使用springboot跳转到指定页面和(重定向,请求转发的实例)

package com.ljf.spring.boot.demo.controller; 
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
/**
 * @ClassName: UserController
 * @Description: TODO
 * @Author: liujianfu
 * @Date: 2021/04/01 10:26:05 
 * @Version: V1.0
 **/
@Controller
public class UserController {
    @RequestMapping("/api/show")
    public String showName(String userName,Model model){
        System.out.println("进入controller层了!!!"+userName);
         model.addAttribute("name",userName);
        return "index";//跳转到指定页面
    } 
}

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public String test(@PathVariable String name) {
  return "redirect:/ceng/hello.html";
}

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public void test(@PathVariable String name, HttpServletResponse response) throws IOException {
  response.sendRedirect("/ceng/hello.html");
}

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public String test(@PathVariable String name) {
  return "forword:/ceng/hello.html";
  }

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public void test(@PathVariable String name, HttpServletRequest request, HttpServletResponse response) throws Exception {
  request.getRequestDispatcher("/ceng/hello.html").forward(request,response);
}

@RequestMapping(“/test1”)
public String test1(){
return “index”;
}

@RequestMapping(“/test2”)
public String test2(){
return “redirect:index1.html”;
}