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[study]이론정리/Spring Boot

Spring MVC - 쿠키값 얻기

by yoon9i 2024. 7. 2.

6> 쿠기값 얻기
- 쿠키 생성을 먼저후 쿠키값을 얻어야 한다.

  # 쿠키 생성
  // 쿠기 생성(맵핑)
@GetMapping("/set-cookie")
public String set_cookie(HttpServletRequest request, HttpServletResponse response) {

Cookie c = new Cookie("userid", "hello1234");
response.addCookie(c);


return "hello";
}

  # 전체 쿠키 얻기
  // 쿠키 얻기(맵핑) 1- 전체쿠키얻기
@GetMapping("/get-cookie1")
public String get_cookie1(HttpServletRequest request) {

Cookie [] cookies = request.getCookies();

for (Cookie c : cookies) {
String name = c.getName();
String value = c.getValue();
logger.info("logger: 쿠기 name: {}, 쿠기 value: {}", name, value);
// logger: 쿠기 name: userid, 쿠기 value: hello1234
// logger: 쿠기 name: JSESSIONID, 쿠기 value: F6C08ED42669A3FC85FB4A504C7012A0
}

return "hello";
}

  # 특정 쿠키값 얻기
  // 쿠키 얻기(맵핑) 2- 필요한 쿠키얻기
@GetMapping("/get-cookie")
public String get_cookie(@CookieValue("userid") String userid) {

logger.info("logger: 쿠기 name:userid, 쿠기 value: {}", userid);
// logger: 쿠기 name:userid, 쿠기 value: hello1234

return "hello";
}

 

package com.exam;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;


@SpringBootApplication
public class Application {

	public static void main(String[] args) {
		SpringApplication.run(Application.class, args);
	}
}
package com.exam.controller;

import java.net.http.HttpResponse;

import java.util.Enumeration;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.catalina.connector.Response;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestHeader;

@Controller
public class MainController {
	
	Logger logger = LoggerFactory.getLogger(getClass());
	
	// 쿠기 생성(맵핑)
	@GetMapping("/set-cookie")
	public String set_cookie(HttpServletRequest request, HttpServletResponse response) {
		
		Cookie c = new Cookie("userid", "hello1234");
		response.addCookie(c);
		
		
		return "hello";
	}
	
	
	// 쿠키 얻기(맵핑) 1- 전체쿠키얻기
	@GetMapping("/get-cookie1")
	public String get_cookie1(HttpServletRequest request) {
		
		Cookie [] cookies = request.getCookies();
		
		for (Cookie c : cookies) {
			String name = c.getName();
			String value = c.getValue();
			logger.info("logger: 쿠기 name: {}, 쿠기 value: {}", name, value);
			// logger: 쿠기 name: userid, 쿠기 value: hello1234
			// logger: 쿠기 name: JSESSIONID, 쿠기 value: F6C08ED42669A3FC85FB4A504C7012A0
		}
		
		return "hello";
	}
	
	// 쿠키 얻기(맵핑) 2- 필요한 쿠키얻기
	@GetMapping("/get-cookie")
	public String get_cookie(@CookieValue("userid") String userid) {
		
		logger.info("logger: 쿠기 name:userid, 쿠기 value: {}", userid);
		// logger: 쿠기 name:userid, 쿠기 value: hello1234
		
		return "hello";
	}
}
<%@ page 
         contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"        
%>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<p>안녕하세요</p>
<p>Hello</p>
</body>
</html>
# application.properties
logging.level.org.springframework=info

# tomcat port 번호 변경
server.port=8090

# context 명 변경
server.servlet.context-path=/app

# jsp의 경로와 확장자 지정
spring.mvc.view.prefix=/WEB-INF/views/
spring.mvc.view.suffix=.jsp


spring.mvc.pathmatch.matching-strategy=ant-path-matcher
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
	http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.7.18</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.exam</groupId>
	<artifactId>demo</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>demo</name>
	<description>Demo project for Spring Boot</description>
	<properties>
		<java.version>11</java.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-devtools -->
		<dependency>
		    <groupId>org.springframework.boot</groupId>
		    <artifactId>spring-boot-devtools</artifactId>
		</dependency>
	<dependency>
		<groupId>org.apache.tomcat.embed</groupId>
		<artifactId>tomcat-embed-jasper</artifactId>
		<scope>provided</scope>
	</dependency> 
	<dependency>
		<groupId>javax.servlet</groupId>
		<artifactId>jstl</artifactId>
	</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

</project>

 

 

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