update cascader api

9 years ago · fcba79f070
1 changed files with 1 additions and 0 deletions
--- a/components/cascader/index.md
+++ b/components/cascader/index.md
@ -30,3 +30,4 @@
 | displayRender | 选择后展示的渲染函数 | `function(label)`` | `function(label) { return label.join(' / ') }` |
 | style | 自定义样式 | string | - |
 | popupClassName | 自定义浮层类名 | string | - |
+| placeholder | 输入框占位文本 | string | '请选择' |