Fiji/ysairplane1/lib/code/YSHome.dart

import 'dart:convert';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:ysairplane/code/YSCity.dart';
import 'package:ysairplane/code/YSDoctorPlane.dart';
import 'package:ysairplane/code/YSHelpPlane.dart';
import 'package:ysairplane/code/YSHomeMsg.dart';
import 'package:ysairplane/code/YSSearch.dart';
import 'package:ysairplane/code/YSShortGoods.dart';
import 'package:ysairplane/code/YSShortPlane.dart';
import 'package:ysairplane/code/YSTravelling.dart';
import 'package:ysairplane/tools/YSNetWorking.dart';
import 'package:flutter_swiper/flutter_swiper.dart';
import 'package:ysairplane/code/YSNews.dart';
import 'package:ysairplane/tools/YSTools.dart';
import 'YSContractPlane.dart';
import 'YSSightseeingPlane.dart';

class YSHome extends StatefulWidget {
  @override
  _YSHomeState createState() => _YSHomeState();
}

class _YSHomeState extends State<YSHome> with AutomaticKeepAliveClientMixin{
  @override
  bool get wantKeepAlive => true;
  List _banners = List();
  List _products = List();
  Map _advertising;
  String _city = '';
  List _dataArray = [];
  @override
  void initState() {
    Future.delayed(Duration(seconds: 0)).then((value){
      _getFeatureDisplayShowData();
    });
    super.initState();
  }
  @override
  Widget build(BuildContext context) {
    super.build(context);
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: CupertinoNavigationBar(
        leading: GestureDetector(
          onTap: (){
            Navigator.of(context,rootNavigator: true).push(
              CupertinoPageRoute(
                builder: (context){
                  return YSCity();
                }
              )
            ).then((value){
              if(value!=null){
                _city = value['display'];
                _getFeatureDisplayListData(_city);
               // _getFeatureDisplayListData();
              }
            });
          },
          child: Row(
            mainAxisSize: MainAxisSize.min,
            children: [
              Container(
                width: hsp(35*(_city.length>5?5:_city.length)),
                child: Text(_city,style: TextStyle(fontSize: zsp(28),color: Color(0xFF8E8E93)),overflow: TextOverflow.ellipsis,),
              ),
              Icon(Icons.keyboard_arrow_down,size: zsp(30),color: Color(0xFF8E8E93),)
            ],
          ),
        ),
        middle: GestureDetector(
          onTap: (){
            Navigator.of(context,rootNavigator: true).push(
              CupertinoPageRoute(
                builder: (context){
                  return YSSearch();
                }
              )
            );
          },
          child: Container(
            height: hsp(66),
            padding: EdgeInsets.only(left: wsp(30),right: wsp(30)),
            decoration: BoxDecoration(
              color: Color(0xFFF0F0F1),
              borderRadius: BorderRadius.all(Radius.circular(5))
            ),
            child: Row(
              children: [
                Icon(Icons.search,size: hsp(40),color: Color(0xFF8E8E93),),
                Text('  目的地·酒店·关键词',style: TextStyle(fontSize: zsp(28),color: Color(0xFF8E8E93),fontWeight: FontWeight.normal),)
              ],
            ),
          ),
        ),
        trailing: GestureDetector(
          onTap: (){
            Navigator.of(context,rootNavigator: true).push(
                CupertinoPageRoute(
                    builder: (context){
                      return YSHomeMsg();
                    }
                )
            );
          },
          child: Container(
            height: hsp(45),
            width: wsp(45),
            child: Image.asset('lib/images/homeMsg.png'),
          ),
        ),
        border: Border.all(width: 0.5,color: Colors.white),
      ),
      body: Container(
        height: MediaQuery.of(context).size.height-MediaQuery.of(context).padding.top-94,
        child: SingleChildScrollView(
          padding: EdgeInsets.all(0),
          child: Column(
            children: [
              Container(
                height: hsp(292),
                margin: EdgeInsets.all(hsp(24)),
                child: _banners.length>0?Swiper(
                  itemBuilder: (BuildContext context, int index) {
                    return CachedNetworkImage(
                      imageUrl: '${_banners[index]['url']}',
                      fit: BoxFit.fill,
                    );
                  },
                  itemCount: _banners.length,
                  scrollDirection: Axis.horizontal,
                  loop: true,
                  duration: 300,
                  autoplay: true,
                  onTap: (index) {
                    debugPrint("点击了第:$index个");
                  },
                  pagination: SwiperPagination(
                    alignment: Alignment.bottomCenter,
                    builder: DotSwiperPaginationBuilder(
                      color: Colors.white,
                      activeColor: Colors.white,
                      size: 5.0,
                      activeSize: 10.0
                    ),
                  ),
                  autoplayDisableOnInteraction : true,
                ):Container(),
              ),
              Container(
                margin: EdgeInsets.only(left: hsp(24),right: hsp(24),top: hsp(15),bottom: hsp(34)),
                height: hsp(350),
                child: GridView.builder(
                    gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                        crossAxisCount: 5,
                        crossAxisSpacing: wsp(51),
                        mainAxisSpacing: hsp(36),
                        childAspectRatio: 0.8
                    ),
                    itemBuilder: (context,index){
