add classSeach

lib/pages/MoreCars/index.dart

 import 'package:farmer_client/pages/home/widgets/home/widgets/headers.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:flutter_easyrefresh/easy_refresh.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 import 'package:get/get.dart';
 
 import '../../models/app.dart';
 
 class _MoreCarsState extends State<MoreCars> with TickerProviderStateMixin {
   late TabController _controller;
+  late EasyRefreshController _controllerList;
+
   final tabText = Rx<List<CardTypeModel>>([]);
   final classId = Rx<List<dynamic>>([]);
   final cardTypeList = Rx<List<CardListModel>>([]);
-
+  final newCardTypeList = Rx<List<CardListModel>>([]);
+  var pageIndex = 1; //页数
+  var count = 10; //每页10条
+  late int maxSum; //最多条数
+  String value=''; //最多条数
+  int _count = 0;
   String? location = AppController.t.locationStr;
-  late int _selectedIndex;
   bool hasTopLoad = false;
   int index = 0;
+  String typeId='';
+  Map<String, dynamic> params = {'pageNum': 1,'location':AppController.t.locationStr,'typeId':''};
 
   @override
   void initState() {
     // TODO: implement initState
     super.initState();
     _controller = TabController(length: tabText.value.length, vsync: this);
+    _controllerList = EasyRefreshController();
+
     // _controller.addListener(() {
     //   setState(() => _selectedIndex = _controller.index);
     //   print("liucheng-> ${_controller.indexIsChanging}");
     // });
     _geList();
-
-    _getAllCarsList();
+    getNewData(params);
+    // _getAllCarsList();
   }
 
   @override
   void dispose() {
     super.dispose();
     _controller.dispose();
+    _controllerList.dispose();
   }
 
-//进来拿到全部农机
-  void _getAllCarsList() {
-    EasyLoading.show(status: '数据加载中...');
-    Map<String, dynamic> params = {'pageNum': 1,'location':location};
 
+
+  void getNewData(Map? params) {
+    pageIndex = 1;
+    params!['pageNum'] = pageIndex;
+    print(params['pageNum']);
     getMachinery(params).then((value) {
-      final list = <CardListModel>[];
+      maxSum = value['total'];
+
+      List<CardListModel> list = [];
       value['records'].forEach((item) {
         list.add(CardListModel.fromJson(item));
       });
       cardTypeList(list);
-      EasyLoading.dismiss();
-
+      newCardTypeList(list);
+      _count = cardTypeList.value.length;
     });
   }
-
-  //全部农机分类
   void _geList() {
     getMachineryType().then((value) {
       EasyLoading.show(status: '数据加载中...');
 
     });
   }
-
+  void getMoreData(Map? params) {
+    pageIndex++;
+    params!['pageNum'] = pageIndex;
+    print(params['pageNum']);
+    searchMachinery(params).then((value) {
+      maxSum = value['total'];
+      List<CardListModel> list = [];
+      List<CardListModel> Newlist = [];
+      value['records'].forEach((item) {
+        list.add(CardListModel.fromJson(item));
+      });
+      newCardTypeList.value.addAll(list);
+      Newlist.addAll(newCardTypeList.value);
+      cardTypeList(Newlist);
+      _count = cardTypeList.value.length;
+    });
+  }
   void _handleTabChange(i) {
     index = i;
     if (index == 0) {
-      _getAllCarsList();
+      Map<String, dynamic> paramss = {'pageNum': 1,'location':location};
+      getNewData(paramss);
     } else {
-      final typeId = classId.value[index];
+      // final typeId = classId.value[index];
+      print('typeId+$typeId');
+      typeId=classId.value[index];
       print('typeId+$typeId');
-      EasyLoading.show(status: '数据加载中...');
 
-      typeMachinery(location ?? '112.087465,32.687507', typeId.toString())
-          .then((value) {
-        final list = <CardListModel>[];
-        value['records'].forEach((item) {
-          list.add(CardListModel.fromJson(item));
-        });
-        cardTypeList(list);
-        EasyLoading.dismiss();
 
