增加websocket

src/main/java/com/onekeycall/videotablet/controller/WebSocketController.java

@@ -0,0 +1,25 @@
+package com.onekeycall.videotablet.controller;
+
+import com.onekeycall.videotablet.handler.CustomWebSocketHandler;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/ws")
+public class WebSocketController {
+
+    private final CustomWebSocketHandler webSocketHandler;
+
+    public WebSocketController(CustomWebSocketHandler webSocketHandler) {
+        this.webSocketHandler = webSocketHandler;
+    }
+
+    @PostMapping("/broadcast")
+    public ResponseEntity<String> broadcast(@RequestBody String message) {
+        webSocketHandler.broadcast(message);
+        return ResponseEntity.ok("广播发送成功");
+    }
+}