feat(Rate): add touchable prop

example/pages/rate/index.wxml

@@ -39,6 +39,7 @@
     color="#ee0a24"
     void-color="#eee"
     void-icon="star"
+    touchable="{{ false }}"
     bind:change="onChange"
   />
 </demo-block>

packages/rate/README.md

@@ -118,6 +118,7 @@ Page({
 | readonly | 是否为只读状态 | *boolean* | `false` | - |
 | disabled | 是否禁用评分 | *boolean* | `false` | - |
 | disabled-color | 禁用时的颜色 | *string* | `#bdbdbd` | - |
+| touchable | 是否可以通过滑动手势选择评分 | *boolean* | `true` | - |
 
 ### Events
 

packages/rate/index.ts

@@ -44,6 +44,10 @@ VantComponent({
       type: null,
       observer: 'setGutterWithUnit'
     },
+    touchable: {
+      type: Boolean,
+      value: true
+    }
   },
 
   data: {
@@ -84,6 +88,9 @@ VantComponent({
     },
 
     onTouchMove(event: Weapp.TouchEvent) {
+      const { touchable } = this.data;
+      if (!touchable) return;
+
       const { clientX, clientY } = event.touches[0];
 
       this.getRect('.van-rate__icon', true).then(