From d5def43aed97b5fc7b513b9bd16a496435bb74d1 Mon Sep 17 00:00:00 2001
From: zhangchen <1652267879@qq.com>
Date: 星期四, 24 七月 2025 16:19:41 +0800
Subject: [PATCH] ID1625-sse连接优化

---
 src/store/bedsideAuxiliaryScreen.ts |   56 +++++++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 41 insertions(+), 15 deletions(-)

diff --git a/src/store/bedsideAuxiliaryScreen.ts b/src/store/bedsideAuxiliaryScreen.ts
index 799dd0d..4f07588 100644
--- a/src/store/bedsideAuxiliaryScreen.ts
+++ b/src/store/bedsideAuxiliaryScreen.ts
@@ -2,24 +2,19 @@
 import { ref } from "vue";
 import cache from "../utils/cache";
 import { EventSourcePolyfill } from "event-source-polyfill";
-import type { BedsideAuxiliaryScreen } from './type/bedsideAuxiliaryScreen.type';
-import { defaultDeviceData, defaultconsumablesCollection, formatDeviceData } from './type/bedsideAuxiliaryScreen.type';
-
+import type { BedsideAuxiliaryScreen } from "./type/bedsideAuxiliaryScreen.type";
+import {
+  defaultDeviceData,
+  defaultconsumablesCollection,
+  formatDeviceData,
+} from "./type/bedsideAuxiliaryScreen.type";
+import { ElMessage } from "element-plus/es";
 
 export const useBedsideAuxiliaryScreenStore = defineStore(
   "bedsideAuxiliaryScreen",
   () => {
     /** 设备编号 */
     const deviceCode = ref<string>(cache.get("devcieCode") || "");
-
-    /** 床旁血压计数据 */
-    const bedsideBloodPressureMonitorData = ref({
-      date_time: '',
-      sbp: '',
-      pulseRate: '',
-      dbp: '',
-      zuihouTime: '',
-    });
 
     /** 设备信息数据 */
     const deviceData = ref<BedsideAuxiliaryScreen>(defaultDeviceData());
@@ -38,12 +33,18 @@
     const message = ref<string | null>(null);
     const isConnected = ref(false);
 
+    // 重连控制
+    let retryCount = 0;
+    const maxRetryCount = 60;
+    const baseRetryDelay = 1000; // 1秒开始重连延迟
+
     /**
      * 连接 SSE 服务
      * @param url SSE 地址
      */
     const connect = (url: string) => {
       if (source.value) return; // 已连接,避免重复连接
+      ElMessage.success("正在连接设备,请稍候...");
 
       source.value = new EventSourcePolyfill(url, {
         heartbeatTimeout: 60000,
@@ -51,12 +52,29 @@
 
       source.value.onopen = () => {
         console.log("[SSE] 连接成功");
+        ElMessage.success("链接服务成功");
         isConnected.value = true;
+        retryCount = 0; // 成功连接后重置重试计数
       };
 
       source.value.onerror = (e) => {
         console.warn("[SSE] 错误,等待重连中", e);
         isConnected.value = false;
+        close(); // 关闭旧连接,避免残留
+        if (retryCount < maxRetryCount) {
+          const delay = baseRetryDelay * Math.pow(2, retryCount); // 指数退避
+          retryCount++;
+          console.log(`[SSE] 第${retryCount}次重连,延迟${delay}ms`);
+          ElMessage.warning(
+            `链接服务失败, 第${retryCount}次重连,请耐心等待重连。。`
+          );
+          setTimeout(() => {
+            connect(url);
+          }, delay);
+        } else {
+          console.error("[SSE] 重连次数达到上限,停止重连");
+          ElMessage.error("重连次数达到上限,请检查网络或设备状态");
+        }
       };
 
       source.value.onmessage = (e) => {
@@ -68,11 +86,12 @@
         if (beng !== -1 && end !== -1 && dif !== -1) {
           const datax = msg.slice(beng, end + 1);
           const dataBody = JSON.parse(datax);
-          console.log('dataBody: ', dataBody)
+          console.log("dataBody: ", dataBody);
           // 倒计时提示文本
-          if (dataBody.倒计时?.提示文本) {}
+          if (dataBody.倒计时?.提示文本) {
+          }
 
-          deviceData.value = formatDeviceData(dataBody)
+          deviceData.value = formatDeviceData(dataBody);
         }
       };
     };
@@ -89,6 +108,12 @@
       }
     };
 
+    /** 刷新 SSE 连接 */
+    const refresh = (url: string) => {
+      retryCount = 0;
+      close(); // 先关闭旧连接
+      connect(url); // 再重新连接
+    };
 
     return {
       deviceCode,
@@ -99,6 +124,7 @@
       isConnected,
       connect,
       close,
+      refresh,
     };
   }
 );

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