                      return GestureDetector(
                        onTap: (){
                          Navigator.of(context,rootNavigator: true).push(
                            CupertinoPageRoute(
                              builder: (context){
                                return _products[index]['target']==1?YSDoctorPlane():_products[index]['target']==2?YSHelpPlane():_products[index]['target']==3?YSShortGoods():
                                _products[index]['target']==4?YSSightseeingPlane(type: planeType.marry,):_products[index]['target']==5?YSSightseeingPlane(type: planeType.sport,):_products[index]['target']==6?YSShortPlane():
                                _products[index]['target']==7?YSTravelling():_products[index]['target']==8?YSContractPlane():_products[index]['target']==9?YSSightseeingPlane(type: planeType.sightseeing,):YSNews();
                              }
                            )
                          );
                        },
                        child: Container(
                          child: Column(
                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                            children: [
                              CachedNetworkImage(
                                width: 40,
                                height: 40,
                                imageUrl: '${_products[index]['url']}',
                                fit: BoxFit.fill
                              ),
                              Text('${_products[index]['name']}',style: TextStyle(fontSize: zsp(23),color: Color(0xFF34373A)),)
                            ],
                          ),
                        ),
                      );
                    },
                  itemCount: _products.length,
                  padding: EdgeInsets.all(0),
                  physics: NeverScrollableScrollPhysics(),
                ),
              ),
              if(_advertising!=null)Container(
                margin: EdgeInsets.only(left: hsp(24),right: hsp(24),bottom: hsp(24)),
                height: wsp(136),
                decoration: BoxDecoration(
                  image: DecorationImage(
                    image: NetworkImage('${_advertising['url']}'),
                    fit: BoxFit.fill
                  )
                ),
              ),
              Divider(height: 10,thickness: 10,color: Color(0xFFF5F6F8),),
              ListView.separated(
                itemBuilder: (context,index){
                  return _dataArray[index]['displayType']=='1'?Column(
                    children: [
                      Container(
                        height: hsp(100),
                        padding: EdgeInsets.all(hsp(24)),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            Row(
                              children: [
                                Container(
                                  height: hsp(36),
                                  width: wsp(5),
                                  color: Color(0xFF3676EC),
                                  margin: EdgeInsets.only(right: wsp(20),top: hsp(8)),
                                ),
                                Text('${_dataArray[index]['labelName']}',style: TextStyle(fontSize: zsp(36),color: Color(0xFF181818),fontWeight: FontWeight.bold),)
                              ],
                            ),
                            Row(
                              children: [
                                Text('更多',style: TextStyle(fontSize: zsp(24),color: Color(0xFF999999)),),
                                Icon(Icons.keyboard_arrow_right,size: hsp(30),color: Color(0xFF999999),)
                              ],
                            )
                          ],
                        ),
                      ),
                      Divider(height: 0.5,thickness: 0.5,color: Color(0xFFF1F2F2),),
                      Container(
                        height: hsp(387),
                        margin: EdgeInsets.all(hsp(24)),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            Stack(
                              children: [
                                Container(
                                  height: hsp(387),
                                  width: (MediaQuery.of(context).size.width-wsp(24)*2-wsp(6))/2,
                                  decoration: BoxDecoration(
                                      borderRadius: BorderRadius.all(Radius.circular(5))
                                  ),
                                  child: ClipRRect(
                                    child: CachedNetworkImage(
                                      imageUrl: '${_dataArray[index]['dtAirTours'][0]['cover']}',
                                      fit: BoxFit.fill,
                                    ),
                                    borderRadius: BorderRadius.all(Radius.circular(5)),
                                  )
                                ),
                                Container(
                                  height: hsp(40),
                                  alignment: Alignment.centerLeft,
                                  child: Text('${_dataArray[index]['dtAirTours'][0]['title']}',style: TextStyle(fontSize: zsp(20),color: Colors.white),),
                                  decoration: BoxDecoration(
                                      color: Colors.black26,
                                      borderRadius: BorderRadius.only(bottomRight: Radius.circular(5),topLeft: Radius.circular(5))
                                  ),
                                  padding: EdgeInsets.only(left: hsp(10),right: hsp(10)),
                                )
