protected function renderLoading() { $options = $this->options; $label = ArrayHelper::getValue($this, 'label', '数据加载中'); Html::addCssClass($options, ['weui_loading_toast']); Html::addCssStyle($options, ['display' => 'none']); $content = <<<EOF <div class="weui_mask_transparent"></div> <div class="weui_toast"> <div class="weui_loading"> <div class="weui_loading_leaf weui_loading_leaf_0"></div> <div class="weui_loading_leaf weui_loading_leaf_1"></div> <div class="weui_loading_leaf weui_loading_leaf_2"></div> <div class="weui_loading_leaf weui_loading_leaf_3"></div> <div class="weui_loading_leaf weui_loading_leaf_4"></div> <div class="weui_loading_leaf weui_loading_leaf_5"></div> <div class="weui_loading_leaf weui_loading_leaf_6"></div> <div class="weui_loading_leaf weui_loading_leaf_7"></div> <div class="weui_loading_leaf weui_loading_leaf_8"></div> <div class="weui_loading_leaf weui_loading_leaf_9"></div> <div class="weui_loading_leaf weui_loading_leaf_10"></div> <div class="weui_loading_leaf weui_loading_leaf_11"></div> </div> <p class="weui_toast_content">{$label}</p> </div> EOF; return Html::tag('div', $content, $options); }