常用js方法整理

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; ?} ????//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); ?}