feat: 重构signalr，在线人数允许不用登录

Yi.Bbs.Vue3/src/hubs/mainHub.js

@@ -0,0 +1,22 @@
+import signalR from "@/utils/signalR";
+import useSocketStore from "@/stores/socket.js";
+const receiveMsg=(connection)=> {
+    connection.on("onlineNum", (data) => {
+      const socketStore = useSocketStore();
+      socketStore.setOnlineNum(data);
+    });
+    connection.on("forceOut", (msg) => {
+      useUserStore()
+        .logOut()
+        .then(() => {
+          alert(msg);
+          location.href = "/index";
+        });
+    });
+  };
+
+  export default ()=>{
+     signalR.start(`main`,receiveMsg);
+} 
+
+

Yi.Bbs.Vue3/src/hubs/noticeHub.js

@@ -0,0 +1,28 @@
+import signalR from "@/utils/signalR";
+const 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;
+        }
+      });
+  
+  };
+
+  export default ()=>{
+     signalR.start(`notice`,receiveMsg);
+} 
+
+