SpringBoot页面跳转

方法一：

@RequestMapping("/go1")
    public String go1(){
        return "redirect:" + url;
    }

方法二：

@RequestMapping("/go2")
    public ModelAndView go2(){
        return new ModelAndView("redirect:" + url);
    }

方法三：

@RequestMapping("/go3")
    public void go3(HttpServletResponse response){
        try {
            response.sendRedirect(url);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }