[Select]修改placeholder 样式

Author: liyuan-meng

src/components/select/demos/basic.md

@@ -61,6 +61,14 @@ export default function SelectDemo() {
             dataSource={dataList}
           />
         </div>
+        <div>
+          <h5>暂无数据</h5>
+          <Select
+            style={{ width: 328 }}
+            allowClear
+            dataSource={[]}
+          />
+        </div>
       </div>
     </div>
   );

src/components/select/index.less

@@ -209,6 +209,8 @@
       }
 
       .search-placeholder {
+        display: block;
+        .text-overflow-ellipsis();
         color: @gray-6;
         font-size: 14px;
       }