                              ],
                            ),
                            Column(
                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
                              children: [
                                Stack(
                                  children: [
                                    Container(
                                        height: hsp(387)/2-wsp(6),
                                        width: (MediaQuery.of(context).size.width-wsp(24)*2-wsp(6))/2,
                                        decoration: BoxDecoration(
                                            borderRadius: BorderRadius.all(Radius.circular(5))
                                        ),
                                        child: ClipRRect(
                                          child: CachedNetworkImage(
                                            imageUrl: '${_dataArray[index]['dtAirTours'][1]['cover']}',
                                            fit: BoxFit.fill,
                                          ),
                                          borderRadius: BorderRadius.all(Radius.circular(5)),
                                        )
                                    ),
                                    Container(
                                      height: hsp(40),
                                      alignment: Alignment.centerLeft,
                                      child: Text('${_dataArray[index]['dtAirTours'][1]['title']}',style: TextStyle(fontSize: zsp(20),color: Colors.white),),
                                      decoration: BoxDecoration(
                                          color: Color(0xFFEC6163),
                                          borderRadius: BorderRadius.only(bottomRight: Radius.circular(5),topLeft: Radius.circular(5))
                                      ),
                                      padding: EdgeInsets.only(left: hsp(10),right: hsp(10)),
                                    )
                                  ],
                                ),
                                Stack(
                                  children: [
                                    Container(
                                        height: hsp(387)/2-wsp(6),
                                        width: (MediaQuery.of(context).size.width-wsp(24)*2-wsp(6))/2,
                                        decoration: BoxDecoration(
                                            borderRadius: BorderRadius.all(Radius.circular(5))
                                        ),
                                        child: ClipRRect(
                                          child: CachedNetworkImage(
                                            imageUrl: '${_dataArray[index]['dtAirTours'][2]['cover']}',
                                            fit: BoxFit.fill,
                                          ),
                                          borderRadius: BorderRadius.all(Radius.circular(5)),
                                        )
                                    ),
                                    Container(
                                      height: hsp(40),
                                      alignment: Alignment.centerLeft,
                                      child: Text('${_dataArray[index]['dtAirTours'][2]['title']}',style: TextStyle(fontSize: zsp(20),color: Colors.white),),
                                      decoration: BoxDecoration(
                                          color: Color(0xFFFB882E),
                                          borderRadius: BorderRadius.only(bottomRight: Radius.circular(5),topLeft: Radius.circular(5))
                                      ),
                                      padding: EdgeInsets.only(left: hsp(10),right: hsp(10)),
                                    )
                                  ],
                                ),
                              ],
                            )
                          ],
                        ),
                      ),
                    ],
                  ):_dataArray[index]['displayType']=='2'?Column(
                    children: [
                      Container(
                        height: hsp(100),
                        color: Colors.white,
                        padding: EdgeInsets.all(hsp(24)),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            Row(
                              children: [
                                Container(
                                  height: hsp(36),
                                  width: wsp(5),
                                  color: Color(0xFF3676EC),
                                  margin: EdgeInsets.only(right: wsp(20),top: hsp(8)),
                                ),
                                Text('${_dataArray[index]['labelName']}',style: TextStyle(fontSize: zsp(36),color: Color(0xFF181818),fontWeight: FontWeight.bold),)
                              ],
                            ),
                            Row(
                              children: [
                                Text('更多',style: TextStyle(fontSize: zsp(24),color: Color(0xFF999999)),),
                                Icon(Icons.keyboard_arrow_right,size: hsp(30),color: Color(0xFF999999),)
                              ],
                            )
                          ],
                        ),
                      ),
                      Divider(height: 0.5,thickness: 0.5,color: Color(0xFFF1F2F2),),
                      Container(
                        height: hsp(420),
                        margin: EdgeInsets.only(top: hsp(24),bottom: hsp(24),left: wsp(40),right: wsp(24)),
