flutter的按钮代码片

普通按钮

参考

装饰框做的按钮

DART

DecoratedBox(
    decoration: BoxDecoration(
        gradient: LinearGradient(
            colors: [Colors.red, Colors.orange.shade700]), //背景渐变
        borderRadius: BorderRadius.circular(3.0), //3像素圆角
        boxShadow: [
            //阴影
            BoxShadow(
                color: Colors.black54,
                offset: Offset(2.0, 2.0),
                blurRadius: 4.0)
        ]),
    child: Padding(
        padding: EdgeInsets.symmetric(horizontal: 80.0, vertical: 18.0),
        child: Text(
        "Login",
        style: TextStyle(color: Colors.white),
        ),
)),
// Container做的按钮图形。Container包含了DecorateBox
Container(
    padding: EdgeInsets.all(14.0),
    margin: EdgeInsets.only(top: 50.0, left: 120.0),
    constraints:
        BoxConstraints.tightFor(width: 200.0, height: 150.0), //卡片大小
    decoration: BoxDecoration(
    //背景装饰
    gradient: RadialGradient(
        //背景径向渐变
        colors: [Colors.red, Colors.orange],
        center: Alignment.topLeft,
        radius: .98,
    ),
    boxShadow: [
        //卡片阴影
        BoxShadow(
        color: Colors.black54,
        offset: Offset(2.0, 2.0),
        blurRadius: 4.0,
        )
    ],
    ),
    transform: Matrix4.rotationZ(.2), //卡片倾斜变换
    alignment: Alignment.center, //卡片内文字居中
    child: Text(
    //卡片文字
    "Container多功能卡片",
    style: TextStyle(color: Colors.white, fontSize: 30.0),
    ),
)