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Javascript 总结 常用工具类的封装
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发布时间:2019-05-03

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JavaScript

1. type 类型判断

  
   
isString (o) { //是否字符串    return Object.prototype.toString.call(o).slice(8, -1) === 'String'}isNumber (o) { //是否数字    return Object.prototype.toString.call(o).slice(8, -1) === 'Number'}isBoolean (o) { //是否boolean    return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'}isFunction (o) { //是否函数    return Object.prototype.toString.call(o).slice(8, -1) === 'Function'}isNull (o) { //是否为null    return Object.prototype.toString.call(o).slice(8, -1) === 'Null'}isUndefined (o) { //是否undefined    return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'}isObj (o) { //是否对象    return Object.prototype.toString.call(o).slice(8, -1) === 'Object'}isArray (o) { //是否数组    return Object.prototype.toString.call(o).slice(8, -1) === 'Array'}isDate (o) { //是否时间    return Object.prototype.toString.call(o).slice(8, -1) === 'Date'}isRegExp (o) { //是否正则    return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'}isError (o) { //是否错误对象    return Object.prototype.toString.call(o).slice(8, -1) === 'Error'}isSymbol (o) { //是否Symbol函数    return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'}isPromise (o) { //是否Promise对象    return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'}isSet (o) { //是否Set对象    return Object.prototype.toString.call(o).slice(8, -1) === 'Set'}isFalse (o) {    if (!o || o === 'null' || o === 'undefined' || o === 'false' || o === 'NaN') return true        return false}isTrue (o) {    return !this.isFalse(o)}isIos () {    var u = navigator.userAgent;    if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) {//安卓手机        // return "Android";        return false    } else if (u.indexOf('iPhone') > -1) {//苹果手机        // return "iPhone";        return true    } else if (u.indexOf('iPad') > -1) {//iPad        // return "iPad";        return false    } else if (u.indexOf('Windows Phone') > -1) {//winphone手机        // return "Windows Phone";        return false    }else{        return false    }}isPC () { //是否为PC端    var userAgentInfo = navigator.userAgent;    var Agents = ["Android", "iPhone",                "SymbianOS", "Windows Phone",                "iPad", "iPod"];    var flag = true;    for (var v = 0; v < Agents.length; v++) {        if (userAgentInfo.indexOf(Agents[v]) > 0) {            flag = false;            break;        }    }    return flag;}browserType(){    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串    var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器    var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器    var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;    var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器      var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器    var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器    var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器    if (isIE) {        var reIE = new RegExp("MSIE (\\d+\\.\\d+);");        reIE.test(userAgent);        var fIEVersion = parseFloat(RegExp["$1"]);        if(fIEVersion == 7) return "IE7"        else if(fIEVersion == 8) return "IE8";        else if(fIEVersion == 9) return "IE9";        else if(fIEVersion == 10) return "IE10";        else return "IE7以下"//IE版本过低    }    if (isIE11) return 'IE11';    if (isEdge) return "Edge";    if (isFF) return "FF";    if (isOpera) return "Opera";    if (isSafari) return "Safari";    if (isChrome) return "Chrome";}checkStr (str, type) {    switch (type) {        case 'phone':   //手机号码            return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);        case 'tel':     //座机            return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);        case 'card':    //身份证            return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);        case 'pwd':     //密码以字母开头,长度在6~18之间,只能包含字母、数字和下划线            return /^[a-zA-Z]\w{5,17}$/.test(str)        case 'postal':  //邮政编码            return /[1-9]\d{5}(?!\d)/.test(str);        case 'QQ':      //QQ号            return /^[1-9][0-9]{4,9}$/.test(str);        case 'email':   //邮箱            return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);        case 'money':   //金额(小数点2位)            return /^\d*(?:\.\d{0,2})?$/.test(str);        case 'URL':     //网址            return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)        case 'IP':      //IP            return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);        case 'date':    //日期时间            return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)        case 'number':  //数字            return /^[0-9]$/.test(str);        case 'english': //英文            return /^[a-zA-Z]+$/.test(str);        case 'chinese': //中文            return /^[\u4E00-\u9FA5]+$/.test(str);        case 'lower':   //小写            return /^[a-z]+$/.test(str);        case 'upper':   //大写            return /^[A-Z]+$/.test(str);        case 'HTML':    //HTML标记            return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);        default:            return true;    }        // 严格的身份证校验    isCardID(sId) {        if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {            alert('你输入的身份证长度或格式错误')            return false        }        //身份证城市        var aCity={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"};        if(!aCity[parseInt(sId.substr(0,2))]) {             alert('你的身份证地区非法')            return false        }        // 出生日期验证        var sBirthday=(sId.substr(6,4)+"-"+Number(sId.substr(10,2))+"-"+Number(sId.substr(12,2))).replace(/-/g,"/"),            d = new Date(sBirthday)        if(sBirthday != (d.getFullYear()+"/"+ (d.getMonth()+1) + "/" + d.getDate())) {            alert('身份证上的出生日期非法')            return false        }        // 身份证号码校验        var sum = 0,            weights =  [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],            codes = "10X98765432"        for (var i = 0; i < sId.length - 1; i++) {            sum += sId[i] * weights[i];        }        var last = codes[sum % 11]; //计算出来的最后一位身份证号码        if (sId[sId.length-1] != last) {             alert('你输入的身份证号非法')            return false        }                return true    }}
   

2. Date

  
   
