code: function (urlpath, dirname) {
      casper.wait(waitTime / 3, function () {
          casper.fill('form[name=form1]', {
              "name": dirname
          }, true);
          this.echo('#green{new dir:} #yellow{[' + urlpath + dirname + ']}');
      });
  }
docs: 在指定位置添加一个文件夹
  @param urlpath
  @param dirname