                        child: Swiper(
                          itemBuilder: (BuildContext context, int indexSub) {
                            return Container(
                                width: wsp(350),
                                margin: EdgeInsets.only(bottom: hsp(20),top: hsp(10)),
                                decoration: BoxDecoration(
                                    color: Colors.white,
                                    boxShadow: [
                                      BoxShadow(
                                        color: Color(0x1A000000),
                                        blurRadius: wsp(20),
                                        offset: Offset(1, 1),
                                      )
                                    ]
                                ),
                                child: Column(
                                  children: [
                                    Stack(
                                      children: [
                                        Container(
                                          height: hsp(200),
                                          width: wsp(350),
                                          decoration: BoxDecoration(
                                            borderRadius: BorderRadius.only(topLeft: Radius.circular(5),topRight: Radius.circular(5)),
                                          ),
                                          child: ClipRRect(
                                            child: CachedNetworkImage(
                                              imageUrl: '${_dataArray[index]['dtAirTours'][indexSub]['cover']}',
                                              fit: BoxFit.fill,
                                            ),
                                            borderRadius: BorderRadius.only(topLeft: Radius.circular(5),topRight: Radius.circular(5)),
                                          )
                                        ),
                                        Row(
                                          children: [
                                            Container(
                                              height: hsp(32),
                                              alignment: Alignment.centerLeft,
                                              child: Text('西安',style: TextStyle(fontSize: zsp(20),color: Colors.white),),
                                              decoration: BoxDecoration(
                                                  color: Color(0xFFE9C68E),
                                                  borderRadius: BorderRadius.only(topLeft: Radius.circular(5),bottomRight: Radius.circular(5))
                                              ),
                                              padding: EdgeInsets.only(left: hsp(10),right: hsp(10)),
                                            )

                                          ],
                                        )
                                      ],
                                    ),
                                    Container(
                                      decoration: BoxDecoration(
                                        borderRadius: BorderRadius.only(bottomLeft: Radius.circular(5),bottomRight: Radius.circular(5)),
                                      ),
                                      child: Column(
                                        children: [
                                          Container(
                                            width: wsp(350),
                                            child: Text('${_dataArray[index]['dtAirTours'][indexSub]['title']}',
                                              style: TextStyle(fontSize: zsp(28),fontWeight: FontWeight.bold,color: Color(0xFF181818)),overflow: TextOverflow.ellipsis,maxLines: 2,),
                                            margin: EdgeInsets.only(top: hsp(20),bottom: hsp(15)),
                                          ),
                                          SingleChildScrollView(
                                            scrollDirection: Axis.horizontal,
                                            child: Row(
                                              children: [
                                                Text('￥',style: TextStyle(fontSize: zsp(20),color: Color(0xFFEB423B),fontWeight: FontWeight.bold),),
                                                Text('${_dataArray[index]['dtAirTours'][indexSub]['price']}',style: TextStyle(fontSize: zsp(38),color: Color(0xFFEB423B),fontWeight: FontWeight.bold),),
                                                Text(' 元起',style: TextStyle(fontSize: zsp(20),color: Color(0xFFEB423B),fontWeight: FontWeight.bold),),
                                                Text('${_dataArray[index]['dtAirTours'][indexSub]['dtFlightInformation']['seatNum']}人体验',style: TextStyle(fontSize: zsp(16),color: Color(0xFFA2A2A2),fontWeight: FontWeight.normal),),
                                              ],
                                            ),
                                          )
                                        ],
                                        crossAxisAlignment: CrossAxisAlignment.start,
                                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                      ),
                                      padding: EdgeInsets.all(hsp(20)),
                                    )
                                  ],
                                ),
                              );
                          },
                          itemCount: (_dataArray[index]['dtAirTours']).length,
