feat: avatar add srcSet

Author: tangjinzhou

components/avatar/Avatar.jsx

@@ -19,6 +19,8 @@ export default {
       default: 'default',
     },
     src: String,
+    /** Srcset of image avatar */
+    srcSet: String,
     icon: String,
     alt: String,
     loadError: Function,
@@ -71,7 +73,7 @@ export default {
   },
   render () {
     const {
-      prefixCls, shape, size, src, icon, alt,
+      prefixCls, shape, size, src, icon, alt, srcSet,
     } = this.$props
 
     const { isImgExist, scale } = this.$data
@@ -101,6 +103,7 @@ export default {
       children = (
         <img
           src={src}
+          srcSet={srcSet}
           onError={this.handleImgLoadError}
           alt={alt}
         />

components/avatar/index.en-US.md

@@ -6,6 +6,7 @@
 | shape | the shape of avatar | `circle` \| `square` | `circle` |
 | size | the size of the avatar | number \| string: `large` `small` `default` | `default` |
 | src | the address of the image for an image avatar | string | - |
+| srcSet | a list of sources to use for different screen resolutions | string | - |
 | alt | This attribute defines the alternative text describing the image | string | - |
 | loadError | handler when img load error，return false to prevent default fallback behavior | () => boolean | - |
 

components/avatar/index.zh-CN.md

@@ -6,6 +6,7 @@
 | shape | 指定头像的形状 | Enum{ 'circle', 'square' } | `circle` |
 | size | 设置头像的大小 | number \| Enum{ 'large', 'small', 'default' } | `default` |
 | src | 图片类头像的资源地址 | string | - |
+| srcSet | 设置图片类头像响应式资源地址 | string | - |
 | alt | 图像无法显示时的替代文本 | string | - |
 | loadError | 图片加载失败的事件，返回 false 会关闭组件默认的 fallback 行为 | () => boolean | - |