/** * 格式化时间 *  * @param  {time} 时间 * @param  {cFormat} 格式 * @return {String} 字符串 * * @example formatTime('2018-1-29', '{y}/{m}/{d} {h}:{i}:{s}') // -> 2018/01/29 00:00:00 */formatTime(time, cFormat) {    if (arguments.length === 0) return null    if ((time + '').length === 10) {        time = +time * 1000    }    var format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}', date    if (typeof time === 'object') {        date = time    } else {        date = new Date(time)    }    var formatObj = {        y: date.getFullYear(),        m: date.getMonth() + 1,        d: date.getDate(),        h: date.getHours(),        i: date.getMinutes(),        s: date.getSeconds(),        a: date.getDay()    }    var time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {        var value = formatObj[key]        if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]        if (result.length > 0 && value < 10) {            value = '0' + value        }        return value || 0    })    return time_str}/** * 返回指定长度的月份集合 *  * @param  {time} 时间 * @param  {len} 长度 * @param  {direction} 方向:  1: 前几个月;  2: 后几个月;  3:前后几个月  默认 3 * @return {Array} 数组 *  * @example   getMonths('2018-1-29', 6, 1)  // ->  ["2018-1", "2017-12", "2017-11", "2017-10", "2017-9", "2017-8", "2017-7"] */getMonths(time, len, direction) {    var mm = new Date(time).getMonth(),        yy = new Date(time).getFullYear(),        direction = isNaN(direction) ? 3 : direction,        index = mm;    var cutMonth = function(index) {        if ( index <= len && index >= -len) {            return direction === 1 ? formatPre(index).concat(cutMonth(++index)):                direction === 2 ? formatNext(index).concat(cutMonth(++index)):formatCurr(index).concat(cutMonth(++index))        }        return []    }    var formatNext = function(i) {        var y = Math.floor(i/12),            m = i%12        return [yy+y + '-' + (m+1)]    }    var formatPre = function(i) {        var y = Math.ceil(i/12),            m = i%12        m = m===0 ? 12 : m        return [yy-y + '-' + (13 - m)]    }    var formatCurr = function(i) {        var y = Math.floor(i/12),            yNext = Math.ceil(i/12),            m = i%12,            mNext = m===0 ? 12 : m        return [yy-yNext + '-' + (13 - mNext),yy+y + '-' + (m+1)]    }    // 数组去重    var unique = function(arr) {        if ( Array.hasOwnProperty('from') ) {            return Array.from(new Set(arr));        }else{            var n = {},r=[];             for(var i = 0; i < arr.length; i++){                if (!n[arr[i]]){                    n[arr[i]] = true;                     r.push(arr[i]);                }            }            return r;        }    }    return direction !== 3 ? cutMonth(index) : unique(cutMonth(index).sort(function(t1, t2){        return new Date(t1).getTime() - new Date(t2).getTime()    }))}/** * 返回指定长度的天数集合 *  * @param  {time} 时间 * @param  {len} 长度 * @param  {direction} 方向: 1: 前几天;  2: 后几天;  3:前后几天  默认 3 * @return {Array} 数组 * * @example date.getDays('2018-1-29', 6) // -> ["2018-1-26", "2018-1-27", "2018-1-28", "2018-1-29", "2018-1-30", "2018-1-31", "2018-2-1"] */getDays(time, len, diretion) {    var tt = new Date(time)    var getDay = function(day) {        var t = new Date(time)        t.setDate(t.getDate() + day)        var m = t.getMonth()+1        return t.getFullYear()+'-'+m+'-'+t.getDate()    }    var arr = []    if (diretion === 1) {        for (var i = 1; i <= len; i++) {            arr.unshift(getDay(-i))        }    }else if(diretion === 2) {        for (var i = 1; i <= len; i++) {            arr.push(getDay(i))        }    }else {        for (var i = 1; i <= len; i++) {            arr.unshift(getDay(-i))        }        arr.push(tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate())        for (var i = 1; i <= len; i++) {            arr.push(getDay(i))        }    }    return diretion === 1 ? arr.concat([tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()]) :         diretion === 2 ? [tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()].concat(arr) : arr}/** * @param  {s} 秒数 * @return {String} 字符串  * * @example formatHMS(3610) // -> 1h0m10s */formatHMS (s) {    var str = ''    if (s > 3600) {        str = Math.floor(s/3600)+'h'+Math.floor(s%3600/60)+'m'+s%60+'s'    }else if(s > 60) {        str = Math.floor(s/60)+'m'+s%60+'s'    }else{        str = s%60+'s'    }    return str}/*获取某月有多少天*/getMonthOfDay (time) {    var date = new Date(time)    var year = date.getFullYear()    var mouth = date.getMonth() + 1    var days    //当月份为二月时,根据闰年还是非闰年判断天数    if (mouth == 2) {        days = (year%4==0 && year%100==0 && year%400==0) || (year%4==0 && year%100!=0) ? 28 : 29    } else if (mouth == 1 || mouth == 3 || mouth == 5 || mouth == 7 || mouth == 8 || mouth == 10 || mouth == 12) {        //月份为:1,3,5,7,8,10,12 时,为大月.则天数为31;        days = 31    } else {        //其他月份,天数为:30.        days = 30    }    return days}/*获取某年有多少天*/getYearOfDay (time) {    var firstDayYear = this.getFirstDayOfYear(time);    var lastDayYear = this.getLastDayOfYear(time);    var numSecond = (new Date(lastDayYear).getTime() - new Date(firstDayYear).getTime())/1000;    return Math.ceil(numSecond/(24*3600));}/*获取某年的第一天*/getFirstDayOfYear (time) {    var year = new Date(time).getFullYear();    return year + "-01-01 00:00:00";}/*获取某年最后一天*/getLastDayOfYear (time) {    var year = new Date(time).getFullYear();    var dateString = year + "-12-01 00:00:00";    var endDay = this.getMonthOfDay(dateString);    return year + "-12-" + endDay + " 23:59:59";}/*获取某个日期是当年中的第几天*/getDayOfYear (time) {    var firstDayYear = this.getFirstDayOfYear(time);    var numSecond = (new Date(time).getTime() - new Date(firstDayYear).getTime())/1000;    return Math.ceil(numSecond/(24*3600));}/*获取某个日期在这一年的第几周*/getDayOfYearWeek (time) {    var numdays = this.getDayOfYear(time);    return Math.ceil(numdays / 7);}
   

