Code/** * Created by LT on 2013/6/16. * Common.js * 对原生JS对象的扩展 * Object、Array、String、Date、Ajax、Cookie */;(function(){Object.extend =function(targetObj,fnJson){    for(var fnName in fnJson){        targetObj[fnName]=fnJson[fnName];    }    return targetObj;};/** * 对Object的扩展 */Object.extend(Object.prototype,{    values: function() {   // 一个静态方法, 传入一个对象, 返回该对象中所有属性所对应的值, 构成数组返回        var values = [];        for (var property in this) values.push(this[property]); // 将每个属性的值压入到一个数组中        return values;    },    clone: function(object) {    // 一个静态方法, 传入一个对象, 克隆一个新对象并返回        return Object.extend({}, object);    },    getType:function(){        return Object.prototype.toString.call(this).match(/\[object (.*?)\]/)[1].toLowerCase();    },    toJson:function(){        return JSON.stringify(this);    },    serialize:function(){        if(JSON.parse)            return JSON.parse(this);        switch(this.constructor){            case Object:                var str = "{";                for(var o in obj){                    str += ‘"‘+o + ‘"‘+ ":" + Serialize(obj[o]) +",";                }                if(str.substr(str.length-1) == ",")                    str = str.substr(0,str.length -1);                return str + "}";                break;            case Array:                var str = "{";                if(str.substr(str.length-1) == ",") {                    str = str.substr(0, str.length - 1);                }                for(var o in obj){                    str += ‘"‘+o + ‘"‘+ ":"+Serialize(obj[o]) +",";                }                return str + "}";                break;            case Boolean:                return "\"" + obj.toString() + "\"";                break;            case Date:                return "\"" + obj.toString() + "\"";                break;            case Function:                break;            case Number:                return "\"" + obj.toString() + "\"";                break;            case String:                return "\"" + obj.toString() + "\"";                break;        }    }});/** * 对Array的扩展 */Object.extend(Array.prototype,{    clear:function(){        this.length=0;        return this;    },    lastIndexOfArr:function(obj){        if(this.lastIndexOf(obj)){            return this.lastIndexOf(obj);        }else{            this.reverse();            return this.length-1-this.indexOfArr(obj);        }    },    contain:function(obj){        return this.indexOfArr(obj)>-1;    },    insertAt:function(index,obj){        this.splice(index,0,obj);        return this;    },    removeAt:function(index){        this.splice(index,1);        return this;    },    first:function(){        return this[0];    },    indexOfArr:function(obj){        //如果浏览器支持原生的indexOf，则调用原生的方法        if(this.indexOf){            return this.indexOf(obj);        }else{            var i=0;len=this.length;            for(i;i<len;i++){                if(this[i]==obj)                    return i;                return -1;            }        }    },    last:function(){        return this[this.length-1];    },    distinct:function(){        this.sort();        var res=[this[0]];        for(var i = 1; i < this.length; i++)        {            if( this[i] !== res[res.length-1])            {                res.push(this[i]);            }        }        return res;    },    sumNum:function(){        if(this.reduce){            return this.reduce(function(partial,value){                return partial+value;            })        }else{           return eval(arr.join(‘+‘));        }    },    sortNumAsc:function(){        this.sort(function(a,b){            return a-b;        });        return this;    },    sortNumDesc:function(){        this.sort(function(a,b){            return b-a;        });        return this;    },    maxNum:function(){        return this.sortNumAsc()[this.length-1];    },    minNum:function(){        return