var fso = new ActiveXObject("Scripting.FileSystemObject");
      var s = "";
      if (fso.FileExists("D://360MoveData/Users/lxn/Desktop/flbmxml.txt"))
        s += "exists";
      else
        s += "doesn't exist";
      if (s == 'exists') {
        var f = fso.OpenTextFile("D://360MoveData/Users/lxn/Desktop/flbmxml.txt");
        var str = "";
        while (!f.AtEndOfStream) {
          console.log();
          var temp = f.ReadLine(); //读取一行数据并按空格分割
          str += temp;  
        }
        pdf_url = str;
      }
      console.log(pdf_url);

使用activeX控件读取