flutter的组件裁剪代码片

折叠代码块DART 复制代码

Widget avatar = Image.asset(
    "assets/imgs/wakuwaku.jpg",
    fit: BoxFit.fitHeight,
    width: 80.0,
    height: 80.0,
);

// 不剪裁
avatar,
// 剪裁为圆形
ClipOval(child: avatar), 
// 剪裁为圆角矩形
ClipRRect(
    borderRadius: BorderRadius.circular(5.0),
    child: avatar,
),

// 宽度设为原来宽度一半，另一半会显示，但会溢出，下边的文字会盖到上边
Row(
    mainAxisAlignment: MainAxisAlignment.center,
    children: <Widget>[
    Align(
        alignment: Alignment.topLeft,
        widthFactor: .5, 
        child: avatar,
    ),
    Text(
        "你好世界",
        style: TextStyle(color: Colors.green),
    )
    ],
),
// 将溢出部分剪裁
Row(
    mainAxisAlignment: MainAxisAlignment.center,
    children: <Widget>[
    ClipRect(
        child: Align(
        alignment: Alignment.topLeft,
        widthFactor: .5, //宽度设为原来宽度一半
        child: avatar,
        ),
    ),
    Text("你好世界", style: TextStyle(color: Colors.green))
    ],
),