flutter - 如何像这样设计 Flutter textfield

Question

我想像这样设计 flutter 文本字段，任何人都可以帮助我。

Answer 1

Container(
          padding: EdgeInsets.fromLTRB(10,2,10,2),
          decoration: BoxDecoration(
             borderRadius: BorderRadius.circular(5),
             border: Border.all(color: Colors.red)
          ),
          child: TextField(

            decoration: InputDecoration(
              border: InputBorder.none,
              labelText: "First Name",
            ),
            controller: controller,
          ),
        )