js 获取 项目 根路径 JavaScript

/**
* 获取项目根路径1
* @return {RootPath}
* @author 李海云
*/
function getRootPath1(){
var strFullPath=window.document.location.href;
var strPath=window.document.location.pathname;
var pos=strFullPath.indexOf(strPath);
var prePath=strFullPath.substring(0,pos);
var postPath=strPath.substring(0,strPath.substr(1).indexOf('/')+1)+"/";
return(prePath+postPath);
}
/**
* 获取项目根路径2
* @return {RootPath}
* @author 李海云
*/
function getRootPath2()
{
var pathName = window.location.pathname.substring(1);
var webName = pathName == '' ? '' : pathName.substring(0, pathName.indexOf('/'));
return window.location.protocol + '//' + window.location.host + '/'+ webName + '/';
}