<script type="text/javascript">
function getRootPath()
{
var pathName = window.location.pathname.substring(1);
var webName = pathName == '' ? '' : pathName.substring(0, pathName.indexOf('/'));
return window.location.protocol + '//' + window.location.host + '/'+ webName + '/';
}
alert (getRootPath());
</script>
function getRealPath(){
//获取当前网址,如: [http://localhost:8083/myproj/view/my.jsp](http://localhost:8083/myproj/view/my.jsp "http://localhost:8083/myproj/view/my.jsp")
var curWwwPath=window.document.location.href;
//获取主机地址之后的目录,如: myproj/view/my.jsp
var pathName=window.document.location.pathname;
var pos=curWwwPath.indexOf(pathName);
//获取主机地址,如: [http://localhost:8083](http://localhost:8083/ "http://localhost:8083")
var localhostPaht=curWwwPath.substring(0,pos);
//获取带"/"的项目名,如:/myproj
var projectName=pathName.substring(0,pathName.substr(1).indexOf('/')+1);
//得到了 [http://localhost:8083/myproj](http://localhost:8083/myproj "http://localhost:8083/myproj")
var realPath=localhostPaht+projectName;
alert(realPath);
}
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