feat(GridItem): add icon-prefix prop (#5666)

src/grid-item/index.js

@@ -20,6 +20,7 @@ export default createComponent({
     dot: Boolean,
     text: String,
     icon: String,
+    iconPrefix: String,
     info: [Number, String],
   },
 
@@ -87,6 +88,7 @@ export default createComponent({
             info={this.info}
             size={this.parent.iconSize}
             class={bem('icon')}
+            classPrefix={this.iconPrefix}
           />
         );
       }

src/grid/README.md

@@ -121,6 +121,7 @@ Vue.use(GridItem);
 | url | Link URL | *string* | - |
 | to | Target route of the link, same as to of vue-router | *string \| object* | - |
 | replace | If true, the navigation will not leave a history record | *boolean* | `false` |
+| icon-prefix `v2.5.3` | Icon className prefix | *string* | `van-icon` |
 
 ### GridItem Events
 

src/grid/README.zh-CN.md

@@ -139,6 +139,7 @@ Vue.use(GridItem);
 | url | 点击后跳转的链接地址 | *string* | - |
 | to | 点击后跳转的目标路由对象，同 vue-router 的 [to 属性](https://router.vuejs.org/zh/api/#to) | *string \| object* | - |
 | replace | 是否在跳转时替换当前页面历史 | *boolean* | `false` |
+| icon-prefix `v2.5.3` | 图标类名前缀 | *string* | `van-icon` |
 
 ### GridItem Events