添加文本框输入验证，按钮样式修改，图片放大预览

src/components/huimai/hbrand.vue

@@ -45,8 +45,8 @@
         </el-table-column>
         <el-table-column label="操作" width="250px">
           <template slot-scope="scope">
-            <el-button size="mini" type="info" plain @click="showBrandForm(scope.row)">编辑 </el-button>
-            <el-button size="mini" type="info" plain @click="RemmoveBrand(scope.row)">删除</el-button>
+            <el-button class="el-icon-s-tools" size="mini" type="info" plain @click="showBrandForm(scope.row)"></el-button>
+            <el-button class="el-icon-delete-solid" size="mini" type="info" plain @click="RemmoveBrand(scope.row)"></el-button>
           </template>
         </el-table-column>
       </el-table>