Fiji/ysairplane1/lib/code/YSCourse.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:ysairplane/code/YSCourseDetail.dart';
import 'package:ysairplane/tools/YSNetWorking.dart';
import 'package:ysairplane/tools/YSTools.dart';

class YSCourse extends StatefulWidget {
  @override
  _YSCourseState createState() => _YSCourseState();
}

class _YSCourseState extends State<YSCourse> with AutomaticKeepAliveClientMixin{
  int _selected = 0;
  int _page = 1;
  List _dataArray = [];
  @override
  bool get wantKeepAlive => true;
  @override
  void initState() {
    Future.delayed(Duration(seconds: 0)).then((value){
      _refreshData();
    });
    super.initState();
  }
  @override
  Widget build(BuildContext context) {
    super.build(context);
    return Scaffold(
      backgroundColor: Color(0xFFF5F5F5),
      appBar: CupertinoNavigationBar(
        transitionBetweenRoutes: false,
        backgroundColor: Colors.white,
        border: Border(),
        middle: Container(
          margin: EdgeInsets.only(left: wsp(150),right: wsp(150)),
          width: MediaQuery.of(context).size.width-wsp(300),
          child: ListView.builder(
            itemBuilder: (context,index){
              return GestureDetector(
                onTap: (){
                  _selected = index;
                  _refreshData();
                },
                child: Container(
                  width: (MediaQuery.of(context).size.width-wsp(300))/3,
                  alignment: Alignment.center,
                  child: Text('${index==0?'全部':index==1?'未出行':'已完成'}',
                    style: TextStyle(color: _selected==index?Color(0xFF2674ED):Color(0xFF999999),fontWeight: _selected==index?FontWeight.bold:FontWeight.normal,fontSize: zsp(34)),),
                ),
              );
            },
            itemCount: 3,
            padding: EdgeInsets.all(0),
            scrollDirection: Axis.horizontal,
          ),
        ),
      ),
      body: EasyRefresh(
        onRefresh: _refreshData,
        onLoad: _loadMoreData,
        header: TaurusHeader(

        ),
        footer: TaurusFooter(

        ),
        child: ListView.separated(
          itemBuilder: (context,index){
            return GestureDetector(
              onTap: (){
                Navigator.of(context).push(
                  CupertinoPageRoute(
                    builder: (context){
                      return YSCourseDetail(orderStr: _dataArray[index]['orderSn'],);
                    }
                  )
                );
              },
              child: Container(
                decoration: BoxDecoration(
                  color: Colors.white,
                  borderRadius: BorderRadius.all(Radius.circular(10))
                ),
                child: Column(
                  children: [
                    Container(
                      padding: EdgeInsets.all(hsp(20)),
                      child: Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: [
                          Text('${_dataArray[index]['name']}',style: TextStyle(fontSize: zsp(30),color: Color(0xFF141416),fontWeight: FontWeight.bold),),
                          Text(_dataArray[index]['consumed']==1?'未出行':'已完成',style: TextStyle(fontSize: zsp(30),color: Color(0xFF2B7BF6)),)
                        ],
                      ),
                    ),
                    Divider(height: 1,thickness: 1,color: Color(0xFFF5F5F5),),
                    Container(
                      padding: EdgeInsets.all(hsp(20)),
                      child: Row(
                        children: [
                          Icon(Icons.access_time,color: Color(0xFFBABAC6),size: hsp(28),),
                          Text('   ${_dataArray[index]['time']}',style: TextStyle(fontSize: zsp(28),color: Color(0xFF24242B)),)
                        ],
                      ),
                    ),
                    _dataArray[index]['arrive']!=null?Container(
                      width: MediaQuery.of(context).size.width-hsp(80),
                      child: ListView.builder(
                        itemBuilder: (context,indexSub2){
                          return Row(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Column(
                                children: [
                                  Container(
                                    height: hsp(28),
                                    width: hsp(28),
                                    decoration: BoxDecoration(
                                        color: Colors.white,
                                        borderRadius: BorderRadius.all(Radius.circular(50)),
                                        border: Border.all(color: indexSub2==0?Color(0xFF02C094):Color(0xFFFB9658),width: wsp(6))
                                    ),
                                    margin: EdgeInsets.only(top: hsp(7),bottom: hsp(7)),
                                  ),
                                  if(indexSub2<1)Container(
                                    height: hsp(28),
                                    child: DashedRect(
                                      color: Color(0xFFCACAD4),
                                      strokeWidth: 1,
                                      gap: 1
                                    ),
                                  )
                                ],
                              ),
                              Container(
                                child: indexSub2==1?Row(
                                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                  children: [
                                    Text('   ${_dataArray[index]['setout']}',style: TextStyle(color: Color(0xFF68686F),fontSize: zsp(28))),
                                    Icon(Icons.keyboard_arrow_right,size: hsp(50),color: Color(0xFF999999),)
                                  ],
                                ):Text('   ${_dataArray[index]['arrive']}',style: TextStyle(color: Color(0xFF68686F),fontSize: zsp(28))),
                                width: MediaQuery.of(context).size.width-hsp(120),
                              ),
                            ],
                          );
                        },
                        itemCount: 2,
                        shrinkWrap: true,
                        physics: NeverScrollableScrollPhysics(),
                        padding: EdgeInsets.only(bottom: hsp(20)),
                      ),
                    ):Container(
                      child: Text('${_dataArray[index]['title']}',style: TextStyle(color: Color(0xFF68686F),fontSize: zsp(28))),
                      width: MediaQuery.of(context).size.width-hsp(80),
                      alignment: Alignment.centerLeft,
                      padding: EdgeInsets.only(bottom: hsp(20)),
                    )
                  ],
                ),
              ),
            );
          },
          separatorBuilder: (context,index){
            return Divider(height: hsp(16),thickness: hsp(16),color: Color(0xFFF5F5F5),);
          },
          itemCount: _dataArray.length,
          padding: EdgeInsets.all(hsp(20)),
          shrinkWrap: true,
        ),
      ),
    );
  }

  Future<void> _refreshData() async{
    _page = 1;
    Map request = {};
    request['type'] = _selected+1;
    request['pageNum'] = _page;
    request['pageSize'] = 10;
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/airplaneorder/orderList',parameter: request,isLoading: false,isToken: true);
    if(dict!=null){
      setState(() {
        _dataArray = dict['data']['resultList'];
      });
    }
  }

  Future<void> _loadMoreData() async{
    _page++;
    Map request = {};
    request['type'] = _selected+1;
    request['pageNum'] = _page;
    request['pageSize'] = 10;
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/airplaneorder/orderList',parameter: request,isLoading: false,isToken: true);
    if(dict!=null){
      setState(() {
        _dataArray.addAll(dict['data']['resultList']);
      });
    }
  }
}