function getRootPath_web() {
//获取当前网址,如: http://localhost:8083/uimcardprj/share/meun.jsp
var curWwwPath = window.document.location.href;
//获取主机地址之后的目录,如: uimcardprj/share/meun.jsp
var pathName = window.document.location.pathname;
var pos = curWwwPath.indexOf(pathName);
//获取主机地址,如: http://localhost:8083
var localhostPaht = curWwwPath.substring(0, pos);
//获取带"/"的项目名,如:/uimcardprj
var projectName = pathName.substring(0, pathName.substr(1).indexOf('/') + 1);
return (localhostPaht + projectName);
}