-      });
+      // Map<String, dynamic> params = {'pageNum': 1,'location':location,'typeId':typeId.toString()};
+      params['typeId']=classId.value[index];
+      getNewData(params);
+
     }
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-        resizeToAvoidBottomInset: false,
+        resizeToAvoidBottomInset: true,
         appBar: AppBar(
           centerTitle: true,
           backgroundColor: Colors.transparent,
         ),
         body: SafeArea(
             child: Container(
-          alignment: Alignment.center,
-          decoration: BoxDecoration(color: Colors.white),
-          child: !hasTopLoad
-              ? ListView(children: [
-                  Column(
+              alignment: Alignment.center,
+              decoration: BoxDecoration(color: Colors.white),
+              child: !hasTopLoad
+                  ?  Column(
+                children: [
+                  ListView(
+                    shrinkWrap: true,
+                    physics: NeverScrollableScrollPhysics(),
                     children: [
                       Container(
                         padding: EdgeInsets.fromLTRB(0, 15, 0, 15),
                         ),
                       ),
                       Obx(() => TabBar(
-                            labelStyle: TextStyle(
-                                fontSize: ScreenUtil().setSp(19),
-                                fontWeight: FontWeight.bold),
-                            //选中的样式
-                            unselectedLabelStyle:
-                                TextStyle(fontSize: ScreenUtil().setSp(16)),
-                            //未选中的样式
-                            controller: _controller,
-                            isScrollable: true,
-                            //可滚动
-                            indicatorColor: Colors.black,
-                            //指示器的颜色
-                            labelColor: Colors.black,
-                            //选中文字颜色
-                            unselectedLabelColor: Color(0xffadadad),
-                            // indicatorSize: TabBarIndicatorSize.label, //指示器与文字等宽
-                            tabs: tabText.value
-                                .map((e) => Tab(text: e.name.toString()))
-                                .toList(),
-                            onTap: (int i) {
-                              _handleTabChange(i);
-                            },
-                          )),
-                      Container(
-                        child: Obx(() => Column(
-                              children: cardTypeList.value.length > 0
-                                  ? cardTypeList()
-                                      .map((item) => CarsCard(item: item))
-                                      .toList()
-                                  : [NullCard(text: '暂无农机信息！')],
-                            )),
-                      )
+                        labelStyle: TextStyle(
+                            fontSize: ScreenUtil().setSp(19),
+                            fontWeight: FontWeight.bold),
+                        //选中的样式
+                        unselectedLabelStyle:
+                        TextStyle(fontSize: ScreenUtil().setSp(16)),
+                        //未选中的样式
+                        controller: _controller,
+                        isScrollable: true,
+                        //可滚动
+                        indicatorColor: Colors.black,
+                        //指示器的颜色
+                        labelColor: Colors.black,
+                        //选中文字颜色
+                        unselectedLabelColor: Color(0xffadadad),
+                        // indicatorSize: TabBarIndicatorSize.label, //指示器与文字等宽
+                        tabs: tabText.value
+                            .map((e) => Tab(text: e.name.toString()))
+                            .toList(),
+                        onTap: (int i) {
+                          _handleTabChange(i);
+                        },
+                      )),
                     ],
+                  ),
+                  Expanded(
+                    child: _buildListView(context),
                   )
-                ])
-              : Text('加载中...'),
-        )));
+                ],
+              )
+                  : Text('加载中...'),
+            )));
   }
+  Widget _buildListView(BuildContext context) {
+    return EasyRefresh(
+      controller: _controllerList,
+      firstRefresh: true,
+      onRefresh: () async {
+        await Future.delayed(Duration(seconds: 1), () {
+          print("下拉刷新-----");
+          // Map<String, dynamic> params = {'pageNum': pageIndex,'location':AppController.t.locationStr,'q':value};
+
+          getNewData(params);
+          _controllerList.resetLoadState();
+        });
+      },
+      onLoad: () async {
+        await Future.delayed(Duration(seconds: 1), () {
+          if (_count == maxSum) {
+            Fluttertoast.showToast(msg: '暂无更多数据哦');
+          } else {
+            // Map<String, dynamic> params = {'pageNum': pageIndex,'location':AppController.t.locationStr,'q':value};
+
+            getMoreData(params);
+          }
+          _controllerList.finishLoad(noMore: _count >= maxSum);
+
+        });
+      },
+      child: Obx(
+            () => cardTypeList.value.length > 0
+            ?
+        Column(
+          mainAxisSize: MainAxisSize.min,
+          children: cardTypeList.value
+              .map((item) => CarsCard(item: item))
+              .toList(),
+        ): NullCard(text: '暂无农机信息！'),
+      ),
+    );
+  }
+
 }

lib/pages/home/index.dart

 
      return Container(
       decoration: BoxDecoration(color: Colors.white),
-      alignment: Alignment.center,
+      // alignment: Alignment.center,
       padding: EdgeInsets.fromLTRB(15.w, 5.w, 15.w, 0),
       child:Column(
           children: [

lib/pages/search/index.dart

   var location = AppController.t.locationStr;
 
   void _onChange(String value) {
-    value=value;
     Map<String, dynamic> params = {'pageNum': 1,'location':AppController.t.locationStr,'q':value};
 
     getNewData(params);