this.sortNumAsc()[0];    },    toUpperCase:function(){        if(this.map){            return this.map.call(this,function(elem){                return elem.toUpperCase();            })        }else{            return this.toLocaleString().toUpperCase().split(‘,‘);        }    },    toLowerCase:function(){        if(this.map){            return this.map.call(this,function(elem){                return elem.toLowerCase();            })        }else{            return this.toLocaleString().toLowerCase().split(‘,‘);        }    }})/** * 对String的扩展 */Object.extend(String.prototype,{    /*    *使用示例如下    *var s = String.format("S{0}T{1}","n","e");//结果：SnTe    */    format:function(){        var res = arguments[0];        for(var i= 0,len=arguments.length-1; i<len; i++){            var b=new Regexp("\\{"+i+"\\","gm");            res= res.replace(b,arguments[i+1]);        }        return res;    },    append:function(str){        return this.concat(str);    },    leftpad:function(len,str){        if(arguments.length===1) str=‘0‘;        var res = new StringBuilder();        for (var i= 0,c=len-this.length; i<c; i++){            res.append(str);        }        res.append(this);        return res.toString();    },    rightpad:function(len, str){        if(arguments.length===1) str=‘0‘;        var res = new StringBuilder();        res.append(this);        for (var i= 0,c=len-this.length; i<c; i++){            res.append(str);        }        return res.toString();    },    trim:function(){       return this.replace(/(^\s+)|(\s+$)/g,‘‘);    },    ltrim:function(){        return this.replace(/^\s+/g,‘‘);    },    rtrim:function(){        return this.replace(/\s+$/g,‘‘);    },    startWith:function(str,ignorCase){        if(str.length>this.length)return false;        if(ignorCase){            return this.toLowerCase().indexOf(str.toLowerCase())===0;        }else{            return this.indexOf(str)===0;        }    },    endWith:function(str,ignorCase){        if(str.length>this.length)return false;        if(ignorCase){            return this.toLowerCase().lastIndexOf(str.toLowerCase())===this.length-str.length;        }else{            return this.lastIndexOf(str)===this.length-str.length;        }    },    removeCharAt:function(index){        if (index < 0 || index >= this.length) {            return this.valueOf();        }        else if (index == 0) {            return this.substring(1, this.length);        }        else if (index == this.length - 1) {            return this.substring(0, this.length - 1);        }        else {            return this.substring(0, index) + this.substring(index + 1);        }    },    removeStr:function(start,end){        if (start == end) {            return this.deleteCharAt(start);        }        else {            if (start > end) {                var temp = start;                start = end;                end = temp;            }            if (start < 0) {                start = 0;            }            if (end > this.length - 1) {                end = this.length - 1;            }            return this.substring(0, start) + this.substring(end +1 , this.length);        }    },    equalIgnoreCase:function(str){        return this.toLowerCase()===str.toLowerCase();    },    insertAfter:function(index,str){        return this.slice(0,index+1)+str+this.slice(index+1);    },    insertBefore:function(index,str){        return this.slice(0,index)+str+this.slice(index);    },    isAllNumber:function(){        for (var i = 0; i < this.length; i++) {            if (this.charAt(i) < ‘0‘ || this.charAt(i) > ‘9‘) {                return false;            }        }        return true;    },    isInt:function(){        return /^[1-9]\d$/.test(this);    },    isNullOrEmpty:function(){        if(this===null||this.trim()===""){            return true;        }        return false;    },    isPhoneNum:function(){        var