code: function (filePath, model) {
              filePath = getFileWithExt(filePath);
              filePath = path.join(configure.partialViewDir, filePath);
              var partialTemp = saker.getView(filePath);
              try {
                  var html = saker.compile(partialTemp, filePath).call({
                      layout: null
                  }, model);
              } catch (err) {
                  throw err;
              }
              return html;
          }
docs: 加载局部视图。Render a partial view.
  @param filePath
  @param model
  @returns {*}