code: function( file, status ) {
                  file = this.request( 'get-file', file );
      
                  file.setStatus( status || Status.COMPLETE );
                  file.skipped = true;
      
                  // 如果正在上传。
                  file.blocks && $.each( file.blocks, function( _, v ) {
                      var _tr = v.transport;
      
                      if ( _tr ) {
                          _tr.abort();
                          _tr.destroy();
                          delete v.transport;
                      }
                  });
      
                  this.owner.trigger( 'uploadSkip', file );
              }
docs: 掉过一个文件上传，直接标记指定文件为已上传状态。
  @grammar skipFile( file ) => undefined
  @method skipFile
  @for  Uploader