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45 lines
1.3 KiB
Dart
45 lines
1.3 KiB
Dart
/// @Author: 一凨
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/// @Date: 2018-12-27 11:20:07
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/// @Last Modified by: 一凨
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/// @Last Modified time: 2018-12-27 14:51:44
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import 'package:flutter/material.dart';
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import 'package:flutter_go/components/widget_demo.dart';
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import './demo.dart';
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const String content0 = '''
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### **简介**
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> DropdownButton 创建的一个菜单项
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- DropdownButton 是 Material 设计风格中的一个从列表中选择某一个item的按钮
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- DropdownButton 按钮显示选定的Item的值以及打开用于选择其他item的菜单箭头
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- DropdownMenuItem<T> 这里面的T代表入参的类型，注意在给定菜单中，所有的item的类型要保持一致
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''';
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const String content1 = '''
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### **基本用法**
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> 配合 DropdownButton 使用
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- value 选中返回的值
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- child 子Widget项
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''';
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class Demo extends StatefulWidget {
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static const String routeName = '/components/Menu/DropdownMenuItem';
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_DemoState createState() => _DemoState();
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}
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class _DemoState extends State<Demo> {
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@override
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Widget build(BuildContext context) {
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return WidgetDemo(
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contentList: [
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content0,
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content1,
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DropdownMenuItemDemo(),
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],
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title: 'DropdownMenuItem',
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docUrl: 'https://docs.flutter.io/flutter/material/DropdownMenuItem-class.html',
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codeUrl: 'components/Menu/DropdownMenuItem/demo.dart',
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);
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}
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} |