Spring Boot重定向到另一个url

@Controller
public class MyController {
    @GetMapping("/redirect")
    public RedirectView redirect() {
        RedirectView redirectView = new RedirectView();
        redirectView.setUrl("http://www.example.com");
        return redirectView;
    }
}

@Controller
public class MyController {
    @GetMapping("/redirect")
    public String redirect() {
        return "redirect:http://www.example.com";
    }
}

@Controller
public class MyController {
    @GetMapping("/redirect")
    public String redirect() {
        return "redirect:/redirectView";
    }
    
    @GetMapping("/redirectView")
    public String redirectView() {
        return "redirect:http://www.example.com";
    }
}