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SpringMVC_重定向.md

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SpringMVC_重定向

  • webapp/index.jsp

    <html>
<body>
<h2>Hello World!</h2>
</body>
</html>

一、redirect（页面url显示为跳转目的页面的地址）

  • ValueController.java

    @Controller
@RequestMapping("/value")
public class ValueController {
      @RequestMapping("/redirect")
      public String testRedirect(){
          return "redirect:/index.jsp";//页面url显示为index.jsp的地址
      }
      
      @RequestMapping("/modelredirect")
      public ModelAndView testModelAndViewDispatcher(ModelAndView modelAndView){
          modelAndView.setViewName("redirect:/index.jsp");
          return modelAndView;
      }
}

  • 测试：

    http://localhost:8080/spring_mvc_demo2/value/redirect

    http://localhost:8080/spring_mvc_demo2/value/forward

二、forward（页面url不跳转）

  • ValueController.java

    @Controller
@RequestMapping("/value")
public class ValueController {
      @RequestMapping("/forward")
      public String testForward(){
          return "forward:/index.jsp";//页面url不跳转
      }
      
      @RequestMapping("/modelforward")
      public ModelAndView testModelAndViewDispatcher2(ModelAndView modelAndView){
          modelAndView.setViewName("forward:/index.jsp");
          return modelAndView;
      }
}

  • 测试：

    http://localhost:8080/spring_mvc_demo2/value/modelredirect

    http://localhost:8080/spring_mvc_demo2/value/modelforward