|  |  | 
 |  |  | import org.springframework.beans.factory.annotation.Autowired; | 
 |  |  | import org.springframework.stereotype.Controller; | 
 |  |  | import org.springframework.web.bind.annotation.CrossOrigin; | 
 |  |  | import org.springframework.web.bind.annotation.PostMapping; | 
 |  |  | import org.springframework.web.bind.annotation.GetMapping; | 
 |  |  | import org.springframework.web.bind.annotation.RequestMapping; | 
 |  |  | import org.springframework.web.bind.annotation.RequestParam; | 
 |  |  | import org.springframework.web.servlet.mvc.method.annotation.SseEmitter; | 
 |  |  | 
 |  |  |     @ApiImplicitParams({ | 
 |  |  |             @ApiImplicitParam(name = "browserId", value = "浏览器ID", dataTypeClass = String.class), | 
 |  |  |     }) | 
 |  |  |     @PostMapping("/emit") | 
 |  |  |     @GetMapping("/emit") | 
 |  |  |     public SseEmitter emit(@RequestParam String browserId) { | 
 |  |  |         final SseEmitter sseEmitter = new SseEmitter(0L); | 
 |  |  |         try { |