mod: 搜索页面完善

lib/pages/search/view.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
 import 'package:pilipala/common/widgets/http_error.dart';
 import 'controller.dart';
@@ -10,11 +11,27 @@ class SearchPage extends StatefulWidget {
 
   @override
   State<SearchPage> createState() => _SearchPageState();
+  static final RouteObserver<PageRoute> routeObserver =
+      RouteObserver<PageRoute>();
 }
 
-class _SearchPageState extends State<SearchPage> {
+class _SearchPageState extends State<SearchPage> with RouteAware {
   final SearchController _searchController = Get.put(SearchController());
 
+  @override
+  // 返回当前页面时
+  void didPopNext() async {
+    _searchController.searchFocusNode.requestFocus();
+    super.didPopNext();
+  }
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    SearchPage.routeObserver
+        .subscribe(this, ModalRoute.of(context) as PageRoute);
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -148,8 +165,12 @@ class _SearchPageState extends State<SearchPage> {
                       return HotKeyword(
                         width: width,
                         hotSearchList: _searchController.hotSearchList,
-                        onClick: (keyword) =>
-                            _searchController.onClickKeyword(keyword),
+                        onClick: (keyword) async {
+                          _searchController.searchFocusNode.unfocus();
+                          await Future.delayed(
+                              const Duration(milliseconds: 150));
+                          _searchController.onClickKeyword(keyword);
+                        },
                       );
                     } else {
                       return HttpError(

lib/pages/searchPanel/controller.dart

@@ -11,19 +11,14 @@ class SearchPanelController extends GetxController {
   RxInt page = 1.obs;
   RxList resultList = [].obs;
 
-  @override
-  void onInit() {
-    super.onInit();
-  }
-
   Future onSearch({type = 'init'}) async {
     var result = await SearchHttp.searchByType(
         searchType: searchType!, keyword: keyword!, page: page.value);
     if (result['status']) {
-      if (type == 'init') {
+      if (type == 'init' || type == 'onLoad') {
         page.value++;
         resultList.addAll(result['data'].list);
-      } else {
+      } else if (type == 'onRefresh') {
         resultList.value = result['data'].list;
       }
     }
@@ -32,7 +27,7 @@ class SearchPanelController extends GetxController {
 
   Future onRefresh() async {
     page.value = 1;
-    onSearch(type: 'refresh');
+    onSearch(type: 'onRefresh');
   }
 
   // 返回顶部并刷新

lib/pages/searchPanel/view.dart

@@ -23,6 +23,8 @@ class _SearchPanelState extends State<SearchPanel>
     with AutomaticKeepAliveClientMixin {
   late SearchPanelController? _searchPanelController;
 
+  bool _isLoadingMore = false;
+
   @override
   bool get wantKeepAlive => true;
 
@@ -30,11 +32,24 @@ class _SearchPanelState extends State<SearchPanel>
   void initState() {
     super.initState();
     _searchPanelController = Get.put(
-        SearchPanelController(
-          keyword: widget.keyword,
-          searchType: widget.searchType,
-        ),
-        tag: widget.searchType!.type);
+      SearchPanelController(
+        keyword: widget.keyword,
+        searchType: widget.searchType,
+      ),
+      tag: widget.searchType!.type,
+    );
+    ScrollController scrollController =
+        _searchPanelController!.scrollController;
+    scrollController.addListener(() async {
+      if (scrollController.position.pixels >=
+          scrollController.position.maxScrollExtent - 100) {
+        if (!_isLoadingMore) {
+          _isLoadingMore = true;
+          await _searchPanelController!.onSearch(type: 'onLoad');
+          _isLoadingMore = false;
+        }
+      }
+    });
   }
 
   @override
@@ -71,9 +86,14 @@ class _SearchPanelState extends State<SearchPanel>
                 ),
               );
             } else {
-              return HttpError(
-                errMsg: data['msg'],
-                fn: () => setState(() {}),
+              return CustomScrollView(
+                physics: const NeverScrollableScrollPhysics(),
+                slivers: [
+                  HttpError(
+                    errMsg: data['msg'],
+                    fn: () => setState(() {}),
+                  ),
+                ],
               );
             }
           } else {