Add:创建 flutter go web 版

lib/widgets/elements/Form/Button/FloatingActionButton/index.dart

@@ -1,140 +0,0 @@
-/// Created with FlutterGo.
-/// User: 一晟
-/// Date: 2018/11/14
-/// Time: 下午4:31
-/// email: zhu.yan@alibaba-inc.com
-/// target: FloatingActionButton 的示例
-/// 对应文档地址:https://docs.flutter.io/flutter/material/FloatingActionButton-class.html
-
-import 'dart:math';
-
-import 'package:flutter/material.dart';
-
-import 'package:flutter_go/components/widget_demo.dart';
-import './demo.dart' as floatingActionButton;
-
-
-const String _floatingActionText0 =
-"""### **简介**
-> FloatingAction Button “浮动动作按钮”
-- FloatingActionButton 按钮是一个圆形图标按钮，悬停在内容上以提升应用程序中的主要操作。浮动操作按钮最常用于Scaffold.floatingActionButton字段中;
-- 每个屏幕最多使用一个浮动操作按钮。浮动操作按钮应用于积极操作，例如“创建”，“共享”或“导航”;
-- 一般用来处理界面中最常用，最基础的用户动作。它一般出现在屏幕内容的前面，通常是一个圆形，中间有一个图标。 FAB有三种类型：regular, mini, extended。不要强行使用FAB，只有当使用场景符合FAB功能的时候使用才最为恰当;
-""";
-
-const String _floatingActionText1 =
-"""### **基本用法**
-> 默认参数的 button 和禁用 button 
-- 如果 onPressed 回调为null，则该 button 将被禁用，并且不会对触摸作出反应,不会变成灰色;
-""";
-
-const String _floatingActionText2 =
-"""### **进阶用法1**
-> 更改项参数的自定义,比如:边框，点击效果，内容文字,颜色,圆角等
-""";
-
-const String _floatingActionText3 =
-"""### **进阶用法2**
-> 更改项参数的自定义,比如:边框，点击效果，内容文字,颜色,圆角等
-""";
-
-class Demo extends StatefulWidget {
-  static const String routeName = '/element/Form/Button/FloatingActionButton';
-
-  @override
-  _DemoState createState() => _DemoState();
-}
-
-class _DemoState extends State<Demo> {
-  String buttonShapeType = 'border'; // 边框类型
-  void setButtonShapeType(){
-    String _buttonShapeType = (buttonShapeType == 'border') ? 'radius' : 'border';
-    if(mounted) {
-      this.setState(() {
-        buttonShapeType = _buttonShapeType;
-      });
-    }
-  }
-  @override
-  Widget build(BuildContext context) {
-    return WidgetDemo(
-      title: 'FloatingActionButton',
-      // desc: _floatingActionTitle,
-      codeUrl: 'elements/Form/Button/FloatingActionButton/demo.dart',
-      contentList: allFloatingActionButtons(context,this),
-      docUrl: 'https://docs.flutter.io/flutter/material/FloatingActionButton-class.html',
-    );
-  }
-}
-
- // 所有的 FloatingActionButton 按钮
-List allFloatingActionButtons(BuildContext context,_DemoState that){
-  final ShapeBorder buttonShape = drawShape(that.buttonShapeType);
-  return [
-    _floatingActionText0,
-    _floatingActionText1,
-    ButtonBar(
-      alignment: MainAxisAlignment.spaceAround,
-      mainAxisSize: MainAxisSize.max,
-      children: <Widget>[
-        floatingActionButton.FloatingActionButtonDefault(),
-        SizedBox(width: 20.0), // 间距
-        floatingActionButton.FloatingActionButtonDefault(false),
-      ],
-    ),
-    _floatingActionText2,
-    SizedBox(height: 10.0),
-    floatingActionButton.FloatingActionButtonCustom(
-        '主要按钮', Colors.deepOrangeAccent, buttonShape),
-    SizedBox(height: 20.0),
-    _floatingActionText3,
-    SizedBox(height: 20.0),
-    floatingActionButton.FloatingActionButtonCustom2(
-        '扩展按钮', Colors.deepOrangeAccent, buttonShape),
-    SizedBox(height: 20.0)
-  ];
-}
-
-// 绘制边框信息,比如是否有边框,是否是圆角
-ShapeBorder drawShape(String type){
-  final Color _color = _randomColor();
-  final borderWidth = Random.secure().nextInt(5).toDouble();
-  final radiusWidth = Random.secure().nextInt(50).toDouble();
-
-  switch(type){
-    case 'border':
-      return Border.all(
-        // 设置边框样式
-        width: borderWidth,
-        color: _color,
-        style: BorderStyle.solid,
-      );
-      break;
-    case 'radius':
-      return RoundedRectangleBorder(
-        side: BorderSide( // 保留原来的边框样式
-          width: borderWidth,
-          color: _color,
-          style: BorderStyle.solid,
-        ),
-        borderRadius: BorderRadius.only(
-          topRight: Radius.circular(radiusWidth),
-          topLeft: Radius.circular(radiusWidth),
-          bottomLeft: Radius.circular(radiusWidth),
-          bottomRight: Radius.circular(radiusWidth),
-        ),
-      );
-      break;
-    default:
-      return null;
-  }
-}
-
-// 取随机颜色
-Color _randomColor() {
-  var red = Random.secure().nextInt(255);
-  var greed = Random.secure().nextInt(255);
-  var blue = Random.secure().nextInt(255);
-  return Color.fromARGB(255, red, greed, blue);
-}
-