pattern = /^0{0,1}(13[0-9]|14[6|7]|15[0-3]|15[5-9]|18[0-3]|18[5-9])[0-9]{8}$/;        return pattern.test(this);    },    getCharLength:function(){        var temp = 0;        for (var i = 0; i < this.length; i++) {            if (this.charCodeAt(i) > 255) {                temp += 2;            }            else {                temp += 1;            }        }        return temp;    },    getNum:function(){        return this.replace(/[^d]/g, "");    },    getEn:function(){        return this.replace(/[^A-Za-z]/g, "");    },    getCn:function(){        return this.replace(/[^u4e00-u9fa5uf900-ufa2d]/g, "");    },    left:function(n){        return this.slice(0, n);    },    right:function(n){        return this.slice(this.length - n);    },    encodeHTML:function(){        if(this.isNullOrEmpty()) return this;        var str = this;        str=str.replace(/&/g,"&amp;");        str=str.replace(/</g,"&lt;");        str=str.replace(/>/g,"&gt;");        str=str.replace(/\‘/g,"&apos;");        str=str.replace(/\"/g,"&quot;");        str=str.replace(/\t/g,"&nbsp;&nbsp;&nbsp;&nbsp;");        str=str.replace(/\s+/g," ");        str=str.replace(/\s/g,"&nbsp;");        str=str.replace(/\n/g,"&BR");        return str;    },    decodeHTML:function(){        if(this.isNullOrEmpty()) return this;        var str = this;        str=str.replace(/&amp;/g,"&");        str=str.replace(/&lt;/g,"<");        str=str.replace(/&gt;/g,">");        str=str.replace(/&apos;/g,"\‘");        str=str.replace(/&quot;/g,"\"");        str=str.replace(/&nbsp;&nbsp;&nbsp;&nbsp;/g,"\t");        str=str.replace(/&nbsp;/g," ");        str=str.replace(/&BR/g,"\r\n");        return str;    },    truncate:function(len,str){        if(this.length<=len){            return this;        }else{            return this.substring(0,len)+str;        }    },    getUrlQuery:function(name){        var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");        var r = this.substr(this.indexOf("\?") + 1).match(reg);        if (r != null) return unescape(r[2]);        return null;    },    appendUrlPram:function(name,val){        var index = this.indexOf(name + ‘=‘);        if (index > 0) {            var endPos = this.indexOf(‘&‘, index);            if (endPos > index) return this.replace(‘/‘ + this.substr(index, endPos - index) + ‘/‘, name + ‘=‘ + val);            else return this.substr(0, index) + name + ‘=‘ + val;        }        else return this.indexOf(‘?‘) > 0 ? (this + ‘&‘ + name + ‘=‘ + val) : (this + ‘?‘ + name + ‘=‘ + val);    }});/** * 添加StringBuilder类，提高对字符串操作的效率 */function StringBuilder(str){    this._strings= new Array();    this.append(str);}Object.extend(StringBuilder.prototype,{    append:function(str){        this._strings.push(a);        return this;    },    toString:function(){        var a = (arguments.length==0)?"":arguments[0];        return this._strings.join(a);    }});/** * 对Date的扩展方法 */Object.extend(Date.prototype,{    format:function(formatStr){        var o = {            ‘M+‘:this.getMonth()+1,//月            ‘d+‘:this.getDate(),//日            ‘h+‘:this.getHours(),//小时            ‘m+‘:this.getMinutes(),//分            ‘s+‘:this.getSeconds(),//秒            ‘q+‘:Math.floor((this.getMonth()+3)/3),//季度            ‘S‘:this.getMilliseconds() //毫秒        }        if(/(y+)/.test(formatStr)){            formatStr = formatStr.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));        }        for(var k in o){            if (new RegExp("(" + k + ")").test(fomartStr))                formatStr = formatStr.