1、分类 标签为空展示逻辑

lib/pages/library/controller.dart

@@ -121,12 +121,18 @@ class LibraryController extends GetxController with GetTickerProviderStateMixin{
     for(FilterModel model in filterCategories){
       model.selected = false;
     }
-    filterCategories.first.selected = true;
+    if(filterCategories.isNotEmpty){
+      selectedCategory = filterCategories.first;
+      selectedCategory.selected = true;
 
+    }
     for(FilterModel model in filterLabels){
       model.selected = false;
     }
-    filterLabels.first.selected = true;
+    if(filterLabels.isNotEmpty){
+      selectedLabel = filterLabels.first;
+      selectedLabel.selected = true;
+    }
 
     for(FilterModel model in filterFree){
       model.selected = false;
@@ -135,8 +141,9 @@ class LibraryController extends GetxController with GetTickerProviderStateMixin{
     for(FilterModel model in filterDown){
       model.selected = false;
     }
-    update();
 
+    // onRefresh();
+    update();
   }
 
   /// 确定
@@ -206,8 +213,10 @@ class LibraryController extends GetxController with GetTickerProviderStateMixin{
     filterCategories = categories.map((model) {
       return FilterModel(id: model.categoryId.toString(), name: model.name??'',selected: model.selected);
     }).toList();
+    if(filterCategories.isNotEmpty){
       selectedCategory = filterCategories.first;
       selectedCategory.selected = true;
+    }
     update();
   }
 
@@ -218,8 +227,10 @@ class LibraryController extends GetxController with GetTickerProviderStateMixin{
     filterLabels = labels.map((model) {
       return FilterModel(id: model.labelId.toString(), name: model.name??'',selected: model.selected);
     }).toList();
+    if (filterLabels.isNotEmpty){
       selectedLabel = filterLabels.first;
       selectedLabel.selected = true;
+    }
     update(['label']);
 
 

lib/pages/library/view.dart

@@ -41,8 +41,8 @@ class _LibraryPageState extends State<LibraryPage>  {
             Row(
               crossAxisAlignment: CrossAxisAlignment.center,
               children: [
-                Expanded(child: _buildCategory()),
-                GestureDetector(
+                controller.filterCategories.isEmpty?const SizedBox():Expanded(child: _buildCategory()),
+                controller.filterCategories.isEmpty?const SizedBox():GestureDetector(
                   onTap: (){
                     controller.setShow(controller.show);
                   },
@@ -115,7 +115,8 @@ class _LibraryPageState extends State<LibraryPage>  {
               controller.sureFilter();
             },
             resetTap: (){
-
+              // controller.setShow(controller.show);
+              controller.resetFilter();
             },),
         ),
       ],

lib/pages/library/widgets/filter.dart

@@ -41,8 +41,8 @@ class _FilterPageState extends State<FilterPage> {
                   Column(
                     crossAxisAlignment: CrossAxisAlignment.start,
                     children: [
-                      _buildWrapWidget('分类', widget.controller.filterCategories),
-                      _buildWrapWidget('标签', widget.controller.filterLabels),
+                      widget.controller.filterCategories.isEmpty?const SizedBox():_buildWrapWidget('分类', widget.controller.filterCategories),
+                      widget.controller.filterLabels.isEmpty?const SizedBox():_buildWrapWidget('标签', widget.controller.filterLabels),
                       _buildWrapWidget('是否收费', widget.controller.filterFree),
                       _buildWrapWidget('排序', widget.controller.filterDown),
                     ],
@@ -60,9 +60,7 @@ class _FilterPageState extends State<FilterPage> {
                 children: [
                   Expanded(
                     child: GestureDetector(
-                      onTap: (){
-                        widget.controller.resetFilter();
-                      },
+                      onTap: widget.resetTap,
                       child: Container(
                         alignment: Alignment.center,
                         height: 35.w,