SessionAttributes介绍
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SessionAttributes介绍
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@SessionAttributes
該注解只能放在類上面
案例：public String testSessionAttributes(Map<String,Object> m1)
package com.learn.springmvc.test;import java.io.IOException; import java.io.Writer; import java.util.Map;import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.CookieValue; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestHeader; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.servlet.ModelAndView;import com.learn.springmvc.entities.User;@Controller //@SessionAttributes(value="user") public class Test001 {@RequestMapping(value="/testSessionAttributes",method=RequestMethod.GET)public String testSessionAttributes(Map<String,Object> map){System.out.println("-----testSessionAttributes: ");User user = new User(11, "z3", "123456", 26, "z3@126.com");map.put("user", user);map.put("subway", "beijing line 2");return "ok";} } <%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body><hr> testSessionAttributes:<a href="${pageContext.request.contextPath}/testSessionAttributes">testSessionAttributes</a></html>?
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