websocket逻辑优化

src/App.vue

@@ -1,6 +1,6 @@
 <script setup>
 import { watch } from "vue";
-import { onShow } from "@dcloudio/uni-app";
+import { onShow, onHide } from "@dcloudio/uni-app";
 import websocket from "@/websocket";
 import useStore from "@/store";
 import { storeToRefs } from "pinia";
@@ -30,18 +30,16 @@ watch(
 onShow(() => {
   const token = uni.getStorageSync("token");
   if (user.value.id && token) {
-    // 检查 WebSocket 连接状态
-    uni.sendSocketMessage({
-      data: JSON.stringify({ event: "ping", data: {} }),
-      fail: () => {
-        // 如果发送失败，说明连接已断开，需要重新连接
-        websocket.createWebSocket(token, (content) => {
-          uni.$emit("socket-inbox", content);
-        });
-      },
+    console.log("回到前台，重新连接 websocket");
+    websocket.createWebSocket(token, (content) => {
+      uni.$emit("socket-inbox", content);
     });
   }
 });
+
+onHide(() => {
+  websocket.closeWebSocket();
+});
 </script>
 
 <style>