1、商品列表添加占位图

2、搜索结果页两列修改不能加载更多的bug
3、搜索结果请求参数去掉size，根据返回列表长度判断是否加载完毕

lib/widgets/home/home_goods/home_goods_item.dart

@@ -46,13 +46,14 @@ class HomeGoodsItem extends StatelessWidget {
             Container(
               width: double.infinity,
               margin: EdgeInsets.only(right: 0),
-              child: ClipRRect(
-                borderRadius: BorderRadius.only(
-                    topLeft: Radius.circular(7.5),
-                    topRight: Radius.circular(7.5)),
-                child: CachedNetworkImage(
-                  imageUrl: goods?.goodImage ?? '',
-                  fit: BoxFit.fitWidth,
+              child: ClipRRect(borderRadius: BorderRadius.only(topLeft: Radius.circular(7.5), topRight: Radius.circular(7.5)),
+                child: CachedNetworkImage(imageUrl: goods?.goodImage ?? '', fit: BoxFit.fitWidth,
+                  placeholder: (context, url) {
+                    return _createShimmerWidget(width: double.infinity);
+                  },
+                  errorWidget: (context, url, error,) {
+                    return _createShimmerWidget(width: double.infinity);
+                  },
                 ),
               ),
             ),
@@ -352,4 +353,16 @@ class HomeGoodsItem extends StatelessWidget {
       style: TextStyle(fontSize: 11, color: HexColor.fromHex('#999999')),
     );
   }
+
+  /// 商品占位骨架视图
+  Widget _createShimmerWidget({double width, double height}) {
+    //修改后返回默认图片
+    return Image.asset(
+      'assets/images/occupation_map/occupation_map.png',
+      package: 'zhiying_base_widget',
+      width: width,
+      height: height,
+      fit: BoxFit.fill,
+    );
+  }
 }

lib/widgets/home/home_goods/home_goods_item_single.dart

@@ -59,6 +59,12 @@ class HomeGoodsItemSingle extends StatelessWidget {
                     child: CachedNetworkImage(
                       imageUrl: goods.goodImage,
                       fit: BoxFit.fitHeight,
+                      placeholder: (context, url) {
+                        return _createShimmerWidget(width: double.infinity, height: double.infinity);
+                      },
+                      errorWidget: (BuildContext context, String url, dynamic error) {
+                        return _createShimmerWidget(width: double.infinity, height: double.infinity);
+                      },
                     ),
                   ),
                 ),
@@ -427,4 +433,17 @@ class HomeGoodsItemSingle extends StatelessWidget {
       ],
     );
   }
+
+  /// 商品占位骨架视图
+  Widget _createShimmerWidget({double width, double height}) {
+    //修改后返回默认图片
+    return Image.asset(
+      'assets/images/occupation_map/occupation_map.png',
+      package: 'zhiying_base_widget',
+      width: width,
+      height: height,
+      fit: BoxFit.fill,
+    );
+  }
+
 }

lib/widgets/search_result/goods_list/bloc/search_result_goods_list_bloc.dart

@@ -35,8 +35,8 @@ class SearchResultGoodsListBloc extends Bloc<SearchResultGoodsListEvent, SearchR
     }
 
     /// 上拉更多
-    if (event is SearchResultGoodsListOnLoadEvent && state is SearchResultGoodsListLoadedState) {
-      yield* _mapOnLoadToState(event, state);
+    if (event is SearchResultGoodsListOnLoadEvent && (state is SearchResultGoodsListLoadedState || state is SearchResultGoodsListChangeStyleState)) {
+      yield* _mapOnLoadToState(event);
     }
 
     /// 修改样式
@@ -77,7 +77,7 @@ class SearchResultGoodsListBloc extends Bloc<SearchResultGoodsListEvent, SearchR
   }
 
   /// 上拉更多
-  Stream<SearchResultGoodsListState> _mapOnLoadToState(SearchResultGoodsListOnLoadEvent event, SearchResultGoodsListLoadedState state) async* {
+  Stream<SearchResultGoodsListState> _mapOnLoadToState(SearchResultGoodsListOnLoadEvent event) async* {
     var result = await repository.fetchLoadData();
     if (!EmptyUtil.isEmpty(result)) {
       yield SearchResultGoodsListLoadSuccessState();
@@ -93,7 +93,7 @@ class SearchResultGoodsListBloc extends Bloc<SearchResultGoodsListEvent, SearchR
     if (!EmptyUtil.isEmpty(result)) {
       yield SearchResultGoodsListChangeStyleState(result['style'], result['datas']);
     } else {
-      // yield SearchResultGoodsListNoMoreDataState();
+      yield SearchResultGoodsListErrorState();
     }
   }
 

lib/widgets/search_result/goods_list/bloc/search_result_goods_list_repository.dart

@@ -88,7 +88,7 @@ class SearchResultGoodsListRepository {
     var result = await NetUtil.post(url,
         params: {
           'keyword': keyword,
-          'size': MAX.toString(),
+          // 'size': MAX.toString(),
           'p': _currentPage.toString(),
         },
         method: NetMethod.POST);
@@ -96,7 +96,7 @@ class SearchResultGoodsListRepository {
       // search_list
       if (NetUtil.isSuccess(result) && !EmptyUtil.isEmpty(result[GlobalConfig.HTTP_RESPONSE_KEY_DATA])) {
         List data = List.from(result[GlobalConfig.HTTP_RESPONSE_KEY_DATA]['search_list']);
-        if (data.length >= MAX) {
+        if ((data?.length ?? 0) > 0) {
           _hasNomore = true;
           ++_currentPage;
         } else {