常用js方法整理common.js
项目中常用js方法整理成了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; } //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); }