Flutter 文本-酷炫的渐变效果

 有三种渐变效果可以设置，Gradient.linear、Gradient.radial、Gradient.sweep

import 'dart:ui' as ui;

......

TextStyle(
                  fontSize: 40,
                  foreground: Paint()
                    ..shader = ui.Gradient.linear(
                      const Offset(0, 80),
                      const Offset(80, 150),
                      <Color>[
                        Colors.yellow,
                        Colors.red,
                      ],
                    )),
            ),