3. Array

  
   
/*判断一个元素是否在数组中*/contains (arr, val) {    return arr.indexOf(val) != -1 ? true : false;}/** * @param  {arr} 数组 * @param  {fn} 回调函数 * @return {undefined} */each (arr, fn) {    fn = fn || Function;    var a = [];    var args = Array.prototype.slice.call(arguments, 1);    for(var i = 0; i < arr.length; i++) {        var res = fn.apply(arr, [arr[i], i].concat(args));        if(res != null) a.push(res);    }}/** * @param  {arr} 数组 * @param  {fn} 回调函数 * @param  {thisObj} this指向 * @return {Array}  */map (arr, fn, thisObj) {    var scope = thisObj || window;    var a = [];    for(var i = 0, j = arr.length; i < j; ++i) {        var res = fn.call(scope, arr[i], i, this);        if(res != null) a.push(res);    }    return a;}/** * @param  {arr} 数组 * @param  {type} 1:从小到大   2:从大到小   3:随机 * @return {Array} */sort (arr, type = 1) {    return arr.sort( (a, b) => {        switch(type) {            case 1:                return a - b;            case 2:                return b - a;            case 3:                return Math.random() - 0.5;            default:                return arr;        }    })}/*去重*/unique (arr) {    if ( Array.hasOwnProperty('from') ) {        return Array.from(new Set(arr));    }else{        var n = {},r=[];         for(var i = 0; i < arr.length; i++){            if (!n[arr[i]]){                n[arr[i]] = true;                 r.push(arr[i]);            }        }        return r;    }    // 注:上面 else 里面的排重并不能区分 2 和 '2',但能减少用indexOf带来的性能,暂时没找到替代的方法。。。    /* 正确排重    if ( Array.hasOwnProperty('from') ) {        return Array.from(new Set(arr))    }else{        var r = [], NaNBol = true        for(var i=0; i < arr.length; i++) {            if (arr[i] !== arr[i]) {                if (NaNBol && r.indexOf(arr[i]) === -1) {                    r.push(arr[i])                    NaNBol = false                }            }else{                if(r.indexOf(arr[i]) === -1) r.push(arr[i])            }        }        return r    }     */}/*求两个集合的并集*/union (a, b) {    var newArr = a.concat(b);    return this.unique(newArr);}/*求两个集合的交集*/intersect (a, b) {    var _this = this;    a = this.unique(a);    return this.map(a, function(o) {        return _this.contains(b, o) ? o : null;    });}/*删除其中一个元素*/remove (arr, ele) {    var index = arr.indexOf(ele);    if(index > -1) {        arr.splice(index, 1);    }    return arr;}/*将类数组转换为数组的方法*/formArray (ary) {    var arr = [];    if(Array.isArray(ary)) {        arr = ary;    } else {        arr = Array.prototype.slice.call(ary);    };    return arr;}/*最大值*/max (arr) {    return Math.max.apply(null, arr);}/*最小值*/min (arr) {    return Math.min.apply(null, arr);}/*求和*/sum (arr) {    return arr.reduce( (pre, cur) => {        return pre + cur    })}/*平均值*/average (arr) {    return this.sum(arr)/arr.length}
   

4. String 字符串操作

  
   
/** * 去除空格 * @param  {str} * @param  {type}  *       type:  1-所有空格  2-前后空格  3-前空格 4-后空格 * @return {String} */trim (str, type) {    type = type || 1    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;    }}/** * @param  {str}  * @param  {type} *       type:  1:首字母大写  2:首页母小写  3:大小写转换  4:全部大写  5:全部小写 * @return {String} */changeCase (str, type) {    type = type || 4    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 str.split('').map( function(word){                if (/[a-z]/.test(word)) {                    return word.toUpperCase();                }else{                    return word.toLowerCase()                }            }).join('')        case 4:            return str.toUpperCase();        case 5:            return str.toLowerCase();        default:            return str;    }}/*    检测密码强度*/checkPwd (str) {    var Lv = 0;    if (str.length < 6) {        return Lv    }    if (/[0-9]/.test(str)) {        Lv++    }    if (/[a-z]/.test(str)) {        Lv++    }    if (/[A-Z]/.test(str)) {        Lv++    }    if (/[\.|-|_]/.test(str)) {        Lv++    }    return Lv;}/*过滤html代码(把<>转换)*/filterTag (str) {    str = str.replace(/&/ig, "&");    str = str.replace(//ig, ">");    str = str.replace(" ", " ");    return str;}
   