                          scrollDirection: Axis.horizontal,
                          loop: true,
                          viewportFraction: 0.5,
                          scale: 0.8,
                          onTap: (index) {
                            debugPrint("点击了第:$index个");
                          },
                        ),
                      ),
                    ],
                  ):Column(
                    children: [
                      Container(
                        height: hsp(100),
                        color: Colors.white,
                        padding: EdgeInsets.all(hsp(24)),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            Row(
                              children: [
                                Container(
                                  height: hsp(36),
                                  width: wsp(5),
                                  color: Color(0xFF3676EC),
                                  margin: EdgeInsets.only(right: wsp(20),top: hsp(8)),
                                ),
                                Text('${_dataArray[index]['labelName']}',style: TextStyle(fontSize: zsp(36),color: Color(0xFF181818),fontWeight: FontWeight.bold),)
                              ],
                            ),
                            Row(
                              children: [
                                Text('更多',style: TextStyle(fontSize: zsp(24),color: Color(0xFF999999)),),
                                Icon(Icons.keyboard_arrow_right,size: hsp(30),color: Color(0xFF999999),)
                              ],
                            )
                          ],
                        ),
                      ),
                      Divider(height: 0.5,thickness: 0.5,color: Color(0xFFF1F2F2),),
                      Container(
                        height: hsp(470),
                        margin: EdgeInsets.all(hsp(24)),
                        child: ListView.separated(
                          scrollDirection: Axis.horizontal,
                          itemBuilder: (context,indexSub){
                            return Container(
                              height: hsp(450),
                              width: wsp(350),
                              decoration: BoxDecoration(
                                  color: Colors.white,
                                  boxShadow: [
                                    BoxShadow(
                                      color: Color(0x1A000000),
                                      blurRadius: wsp(20),
                                      offset: Offset(1, 1),
                                    )
                                  ]
                              ),
                              child: Column(
                                children: [
                                  Stack(
                                    children: [
                                      Container(
                                          height: hsp(210),
                                          width: wsp(330),
                                          decoration: BoxDecoration(
                                            borderRadius: BorderRadius.only(topLeft: Radius.circular(5),topRight: Radius.circular(5)),
                                          ),
                                          child: ClipRRect(
                                            child: CachedNetworkImage(
                                              imageUrl: '${_dataArray[index]['dtAirTours'][indexSub]['cover']}',
                                              fit: BoxFit.fill,
                                            ),
                                            borderRadius: BorderRadius.only(topLeft: Radius.circular(5),topRight: Radius.circular(5)),
                                          )
                                      ),
                                      Row(
                                        children: [
                                          if(_dataArray[index]['dtAirTours'][indexSub]['isVip']==1)Container(
                                            height: hsp(32),
                                            width: wsp(59),
                                            decoration: BoxDecoration(
                                                color: Color(0xFFE9C68E),
                                                borderRadius: BorderRadius.only(topLeft: Radius.circular(5),bottomRight: Radius.circular(5))
                                            ),
                                            padding: EdgeInsets.only(left: wsp(10),right: wsp(10)),
                                            child: Image.asset('lib/images/vip.png'),
                                          )
                                        ],
                                      )
                                    ],
                                  ),
                                  Container(
                                    height: hsp(240),
                                    decoration: BoxDecoration(
                                      borderRadius: BorderRadius.only(bottomLeft: Radius.circular(5),bottomRight: Radius.circular(5)),
                                    ),
                                    child: Column(
                                      children: [
                                        Container(
                                          width: wsp(330),
                                          child: Text('${_dataArray[index]['dtAirTours'][indexSub]['title']}',style: TextStyle(fontSize: zsp(32),fontWeight: FontWeight.bold,color: Color(0xFF181818)),overflow: TextOverflow.ellipsis,),
