Spring MVC @CookieValue注解的使用
Spring MVC @CookieValue注解用于将请求的cookie数据映射到功能处理方法的参数上。
创建HelloWorldController
package com.controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.CookieValue; import org.springframework.web.bind.annotation.RequestMapping; @Controller public class HelloWorldController { @RequestMapping("/cookieValueTest") public void cookieValueTest(@CookieValue(value="JSESSIONID")String sessionId) { System.out.println("通过@CookieValue获得JSESSIONID:"+sessionId); } }创建index.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>index</title> </head> <body> <h4>测试@CookieValue注解</h4> <a href="cookieValueTest">cookieValueTest</a> <br> </body> </html>启动Tomcat访问index.jsp
点击链接访问cookieValueTest，控制台输出：
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