docs(footer): add footer example

Author: 2534290808

README.md

@@ -17,7 +17,7 @@ To use this plugin, add `flutter_weui` as a [dependency in your pubspec.yaml fil
 - [`Article`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/article_example.dart)
 - [`Cell`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/cell_example.dart)
 - [`Dialog`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/dialog_example.dart)
-- [`Footer`]()
+- [`Footer`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/footer_example.dart)
 - [`LoadMore`]()
 - [`MediaBox`]()
 - [`Panel`]()

README_zh-CN.md

@@ -17,7 +17,7 @@
 - [`Article`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/article_example.dart)
 - [`Cell`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/cell_example.dart)
 - [`Dialog`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/dialog_example.dart)
-- [`Footer`]()
+- [`Footer`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/footer_example.dart)
 - [`LoadMore`]()
 - [`MediaBox`]()
 - [`Panel`]()

example/lib/footer_example.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_weui/flutter_weui.dart';
+
+class FooterExample extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("Footer"),
+      ),
+      body: Container(
+          padding: const EdgeInsets.only(bottom: 15),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.end,
+            children: <Widget>[
+              Footer(
+                text: "南京某某智能科技有限公司",
+                links: [Link(text: "友情链接",onPressed: (){}), Link(text: "公司邮箱",onPressed: (){})],
+              )
+            ],
+          )),
+    );
+  }
+}