huixiang_app/lib/business_system/business_page.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:huixiang/business_system/goods/business_goods_page.dart';
import 'package:huixiang/business_system/mine/business_mine_page.dart';
import 'package:huixiang/business_system/order/business_order_page.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

import 'home/business_home_page.dart';

class BusinessPage extends StatefulWidget {
  final arguments;

  BusinessPage({this.arguments});

  @override
  State<StatefulWidget> createState() {
    return _BusinessPage();
  }
}

class _BusinessPage extends State<BusinessPage>
    with AutomaticKeepAliveClientMixin {
  int choiceIndex = 0;
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    super.build(context);
    return Stack(
      children: [
        Container(
          color: Color(0xFFF7F7F7),
        ),
        Stack(
          children: [
            if(choiceIndex == 0)
            BusinessHomePage(),

            if(choiceIndex == 1)
              BusinessOrderPage(),

            if(choiceIndex == 2)
              BusinessHomePage(),

            if(choiceIndex == 3)
              BusinessGoodsPage(),

            if(choiceIndex == 4)
              BusinessMinePage(),

            Align(
              alignment: Alignment.bottomCenter,
              child: Container(
                height:85.h,
                width: double.infinity,
                color: Colors.white,
                padding: EdgeInsets.only(top:20.h),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Expanded(
                      child: GestureDetector(
                        behavior: HitTestBehavior.opaque,
                          onTap: () {
                            setState(() {
                              choiceIndex = 0;
                            });
                          },
                          child: Column(
                            children: [
                              Image.asset(
                                choiceIndex == 0
                                    ? "assets/image/business_home.webp"
                                    : "assets/image/business_ home_h.webp",
                                width: 30,
                                height: 30,
                              ),
                              SizedBox(height: 5.h,),
                              Text(
                                "首页",
                                style: TextStyle(
                                  fontSize: 10.sp,
                                  fontWeight: MyFontWeight.semi_bold,
                                  color: choiceIndex == 0
                                      ? Color(0xFF4C4C4C)
                                      : Color(0xFFACACAC),
                                ),
                              ),
                            ],
                          )),
                    ),
                    Expanded(
                        child: GestureDetector(
                          behavior: HitTestBehavior.opaque,
                          onTap: () {
                            setState(() {
                              choiceIndex = 1;
                            });
                          },
                          child: Column(
                            children: [
                              Image.asset(
                                (choiceIndex == 0 || choiceIndex == 2 || choiceIndex == 3 || choiceIndex == 4)
                                    ? "assets/image/business_order_h.webp"
                                    : "assets/image/business_order.webp",
                                width: 30,
                                height: 30,
                              ),
                              SizedBox(height: 5.h,),
                              Text(
                                "订单",
                                style: TextStyle(
                                  fontSize: 10.sp,
                                  fontWeight: MyFontWeight.semi_bold,
                                  color:  (choiceIndex == 0 || choiceIndex == 2 || choiceIndex == 3 || choiceIndex == 4)
                                      ? Color(0xFFACACAC)
                                      : Color(0xFF4C4C4C),
                                ),
                              ),
                            ],
                          ),
                        )),
                    Expanded(
                        child: GestureDetector(
                          behavior: HitTestBehavior.opaque,
                          onTap: () {
                            setState(() {
                              choiceIndex = 2;
                            });
                          },
                          child: Image.asset(
                            "assets/image/business_scan_code.webp",
                            width: 52,
                            height: 52,
                          ),
                        )),
                    Expanded(
                        child: GestureDetector(
                          behavior: HitTestBehavior.opaque,
                          onTap: () {
                            setState(() {
                              choiceIndex = 3;
                            });
                          },
                          child: Column(
                            children: [
                              Image.asset(
                                (choiceIndex == 0 || choiceIndex == 1 || choiceIndex == 2 || choiceIndex == 4)
                                    ? "assets/image/business_goods_h.webp"
                                    : "assets/image/business_goods.webp",
                                width: 30,
                                height: 30,
                              ),
                              SizedBox(height: 5.h,),
                              Text(
                                "商品",
                                style: TextStyle(
                                  fontSize: 10.sp,
                                  fontWeight: MyFontWeight.semi_bold,
                                  color: (choiceIndex == 0 || choiceIndex == 1 || choiceIndex == 2 || choiceIndex == 4)
                                      ? Color(0xFFACACAC)
                                      : Color(0xFF4C4C4C),
                                ),
                              ),
                            ],
                          ),
                        )),
                    Expanded(
                        child: GestureDetector(
                          behavior: HitTestBehavior.opaque,
                          onTap: () {
                            setState(() {
                              choiceIndex = 4;
                            });
                          },
                          child: Column(
                            children: [
                              Image.asset(
                                (choiceIndex == 0 || choiceIndex == 1 || choiceIndex == 2 || choiceIndex == 3)
                                    ? "assets/image/business_mine_h.webp"
                                    : "assets/image/business_mine.webp",
                                width: 30,
                                height: 30,
                              ),
                              SizedBox(height: 5.h,),
                              Text(
                                "我的",
                                style: TextStyle(
                                  fontSize: 10.sp,
                                  fontWeight: MyFontWeight.semi_bold,
                                  color:  (choiceIndex == 0 || choiceIndex == 1 || choiceIndex == 2 || choiceIndex == 3)
                                      ? Color(0xFFACACAC)
                                      : Color(0xFF4C4C4C),
                                ),
                              ),
                            ],
                          ),
                        )),
                  ],
                ),
              ),
            ),
          ],
        ),
      ],
    );
  }

  @override
  bool get wantKeepAlive => true;
}