js获取网站realPath

function  getRealPath(){
      //获取当前网址,如: 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
      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
      var realPath=localhostPaht+projectName;
      return realPath;
}

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转载自girl-luo.iteye.com/blog/2347625