springmvc怎樣只跳轉頁面？

在spring mvc中實現在Controller中進行頁面跳轉有兩種方式

1.Java代碼

public ModelAndView login(HttpServletResponse response, String id) {

response.sendRedirect("index.do="+id);

return null;

}

public ModelAndView login(HttpServletResponse response, String id) {

response.sendRedirect("index.do="+id);

return null;

}

2.Java代碼

public ModelAndView login(HttpServletResponse response, String id) {

return new ModelAndView("redirect:index.do="+id);

}

public ModelAndView login(HttpServletResponse response, String id) {

return new ModelAndView("redirect:index.do="+id);

}

return new ModelAndView("redirect:" + downloadUrl);