js 通用javascript函数库整理

复制代码 代码如下:

document.write("");

var hostUrl='http://'+window.location.host; //获取网站主机头

function HorCenter(x){
return (document.documentElement.clientWidth-x)/2;
}

function VerCenter(y){
return (document.documentElement.clientHeight-y)/2+document.documentElement.scrollTop;
}

function Trim(str){
return str.replace(/(^s*)|(s*$)/g, "");
}

function IsEmail(email){
var expression=/w+([-+.']w+)*@w+([-.]w+)*.w([-.]w+)*/;
var objExp=new RegExp(expression);
return objExp.test(email);
}

function IsUser(user){
var expression=/^(?!_)(?!.*?_$)(w|[u4E00-u9FA5])*$/; //只能数字、中文、字母、下划线组合，下划线不能在开头或结尾
var objExp=new RegExp(expression);
return objExp.test(user);
}

function IsMobile(mobile){
var expression=/^1[3458]{1}[0-9]{9}$/;
var objExp=new RegExp(expression);
return objExp.test(mobile);
}

function IsInt(intval){
var expression=/^d+$/;
var objExp=new RegExp(expression);
return objExp.test(intval);
}

function IsNum(num){
return !isNaN(num);
}

function IsMoney(money){
var expression=/^(([1-9]d+|0).d{2}|([1-9]d+|0))$/;
var objExp=new RegExp(expression);
return objExp.test(money);
}

function GetByteLen(sChars){
return sChars.replace(/[^x00-xff]/g,"xx").length;
}

function GetByteval(sSource, iLen){
if(sSource.replace(/[^x00-xff]/g,"xx").length<=iLen)
{
return sSource;
}
else
{
var str="";
var l=0;
var schar;
for(var i=0;schar=sSource.charAt(i);i++)
{
str+=schar;
l+=(schar.match(/[^x00-xff]/) != null ? 2:1);
if(l>=iLen)
{
break;
}
}
return str;
}
}

function Setcookie(name,value)
{
var argv=Setcookie.arguments;
var argc=Setcookie.arguments.length;
var expires=(2var path=(3var domain=(4var secure=(5document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
}

function Getcookie(name){
var search = name + "=";
var returnvalue = "";
if (document.cookie.length > 0)
{
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1)
end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset,end));
}
}
return returnvalue;
}

function CheckAll(obj,objForm){
if(obj.checked==true){
$('#'+objForm+' input:checkbox.chk').each(function(){
this.checked='checked';
});
}
else{
$('#'+objForm+' input:checkbox.chk').each(function(){
this.checked='';
});
}
}

function CopyValue(strValue){
if(IsIE())
{
clipboardData.setData("Text",strValue);
alert("成功复制");
}
else
{
Copy(strValue);
alert("成功复制");
}
}

function IsIE(number){
if(typeof(number)!=number)
{
return!!document.all;
}
}