项目中常用js方法整理common.js

原文出处：http://blog.csdn.net/sweetsuzyhyf/article/details/41309863

抽空把项目中常用js方法整理成了common.js，都是网上搜集而来的，大家一起分享吧。

var h = {};h.get = function (url, data, ok, error) {    $.ajax({        url: url,        data: data,        dataType: 'json',        success: ok,        error: error    });}h.post = function (url, data, ok, error) {    $.ajax({        url: url,        data: data,        type: 'post',        dataType: 'json',        success: ok,        error: error    });}//获取url参数h.url = function (url) {    if (!url) {        url = location.search.substring(1);    } else {        url = url.substr(url.indexOf('?') + 1);    }    var args = new Object();   // 声明并初始化一个 "类"    // 获得地址(URL)"?"后面的字符串.    var query = decodeURI(url);    var pairs = query.split("&");  // 分割URL(别忘了'&'是用来连接下一个参数)    for (var i = 0; i < pairs.length; i++) {        var pos = pairs[i].indexOf('=');        if (pos == -1) continue; // 它在找有等号的 数组[i]        var argname = pairs[i].substring(0, pos); // 参数名字        var value = pairs[i].substring(pos + 1);  // 参数值        // 以键值对的形式存放到"args"对象中        args[argname] = decodeURI(value);    }    return args;}// 返回字符串的实际长度, 一个汉字算2个长度 String.prototype.strlen = function () {    return this.replace(/[^\x00-\xff]/g, "**").length;}//字符串超出省略String.prototype.cutstr = function (len) {    var restr = this;    var wlength = this.replace(/[^\x00-\xff]/g, "**").length;    if (wlength > len) {        for (var k = len / 2; k < this.length; k++) {            if (this.substr(0, k).replace(/[^\x00-\xff]/g, "**").length >= len) {                restr = this.substr(0, k) + "...";                break;            }        }    }    return restr;}//替换全部String.prototype.replaceAll = function (s1, s2) {    return this.replace(new RegExp(s1, "gm"), s2)}//字符串去空格String.prototype.trim = function () {    return this.replace(/(^\s*)|(\s*$)/g, "");}String.prototype.trimAll = function () {    return this.replace(/\s+/g, "");}String.prototype.lTrim = function () {    return this.replace(/(^\s*)/g, "");}String.prototype.rTrim = function () {    return this.replace(/(\s*$)/g, "");}//判断是否以某个字符串开头String.prototype.startWith = function (s) {    return this.indexOf(s) == 0}//判断是否以某个字符串结束String.prototype.endWith = function (s) {    var d = this.length - s.length;    return (d >= 0 && this.lastIndexOf(s) == d)}//删除数组中存在重复的元素function getUnique(someArray) {    tempArray = someArray.slice(0); //复制数组到临时数组    for (var i = 0; i < tempArray.length; i++) {        for (var j = i + 1; j < tempArray.length;) {            if (tempArray[j] == tempArray[i])                //后面的元素若和待比较的相同，则删除并计数；                //删除后，后面的元素会自动提前，所以指针j不移动            {                tempArray.splice(j, 1);            }            else {                j++;            }            //不同，则指针移动        }    }    return tempArray;}//判断数组中是否存在重复的元素function confirmRepeat(someArray) {    tempArray = someArray.slice(0); //复制数组到临时数组    for (var i = 0; i < tempArray.length; i++) {        for (var j = i + 1; j < tempArray.length;) {            if (tempArray[j] == tempArray[i])                //后面的元素若和待比较的相同，则删除并计数；                //删除后，后面的元素会自动提前，所以指针j不移动            {                return true;            }            else {                j++;            }            //不同，则指针移动        }    }    return false;}//判断某个值是否在数组中Array.prototype.in_array = function (e) {    for (i = 0; i < this.length; i++) {        if (this[i] == e)            return true;    }    return false;}//判断某个值在数组中的位置Array.prototype.indexOf = function (e) {    for (i = 0; i < this.length; i++) {        if (this[i] == e)            return i;    }    return -1;}//转义html标签function HtmlEncode(text) {    return text.replace(/&/g, '&').replace(/\"/g, '"').replace(/</g, '<').replace(/>/g, '>')}//格式化日期 DateFormat('yyyy_MM_dd hh:mm:ss:SS 星期w 第q季度')function DateFormat(format, date) {    if (!date) {        date = new Date();    }    var Week = ['日', '一', '二', '三', '四', '五', '六'];    var o = {        "y+": date.getYear(), //year        "M+": date.getMonth() + 1, //month         "d+": date.getDate(), //day         "h+": date.getHours(), //hour         "H+": date.getHours(), //hour        "m+": date.getMinutes(), //minute         "s+": date.getSeconds(), //second         "q+": Math.floor((date.getMonth() + 3) / 3), //quarter         "S": date.getMilliseconds(), //millisecond         "w": Week[date.getDay()]    }    if (/(y+)/.test(format)) {        format = format.