元素font-size大小                docEl.style.fontSize = 100 * (clientWidth / _client) + 'px';            };        //屏幕大小改变,或者横竖屏切换时,触发函数        win.addEventListener(resizeEvt, recalc, false);        //文档加载完成时,触发函数        doc.addEventListener('DOMContentLoaded', recalc, false);    },    //到某一个时间的倒计时    //getEndTime('2017/7/22 16:0:0')    //result:"剩余时间6天 2小时 28 分钟20 秒"    getEndTime(endTime) {        let startDate = new Date(); //开始时间,当前时间        let endDate = new Date(endTime); //结束时间,需传入时间参数        let t = endDate.getTime() - startDate.getTime(); //时间差的毫秒数        let d = 0,            h = 0,            m = 0,            s = 0;        if (t >= 0) {            d = Math.floor(t / 1000 / 3600 / 24);            h = Math.floor(t / 1000 / 60 / 60 % 24);            m = Math.floor(t / 1000 / 60 % 60);            s = Math.floor(t / 1000 % 60);        }        return `剩余时间${d}天${h}小时${m}分钟${s}秒"`;    },    //随进产生颜色    randomColor() {        //randomNumber是下面定义的函数        //写法1        //return 'rgb(' + this.randomNumber(255) + ',' + this.randomNumber(255) + ',' + this.randomNumber(255) + ')';        //写法2        return '#' + Math.random().toString(16).substring(2).substr(0, 6);        //写法3        //let color='#',_index=this.randomNumber(15);        //for(let i=0;i<6;i++){        //color+='0123456789abcdef'[_index];        //}        //return color;    },    //随机返回一个范围的数字    randomNumber(n1, n2) {        //randomNumber(5,10)        //返回5-10的随机整数,包括5,10        if (arguments.length === 2) {            return Math.round(n1 + Math.random() * (n2 - n1));        }        //randomNumber(10)        //返回0-10的随机整数,包括0,10        else if (arguments.length === 1) {            return Math.round(Math.random() * n1)        }        //randomNumber()        //返回0-255的随机整数,包括0,255        else {            return Math.round(Math.random() * 255)        }    },    //设置url参数    //setUrlPrmt({'a':1,'b':2})    //result:a=1&b=2    setUrlPrmt(obj) {        let _rs = [];        for (let p in obj) {            if (obj[p] != null && obj[p] != '') {                _rs.push(p + '=' + obj[p])            }        }        return _rs.join('&');    },    //获取url参数    //getUrlPrmt('segmentfault.com/write?draftId=122000011938')    //result:Object{draftId: "122000011938"}    getUrlPrmt(url) {        url = url ? url : window.location.href;        let _pa = url.substring(url.indexOf('?') + 1),            _arrS = _pa.split('&'),            _rs = {};        for (let i = 0, _len = _arrS.length; i < _len; i++) {            let pos = _arrS[i].indexOf('=');            if (pos == -1) {                continue;            }            let name = _arrS[i].substring(0, pos),                value = window.decodeURIComponent(_arrS[i].substring(pos + 1));            _rs[name] = value;        }        return _rs;    },    //现金额大写转换函数    //upDigit(168752632)    //result:"人民币壹亿陆仟捌佰柒拾伍万贰仟陆佰叁拾贰元整"    //upDigit(1682)    //result:"人民币壹仟陆佰捌拾贰元整"    //upDigit(-1693)    //result:"欠人民币壹仟陆佰玖拾叁元整"    upDigit(n) {        let fraction = ['角', '分', '厘'];        let digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];        let unit = [            ['元', '万', '亿'],            ['', '拾', '佰', '仟']        ];        let head = n < 0 ? '欠人民币' : '人民币';        n = Math.abs(n);        let s = '';        for (let i = 0; i < fraction.length; i++) {            s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');        }        s = s || '整';        n = Math.floor(n);        for (let i = 0; i < unit[0].length && n > 0; i++) {            let p = '';            for (let j = 0; j < unit[1].length && n > 0; j++) {                p = digit[n % 10] + unit[1][j] + p;                n = Math.floor(n / 10);            }            s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s;            //s = p + unit[0][i] + s;        }        return head + s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整');    },    //清除对象中值为空的属性    //filterParams({a:"",b:null,c:"010",d:123})    //Object {c: "010", d: 123}    filterParams(obj) {        let _newPar = {};        for (let key in obj) {            if ((obj[key] === 0 || obj[key] === false || obj[key]) && obj[key].toString().replace(/(^\s*)|(\s*$)/g, '') !