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# MaterialBanner
Material 风格的标语（Banner）控件
基本用法：
MaterialBanner(
content: Text('老孟'),
actions: <Widget>[
IconButton(icon: Icon(Icons.add),onPressed: (){},),
IconButton(icon: Icon(Icons.close),onPressed: (){},)
],
)
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设置内容样式：
MaterialBanner(
contentTextStyle: TextStyle(color: Colors.red),
content: Text('老孟'),
actions: <Widget>[
IconButton(icon: Icon(Icons.add),onPressed: (){},),
IconButton(icon: Icon(Icons.close),onPressed: (){},)
],
)
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添加开头图标及内边距：
MaterialBanner(
leading: IconButton(
icon: Icon(Icons.person),
onPressed: (){},
),
leadingPadding: EdgeInsets.all(5),
content: Text('老孟'),
actions: <Widget>[
IconButton(
icon: Icon(Icons.add),
onPressed: () {},
),
IconButton(
icon: Icon(Icons.close),
onPressed: () {},
)
],
)
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