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));            return formatStr;        }    },    addDays:function(num){        this.setDate(this.getDate+num);        return this;    },    addWeeks:function(num){        return this.addDays(num*7);    },    addMonths:function(num){        var d = this.getDate();        this.setMonth(this.getMonth()+num);        if(this.getDate<d){            this.setDate(0);        }        return this;    },    addYears:function(num){        var m = this.getMonth();        this.setFullYear(this.getFullYear()+num);        if(m<this.getMonth()){            this.setDate(0);        }        return this;    },    isValiDate:function(dateStr,formatStr){        if(!dateStr){            return false;        }        if(!formatStr){            formatStr = "yyyy-MM-dd";//默认格式：yyyy-MM-dd        }        if(dateStr.length!=formatStr.length){            return false;        }else{            if(formatStr=="yyyy-MM-dd"||formatStr=="YYYY-MM-DD"){                var r1=/^(((((([02468][048])|([13579][26]))(00))|(d{2}(([02468][48])|([13579][26]))))-((((0[13578])|(1[02]))-(([0-2][0-9])|(3[01])))|(((0[469])|(11))-(([0-2][0-9])|(30)))|(02-([0-2][0-9]))))|(d{2}(([02468][1235679])|([13579][01345789]))-((((0[13578])|(1[02]))-(([0-2][0-9])|(3[01])))|(((0[469])|(11))-(([0-2][0-9])|(30)))|(02-(([0-1][0-9])|(2[0-8]))))))$/;                return r1.test(dateStr);            }else if(formatStr=="yyyy/MM/dd"||formatStr=="YYYY/MM/DD"){                var r2=/^(((((([02468][048])|([13579][26]))(00))|(d{2}(([02468][48])|([13579][26]))))\/((((0[13578])|(1[02]))\/(([0-2][0-9])|(3[01])))|(((0[469])|(11))\/(([0-2][0-9])|(30)))|(02\/([0-2][0-9]))))|(d{2}(([02468][1235679])|([13579][01345789]))\/((((0[13578])|(1[02]))\/(([0-2][0-9])|(3[01])))|(((0[469])|(11))\/(([0-2][0-9])|(30)))|(02\/(([0-1][0-9])|(2[0-8]))))))$/;                return r2.test(dateStr);            }else if(formatStr=="MM-dd-yyyy"||formatStr=="MM-DD-YYYY"){                var r3=/^((((((0[13578])|(1[02]))-(([0-2][0-9])|(3[01])))|(((0[469])|(11))-(([0-2][0-9])|(30)))|(02-([0-2][0-9])))-(((([02468][048])|([13579][26]))(00))|(d{2}(([02468][48])|([13579][26])))))|(((((0[13578])|(1[02]))-(([0-2][0-9])|(3[01])))|(((0[469])|(11))-(([0-2][0-9])|(30)))|(02-(([0-1][0-9])|(2[0-8])))))-d{2}(([02468][1235679])|([13579][01345789])))$/;                return r3.test(dateStr);            }else if(formatStr=="MM/dd/yyyy"||formatStr=="MM/DD/YYYY"){                var r4=/^((((((0[13578])|(1[02]))\/(([0-2][0-9])|(3[01])))|(((0[469])|(11))\/(([0-2][0-9])|(30)))|(02\/([0-2][0-9])))\/(((([02468][048])|([13579][26]))(00))|(d{2}(([02468][48])|([13579][26])))))|(((((0[13578])|(1[02]))\/(([0-2][0-9])|(3[01])))|(((0[469])|(11))\/(([0-2][0-9])|(30)))|(02\/(([0-1][0-9])|(2[0-8])))))\/d{2}(([02468][1235679])|([13579][01345789])))$/;                return r4.test(dateStr);            }else{//                throw  new Error(‘日期格式不正确‘);                return false;            }        }        return false;    },    isValiTime:function(timeStr, formatStr){        if(!timeStr){            return false;        }        if(!formatStr){            formatStr = "hh:mm:ss";//默认格式：hh:mm:ss        }        if(timeStr.length!=formatStr.length){            return false;        }else{            if(formatStr=="hh:mm:ss"){                var r1=/^(([0-1][0-9])|(2[0-3])):([0-5][0-9]):([0-5][0-9])$/;                return r1.test(timeStr);            }else if(formatStr=="hh-mm-ss"){                var r2=/^(([0-1][0-9])|(2[0-3]))-([0-5][0-9])-([0-5][0-9])$/;                return r2.test(timeStr);            }else if(formatStr=="hh/mm/ss"){                var r3=/^(([0-1][0-9])|(2[0-3]))\/([0-5][0-9])\/([0-5][0-9])$/;                return r3.test(timeStr);            }else{//                throw  new Error("时间格式不正确！");                return false;            }        }        return false;    },    isValiDateTime:function(dateTimeStr){        var dateTimeReg=/^(((((([02468][048])|([13579][26]))(00))|(d{2}(([02468][48])|([13579][26]))))-((((0[13578])|(1[02]))-(([0-2][0-9])|(3[01])))|(((0[469])|(11))-(([0-2][0-9])|(30)))|(02-([0-2][0-9]))))|(d{2}(([02468][1235679])|([13579][01345789]))-((((0[13578])|(1[02]))-(([0-2][0-9])|(3[01])))|(((0[469])|(11))-(([0-2][0-9])|(30)))|(02-(([0-1][0-9])|(2[0-8]))))))(s{1}(([0-1][0-9])|(2[0-3])):([0-5][0-9]):([0-5][0-9]))?