== '') {                _newPar[key] = obj[key];            }        }        return _newPar;    },    //数据类型判断    //ecDo.istype([],'array')    //true    //ecDo.istype([])    //'[object Array]'    istype(o, type) {        switch (type.toLowerCase()) {            case 'string':                return Object.prototype.toString.call(o) === '[object String]';            case 'number':                return Object.prototype.toString.call(o) === '[object Number]';            case 'boolean':                return Object.prototype.toString.call(o) === '[object Boolean]';            case 'undefined':                return Object.prototype.toString.call(o) === '[object Undefined]';            case 'null':                return Object.prototype.toString.call(o) === '[object Null]';            case 'function':                return Object.prototype.toString.call(o) === '[object Function]';            case 'array':                return Object.prototype.toString.call(o) === '[object Array]';            case 'object':                return Object.prototype.toString.call(o) === '[object Object]';            case 'nan':                return isNaN(o);            case 'elements':                return Object.prototype.toString.call(o).indexOf('HTML') !== -1            default:                return Object.prototype.toString.call(o)        }    },    //手机类型判断    browserInfo(type) {        switch (type) {            case 'android':                return navigator.userAgent.toLowerCase().indexOf('android') !== -1            case 'iphone':                return navigator.userAgent.toLowerCase().indexOf('iphone') !== -1            case 'ipad':                return navigator.userAgent.toLowerCase().indexOf('ipad') !== -1            case 'weixin':                return navigator.userAgent.toLowerCase().indexOf('micromessenger') !== -1            default:                return navigator.userAgent.toLowerCase()        }    },    //函数节流    // let count=0;    // function fn1(){    //     count++;    //     console.log(count)    // }    // //100ms内连续触发的调用,后一个调用会把前一个调用的等待处理掉,但每隔200ms至少执行一次    // document.onmousemove=delayFn(fn1,100,200)    delayFn(fn, delay, mustDelay) {        let timer = null;        let t_start;        return function () {            let context = this, args = arguments, t_cur = +new Date();            //先清理上一次的调用触发(上一次调用触发事件不执行)            clearTimeout(timer);            //如果不存触发时间,那么当前的时间就是触发时间            if (!t_start) {                t_start = t_cur;            }            //如果当前时间-触发时间大于最大的间隔时间(mustDelay),触发一次函数运行函数            if (t_cur - t_start >= mustDelay) {                fn.apply(context, args);                t_start = t_cur;            }            //否则延迟执行            else {                timer = setTimeout(() => {                    fn.apply(context, args);                }, delay);            }        };    },//***************对象及其他模块END**************************///***************cookie模块*******************************/    //设置cookie    setCookie(name, value, iDay) {        let oDate = new Date();        oDate.setDate(oDate.getDate() + iDay);        document.cookie = name + '=' + value + ';expires=' + oDate;    },    //获取cookie    getCookie(name) {        let arr = document.cookie.split('; ');        for (let i = 0; i < arr.length; i++) {            let arr2 = arr[i].split('=');            if (arr2[0] == name) {                return arr2[1];            }        }        return '';    },    //删除cookie    removeCookie(name) {        this.setCookie(name, 1, -1);    },//***************cookie模块END*******************************///***************DOM模块*******************************/    //检测对象是否有哪个类名    hasClass(obj, classStr) {        if (obj.className && this.trim(obj.className, 1) !== "") {            let arr = obj.className.split(/\s+/); //这个正则表达式是因为class可以有多个,判断是否包含            return (arr.indexOf(classStr) === -1) ? false : true;        }        else {            return false;        }    },    //添加类名    addClass(obj, classStr) {        if ((this.istype(obj, 'array') || this.istype(obj, 'elements')) && obj.length >= 1) {            for (let i = 0, len = obj.length; i < len; i++) {                if (!this.hasClass(obj[i], classStr)) {                    obj[i].className += " " + classStr;                }            }        }        else {            if (!this.hasClass(obj, classStr)) {                obj.className += " " + classStr;            }        }    },    //删除类名    removeClass(obj, classStr) {        if ((this.istype(obj, 'array') || this.istype(obj, 'elements')) && obj.length > 1) {            for (let i = 0, len = obj.length; i < len; i++) {                if (this.hasClass(obj[i], classStr)) {                    let reg = new RegExp('(\\s|^)' + classStr + '(\\s|$)');                    obj[i].className = obj[i].className.replace(reg, '');                }            }        }        else {            if (this.hasClass(obj, classStr)) {                let reg = new RegExp('(\\s|^)' + classStr + '(\\s|$)');                obj.className = obj.className.replace(reg, '');            }        }    },    //替换类名("被替换的类名","替换的类名")    replaceClass(obj, newName, oldName) {        this.removeClass(obj, oldName);        this.addClass(obj, newName);    },    //获取兄弟节点    //ecDo.siblings(obj,'#id')    siblings(obj, opt) {        let a = []; //定义一个数组,用来存o的兄弟元素        let p = obj.previousSibling;        while (p) { //先取o的哥哥们 判断有没有上一个哥哥元素,如果有则往下执行 p表示previousSibling            if (p.nodeType === 1) {                a.push(p);            }            p = p.previousSibling //最后把上一个节点赋给p        }        a.reverse() //把顺序反转一下 这样元素的顺序就是按先后的了        let n = obj.nextSibling; //再取o的弟弟        while (n) { //判断有没有下一个弟弟结点 n是nextSibling的意思            if (n.nodeType === 1) {                a.push(n);            }            n = n.nextSibling;        }        if (opt) {            let _opt = opt.substr(1);            let b = [];//定义一个数组,用于储存过滤a的数组            if (opt[0] === '.') {                b = a.filter(item => item.className === _opt);            }            else if (opt[0] === '#') {                b = a.filter(item => item.id === _opt);            }            else {                b = a.filter(item => item.tagName.toLowerCase() === opt);            }            return b;        }        return a;    },    //设置样式    css(obj, json) {        for (let attr in json) {            obj.style[attr] = json[attr];        }    },    //设置HTML内容    html(obj) {        if (arguments.length === 1) {            return obj.innerHTML;        } else if (arguments.length === 2) {            obj.innerHTML = arguments[1];        }    },    //设置HTML内容    text(obj) {        if (arguments.length === 1) {            return obj.innerHTML;        } else if (arguments.length === 2) {            obj.innerHTML = this.filterStr(arguments[1], 'html');        }    },    //显示隐藏    show(obj) {        let blockArr = ['div', 'li', 'ul', 'ol', 'dl', 'table', 'article', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'p', 'hr', 'header', 'footer', 'details', 'summary', 'section', 'aside', '']        if (blockArr.indexOf(obj.tagName.toLocaleLowerCase()) === -1) {            obj.style.display = 'inline';        }        else {            obj.style.display = 'block';        }    },    hide(obj) {        obj.style.display = "none";    },    /* 封装ajax函数     * @param {string}obj.type http连接的方式,包括POST和GET两种方式     * @param {string}obj.url 发送请求的url     * @param {boolean}obj.async 是否为异步请求,true为异步的,false为同步的     * @param {object}obj.data 发送的参数,格式为对象类型     * @param {function}obj.success ajax发送并接收成功调用的回调函数     * @param {function}obj.error ajax发送失败或者接收失败调用的回调函数     */    //  ajax({    //  	type:'get',    //  	url:'xxx',    //  	data:{    //  		id:'111'    //  	},    //  	success:function(res){    //  		console.log(res)    //  	}    //  })    ajax(obj){        obj = Object.assign({            type: 'POST',            url: '',            async: true,            data: null,            success() {},            error() {}        }, obj);        obj.type = obj.type.toUpperCase();        let xmlHttp = null;        if (XMLHttpRequest) {            xmlHttp = new XMLHttpRequest();        } else {            xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');        }        let params = [];        for (let key in obj.data) {            params.push(key + '=' + obj.data[key]);        }        let postData = params.join('&');        if (obj.type.toUpperCase() === 'POST') {            xmlHttp.open(obj.type, obj.url, obj.async);            xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');            xmlHttp.send(postData);        } else if (obj.type.toUpperCase() === 'GET') {            xmlHttp.open(obj.type, `${obj.url}?