Spring MVC 向页面传值-Map、Model和ModelMap https://www.cnblogs.com/caoyc/p/5635878.html

时间:2023-03-09 17:06:58
Spring MVC 向页面传值-Map、Model和ModelMap   https://www.cnblogs.com/caoyc/p/5635878.html

Spring MVC 向页面传值-Map、Model和ModelMap

  除了使用ModelAndView方式外。还可以使用Map、Model和ModelMap来向前台页面创造

  使用后面3种方式,都是在方法参数中,指定一个该类型的参数。例如:

Java代码

Spring MVC 向页面传值-Map、Model和ModelMap   https://www.cnblogs.com/caoyc/p/5635878.html
1 @RequestMapping("/test")
2 public String test(Map<String,Object> map,Model model,ModelMap modelMap){
3
4 map.put("names", Arrays.asList("caoyc","zhh","cjx"));
5 model.addAttribute("time", new Date());
6 modelMap.addAttribute("city", "ChengDu");
7 modelMap.put("gender", "male");
8 return "hello";
9 }
Spring MVC 向页面传值-Map、Model和ModelMap   https://www.cnblogs.com/caoyc/p/5635878.html

  

JSP页面

1 1、time:${requestScope.time}
2 <br/>2、names:${requestScope.names }
3 <br/>3、city:${requestScope.city }
4 <br/>4、gender:${requestScope.gender }

结果:

Spring MVC 向页面传值-Map、Model和ModelMap   https://www.cnblogs.com/caoyc/p/5635878.html