$/        return dateTimeReg.test(dateTimeStr);    },    isLeapYear:function(){        return (this.getYear()%4==0&&((this.getYear()!=0)||(this.getYear()%400==0)));    },    daysBetween:function(dateOne,dateTwo){        if((dateOne instanceof Date)==false||(dateTwo instanceof Date)==false){            return 0;        }else{            return Math.abs(Math.floor((dateOne.getTime()-dateTwo.getTime())/1000/60/60/24));        }    },    dateDiff:function(dtEnd, field){        var dtStart = this;        if((dtEnd instanceof Date)==false){            return 0;        }else{            if(!field){                field = "d";            }            switch(field){                case ‘Y‘:                case ‘y‘:return dtEnd.getFullYear() - dtStart.getFullYear();break;                case ‘M‘:return (dtEnd.getMonth()+1)+((dtEnd.getFullYear()-dtStart.getFullYear())*12) - (dtStart.getMonth()+1);break;                case ‘W‘:                case ‘w‘:return parseInt((dtEnd - dtStart) / (86400000 * 7));break;                case ‘D‘:                case ‘d‘:return parseInt((dtEnd - dtStart) / 86400000);break;                case ‘H‘:                case ‘h‘:return parseInt((dtEnd - dtStart) / 3600000);break;                case ‘m‘:return parseInt((dtEnd - dtStart) / 60000);break;                case ‘S‘:                case ‘s‘:return parseInt((dtEnd - dtStart) / 1000);break;                default: return 0;            }            return 0;        }    },    toArray:function(){        var myArray = new Array();        myArray[0] = this.getFullYear();        myArray[1] = this.getMonth();        myArray[2] = this.getDate();        myArray[3] = this.getHours();        myArray[4] = this.getMinutes();        myArray[5] = this.getSeconds();        return myArray;    },    datePart:function(field){        if(!field){            field = "d";        }        var Week = [‘日‘,‘一‘,‘二‘,‘三‘,‘四‘,‘五‘,‘六‘];        switch (field){            case ‘Y‘ :            case ‘y‘ :return this.getFullYear();break;            case ‘M‘ :return (this.getMonth()+1);break;            case ‘W‘ :            case ‘w‘ :return Week[this.getDay()];break;            case ‘D‘ :            case ‘d‘ :return this.getDate();break;            case ‘H‘ :            case ‘h‘ :return this.getHours();break;            case ‘m‘ :return this.getMinutes();break;            case ‘s‘ :return this.getSeconds();break;            default:return this.getDate();        }        return this.getDate();    }});/** * 对ajax的扩展 * 调用示例： * new HttpAjax({        type:"get",        url:"testAjax.php",        data:{"name":‘Jack‘},        success:function(data){            console.log(data);        },        failure:function(data){            console.log(data);        },        isAsyn:false    }); */HttpAjax = (function(){    function HttpAjax(options){        var settings={            type:‘post‘,        //请求类型            url:‘‘,             //请求地址            data:{"id":-1},     //json格式的参数            success:function(){},//成功的回调函数            failure:function(){},//失败的回调函数            isAsyn:true           //是否为异步        };        this.options = Object.extend(settings,options);        Object.extend(HttpAjax.prototype,{            _createXhr:function(){                if (typeof XMLHttpRequest !== ‘undefined‘) {                    return new XMLHttpRequest();                }                else if (typeof ActiveXObject !