更新SHARE.md

doc/SHARE.md

@@ -122,3 +122,16 @@ Two kind of video:`videoUrl`和`videoLowBandUrl`.They are not coexisting，if bo
     fluwx.share(model);
 ```
 
+### Share File
+
+```dart
+ var model = fluwx.WeChatShareFileModel(
+      filePath: _filePath,
+      scene: scene,
+      title: _title,
+      description: _description
+ );
+ fluwx.share(model);
+```
+File size is limited and cannot exceed 10M
+

doc/SHARE_CN.md

@@ -118,3 +118,16 @@
     );
     fluwx.share(model);
 ```
+
+### 分享文件
+
+```dart
+ var model = fluwx.WeChatShareFileModel(
+      filePath: _filePath,
+      scene: scene,
+      title: _title,
+      description: _description
+ );
+ fluwx.share(model);
+```
+文件有大小限制，不能超过10M；文件路径还要考虑权限
\ No newline at end of file