Javascript在项目开发中的常用方法

/*** 文件描述:js项目开发中的常用方法工具**//*** 全局常量*/var DEFAULT_LINE_KEY = 0;var DIS_PRECISION_NUM = 3;//距离精度位数var UntilCommon = {};//公共函数对象var MAX_KEYCODE_TIMELEN = 40;//输入间隔/*** 功能:对Date的扩展，将 Date 转化为指定格式的String* @param fmt 格式化字符串("yyyy-MM-dd hh:mm:ss.S")* @return 格式化后的日期字符串;*/Date.prototype.Format = function(fmt){var o = {"M+" : this.getMonth()+1, //月份"d+" : this.getDate(), //日"h+" : this.getHours(), //小时"m+" : this.getMinutes(), //分"s+" : this.getSeconds(), //秒"q+" : Math.floor((this.getMonth()+3)/3), //季度"S" : this.getMilliseconds() //毫秒};if(/(y+)/.test(fmt))fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 – RegExp.$1.length));for(var k in o)if(new RegExp("("+ k +")").test(fmt))fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));return fmt;};//function getLocalTime(nS, len) { return new Date(parseInt(nS)*len).Format("yyyy-MM-dd hh:mm:ss");}/*** 功能:String对象替转Date类型* @param strDate 被转字符串* @return 日期对象;* */UntilCommon.StringToDate = function(strDate){//因之前在数据库中的类型为2008-04-02 10:08:44,必须转化为2008/04/02 10:08:44格式才能实例化Date对象var strTemp=strDate.toString();strTemp = strTemp.replace(/-/g,"/");var dDate = new Date(strTemp);return dDate;};/*** 功能:增加String对象替换全部字符串方法* @param reallyDo 被替换字符串* @param replaceWith 替换成目标字符串* @param ignoreCase 是否忽略大小写* @return 替换完成字符串;*/String.prototype.replaceAll = function(reallyDo, replaceWith, ignoreCase) { if (!RegExp.prototype.isPrototypeOf(reallyDo)) { return this.replace(new RegExp(reallyDo, (ignoreCase ? "gi": "g")), replaceWith); } else { return this.replace(reallyDo, replaceWith); }};/****/UntilCommon.GetFileSuffix = function(filename){var result = "";try{var start=filename.lastIndexOf(".")+1;var end=filename.length; result=filename.substring(start,end);//后缀名}catch(e){result = "";}return result.toLowerCase();};/*** 功能: 获取浏览器类型* @return 浏览器类型名称;*/UntilCommon.getOs= function() { if(navigator.userAgent.indexOf("MSIE")>0) { return "MSIE"; } if(isFirefox=navigator.userAgent.indexOf("Firefox")>0) { return "Firefox"; } if(isSafari=navigator.userAgent.indexOf("Safari")>0) { return "Safari"; } if(isCamino=navigator.userAgent.indexOf("Camino")>0) { return "Camino"; } if(isMozilla=navigator.userAgent.indexOf("Gecko/")>0) { return "Gecko"; } };/*** 功能: 获取IE版本* @return IE的版本号;*/UntilCommon.GetversionIE= function(){var browser=navigator.appName;if(browser!="Microsoft Internet Explorer" ){return -1;}var b_version=navigator.appVersion;var version=b_version.split(";");var trim_Version=version[1].replace(/[ ]/g,"");if(trim_Version=="MSIE6.0"){ return 6;}else if(trim_Version=="MSIE7.0"){return 7;}else if(trim_Version=="MSIE8.0"){return 8;}else if(trim_Version=="MSIE9.0"){return 9;}else if(trim_Version=="MSIE10.0"){return 10;}return 11;};/*** 功能: 绑定页面大小改变执行函数* @param fn 回调函数*/UntilCommon.BindOnReSize=function (fn){window.onresize=fn;};/*** 功能: 关闭页面鼠标选中页面数据功能*/UntilCommon.disSelectBrowser = function(){var browserType = UntilCommon.getOs();//防止出现点击蓝色区域 IE和谷歌支持，，火狐在css设置 -moz-user-select: none;if((browserType == "MSIE")||(browserType == "Safari"))//ie&chrome{ document.onselectstart=function(){return false;};}};/*** 功能: 进入全屏*/UntilCommon.FullScreen = function (){try{var docElm = document.documentElement;//W3C if (docElm.requestFullscreen){ docElm.requestFullscreen(); }//FireFox else if (docElm.mozRequestFullScreen){ docElm.mozRequestFullScreen(); }//Chrome等 else if (docElm.webkitRequestFullScreen){ docElm.webkitRequestFullScreen(); }//IE11else if (elem.msRequestFullscreen){ elem.msRequestFullscreen();}}catch(e){console.log(e);if (typeof