${postData}`, obj.async);            xmlHttp.send(null);        }        xmlHttp.onreadystatechange = function () {            if (xmlHttp.readyState === 4 && xmlHttp.status === 200) {                obj.success(xmlHttp.responseText);            } else {                obj.error(xmlHttp.responseText);            }        };    },    //图片没加载出来时用一张图片代替    aftLoadImg(obj, url, errorUrl, cb) {        let oImg = new Image(), _this = this;        oImg.src = url;        oImg.onload = function () {            obj.src = oImg.src;            if (cb && _this.istype(cb, 'function')) {                cb(obj);            }        }        oImg.onerror = function () {            obj.src = errorUrl;            if (cb && _this.istype(cb, 'function')) {                cb(obj);            }        }    },    //图片滚动懒加载    //@className {string} 要遍历图片的类名    //@num {number} 距离多少的时候开始加载 默认 0    //比如,一张图片距离文档顶部3000,num参数设置200,那么在页面滚动到2800的时候,图片加载。不传num参数就滚动,num默认是0,页面滚动到3000就加载    //html代码    //<p><img data-src="lawyerOtherImg.jpg" class="load-img" width='528' height='304' /></p>    //<p><img data-src="lawyerOtherImg.jpg" class="load-img" width='528' height='304' /></p>    //<p><img data-src="lawyerOtherImg.jpg" class="load-img" width='528' height='304' /></p>....    //data-src储存src的数据,到需要加载的时候把data-src的值赋值给src属性,图片就会加载。    //详细可以查看testLoadImg.html    //window.onload = function() {    //	loadImg('load-img',100);    //	window.onscroll = function() {    //		loadImg('load-img',100);    //		}    //}    loadImg(className = 'ec-load-img', num = 0, errorUrl = null) {        let oImgLoad = document.getElementsByClassName(className);        for (let i = 0, len = oImgLoad.length; i < len; i++) {            //如果图片已经滚动到指定的高度            if (document.documentElement.clientHeight + document.documentElement.scrollTop > oImgLoad[i].offsetTop - num && !oImgLoad[i].isLoad) {                //记录图片是否已经加载                oImgLoad[i].isLoad = true;                //设置过渡,当图片下来的时候有一个图片透明度变化                oImgLoad[i].style.cssText = "transition: ''; opacity: 0;";                if (oImgLoad[i].dataset) {                    this.aftLoadImg(oImgLoad[i], oImgLoad[i].dataset.src, errorUrl, function (o) {                        //添加定时器,确保图片已经加载完了,再把图片指定的的class,清掉,避免重复编辑                        setTimeout(()=>{                            if (o.isLoad) {                                this.removeClass(o, className);                                o.style.cssText = "";                            }                        }, 1000)                    });                } else {                    this.aftLoadImg(oImgLoad[i], oImgLoad[i].getAttribute("data-src"), errorUrl, function (o) {                        //添加定时器,确保图片已经加载完了,再把图片指定的的class,清掉,避免重复编辑                        setTimeout(()=>{                            if (o.isLoad) {                                this.removeClass(o, className);                                o.style.cssText = "";                            }                        }, 1000)                    });                }                (function (i) {                    setTimeout(()=>{                        oImgLoad[i].style.cssText = "transition:all 1s; opacity: 1;";                    }, 16)                })(i);            }        }    },    //创建正则字符    createKeyExp(strArr) {        let str = "";        for (let i = 0; i < strArr.length; i++) {            if (i !== strArr.length - 1) {                str = str + strArr[i] + "|";            } else {                str = str + strArr[i];            }        }        return "(" + str + ")";    },    //关键字加标签(多个关键词用空格隔开)    //ecDo.findKey('守侯我oaks接到了来自下次你离开快乐吉祥留在开城侯','守侯 开','i')    //"<i>守侯</i>我oaks接到了来自下次你离<i>开</i>快乐吉祥留在<i>开</i>城侯"    findKey(str, key, el = 'span') {        let arr = null, regStr = null, content = null, Reg = null;        arr = key.split(/\s+/);        //alert(regStr); //    如:(前端|过来)        regStr = this.createKeyExp(arr);        content = str;        //alert(Reg);//        /如:(前端|过来)/g        Reg = new RegExp(regStr, "g");        //过滤html标签 替换标签,往关键字前后加上标签        content = content.replace(/<\/?[^>]*>/g, '')        return content.replace(Reg, "<" + el + ">$1</" + el + ">");    },//***************DOM模块END*******************************/};
https://segmentfault.com/a/1190000010225928 

https://segmentfault.com/a/1190000010527982

http://www.jqhtml.com/9521.html