群解散时，无论在群组中的哪个页面，都退回到会话列表页面

pages/im/group/chat.vue

@@ -21,8 +21,12 @@
     import sentMessageBar from '../components/sentMessageBar'
     import showMessageCell from '../components/showMessageCell'
     import utils from '@/utils/index.js'
-
-    export default {
+    import onGroupDismiss from '@/utils/im/onGroupDismiss.js'
+    
+    export default {
+        mixins: [
+            onGroupDismiss
+        ],
         components: {
             sentMessageBar,
             showMessageCell
@@ -59,11 +63,9 @@
             })
             // 获取历史消息列表
             this.getMessageList()
-            // 监听收到本群的消息，追加消息
-            uni.$on('onReceiveMessage', (msg) => {
-                if (msg.targetId == this.targetId) {
-                    this.getNewMessage()
-                }
+            // 监听新消息
+            uni.$on('onReceiveMessage_' + this.targetId, (message) => {
+                this.getNewMessage()
             })
             uni.$on('onReceiptRequest', (msg) => {
                 if (msg.targetId == this.targetId) {
@@ -101,6 +103,7 @@
             })
         },
         onUnload() {
+            uni.$off('onReceiveMessage_' + this.targetId)
             uni.$off('onRecallMessage')
             uni.$off('onReceiptRequest')
             uni.$off('onReceiptResponse')
@@ -164,7 +167,7 @@
         },
         onHide() {
             // console.log(JSON.stringify(this.$refs))
-            this.$refs.voice.stopPlay()
+            // this.$refs.voice.stopPlay()
         }
     }
 </script>