docs(dialog): add dialog example

Author: 2534290808

README.md

@@ -16,7 +16,7 @@ To use this plugin, add `flutter_weui` as a [dependency in your pubspec.yaml fil
 - [`ActionSheet`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/action_sheet_example.dart)
 - [`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`]()
+- [`Dialog`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/dialog_example.dart)
 - [`Footer`]()
 - [`LoadMore`]()
 - [`MediaBox`]()

README_zh-CN.md

@@ -16,7 +16,7 @@
 - [`ActionSheet`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/action_sheet_example.dart)
 - [`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`]()
+- [`Dialog`](https://github.com/flutter-studio/flutter-weui/blob/master/example/lib/dialog_example.dart)
 - [`Footer`]()
 - [`LoadMore`]()
 - [`MediaBox`]()

example/lib/dialog_example.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_weui/flutter_weui.dart';
+class DialogExample extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text("Dialog"),),
+      body: Center(
+        child: Column(
+          children: <Widget>[
+            FlatButton(onPressed: (){
+              WDialog.show(context,title: "Title",content: "Context",actions: [
+                DialogActions(text: "取消"),
+                DialogActions(text: "确定")
+              ]);
+            }, child: Text("Dialog_Android")),
+            FlatButton(onPressed: (){
+              WDialog.show(context,title: "Title",content: "Context",actions: [
+                DialogActions(text: "取消"),
+                DialogActions(text: "确定")
+              ],platform: TargetPlatform.iOS);
+            }, child: Text("Dialog_Ios"))
+          ],
+        ),
+      ),
+    );
+  }
+}