flutter_login2/lib/pages/welcome/welcome_page.dart

import 'package:flutter/material.dart';
import 'package:flutter_auth/models/config.dart';
import 'package:flutter_auth/pages/login_page.dart';
import 'package:flutter_auth/pages/register_page.dart';
import 'package:flutter_auth/pages/welcome/welcome_image.dart';
import 'package:flutter_auth/pages/background.dart';
import 'package:flutter_auth/views/responsive.dart';

/// Description: welcome page
/// Time       : 08/24/2023 Thursday
/// Author     : liuyuqi.gov@msn.cn
class WelcomePage extends StatefulWidget {
  const WelcomePage({super.key});

  @override
  State<WelcomePage> createState() => _WelcomePageState();
}

class _WelcomePageState extends State<WelcomePage> {
  @override
  Widget build(BuildContext context) {
    return Background(
        child: SingleChildScrollView(
      child: SafeArea(
        child: Responsive(
            mobile: buildWelcomeMobile(), desktop: buildWelcomeDesktop()),
      ),
    ));
  }

  Widget buildWelcomeMobile() {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        const WelcomeImage(),
        Row(
          children: [
            const Spacer(),
            Expanded(
              flex: 8,
              child: buildLoginAndSignupBtn(),
            ),
            const Spacer()
          ],
        )
      ],
    );
  }

  Widget buildWelcomeDesktop() {
    return Row(
      mainAxisAlignment: MainAxisAlignment.end,
      children: [
        const Expanded(child: WelcomeImage()),
        Expanded(
            child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            SizedBox(
              width: 450,
              child: buildLoginAndSignupBtn(),
            )
          ],
        ))
      ],
    );
  }

  Widget buildLoginAndSignupBtn() {
    return Column(
      children: [
        Hero(
          tag: "login_btn",
          child: ElevatedButton(
            child: const Text("登录"),
            onPressed: () {
              Navigator.push(context, MaterialPageRoute(builder: (context) {
                return const LoginPage();
              }));
            },
          ),
        ),
        const SizedBox(
          height: 16,
        ),
        ElevatedButton(
          onPressed: () {
            Navigator.push(context, MaterialPageRoute(builder: (context) {
              return const RegisterPage();
            }));
          },
          style: ElevatedButton.styleFrom(
              backgroundColor: kPrimaryLightColor, elevation: 0),
          child: const Text(
            "注册",
            style: TextStyle(color: Colors.black),
          ),
        ),
      ],
    );
  }
}