5. Number

  
   
/*随机数范围*/random (min, max) {    if (arguments.length === 2) {        return Math.floor(min + Math.random() * ( (max+1) - min ))    }else{        return null;    }    }/*将阿拉伯数字翻译成中文的大写数字*/numberToChinese (num) {    var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十");    var BB = new Array("", "十", "百", "仟", "萬", "億", "点", "");    var a = ("" + num).replace(/(^0*)/g, "").split("."),        k = 0,        re = "";    for(var i = a[0].length - 1; i >= 0; i--) {        switch(k) {            case 0:                re = BB[7] + re;                break;            case 4:                if(!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$")                    .test(a[0]))                    re = BB[4] + re;                break;            case 8:                re = BB[5] + re;                BB[7] = BB[5];                k = 0;                break;        }        if(k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0)            re = AA[0] + re;        if(a[0].charAt(i) != 0)            re = AA[a[0].charAt(i)] + BB[k % 4] + re;        k++;    }    if(a.length > 1) // 加上小数部分(如果有小数部分)    {        re += BB[6];        for(var i = 0; i < a[1].length; i++)            re += AA[a[1].charAt(i)];    }    if(re == '一十')        re = "十";    if(re.match(/^一/) && re.length == 3)        re = re.replace("一", "");    return re;}/*将数字转换为大写金额*/changeToChinese (Num) {        //判断如果传递进来的不是字符的话转换为字符        if(typeof Num == "number") {            Num = new String(Num);        };        Num = Num.replace(/,/g, "") //替换tomoney()中的“,”        Num = Num.replace(/ /g, "") //替换tomoney()中的空格        Num = Num.replace(/¥/g, "") //替换掉可能出现的¥字符        if(isNaN(Num)) { //验证输入的字符是否为数字            //alert("请检查小写金额是否正确");            return "";        };        //字符处理完毕后开始转换,采用前后两部分分别转换        var part = String(Num).split(".");        var newchar = "";        //小数点前进行转化        for(var i = part[0].length - 1; i >= 0; i--) {            if(part[0].length > 10) {                return "";                //若数量超过拾亿单位,提示            }            var tmpnewchar = ""            var perchar = part[0].charAt(i);            switch(perchar) {                case "0":                    tmpnewchar = "零" + tmpnewchar;                    break;                case "1":                    tmpnewchar = "壹" + tmpnewchar;                    break;                case "2":                    tmpnewchar = "贰" + tmpnewchar;                    break;                case "3":                    tmpnewchar = "叁" + tmpnewchar;                    break;                case "4":                    tmpnewchar = "肆" + tmpnewchar;                    break;                case "5":                    tmpnewchar = "伍" + tmpnewchar;                    break;                case "6":                    tmpnewchar = "陆" + tmpnewchar;                    break;                case "7":                    tmpnewchar = "柒" + tmpnewchar;                    break;                case "8":                    tmpnewchar = "捌" + tmpnewchar;                    break;                case "9":                    tmpnewchar = "玖" + tmpnewchar;                    break;            }            switch(part[0].length - i - 1) {                case 0:                    tmpnewchar = tmpnewchar + "元";                    break;                case 1:                    if(perchar != 0) tmpnewchar = tmpnewchar + "拾";                    break;                case 2:                    if(perchar != 0) tmpnewchar = tmpnewchar + "佰";                    break;                case 3:                    if(perchar != 0) tmpnewchar = tmpnewchar + "仟";                    break;                case 4:                    tmpnewchar = tmpnewchar + "万";                    break;                case 5:                    if(perchar != 0) tmpnewchar = tmpnewchar + "拾";                    break;                case 6:                    if(perchar != 0) tmpnewchar = tmpnewchar + "佰";                    break;                case 7:                    if(perchar != 0) tmpnewchar = tmpnewchar + "仟";                    break;                case 8:                    tmpnewchar = tmpnewchar + "亿";                    break;                case 9:                    tmpnewchar = tmpnewchar + "拾";                    break;            }            var newchar = tmpnewchar + newchar;        }        //小数点之后进行转化        if(Num.indexOf(".") != -1) {            if(part[1].length > 2) {                // alert("小数点之后只能保留两位,系统将自动截断");                part[1] = part[1].substr(0, 2)            }            for(i = 0; i < part[1].length; i++) {                tmpnewchar = ""                perchar = part[1].charAt(i)                switch(perchar) {                    case "0":                        tmpnewchar = "零" + tmpnewchar;                        break;                    case "1":                        tmpnewchar = "壹" + tmpnewchar;                        break;                    case "2":                        tmpnewchar = "贰" + tmpnewchar;                        break;                    case "3":                        tmpnewchar = "叁" + tmpnewchar;                        break;                    case "4":                        tmpnewchar = "肆" + tmpnewchar;                        break;                    case "5":                        tmpnewchar = "伍" + tmpnewchar;                        break;                    case "6":                        tmpnewchar = "陆" + tmpnewchar;                        break;                    case "7":                        tmpnewchar = "柒" + tmpnewchar;                        break;                    case "8":                        tmpnewchar = "捌" + tmpnewchar;                        break;                    case "9":                        tmpnewchar = "玖" + tmpnewchar;                        break;                }                if(i == 0) tmpnewchar = tmpnewchar + "角";                if(i == 1) tmpnewchar = tmpnewchar + "分";                newchar = newchar + tmpnewchar;            }        }        //替换所有无用汉字        while(newchar.search("零零") != -1)            newchar = newchar.replace("零零", "零");        newchar = newchar.replace("零亿", "亿");        newchar = newchar.replace("亿万", "亿");        newchar = newchar.replace("零万", "万");        newchar = newchar.replace("零元", "元");        newchar = newchar.replace("零角", "");        newchar = newchar.replace("零分", "");        if(newchar.charAt(newchar.length - 1) == "元") {            newchar = newchar + "整"        }        return newchar;    }
   