window.ActiveXObject != "undefined"){ // for Internet Explorer var wscript = new ActiveXObject("WScript.Shell"); if (wscript != null) { wscript.SendKeys("{F11}"); }}} finally{}};/*** 功能: 取消全屏进入全屏*/UntilCommon.ExitFullScreen =function (){try{var browserNum = UntilCommon.GetversionIE();if( browserNum>-1 && browserNum< 10){if (typeof window.ActiveXObject != "undefined"){var wscript = new ActiveXObject("WScript.Shell"); if (wscript != null) { wscript.SendKeys("{F11}"); }}}else if (document.exitFullscreen){ document.exitFullscreen(); } else if (document.mozCancelFullScreen){ document.mozCancelFullScreen(); } else if (document.webkitCancelFullScreen){ document.webkitCancelFullScreen(); }else if (document.msExitFullscreen){ document.msExitFullscreen();}}catch(e){if (typeof window.ActiveXObject != "undefined"){// for Internet Explorervar wscript = new ActiveXObject("WScript.Shell"); if (wscript != null) { wscript.SendKeys("{F11}"); }} } finally { }};/*** 功能: 在json对象添加objName* @param objName 对象名称* @param jsondata json对象* @return json对象;*/UntilCommon.JsonToObjJson = function(objName, jsondata){var jsonNew = {}; for(var key in jsondata) { jsonNew[objName+"."+key] =jsondata[key]; } return jsonNew;};//UntilCommon.cloneObject = function(jsondata){var jsonNew = {}; for(var key in jsondata) { jsonNew[key] =jsondata[key]; } return jsonNew;};/*** 功能: json对象转换为String字符串* @param oJson json对象* @return json对象的字符内容;*/UntilCommon.Json2ToString =function (oJson){if(JSON){return JSON.stringify(oJson);} var S = []; var J = ""; if (Object.prototype.toString.apply(oJson) === ‘[object Array]’) { for (var i = 0; i < oJson.length; i++) { S.push(O2String(oJson[i])); } J = ‘[‘ + S.join(‘,’) + ‘]’; } else if (Object.prototype.toString.apply(oJson) === ‘[object Date]’) { J = "new Date(" + oJson.getTime() + ")"; } else if (Object.prototype.toString.apply(oJson) === ‘[object RegExp]’ || Object.prototype.toString.apply(oJson) === ‘[object Function]’) { J = oJson.toString(); } else if (Object.prototype.toString.apply(oJson) === ‘[object Object]’) { for (var i in oJson) { oJson[i] = typeof (oJson[i]) == ‘string’ ? ‘"’ + oJson[i] + ‘"’ : (typeof (oJson[i]) === ‘object’ ? O2String(oJson[i]) : oJson[i]); S.push(i + ‘:’ + oJson[i]); } J = ‘{‘ + S.join(‘,’) + ‘}’; } return J;};/***功能: 用于下载网页数据并加载的本地*@param useURL 下载页面URL*@param callbackFn 下载完成回调函数*/UntilCommon.DomLoadHTML = function(useURL,callbackFn){$.ajax({type : "POST",url : useURL,dataType : "text",async:true,contentType : "application/x-www-form-urlencoded;charset=UTF-8",success :callbackFn});};/***功能: 刷新当前页面*@param bForceGet， 可选参数， 默认为 false，从客户端缓存里取当前页。true, 则以 GET 方式，从服务端取最新的页面, 相当于客户端点击 F5("刷新")*/UntilCommon.reload= function(bForceGet ){bForceGet = typeof bForceGet == ‘undefined’ ? false : bForceGet;location.reload(bForceGet); };/***功能: 获取系统窗口大小* @return size*/UntilCommon.GetSystemSize = function(){ var xWidth = $(document).width(); var xHeight =$(document).height(); //// if(UntilCommon.GetversionIE() > 0)// {// xWidth = $(document).width()-3.3;// xHeight =$(document).height()-3.3;// } return {‘width’:xWidth,’height’:xHeight};};//屏幕分辨率UntilCommon.GetScreenSize = function (){return {‘width’:window.screen.width,’height’:window.screen.height};};//屏幕可用工作区UntilCommon.GetScreenAvailSize = function (){return {‘width’:window.screen.availWidth,’height’:window.screen.availHeight};};/** *功能: 验证字符串的合法性* @param value 要验证的字符串的内容* @param name 中文名称* @param len 字符的最大长度* @param isNotNull 是否非空* @return true/false;*/UntilCommon.checkText= function (value, name, len, isNotNull){//if(isNotNull){if(UntilCommon.TrimText (value) == ""){$.messager.alert(‘提示信息’, name+"不能为空，请重新输入！", ‘info’);return true;}}//if(value.length >len){$.messager.alert(‘提示信息’, name+"不能超过"+len+"个字符，请重新输入！", "info");return true;}else{return false;}};/*** 功能: 去除右空格* @param str 要处理的字符串* @return 处理后的字符串*/UntilCommon.rTrimText = function(str){var pattern = new RegExp("[\\s]+$","gi");return str.replace(pattern,"");};/*** 功能: 去除左空格* @param str 要处理的字符串* @return 处理后的字符串*/UntilCommon.lTrimText = function (str){var pattern = new RegExp("^[\\s]+","gi");return str.replace(pattern,"");};/*** 功能: 去除两边空格* @param str 要处理的字符串* @return 处理后的字符串*/UntilCommon.TrimText = function (str){return UntilCommon.rTrimText(UntilCommon.lTrimText(str));};/*** 功能: 禁止中文* @param textid 所要判断的对象*/UntilCommon.checktextnoZh = function (textid, charnum){var strTemp = textid.value.replace(/[\u4E00-\u9FA5\_]/g,”);if(strTemp != textid.value){textid.value=strTemp;}if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};/*** 功能: 验证输入框为数字、字符、中文* @param textid 所要判断的对象*/UntilCommon.checktextZh =function (textid, charnum){var strTemp =textid.value.replace(/[^\a-\z\A-\Z0-9\u4E00-\u9FA5\_/]/g,”);if(strTemp != textid.value){textid.value=strTemp;}if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};/*** 功能: 验证输入框为数字、英文、。、@* @param textid 所要判断的对象*/UntilCommon.checktextmail = function (textid, charnum){var strTemp =textid.value.replace(/[^\a-\z\A-\Z0-9\.\@]/g,”);if(strTemp != textid.value){textid.value=strTemp;}if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};/*** 功能: 验证输入框为数字、英文、。、@* @param textid 所要判断的对象*/UntilCommon.checktextIP = function (textid, charnum){var strTemp =textid.value.replace(/[^\a-\z\A-\Z0-9\.\:]/g,”);if(strTemp != textid.value){textid.value=strTemp;}if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};/*** 功能: 验证输入框为数字、英文* @param textid 所要判断的对象*/UntilCommon.checktextEn = function (textid, charnum){var strTemp =textid.value.replace(/[^\a-\z\A-\Z0-9\_]/g,”);if(strTemp != textid.value){textid.value=strTemp;}if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};//UntilCommon.checktextSize = function (textid, charnum){if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};/*** 功能: 验证输入框为数字* @param textid 所要判断的对象*/UntilCommon.checktextNum = function (textid, charnum){var strTemp =textid.value.replace(/[^0-9]/g,”);if(strTemp != textid.value){textid.value=strTemp;}if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};/*** 功能: 验证输入框为数字和.* @param textid 所要判断的对象*/UntilCommon.checktextFloat = function (textid, charnum){var strTemp =textid.value.replace(/[^0-9\.]/g,”);if(strTemp != textid.value){textid.value=strTemp;}if(charnum != null && textid.value.length > charnum){textid.value=textid.value.substr(0, charnum);}};/*** 功能: 显示提示消息* @param vtitle 提示框标题* @param vmsg 提示消息内容*/UntilCommon.showMessage = function(vtitle,vmsg){$.messager.show({title:vtitle,msg:vmsg,timeout:5000,showType:’slide’});};/*** 功能: 显示加载信息* @param msg 加载信息内容*/UntilCommon.ShowDataLoadding = function (msg){$(‘#showloagingMsg’).html(msg);$(‘#showloaging’).show();};/*** 功能: 隐藏加载信息*/UntilCommon.HideDataLoadding = function (){$(‘#showloaging’).hide();};//判断输入键是否有效UntilCommon.IsUseKeyCode =function(keycode){if(keycode == 13 //回车||(64<keycode && keycode< 91)//A~Z||(47<keycode && keycode< 58)//0~9||(95<keycode && keycode< 106)//小键盘 ~9){return true;}return false;};//获取系统常量信息SystemData.browserType = UntilCommon.getOs();SystemData.IsIE = SystemData.browserType =="MSIE";SystemData.VersionIE = UntilCommon.GetversionIE();

其实你已经错过了旅行的意义。