feat: 完成通知公告功能

2024-02-21 15:45:47 +08:00
parent 1907acd35d
commit f77887e6a3
6 changed files with 165 additions and 10 deletions
--- a/Yi.Bbs.Vue3/src/utils/noticeSignalR.js
+++ b/Yi.Bbs.Vue3/src/utils/noticeSignalR.js
@@ -0,0 +1,107 @@
+// 官方文档：https://docs.microsoft.com/zh-cn/aspnet/core/signalr/javascript-client?view=aspnetcore-6.0&viewFallbackFrom=aspnetcore-2.2&tabs=visual-studio
+import * as signalR from "@microsoft/signalr";
+
+export default {
+  // signalR对象
+  SR: {},
+  // 失败连接重试次数
+  failNum: 4,
+  async init(url) {
+    const connection = new signalR.HubConnectionBuilder()
+      .withUrl(`${import.meta.env.VITE_APP_BASE_WS}/` + url)
+      .withAutomaticReconnect() //自动重新连接
+      .configureLogging(signalR.LogLevel.Information)
+      .build();
+
+
+    this.SR = connection;
+    // 断线重连
+    connection.onclose(async () => {
+      console.log("断开连接了");
+      console.assert(
+        connection.state === signalR.HubConnectionState.Disconnected
+      );
+      // 建议用户重新刷新浏览器
+    });
+
+    connection.onreconnected(() => {
+      console.log("断线重新连接成功");
+    });
+    this.receiveMsg(connection);
+    // 启动
+    await this.start();
+  },
+  /**
+   * 调用 this.signalR.start().then(async () => { await this.SR.invoke("method")})
+   * @returns
+   */
+  async close() {
+    try {
+      var that = this;
+      await this.SR.stop();
+      this.SR = {};
+    } catch { }
+  },
+
+  async start() {
+    var that = this;
+
+    try {
+      //使用async和await 或 promise的then 和catch 处理来自服务端的异常
+      await this.SR.start();
+      //console.assert(this.SR.state === signalR.HubConnectionState.Connected);
+      //console.log('signalR 连接成功了', this.SR.state);
+      return true;
+    } catch (error) {
+      that.failNum--;
+      //console.log(`失败重试剩余次数${that.failNum}`, error)
+      if (that.failNum > 0) {
+        setTimeout(async () => {
+          await this.SR.start();
+        }, 5000);
+      }
+      return false;
+    }
+  },
+  // 接收消息处理
+  receiveMsg(connection) {
+    connection.on("receiveNotice", (type, title, content) => {
+
+      switch (type) {
+        case "MerryGoRound":
+          ElNotification({
+            title: title,
+            dangerouslyUseHTMLString: true,
+            message: content,
+          })
+          break;
+          case "Popup":
+            ElNotification({
+              title: title,
+              dangerouslyUseHTMLString: true,
+              message: content,
+            })
+            break;
+      }
+    });
+
+    // connection.on("onlineNum", (data) => {
+    //   store.dispatch("socket/changeOnlineNum", data);
+    // });
+    // // 接收欢迎语
+    // connection.on("welcome", (data) => {
+    //   console.log('welcome', data)
+    //   Notification.info(data)
+    // });
+    // // 接收后台手动推送消息
+    // connection.on("receiveNotice", (title, data) => {
+    //   Notification({
+    //     type: 'info',
+    //     title: title,
+    //     message: data,
+    //     dangerouslyUseHTMLString: true,
+    //     duration: 0
+    //   })
+    // })
+  },
+};