                                        ),
                                        Row(
                                          children: [
                                            Container(
                                              height: hsp(30),
                                              child: Row(
                                                children: [
                                                  Image(image: AssetImage('lib/images/vip2.png'),height: hsp(15),width: wsp(16),),
                                                  Text(' ${_dataArray[index]['dtAirTours'][indexSub]['dtFlightInformation']['model']}',style: TextStyle(fontSize: zsp(18),color: Color(0xFFF9DEAC)),)
                                                ],
                                              ),
                                              color: Color(0xFF000000),
                                              padding: EdgeInsets.only(left: wsp(7),right: wsp(7)),
                                            ),
                                            Container(
                                              height: hsp(30),
                                              decoration: BoxDecoration(
                                                  border: Border.all(color: Color(0xFF000000),width: 0.1)
                                              ),
                                              padding: EdgeInsets.only(left: wsp(10),right: wsp(10)),
                                              child: Text('座位${_dataArray[index]['dtAirTours'][indexSub]['dtFlightInformation']['seatNum']}',style: TextStyle(fontSize: zsp(18),color: Color(0xFF565656)),),
                                              alignment: Alignment.center,
                                            )
                                          ],
                                        ),
                                        Text('${_dataArray[index]['dtAirTours'][indexSub]['flightTime']}',style: TextStyle(fontSize: zsp(24),color: Color(0xFFA2A2A2)),),
                                        SingleChildScrollView(
                                          scrollDirection: Axis.horizontal,
                                          child: Row(
                                            children: [
                                              Text('￥',style: TextStyle(fontSize: zsp(20),color: Color(0xFFEB423B),fontWeight: FontWeight.bold),),
                                              Text('${_dataArray[index]['dtAirTours'][indexSub]['discountPrice']}',style: TextStyle(fontSize: zsp(38),color: Color(0xFFEB423B),fontWeight: FontWeight.bold),),
                                              Text(' 元起/座',style: TextStyle(fontSize: zsp(20),color: Color(0xFFEB423B),fontWeight: FontWeight.bold),),
                                              Text('   ￥${_dataArray[index]['dtAirTours'][indexSub]['price']}元起/座',style: TextStyle(fontSize: zsp(16),color: Color(0xFFA2A2A2),fontWeight: FontWeight.normal),),
                                            ],
                                          ),
                                        )
                                      ],
                                      crossAxisAlignment: CrossAxisAlignment.start,
                                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                    ),
                                    padding: EdgeInsets.all(hsp(20)),
                                  )
                                ],
                              ),
                            );
                          },
                          separatorBuilder: (context,index){
                            return Container(
                              color: Colors.white,
                              width: wsp(14),
                            );
                          },
                          itemCount: (_dataArray[index]['dtAirTours']).length,
                          padding: EdgeInsets.only(bottom: hsp(20)),
                        ),
                      ),
                    ],
                  );
                },
                separatorBuilder: (context,index){
                  return Divider(height: 10,thickness: 10,color: Color(0xFFF5F6F8),);
                },
                itemCount: _dataArray.length,
                padding: EdgeInsets.all(0),
                shrinkWrap: true,
                physics: NeverScrollableScrollPhysics(),
              ),
              Container(
                height: 30,
                color: Color(0xFFF5F6F8),
              )
            ],
          ),
        ),
      ),
    );
  }
  _getFeatureDisplayShowData() async{
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/featureDisplay/show',parameter: {},isLoading: false,isToken: false);
    if(dict!=null){
      _banners = dict['data']['banner'];
      _products = dict['data']['product'];
      _advertising = dict['data']['advertising'];
      SharedPreferences prefer = await SharedPreferences.getInstance();
      if(prefer.getString('cityHistory')!=null){
        String historyStr = prefer.getString('cityHistory');
        List historyList = jsonDecode(historyStr);
        _city = '${historyList[0]['display']}';
      }else{
        _city = '';
      }
      setState(() {

      });
      _getFeatureDisplayListData(_city);
    }
  }

  _getFeatureDisplayListData(String city) async {
    Map dict = await ysRequestHttp(context, type: requestType.get,api: '/app/applets/featureDisplay/list',parameter: {'city':city},isLoading: true,isToken: false);
    if (dict != null) {
      setState(() {
        _dataArray = dict['data'];
      });
    }
  }
}