网络技术 > 前端设计
JS字符串处理类
分类:前端设计    时间:2019-09-28    浏览:318次

var ecDo = {
/*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*))
//type: 0.依次从前面开始替换的个数 1.从最后一个开始替换的个数
//replaceStr(''1asd88465asdwqe3'',[5],1,''+'') replaceStr(''1asd88465asdwqe3'',[5],0,''+'')
//result:"1asd88465as+++++" result:"+++++8465asdwqe3"
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
//strSplit: 出现在字符串里的次数
//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;
var strArr = str.split(_splitType);
strArr.forEach(function(item) {
if (_max < item.length) {
_max = item.length
}
})
return _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
//例如:maxArr([10,20,15])
//输出结果:20
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;
},

//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) {
var arr1 = arr.slice(n1, n2);
return arr1;
},

//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, type) {
var newArr = []
if (!keys) {
return arr
}
//是否只是需要获取某一项的值
if (type === 1) {
for (var i = 0, len = arr.length; i < len; i++) {
newArr.push(arr[i][keys])
}
return newArr;
}
var _keys = keys.split('',''),
newArrOne = {};
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() {
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 > 750) {
clientWidth = 750
}
//设置根元素font-size大小
docEl.style.fontSize = 100 * (clientWidth / 750) + ''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";

} else {
return ''时间错误!!!'';
}
},
//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$/, ''零元整'');
},
//清除对象中值为空的属性
//filterParams({a:"",b:null,c:"010",d:123})
//Object {c: "010", d: 123}
filterParams: function(obj) {
var _newPar = {};
for (var key in obj) {
if ((obj[key] === 0 || obj[key]) && obj[key].toString().replace(/(^\s*)|(\s*$)/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++) {
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) {
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) {
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);
}
};
},
//原生JavaScript加入收藏夹
AddFavorite: function(sURL, sTitle) {
try {
window.external.addFavorite(sURL, sTitle)
} catch (e) {
try {
window.sidebar.addPanel(sTitle, sURL, "")
} catch (e) {
alert("加入收藏失败,请使用Ctrl+D进行添加")
}
}
},
// 原生 JavaScript 实现字符串长度截取
Cutstr: function(str, len) {
var temp;
var icount = 0;
var patrn = /[^\x00-\xff]/;
var strre = "";
for (var i = 0; i < str.length; i++) {
if (icount < len - 1) {
temp = str.substr(i, 1);
if (patrn.exec(temp) == null) {
icount = icount + 1
} else {
icount = icount + 2
}
strre += temp
} else {
break
}
}
return strre + "..."
}
}

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