6. Http

  
   
/** * @param  {setting} */ajax(setting){    //设置参数的初始值    var opts={        method: (setting.method || "GET").toUpperCase(), //请求方式        url: setting.url || "", // 请求地址        async: setting.async || true, // 是否异步        dataType: setting.dataType || "json", // 解析方式        data: setting.data || "", // 参数        success: setting.success || function(){}, // 请求成功回调        error: setting.error || function(){} // 请求失败回调    }    // 参数格式化    function params_format (obj) {        var str = ''        for (var i in obj) {            str += i + '=' + obj[i] + '&'        }        return str.split('').slice(0, -1).join('')    }    // 创建ajax对象    var xhr=new XMLHttpRequest();    // 连接服务器open(方法GET/POST,请求地址, 异步传输)    if(opts.method == 'GET'){        xhr.open(opts.method, opts.url + "?" + params_format(opts.data), opts.async);        xhr.send();    }else{        xhr.open(opts.method, opts.url, opts.async);        xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");        xhr.send(opts.data);    }        /*    ** 每当readyState改变时,就会触发onreadystatechange事件    ** readyState属性存储有XMLHttpRequest的状态信息    ** 0 :请求未初始化    ** 1 :服务器连接已建立    ** 2 :请求已接受    ** 3 : 请求处理中    ** 4 :请求已完成,且相应就绪    */    xhr.onreadystatechange = function() {        if (xhr.readyState === 4 && (xhr.status === 200 || xhr.status === 304)) {            switch(opts.dataType){                case "json":                    var json = JSON.parse(xhr.responseText);                    opts.success(json);                    break;                case "xml":                    opts.success(xhr.responseXML);                    break;                default:                    opts.success(xhr.responseText);                    break;            }        }    }    xhr.onerror = function(err) {        opts.error(err);    }}/** * @param  {url} * @param  {setting} * @return {Promise} */fetch(url, setting) {    //设置参数的初始值    let opts={        method: (setting.method || 'GET').toUpperCase(), //请求方式        headers : setting.headers  || {}, // 请求头设置        credentials : setting.credentials  || true, // 设置cookie是否一起发送        body: setting.body || {},        mode : setting.mode  || 'no-cors', // 可以设置 cors, no-cors, same-origin        redirect : setting.redirect  || 'follow', // follow, error, manual        cache : setting.cache  || 'default' // 设置 cache 模式 (default, reload, no-cache)    }    let dataType = setting.dataType || "json", // 解析方式          data = setting.data || "" // 参数    // 参数格式化    function params_format (obj) {        var str = ''        for (var i in obj) {            str += `${i}=${obj[i]}&`        }        return str.split('').slice(0, -1).join('')    }    if (opts.method === 'GET') {        url = url + (data?`?${params_format(data)}`:'')    }else{        setting.body = data || {}    }    return new Promise( (resolve, reject) => {        fetch(url, opts).then( async res => {            let data = dataType === 'text' ? await res.text() :                dataType === 'blob' ? await res.blob() : await res.json()             resolve(data)        }).catch( e => {            reject(e)        })    })    }
   

7. DOM

  
   
$ (selector){     var type = selector.substring(0, 1);    if (type === '#') {        if (document.querySelecotor) return document.querySelector(selector)            return document.getElementById(selector.substring(1))            }else if (type === '.') {        if (document.querySelecotorAll) return document.querySelectorAll(selector)            return document.getElementsByClassName(selector.substring(1))    }else{        return document['querySelectorAll' ? 'querySelectorAll':'getElementsByTagName'](selector)    }} /*检测类名*/hasClass (ele, name) {    return ele.className.match(new RegExp('(\\s|^)' + name + '(\\s|$)'));}/*添加类名*/addClass (ele, name) {    if (!this.hasClass(ele, name)) ele.className += " " + name;}/*删除类名*/removeClass (ele, name) {    if (this.hasClass(ele, name)) {        var reg = new RegExp('(\\s|^)' + name + '(\\s|$)');        ele.className = ele.className.replace(reg, '');    }}/*替换类名*/replaceClass (ele, newName, oldName) {    this.removeClass(ele, oldName);    this.addClass(ele, newName);}/*获取兄弟节点*/siblings (ele) {    console.log(ele.parentNode)    var chid = ele.parentNode.children,eleMatch = [];     for(var i = 0, len = chid.length; i < len; i ++){         if(chid[i] != ele){             eleMatch.push(chid[i]);         }     }     return eleMatch;}/*获取行间样式属性*/getByStyle (obj,name){    if(obj.currentStyle){        return  obj.currentStyle[name];    }else{        return  getComputedStyle(obj,false)[name];    }}
   

