The DispatcherServlet configuration needs to include a HandlerAdapter that suppo

代码如下，项目启动成功，访问报错

@Controller("/demo")
@ResponseBody
public class DemoController {

    @GetMapping("/testDemo")
    public String testDemo(){
        return "我是一个demo";
    }

2023-02-17 14:23:25.809 ERROR 1720 --- [nio-8083-exec-7] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [No adapter for handler [com.jbx.learnspringboot.controller.demo.DemoController@76cb6382]: The DispatcherServlet configuration needs to include a HandlerAdapter that supports this handler] with root cause

原因@Controller中不能添加路径
需要用RequestMapping去添加