Merge branch 'master' of http://git.ruanyiit.com/zhanghong/laki_icu_app

lib/views/monitoring/index/widgets/monitoring_alert_card.dart

@@ -12,15 +12,15 @@ class MonitoringAlertCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final hasPending = alerts.any((item) => item.status.contains('待处理'));
+    final hasEmpty = alerts.isEmpty; // alerts.any((item) => item.status.contains('待处理'));
     return Container(
       padding: EdgeInsets.symmetric(horizontal: 35.w, vertical: 30.h),
       decoration: BoxDecoration(
         image: DecorationImage(
           image: AssetImage(
-            hasPending
-                ? 'lib/assets/monitoring/alert_box_bg_2.png'
-                : 'lib/assets/monitoring/alert_box_bg_1.png',
+            hasEmpty
+                ? 'lib/assets/monitoring/alert_box_bg_1.png'
+                : 'lib/assets/monitoring/alert_box_bg_2.png',
           ),
           fit: BoxFit.fill,
         ),
@@ -38,7 +38,7 @@ class MonitoringAlertCard extends StatelessWidget {
           ),
           SizedBox(height: 24.h),
           Expanded(
-            child: alerts.isEmpty ? _buildEmpty() : _buildList(),
+            child: hasEmpty ? _buildEmpty() : _buildList(),
           ),
         ],
       ),
@@ -47,9 +47,20 @@ class MonitoringAlertCard extends StatelessWidget {
 
   Widget _buildEmpty() {
     return Center(
-      child: Text(
-        '暂无告警信息',
-        style: TextStyle(color: Colors.white70, fontSize: 18.sp),
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Image.asset(
+            'lib/assets/monitoring/cat_stand.png',
+            width: 160.w,
+            height: 163.h,
+          ),
+          SizedBox(height: 40.h),
+          Text(
+            '设备运行正常',
+            style: TextStyle(color: Colors.white, fontSize: 32.sp),
+          ),
+        ],
       ),
     );
   }
@@ -58,7 +69,7 @@ class MonitoringAlertCard extends StatelessWidget {
     return ListView.separated(
       // padding: EdgeInsets.symmetric(vertical: 6.h),
       itemCount: alerts.length,
-      separatorBuilder: (_, __) => SizedBox(height: 16.h),
+      separatorBuilder: (_, __) => SizedBox(height: 32.h),
       itemBuilder: (context, index) {
         final item = alerts[index];
         final pending = item.status.contains('待处理');