ModelAndView
~~~
@RequestMapping(value="/test3",method=RequestMethod.GET)
public ModelAndView test3()
{
//跳转到index.jsp
ModelAndView mav = new ModelAndView();
mav.addObject("msg", "hello test3");
mav.setViewName("/index.jsp"); //请求转发
return mav;
}
~~~
String
~~~
@RequestMapping("/test5")
public String test5(HttpServletRequest request)
{
request.setAttribute("msg", "hello test5");
return "/index.jsp";//请求转发
}
~~~
~~~
@RequestMapping("/test6")
public String test6(HttpSession session)
{
session.setAttribute("msg", "hello test6");
return "redirect:/index.jsp";//请求重定向
}
~~~
void
~~~
@RequestMapping("/ajax")
public void test7(HttpServletResponse response)
{
response.setContentType("text/json");
response.setCharacterEncoding("utf-8");
try {
PrintWriter out = response.getWriter();
out.write("{\"username\":\"feiyy\"}");
out.flush();
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
~~~
对象类型（第四张ajax讲解）
SpringMVC的依赖注入：
HttpServletRequest request
HttpSession session
ServletContext application
HttpServletResponse response
Model model
