Spring mvc结果跳转方法详解

<!-- 视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
   id="internalResourceViewResolver">
  <!-- 前缀 -->
  <property name="prefix" value="/WEB-INF/jsp/" />
  <!-- 后缀 -->
  <property name="suffix" value=".jsp" />
</bean>

public class ControllerTest1 implements Controller {

  public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
    //返回一个模型视图对象
    ModelAndView mv = new ModelAndView();
    mv.addObject("msg","ControllerTest1");
    mv.setViewName("test");
    return mv;
  }
}

@Controller
public class ResultGo {

  @RequestMapping("/result/t1")
  public void test1(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
    rsp.getWriter().println("Hello,Spring BY servlet API");
  }

  @RequestMapping("/result/t2")
  public void test2(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
    rsp.sendRedirect("/index.jsp");
  }

  @RequestMapping("/result/t3")
  public void test3(HttpServletRequest req, HttpServletResponse rsp) throws Exception {
    //转发
    req.setAttribute("msg","/result/t3");
    req.getRequestDispatcher("/WEB-INF/jsp/test.jsp").forward(req,rsp);
  }

}

@Controller
public class ResultSpringMVC {
  @RequestMapping("/rsm/t1")
  public String test1(){
    //转发
    return "/index.jsp";
  }

  @RequestMapping("/rsm/t2")
  public String test2(){
    //转发二
    return "forward:/index.jsp";
  }

  @RequestMapping("/rsm/t3")
  public String test3(){
    //重定向
    return "redirect:/index.jsp";
  }
}

@Controller
public class ResultSpringMVC2 {
  @RequestMapping("/rsm2/t1")
  public String test1(){
    //转发
    return "test";
  }
  @RequestMapping("/rsm2/t2")
  public String test2(){
    //重定向
    return "redirect:/index.jsp";
    //return "redirect:hello.do"; //hello.do为另一个请求/
  }

}