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));    }    for (var k in o) {        if (new RegExp("(" + k + ")").test(format)) {            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));        }    }    return format;}//设置cookie值function setCookie(name, value, Hours) {    var d = new Date();    var offset = 8;    var utc = d.getTime() + (d.getTimezoneOffset() * 60000);    var nd = utc + (3600000 * offset);    var exp = new Date(nd);    exp.setTime(exp.getTime() + Hours * 60 * 60 * 1000);    document.cookie = name + "=" + escape(value) + ";path=/;expires=" + exp.toGMTString() + ";domain=360doc.com;"}//获取cookie值function getCookie(name) {    var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));    if (arr != null) return unescape(arr[2]);    return null}//加入收藏夹function AddFavorite(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")        }    }}//设为首页function setHomepage(homeurl) {    if (document.all) {        document.body.style.behavior = 'url(#default#homepage)';        document.body.setHomePage(homeurl)    } else if (window.sidebar) {        if (window.netscape) {            try {                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect")            } catch (e) {                alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入about:config,然后将项 signed.applets.codebase_principal_support 值该为true");            }        }        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);        prefs.setCharPref('browser.startup.homepage', homeurl)    }}//跨浏览器绑定事件function addEventSamp(obj, evt, fn) {    if (!oTarget) { return; }    if (obj.addEventListener) {        obj.addEventListener(evt, fn, false);    } else if (obj.attachEvent) {        obj.attachEvent('on' + evt, fn);    } else {        oTarget["on" + sEvtType] = fn;    }}//跨浏览器删除事件function delEvt(obj, evt, fn) {    if (!obj) { return; }    if (obj.addEventListener) {        obj.addEventListener(evt, fn, false);    } else if (oTarget.attachEvent) {        obj.attachEvent("on" + evt, fn);    } else {        obj["on" + evt] = fn;    }}//判断是否移动设备访问function isMobileUserAgent() {    return (/iphone|ipod|android.*mobile|windows.*phone|blackberry.*mobile/i.test(window.navigator.userAgent.toLowerCase()));}//完美判断是否为网址function IsURL(strUrl) {    var regular = /^\b(((https?|ftp):\/\/)?[-a-z0-9]+(\.[-a-z0-9]+)*\.(?:com|edu|gov|int|mil|net|org|biz|info|name|museum|asia|coop|aero|[a-z][a-z]|((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]\d)|\d))\b(\/[-a-z0-9_:\@&?=+,.!\/~%\$]*)?)$/i    if (regular.test(strUrl)) {        return true;    } else {        return false;    }}//获取页面高度function getPageHeight() {    var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat" ? a : g.documentElement;    return Math.max(f.scrollHeight, a.scrollHeight, d.clientHeight);}//获取页面宽度function getPageWidth() {    var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat" ? a : g.documentElement;    return Math.max(f.scrollWidth, a.scrollWidth, d.clientWidth);}//获取页面可视宽度function getPageViewWidth() {    var d = document, a = d.compatMode == "BackCompat"                    ? d.body                    : d.documentElement;    return a.clientWidth;}//获取页面可视高度function getPageViewHeight() {    var d = document, a = d.compatMode == "BackCompat"                    ? d.body                    : d.documentElement;    return a.clientHeight;}//获取页面scrollLeftfunction getPageScrollLeft() {    var a = document;    return a.documentElement.scrollLeft || a.body.scrollLeft;}//获取页面scrollTopfunction getPageScrollTop() {    var a = document;    return a.documentElement.scrollTop || a.body.scrollTop;}//获取窗体可见范围的宽与高function getViewSize() {    var de = document.documentElement;    var db = document.body;    var viewW = de.clientWidth == 0 ? db.clientWidth : de.clientWidth;    var viewH = de.clientHeight == 0 ? db.clientHeight : de.clientHeight;    return Array(viewW, viewH);}//随机数时间戳function uniqueId() {    var a = Math.random, b = parseInt;    return Number(new