[Flutt]

[Flutt]

简而言之，使用ansparent隐藏实际文本，然后显示一个悬停在Text下划线上方的偏移阴影

Text("Forgot Password?",style: TextStyle(shadows: [Shadow(color: Colors.black,offset: Offset(0, -5))],color: ansparent,decoration:TextDecoration.underline,decorationColor: Colors.blue,decorationThickness: 4,decorationStyle:TextDecorationStyle.dashed,),)

实际效果：