From 8b65086bd45db2b8aabdae3ad80e9a743683d45b Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@buaa.edu.cn>
Date: Thu, 27 Sep 2018 10:53:42 +0800
Subject: [PATCH] [improvement] Button: add id prop (#650)

---
 packages/button/README.md  | 1 +
 packages/button/index.wxml | 1 +
 packages/mixins/button.ts  | 1 +
 3 files changed, 3 insertions(+)

diff --git a/packages/button/README.md b/packages/button/README.md
index 11609435..cd7eb516 100644
--- a/packages/button/README.md
+++ b/packages/button/README.md
@@ -57,6 +57,7 @@
 
 | 参数 | 说明 | 类型 | 默认值 |
 |-----------|-----------|-----------|-------------|
+| id | 标识符 | `String` | - |
 | type | 按钮类型，可选值为 `primary` `warning` `danger` | `String` | `default` |
 | size | 按钮尺寸，可选值为 `normal` `large` `small` `mini` | `String` | `normal` |
 | plain | 是否为朴素按钮 | `Boolean` | `false` |
diff --git a/packages/button/index.wxml b/packages/button/index.wxml
index 8d1be79a..d027216c 100644
--- a/packages/button/index.wxml
+++ b/packages/button/index.wxml
@@ -1,5 +1,6 @@
 <button
   class="custom-class van-button {{ classes }}"
+  id="{{ id }}"
   disabled="{{ disabled }}"
   hover-class="button-hover"
   open-type="{{ openType }}"
diff --git a/packages/mixins/button.ts b/packages/mixins/button.ts
index 4372591d..bffa9caf 100644
--- a/packages/mixins/button.ts
+++ b/packages/mixins/button.ts
@@ -1,5 +1,6 @@
 export const button = Behavior({
   properties: {
+    id: String,
     loading: Boolean,
     openType: String,
     appParameter: String,