<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
</dependency>

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface NoRepeatRequest {
}

@Component
public class NoRepeatRequestInterceptor implements HandlerInterceptor {
   private Map<String, Object> requestMap = new ConcurrentHashMap<>();
   @Override
   public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
       // 獲取請(qǐng)求的URL和方法名
       String url = request.getRequestURL().toString();
       String method = request.getMethod();
       // 生成請(qǐng)求的唯一標(biāo)識(shí)
       String key = url + "_" + method;
       // 如果容器中已存在該請(qǐng)求，則表示是重復(fù)請(qǐng)求
       if (requestMap.containsKey(key)) {
           response.getWriter().write("Duplicate request");
           return false;
       }
       // 將請(qǐng)求添加到容器中
       requestMap.put(key, new Object());
       return true;
   }
   @Override
   public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
       // 請(qǐng)求處理完畢后，從容器中移除該請(qǐng)求
       String url = request.getRequestURL().toString();
       String method = request.getMethod();
       String key = url + "_" + method;
       requestMap.remove(key);
   }
}

@Configuration
public class WebConfig implements WebMvcConfigurer {
   @Autowired
   private NoRepeatRequestInterceptor noRepeatRequestInterceptor;
   @Override
   public void addInterceptors(InterceptorRegistry registry) {
       registry.addInterceptor(noRepeatRequestInterceptor)
               .addPathPatterns("/**")  // 可以根據(jù)具體的URL進(jìn)行配置
               .excludePathPatterns("/error");  // 排除錯(cuò)誤頁面的攔截
   }
}

@Controller
public class TestController {
   @NoRepeatRequest
   @RequestMapping("/test")
   @ResponseBody
   public String test() {
       // 處理業(yè)務(wù)邏輯
       return "success";
   }
}