Add:创建 flutter go web 版

lib/widgets/elements/Form/Button/IconButton/demo.dart

@@ -1,92 +0,0 @@
-/// Created with Android Studio.
-/// User: 一晟
-/// Date: 2018/11/22
-/// Time: 上午12:03
-/// email: zhu.yan@alibaba-inc.com
-/// target: IconButton 的示例
-
-import 'dart:math';
-import 'package:flutter/material.dart';
-
-import 'package:flutter_go/resources/icon_names.dart';
-
-
-final  int len = IconNames.names.length;
-
-
-// IconButton 默认按钮的实例
-// isDisabled:是否是禁用，isDisabled 默认为true
-class IconButtonDefault extends StatelessWidget {
-  final bool isDisabled;
-
-  const IconButtonDefault([ this.isDisabled = true])
-      : assert(isDisabled != null),
-        super();
-
-  @override
-  Widget build(BuildContext context) {
-    return IconButton(
-        // 文本内容
-        icon: Icon(Icons.volume_up),
-        tooltip: 'Increase volume by 10%',
-        onPressed: isDisabled ? () {} : null);
-  }
-}
-
-// IconButton 自定义的实例
-class IconButtonCustom extends StatelessWidget {
-  final String txt;
-  final Color color;
-  final ShapeBorder shape;
-  final VoidCallback onPressed;
-
-  const IconButtonCustom(
-      [ this.txt = '自定义按钮',
-       this.color = Colors.blueAccent,
-       this.shape,
-       this.onPressed])
-      : super();
-
-   getIcons(){
-    return Icons;
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final int iconIndex = Random.secure().nextInt(len);
-    final IconData type = IconNames.names[iconIndex];
-    final _onPressed = onPressed;
-    return IconButton(
-        // 定义图标在IconButton中的定位方式,AlignmentGeometry 如果父Widget尺寸大于child Widget尺寸，这个属性设置会起作用，有很多种对齐方式。
-        alignment:AlignmentDirectional.center,
-        // 按钮颜色
-        color: _randomColor(),
-        // 如果图标被禁用，则用于按钮内图标的颜色。默认为当前主题的ThemeData.disabledColor
-        disabledColor:_randomColor(),
-        // 高亮时的背景色
-        highlightColor: Colors.yellow,
-        // 按钮内图标的大小
-        icon:Icon(type),
-        // 图标尺寸
-        iconSize:(Random.secure().nextInt(20)+20).toDouble(), // 随机大小
-        // 按钮内部,墨汁飞溅的颜色,点击按钮时的渐变背景色，当你不设置高亮背景时才会看的更清楚
-        splashColor: _randomColor(),
-        padding:  EdgeInsets.only(bottom: 5.0, top: 5.0, left: 30.0, right: 30.0),
-        // 描述按下按钮时将发生的操作的文本
-        tooltip:'这是${ type.codePoint }信息',
-        // IconButton 的点击事件
-        onPressed: () {
-          // Perform some action
-          if (_onPressed is VoidCallback) {
-            _onPressed();
-          }
-        });
-  }
-}
-
-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);
-}