code: function (name, done) {
                      if (name && done) {
                          if (self.datatables[name]) {
                              done(self.datatables[name]);
                          } else {
                              throw new Error("not found datatable " + name);
                          }
                      }
                  }
docs: 根据名称获取表单.
  @param name
  @param done