FlashAttribute，为Spring MVC 3.1版本加的特性，Flash属性，它能解决一个长久以来缺少解决的问题，一个POST/Redirect/GET模式问题
使用方法
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
@Controller
@RequestMapping("/redirect")
public class RedirectTesController {
/**
* redirect
*
* @param attributes
* @return
*/
@RequestMapping("/test")
public String test(RedirectAttributes attributes) {
attributes.addFlashAttribute("name", "张三");
return "redirect:/redirect/testShow";
}
}testShow.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<!DOCTYPE html >
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>spring mvc redirect</title>
</head>
<body>
name is : ${name}
</body>
</html>页面显示
