utility.js

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// JScript 文件
function IsValidEmail(email)
{
    var emailPattern = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
    
    if (!emailPattern.test(email))
        return false;
    else
        return true;
}  
function GetQueryString(url,key)
{
   var reg = new RegExp(".*?"+ key+"=([^&]*)?&.*?$"+"|.*?"+key+"=([^&]*)?$|","i");
   if(reg.exec(url) == url) return ""; 
   return url.replace(reg,"$1$2");
}

String.prototype.Replace = function(oldValue,newValue) 
{ 
    return this.replace(new RegExp(oldValue,"gi"), newValue); 
}
String.prototype.Trim = function()
{
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
function GetObjById(id)
{   
    if (typeof(id) != "string" || id == "") return null;
    if (document.getElementById) return document.getElementById(id);
    if (document.all) return document.all(id);	        
    try {return eval(id);} catch(e){ return null;}
}
function getCookie(sName)
{
    var sRE = "(?:;)?" + sName + "=([^;]*);?";
   var oRE = new RegExp(sRE);
   if(oRE.test(document.cookie))
   {
     return decodeURIComponent(RegExp["$1"]);
   }
   else
   {
        return null;
   } 
}

function getJsUrlParam(jUid,pName)
{
    var reg = new RegExp("(^|\\?|&)"+ pName +"=([^&]*)(\\s|&|$)", "i");
	reg.test(GetObjById(jUid).src);
	return RegExp.$2;
}