8. Storage 储存操作

  
   
class StorageFn {    constructor () {        this.ls = window.localStorage;        this.ss = window.sessionStorage;    }    /*-----------------cookie---------------------*/    /*设置cookie*/    setCookie (name, value, day) {        var setting = arguments[0];        if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){            for (var i in setting) {                var oDate = new Date();                oDate.setDate(oDate.getDate() + day);                document.cookie = i + '=' + setting[i] + ';expires=' + oDate;            }        }else{            var oDate = new Date();            oDate.setDate(oDate.getDate() + day);            document.cookie = name + '=' + value + ';expires=' + oDate;        }            }    /*获取cookie*/    getCookie (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 (name) {        this.setCookie(name, 1, -1);    }    /*-----------------localStorage---------------------*/    /*设置localStorage*/    setLocal(key, val) {        var setting = arguments[0];        if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){            for(var i in setting){                this.ls.setItem(i, JSON.stringify(setting[i]))            }        }else{            this.ls.setItem(key, JSON.stringify(val))        }            }    /*获取localStorage*/    getLocal(key) {        if (key) return JSON.parse(this.ls.getItem(key))        return null;            }    /*移除localStorage*/    removeLocal(key) {        this.ls.removeItem(key)    }    /*移除所有localStorage*/    clearLocal() {        this.ls.clear()    }    /*-----------------sessionStorage---------------------*/    /*设置sessionStorage*/    setSession(key, val) {        var setting = arguments[0];        if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){            for(var i in setting){                this.ss.setItem(i, JSON.stringify(setting[i]))            }        }else{            this.ss.setItem(key, JSON.stringify(val))        }            }    /*获取sessionStorage*/    getSession(key) {        if (key) return JSON.parse(this.ss.getItem(key))        return null;            }    /*移除sessionStorage*/    removeSession(key) {        this.ss.removeItem(key)    }    /*移除所有sessionStorage*/    clearSession() {        this.ss.clear()    }    }
   

9. Other 其它操作

  
   
/*获取网址参数*/getURL(name){    var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");    var r = decodeURI(window.location.search).substr(1).match(reg);    if(r!=null) return  r[2]; return null;}/*获取全部url参数,并转换成json对象*/getUrlAllParams (url) {    var 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;}/*删除url指定参数,返回url*/delParamsUrl(url, name){    var baseUrl = url.split('?')[0] + '?';    var query = url.split('?')[1];    if (query.indexOf(name)>-1) {        var obj = {}        var arr = query.split("&");        for (var i = 0; i < arr.length; i++) {            arr[i] = arr[i].split("=");            obj[arr[i][0]] = arr[i][1];        };        delete obj[name];        var url = baseUrl + JSON.stringify(obj).replace(/[\"\{\}]/g,"").replace(/\:/g,"=").replace(/\,/g,"&");        return url    }else{        return url;    }}/*获取十六进制随机颜色*/getRandomColor () {    return '#' + (function(h) {        return new Array(7 - h.length).join("0") + h;    })((Math.random() * 0x1000000 << 0).toString(16));}/*图片加载*/imgLoadAll(arr,callback){    var arrImg = [];     for (var i = 0; i < arr.length; i++) {        var img = new Image();        img.src = arr[i];        img.onload = function(){            arrImg.push(this);            if (arrImg.length == arr.length) {                callback && callback();            }        }    }}/*音频加载*/loadAudio(src, callback) {    var audio = new Audio(src);    audio.onloadedmetadata = callback;    audio.src = src;}/*DOM转字符串*/domToStirng(htmlDOM){    var div= document.createElement("div");    div.appendChild(htmlDOM);    return div.innerHTML}/*字符串转DOM*/stringToDom(htmlString){    var div= document.createElement("div");    div.innerHTML=htmlString;    return div.children[0];}/** * 光标所在位置插入字符,并设置光标位置 *  * @param {dom} 输入框 * @param {val} 插入的值 * @param {posLen} 光标位置处在 插入的值的哪个位置 */setCursorPosition (dom,val,posLen) {    var cursorPosition = 0;    if(dom.selectionStart){        cursorPosition = dom.selectionStart;    }    this.insertAtCursor(dom,val);    dom.focus();    console.log(posLen)    dom.setSelectionRange(dom.value.length,cursorPosition + (posLen || val.length));}/*光标所在位置插入字符*/insertAtCursor(dom, val) {    if (document.selection){        dom.focus();        sel = document.selection.createRange();        sel.text = val;        sel.select();    }else if (dom.selectionStart || dom.selectionStart == '0'){        let startPos = dom.selectionStart;        let endPos = dom.selectionEnd;        let restoreTop = dom.scrollTop;        dom.value = dom.value.substring(0, startPos) + val + dom.value.substring(endPos, dom.value.length);        if (restoreTop > 0){            dom.scrollTop = restoreTop;        }        dom.focus();        dom.selectionStart = startPos + val.length;        dom.selectionEnd = startPos + val.length;    } else {        dom.value += val;        dom.focus();    }}
   

CSS

1. pc-reset PC样式初始化

  
   
