//js获取项目根路径,如: http://localhost:8083/uimcardprj
function getRootPath(){
   
//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);
}

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