== ‘undefined‘) {                    var versions = [‘MSXML2.XMLHttp.6.0‘, ‘MSXML2.XMLHttp.3.0‘, ‘MSXML2.XMLHttp‘];                    for (var i = 0, len = versions.length; i < len; i++) {                        try {                            var xhr = new ActiveXObject(versions[i]);                            this.IsCreateOk = versions[i];                            return xhr;                        }                        catch (e) { }                    }                    if (typeof this.IsCreateOk === ‘undefined‘) {                        throw new Error("您的浏览器版本过低，无法创建异步对象，请升级您的浏览器！");                    }                }            },            _encodeData:function(paramters){                var data = http://www.mamicode.com/[];"color: #0000ff">for (var name in paramters) {                    //将数组中的数据以=拼接后再添加到data数组中 [name=aa,age=11]                    var _regesp = /%20/g; //空格的正则表达式                    var _value = http://www.mamicode.com/paramters[name].toString(); //获取值                    data.push(encodeURIComponent(name).replace(_regesp, ‘+‘) + "=" + encodeURIComponent(_value).replace(_regesp, ‘+‘));                }                //以&将数组元素拼接后返回 如：name=aa&age=11                return data.join("&");            },            _regCallback:function(xhr){                var _this=this;                xhr.onreadystatechange = function(){                    if (xhr.readyState == 4) {                        if (xhr.status >= 200 && xhr.status < 300 || xhr.status == 300) {                            _this.options.success(_this._getResponseData(xhr), xhr.statusText);                        } else {                            _this.options.failure(xhr.status, xhr.statusText);                        }                    }                }            },            _getResponseData:function(xhr){                var responseType = xhr.getResponseHeader("Content-Type");                switch (responseType) {                    case ‘text/xml‘:                        return xhr.responseXML;                    case ‘text/json‘:                    case ‘text/javascript‘:                    case ‘application/javascript‘:                    case ‘application/x-javascript‘:                        return eval(‘(‘ + xhr.responseText + ‘)‘);                    default:                        return xhr.responseText;                };            },            _init:function(options){                this.options=options;                if(this.options.url=="") return;                this.xhr = this._createXhr();//创建异步对象                this._regCallback(this.xhr);//注册回调事件                //根据请求类型，发送异步请求                if(this.options.type.toLowerCase()=="post"){                    this._post(this.xhr);                }                else{                    this._get(this.xhr);                }            },            _post:function(xhr){                this.xhr=xhr;                this.data=http://www.mamicode.com/this._encodeData(this.options.data);                this.url=this.options.url+"?d=" + parseInt(Math.random()*100+1,10);                this.asyn=!!this.options.isAsyn;                xhr.open("POST", this.url, this.asyn);                xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");                xhr.send(this.data);            },            _get:function(xhr){                this.xhr=xhr;                this.data=http://www.mamicode.com/this._encodeData(this.options.data);                this.url=this.options.url+‘?‘ + this.data + ‘&d=‘ + parseInt(Math.random()*100+1,10);                this.asyn=!!this.options.isAsyn;                xhr.open(‘GET‘, this.url, this.asyn);                xhr.send(null);            }        });        this._init(this.options);    };    return HttpAjax;})(window);/** * 对cookie的扩展 */Object.extend(Document.cookie.prototype,{    setCookie:function(name,value,days){        var d = new Date();        d.setDate(d.getDate()+days);        document.cookie=name+‘=‘+value+‘;expires‘+d;    },    getCookie:function(name){        var arr = document.cookie.split(‘,‘);        for(var i= 0,len=arr.length; i<len; i++){            var keyV = arr[i].split(‘=‘);           if(keyV[0]==name){               return keyV[1];           }        }        return ‘‘;    },    removeCookie:function(name){        setCookie(name,‘‘,-1);    }});})(window)