code: function renderArrData(data) {
              var i = 0,
                  html = '';
              for (i = 0; i < data.length; i++) {
                  html += Mustache.render(classifyItemTpl, data[i]);
              }
              return html;
          }
docs: cache tpl 
  Mustache 渲染数组数据
  @params data Array 数据数组
  @return html html字符串