Date()).toString() + b(10 * a()) + b(10 * a()) + b(10 * a());}//获取网页被卷去的位置function getScrollXY() {    return document.body.scrollTop ? {        x: document.body.scrollLeft,        y: document.body.scrollTop    } : {        x: document.documentElement.scrollLeft,        y: document.documentElement.scrollTop    }}//匹配国内电话号码[phone] 或 021-87888822) function istell(str) {    var result = str.match(/\d{3}-\d{8}|\d{4}-\d{7}/);    if (result == null) return false;    return true;}//匹配身份证(15位或18位) function isidcard(str) {    var result = str.match(/\d{15}|\d{18}/);    if (result == null) return false;    return true;}//移动电话function checkMobile(str) {    if (!(/^1[3|5|8][0-9]\d{4,8}$/.test(str))) {        return false;    }    return true;}// 判断输入是否是一个由 0-9 / A-Z / a-z 组成的字符串 function isalphanumber(str) {    var result = str.match(/^[a-zA-Z0-9]+$/);    if (result == null) return false;    return true;}// 判断输入是否是有效的电子邮件 function isemail(str) {    var result = str.match(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/);    if (result == null) return false;    return true;}//金额大写转换函数 transform('123431233132.23')function transform(tranvalue) {    try {        var i = 1;        var dw2 = new Array("", "万", "亿"); //大单位        var dw1 = new Array("拾", "佰", "仟"); //小单位        var dw = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"); //整数部分用        //以下是小写转换成大写显示在合计大写的文本框中             //分离整数与小数        var source = splits(tranvalue);        var num = source[0];        var dig = source[1];        //转换整数部分        var k1 = 0; //计小单位        var k2 = 0; //计大单位        var sum = 0;        var str = "";        var len = source[0].length; //整数的长度        for (i = 1; i <= len; i++) {            var n = source[0].charAt(len - i); //取得某个位数上的数字            var bn = 0;            if (len - i - 1 >= 0) {                bn = source[0].charAt(len - i - 1); //取得某个位数前一位上的数字            }            sum = sum + Number(n);            if (sum != 0) {                str = dw[Number(n)].concat(str); //取得该数字对应的大写数字，并插入到str字符串的前面                if (n == '0') sum = 0;            }            if (len - i - 1 >= 0) { //在数字范围内                if (k1 != 3) { //加小单位                    if (bn != 0) {                        str = dw1[k1].concat(str);                    }                    k1++;                } else { //不加小单位，加大单位                    k1 = 0;                    var temp = str.charAt(0);                    if (temp == "万" || temp == "亿") //若大单位前没有数字则舍去大单位                        str = str.substr(1, str.length - 1);                    str = dw2[k2].concat(str);                    sum = 0;                }            }            if (k1 == 3) { //小单位到千则大单位进一                k2++;            }        }        //转换小数部分        var strdig = "";        if (dig != "") {            var n = dig.charAt(0);            if (n != 0) {                strdig += dw[Number(n)] + "角"; //加数字            }            var n = dig.charAt(1);            if (n != 0) {                strdig += dw[Number(n)] + "分"; //加数字            }        }        str += "元" + strdig;    } catch (e) {        return "0元";    }    return str;}//拆分整数与小数function splits(tranvalue) {    var value = new Array('', '');    temp = tranvalue.split(".");    for (var i = 0; i < temp.length; i++) {        value = temp;    }    return value;}//格式化数字function number_format(number, decimals, dec_point, thousands_sep) {    /*    * 参数说明：    * number：要格式化的数字    * decimals：保留几位小数    * dec_point：小数点符号    * thousands_sep：千分位符号    * */    number = (number + '').replace(/[^0-9+-Ee.]/g, '');    var n = !isFinite(+number) ? 0 : +number,        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,        dec = (typeof dec_point === 'undefined') ? '.' : dec_point,        s = '',        toFixedFix = function (n, prec) {            var k = Math.pow(10, prec);            return '' + Math.ceil(n * k) / k;        };    s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');    var re = /(-?\d+)(\d{3})/;    while (re.test(s[0])) {        s[0] = s[0].replace(re, "$1" + sep + "$2");    }    if ((s[1] || '').length < prec) {        s[1] = s[1] || '';        s[1] += new Array(prec - s[1].length + 1).join('0');    }    return s.join(dec);}