> 修改table的header上的问题，进行一些其他的文字提示 ``` <el-table :data="formData.orderGoods" border style="width: 100%" header-row-class-name="header-row" class="tableCenter" id="formData"> <el-table-column label="价格折扣" :min-width="140" :render-header="renderHeader"> <template slot-scope="scope"> <i class="asmd">￥:&nbsp;</i> {{ scope.row.promotionAmount| NumFormat}} </template> </el-table-column> </el-table> renderHeader(h, col) { // 页面右上角的规格值 switch(col.$index) { case 5: return(h, <div> <span>价格折扣</span> <el-tooltip content="只有在库商品才参与统一政策，享受价格折扣，在途商品不参与" effect="light" placement="top" > <span class = "el-icon-question question-color" ></span> </el-tooltip> </div> ); break; } }, ```