lib/widget/my_refresh_list_public.dart

@@ -17,6 +17,7 @@ class MyListViewPublic extends StatefulWidget {
     this.firstRefresh = true,
     this.emptyText,
     this.emptyImg,
+    this.errorImg,
   }) : super(key: key);
 
   final bool canLoadMore; //是否允许上拉
@@ -28,6 +29,9 @@ class MyListViewPublic extends StatefulWidget {
   // 数据为空时，缺省图
   final String? emptyImg;
 
+  //加载错误时，缺省图
+  final String? errorImg;
+
   // (page, pageSize,_requestSuccess,_requestError){}
   final RequestDataCallback requestData;
 

lib/widget/my_subclass_list_public.dart

@@ -47,6 +47,7 @@ class MySubListViewPublic extends StatelessWidget {
       firstRefresh: firstRefresh,
       emptyText: emptyText,
       emptyImg: 'default_drawing_1',
+      errorImg: 'default_drawing_5',
     );
   }
 }
\ No newline at end of file

lib/widget/state_layout.dart

 import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
 import 'package:flutter_clx_base/widget/image_widget.dart';
 
 class StateLayout extends StatefulWidget {
@@ -7,12 +6,15 @@ class StateLayout extends StatefulWidget {
   final StateType type;
   final String? emptyImg;
   final String? hintText;
+  //加载错误，图片
+  final String? errorImg;
 
   const StateLayout({
     Key? key,
     required this.type,
     this.emptyImg,
     this.hintText,
+    this.errorImg,
   }) : super(key: key);
 
   @override
@@ -42,16 +44,13 @@ class _StateLayoutState extends State<StateLayout> {
   Widget _otherWidget() {
     switch (widget.type) {
       case StateType.network:
-        // return _buildNormalView('icon_no_wifi', '无网络连接');
-        return _buildNormalView(widget.emptyImg ?? '', '无网络连接');
+        return _buildNormalView(widget.errorImg ?? '', '无网络连接');
       case StateType.loading:
         return Container();
       case StateType.empty:
-        // return _buildNormalView('default_drawing_1', widget.hintText ?? '暂无数据');
         return _buildNormalView(widget.emptyImg ?? '', widget.hintText ?? '暂无数据');
       case StateType.error:
-        // return _buildNormalView('icon_list_failure', '请求失败，请重试');
-        return _buildNormalView(widget.emptyImg ?? '', '请求失败，请重试');
+        return _buildNormalView(widget.errorImg ?? '', '加载失败，请重试');
       case StateType.success:
         return Container();
     }
@@ -63,14 +62,10 @@ class _StateLayoutState extends State<StateLayout> {
       mainAxisAlignment: MainAxisAlignment.center,
       children: <Widget>[
         const SizedBox(height: 30.0),
-
-        Offstage(
-          offstage: _getShowImg(img),
-          child: ImageWidget.loadAssetImage(
-            img,
-            width: 133.5*2,
-            height: 95*2,
-          ),
+        ImageWidget.loadAssetImage(
+          img,
+          width: 133.5*2,
+          height: 95*2,
         ),
         Text(
           hintText,
@@ -86,12 +81,6 @@ class _StateLayoutState extends State<StateLayout> {
     );
   }
 
-  bool _getShowImg(String img) {
-    if (img.isNotEmpty && widget.type == StateType.empty) {
-      return false;
-    }
-    return true;
-  }
 }
 
 enum StateType {