项目中常用js方法整理common.js
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);
- }