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