/* normalize.css */html {  line-height: 1.15;  /* 1 */  -ms-text-size-adjust: 100%;  /* 2 */  -webkit-text-size-adjust: 100%;  /* 2 */}body {  margin: 0;}article,aside,footer,header,nav,section {  display: block;}h1 {  font-size: 2em;  margin: 0.67em 0;}figcaption,figure,main {  /* 1 */  display: block;}figure {  margin: 1em 40px;}hr {  box-sizing: content-box;  /* 1 */  height: 0;  /* 1 */  overflow: visible;  /* 2 */}pre {  font-family: monospace, monospace;  /* 1 */  font-size: 1em;  /* 2 */}a {  background-color: transparent;  /* 1 */  -webkit-text-decoration-skip: objects;  /* 2 */}abbr[title] {  border-bottom: none;  /* 1 */  text-decoration: underline;  /* 2 */  text-decoration: underline dotted;  /* 2 */}b,strong {  font-weight: inherit;}b,strong {  font-weight: bolder;}code,kbd,samp {  font-family: monospace, monospace;  /* 1 */  font-size: 1em;  /* 2 */}dfn {  font-style: italic;}mark {  background-color: #ff0;  color: #000;}small {  font-size: 80%;}sub,sup {  font-size: 75%;  line-height: 0;  position: relative;  vertical-align: baseline;}sub {  bottom: -0.25em;}sup {  top: -0.5em;}audio,video {  display: inline-block;}audio:not([controls]) {  display: none;  height: 0;}img {  border-style: none;}svg:not(:root) {  overflow: hidden;}button,input,optgroup,select,textarea {  font-family: sans-serif;  /* 1 */  font-size: 100%;  /* 1 */  line-height: 1.15;  /* 1 */  margin: 0;  /* 2 */}button,input {  /* 1 */  overflow: visible;}button,select {  /* 1 */  text-transform: none;}button,html [type="button"],/* 1 */[type="reset"],[type="submit"] {  -webkit-appearance: button;  /* 2 */}button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner {  border-style: none;  padding: 0;}button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring {  outline: 1px dotted ButtonText;}fieldset {  padding: 0.35em 0.75em 0.625em;}legend {  box-sizing: border-box;  /* 1 */  color: inherit;  /* 2 */  display: table;  /* 1 */  max-width: 100%;  /* 1 */  padding: 0;  /* 3 */  white-space: normal;  /* 1 */}progress {  display: inline-block;  /* 1 */  vertical-align: baseline;  /* 2 */}textarea {  overflow: auto;}[type="checkbox"],[type="radio"] {  box-sizing: border-box;  /* 1 */  padding: 0;  /* 2 */}[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button {  height: auto;}[type="search"] {  -webkit-appearance: textfield;  /* 1 */  outline-offset: -2px;  /* 2 */}[type="search"]::-webkit-search-cancel-button,[type="search"]::-webkit-search-decoration {  -webkit-appearance: none;} ::-webkit-file-upload-button {  -webkit-appearance: button;  /* 1 */  font: inherit;  /* 2 */}details,/* 1 */menu {  display: block;}summary {  display: list-item;}canvas {  display: inline-block;}template {  display: none;}[hidden] {  display: none;}/* reset */html,body,h1,h2,h3,h4,h5,h6,div,dl,dt,dd,ul,ol,li,p,blockquote,pre,hr,figure,table,caption,th,td,form,fieldset,legend,input,button,textarea,menu {  margin: 0;  padding: 0;  box-sizing: border-box;}
   

2. Phone-reset

  
   
/* normalize.css */html {  line-height: 1.15;  /* 1 */  -ms-text-size-adjust: 100%;  /* 2 */  -webkit-text-size-adjust: 100%;  /* 2 */}body {  margin: 0;}article,aside,footer,header,nav,section {  display: block;}h1 {  font-size: 2em;  margin: 0.67em 0;}figcaption,figure,main {  /* 1 */  display: block;}figure {  margin: 1em 40px;}hr {  box-sizing: content-box;  /* 1 */  height: 0;  /* 1 */  overflow: visible;  /* 2 */}pre {  font-family: monospace, monospace;  /* 1 */  font-size: 1em;  /* 2 */}a {  background-color: transparent;  /* 1 */  -webkit-text-decoration-skip: objects;  /* 2 */}abbr[title] {  border-bottom: none;  /* 1 */  text-decoration: underline;  /* 2 */  text-decoration: underline dotted;  /* 2 */}b,strong {  font-weight: inherit;}b,strong {  font-weight: bolder;}code,kbd,samp {  font-family: monospace, monospace;  /* 1 */  font-size: 1em;  /* 2 */}dfn {  font-style: italic;}mark {  background-color: #ff0;  color: #000;}small {  font-size: 80%;}sub,sup {  font-size: 75%;  line-height: 0;  position: relative;  vertical-align: baseline;}sub {  bottom: -0.25em;}sup {  top: -0.5em;}audio,video {  display: inline-block;}audio:not([controls]) {  display: none;  height: 0;}img {  border-style: none;}svg:not(:root) {  overflow: hidden;}button,input,optgroup,select,textarea {  font-family: sans-serif;  /* 1 */  font-size: 100%;  /* 1 */  line-height: 1.15;  /* 1 */  margin: 0;  /* 2 */}button,input {  /* 1 */  overflow: visible;}button,select {  /* 1 */  text-transform: none;}button,html [type="button"],/* 1 */[type="reset"],[type="submit"] {  -webkit-appearance: button;  /* 2 */}button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner {  border-style: none;  padding: 0;}button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring {  outline: 1px dotted ButtonText;}fieldset {  padding: 0.35em 0.75em 0.625em;}legend {  box-sizing: border-box;  /* 1 */  color: inherit;  /* 2 */  display: table;  /* 1 */  max-width: 100%;  /* 1 */  padding: 0;  /* 3 */  white-space: normal;  /* 1 */}progress {  display: inline-block;  /* 1 */  vertical-align: baseline;  /* 2 */}textarea {  overflow: auto;}[type="checkbox"],[type="radio"] {  box-sizing: border-box;  /* 1 */  padding: 0;  /* 2 */}[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button {  height: auto;}[type="search"] {  -webkit-appearance: textfield;  /* 1 */  outline-offset: -2px;  /* 2 */}[type="search"]::-webkit-search-cancel-button,[type="search"]::-webkit-search-decoration {  -webkit-appearance: none;} ::-webkit-file-upload-button {  -webkit-appearance: button;  /* 1 */  font: inherit;  /* 2 */}details,/* 1 */menu {  display: block;}summary {  display: list-item;}canvas {  display: inline-block;}template {  display: none;}[hidden] {  display: none;}/* reset */html,body,h1,h2,h3,h4,h5,h6,div,dl,dt,dd,ul,ol,li,p,blockquote,pre,hr,figure,table,caption,th,td,form,fieldset,legend,input,button,textarea,menu {  margin: 0;  padding: 0;  box-sizing: border-box;}html,body {  /* 禁止选中文本 */  -webkit-user-select: none;  user-select: none;  font: Oswald, 'Open Sans', Helvetica, Arial, sans-serif}/* 禁止长按链接与图片弹出菜单 */a,img {  -webkit-touch-callout: none;}/*ios android去除自带阴影的样式*/a,input {  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);}input[type="text"] {  -webkit-appearance: none;}
   

