常用js方法整理common.js
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scrollLeft  
    function getPageScrollLeft() {  
        var a = document;  
        return a.documentElement.scrollLeft || a.body.scrollLeft;  
    }  
    //获取页面scrollTop  
    function 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(0511-4405222 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;  
    }   文章来自:http://www.qdfuns.com/notes/17640/7f504524fa5e96f1cf57e230ab5cb27a.html

 
                
            
         
         浙公网安备 33010602011771号
浙公网安备 33010602011771号