[移动开发]2021-10-21 flutter 图片学习

//***********Image学习**************
class ImageAndIconRoute extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    var img = AssetImage("images/s7.jpg");
    return SingleChildScrollView(
      child: Column(
          children: <Image>[
            Image(
              image: img,
              height: 50.0,
              width: 100.0,
              fit: BoxFit.fill,
            ),
            Image(
              image: img,
              height: 50,
              width: 50.0,
              fit: BoxFit.contain,
            ),
            Image(
              image: img,
              width: 100.0,
              height: 50.0,
              fit: BoxFit.cover,
            ),
            Image(
              image: img,
              width: 100.0,
              height: 50.0,
              fit: BoxFit.fitWidth,
            ),
            Image(
              image: img,
              width: 100.0,
              height: 50.0,
              fit: BoxFit.fitHeight,
            ),
            Image(
              image: img,
              width: 100.0,
              height: 50.0,
              fit: BoxFit.scaleDown,
            ),
            Image(
              image: img,
              height: 50.0,
              width: 100.0,
              fit: BoxFit.none,
            ),
            Image(
              image: img,
              width: 100.0,
              color: Colors.blue,
              colorBlendMode: BlendMode.difference,
              fit: BoxFit.fill,
            ),
            Image(
              image: img,
              width: 100.0,
              height: 200.0,
              repeat: ImageRepeat.repeatY,
            )
          ].map((e) {
            return Row(
              children: <Widget>[
                Padding(
                  padding: EdgeInsets.all(16.0),
                  child: SizedBox(
                    width: 100,
                    child: e,
                  ),
                ),
                Text(e.fit.toString())
              ],
            );
          }).toList()
      ),
    );
  }
}