3. 公共样式提取

  
   
/* 禁止选中文本 */.usn{    -webkit-user-select:none;    -moz-user-select:none;    -ms-user-select:none;    -o-user-select:none;    user-select:none;}/* 浮动 */.fl { float: left; }.fr { float: right; }.cf { zoom: 1; }.cf:after {    content:".";    display:block;    clear:both;    visibility:hidden;    height:0;    overflow:hidden;}/* 元素类型 */.db { display: block; }.dn { display: none; }.di { display: inline }.dib {display: inline-block;}.transparent { opacity: 0 }/*文字排版、颜色*/.f12 { font-size:12px }.f14 { font-size:14px }.f16 { font-size:16px }.f18 { font-size:18px }.f20 { font-size:20px }.fb { font-weight:bold }.fn { font-weight:normal }.t2 { text-indent:2em }.red,a.red { color:#cc0031 }.darkblue,a.darkblue { color:#039 }.gray,a.gray { color:#878787 }.lh150 { line-height:150% }.lh180 { line-height:180% }.lh200 { line-height:200% }.unl { text-decoration:underline; }.no_unl { text-decoration:none; }.tl { text-align: left; }.tc { text-align: center; }.tr { text-align: right; }.tj { text-align: justify; text-justify: inter-ideograph; }.wn { /* 强制不换行 */    word-wrap:normal;    white-space:nowrap;}.wb { /* 强制换行 */    white-space:normal;    word-wrap:break-word;    word-break:break-all;}.wp { /* 保持空白序列*/    overflow:hidden;text-align:left;white-space:pre-wrap;word-wrap:break-word;word-break:break-all;}.wes { /* 多出部分用省略号表示 , 用于一行 */    overflow:hidden;    word-wrap:normal;    white-space:nowrap;    text-overflow:ellipsis;}.wes-2 { /* 适用于webkit内核和移动端 */    display: -webkit-box;    -webkit-box-orient: vertical;    -webkit-line-clamp: 2;    overflow: hidden;} .wes-3 {    display: -webkit-box;    -webkit-box-orient: vertical;    -webkit-line-clamp: 3;    overflow: hidden;}.wes-4 {    display: -webkit-box;    -webkit-box-orient: vertical;    -webkit-line-clamp: 4;    overflow: hidden;}/* 溢出样式 */.ofh { overflow: hidden; }.ofs {overflow: scroll; }.ofa {overflow: auto; }.ofv {overflow: visible; }/* 定位方式 */.ps {position: static; }.pr {position: relative;zoom:1; }.pa {position: absolute; }.pf {position: fixed; }/* 垂直对齐方式 */.vt {vertical-align: top; }.vm {vertical-align: middle; }.vb {vertical-align: bottom; }/* 鼠标样式 */.csd {cursor: default; }.csp {cursor: pointer; }.csh {cursor: help; }.csm {cursor: move; }/* flex布局 */.df-sb {    display:flex;    align-items: center;    justify-content: space-between;}.df-sa {    display:flex;    align-items: center;    justify-content: space-around;}/* 垂直居中 */.df-c {    display: flex;    align-items: center;    justify-content: center;}.tb-c {    text-align:center;    display:table-cell;    vertical-align:middle;}.ts-c {    position: absolute;    left: 50%; top: 50%;    transform: translate(-50%, -50%);}.ts-mc {    position: absolute;    left: 0;right: 0;    bottom: 0; top: 0;    margin: auto;}/* 辅助 */.mask-fixed-wrapper {    width: 100%;    height: 100%;    position: fixed;    left:0;top:0;    background: rgba(0, 0, 0, 0.65);    z-index: 999;}.bg-cover {    background-size: cover;    background-repeat: no-repeat;    background-position: center center;}.bg-cover-all {    background-size: 100% 100%;    background-repeat: no-repeat;    background-position: center center;}
   

以上都是经常用到的方法

本文作者:咚子

原文链接:http://dzblog.cn/article/5a6f48afad4db304be1e7a5f
版权归作者所有,转载请注明出处

           

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