SpringMVC
in MVC controller, for exampleTestController extends MultiActionController
1. 转到空白页面
public ModelAndView testMVC(HttpServletRequest req,HttpServletResponse res) throws Exception {return null;}
2. 转到空白页面,并打印字符
public ModelAndView testMVC(HttpServletRequest req,HttpServletResponse res) throws Exception {res.getOutputStream().write(new String("testString").getBytes());return null;}
3. 转到系统错误页面
3.1 forward to one jsp and set the HTTP_STATUS in jsp file :
<%response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);%>
3.2 set the HTTP_STATUS in MVC Controller.
public ModelAndView testMVC(HttpServletRequest req,HttpServletResponse res) throws Exception {res.setStatus(401);return null;}
4. Redirect in Spring MVC
public ModelAndView testMVC(HttpServletRequest req,HttpServletResponse res) throws Exception {String view = "redirect:"+redirectPath; -- redirectPaht must including the "http://"return new ModelAndView(view, model);}
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