farmer_client/lib/pages/home2.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class Home extends StatefulWidget {
  const Home({Key? key}) : super(key: key);

  @override
  _Home createState() => _Home();
}

class _Home extends State<Home> {
  List images = [
    ['images/index/index.png', 'images/index/indexActive.png'],
    ['images/index/job.png', 'images/index/jobActive.png'],
    ['images/index/user.png', 'images/index/userActive.png'],
  ];

  final List _titles = ['首页', '订单列表', '个人中心'];
  int _currentIndex = 0;
  final tabTextStyleSelected =
  TextStyle(color: const Color(0xFF06B03B),fontSize: 15.sp,fontWeight: FontWeight.bold); //选线卡选中字体颜色
  final tabTextStyleNormal =
  TextStyle(color: const Color(0xFF323232),fontSize: 15.sp,fontWeight: FontWeight.bold); //选项卡未选中字体颜色
  int _tabIndex = 0; //选项卡下标

  var _body = [Text('我是首页'), Text('我是订单列表'), Text('我是个人中心')];
  TextStyle getTabTextStyle(int curIndex) {
    //设置tabbar 选中和未选中的状态文本
    if (curIndex == _tabIndex) {
      return tabTextStyleSelected;
    }
    return tabTextStyleNormal;
  }

  Image getTabIcon(int curIndex) {
    //设置tabbar选中和未选中的状态图标
    if (curIndex == _tabIndex) {
      return Image.asset(
        images[curIndex][1],
        width: 20.w,
        height: 20.w,
      );
    }
    return Image.asset(
      images[curIndex][0],
      width: 20.w,
      height: 20.w,
    );
  }

  Image getTabImage(path) {
    return Image.asset(path, width: 26.w, height: 26.w);
  }

  // 切换底部选项卡，标题的变化设置
  Text getTabTitle(int curIndex) {
    return Text(_titles[curIndex], style: getTabTextStyle(curIndex));
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        elevation: 0,
        centerTitle: true,
        backgroundColor: Colors.white,
        title: Text(
          '首页',
          style: TextStyle(
              color: Colors.black,
              fontSize: 17.sp,
              letterSpacing: 2,
              fontWeight: FontWeight.bold
          ),
        ),
      ),
      body: _body[_tabIndex],
      bottomNavigationBar: Container(
        height: 65.h,

        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceAround,
          children: [
            Column(
              children: [
                getTabIcon(0),
                getTabTitle(0)
              ],
            ),
            Column(
              children: [
                getTabIcon(1),
                getTabTitle(1)
              ],
            ),
            Column(
              children: [
                getTabIcon(2),
                getTabTitle(2)
              ],
            ),
          ],
        ),
      ),
    );
  }
}