스프링 MVC ( 요청 매핑, 커맨드 객체, 리다이렉트, 폼 태그, 모델 )
약관 동의, 회원 가입, 로그인 후 계정 이름 표시
pom.xml
<?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>
<groupId>sp5</groupId>
<artifactId>sp5-chap11Practice</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.2-b02</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.0.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.0.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jdbc</artifactId>
<version>8.5.27</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.33</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>11</source>
<target>11</target>
<encoding>utf-8</encoding>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.2</version>
</plugin>
</plugins>
</build>
</project>
어제 사용한 spring패키지 내용물 그대로 사용 ( DTO, DAO, Service, 익셉션, Request )
Datasource, 트랜잭션매니져 스프링 설정 클래스 작성
package config;
import org.apache.tomcat.jdbc.pool.DataSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import spring.ChangePasswordService;
import spring.MemberDao;
import spring.MemberRegisterService;
@Configuration
@EnableTransactionManagement
public class MemberConfig {
@Bean(destroyMethod = "close")
public DataSource dataSource() {
DataSource ds = new DataSource();
ds.setDriverClassName("com.mysql.jdbc.Driver");
ds.setUrl("jdbc:mysql://localhost/spring5fs?characterEncoding=utf8");
ds.setUsername("spring5");
ds.setPassword("spring5");
ds.setInitialSize(2);
ds.setMaxActive(10);
ds.setTestWhileIdle(true);
ds.setMinEvictableIdleTimeMillis(60000 * 3);
ds.setTimeBetweenEvictionRunsMillis(10 * 1000);
return ds;
}
@Bean
public PlatformTransactionManager transactionManager() {
DataSourceTransactionManager tm = new DataSourceTransactionManager();
tm.setDataSource(dataSource());
return tm;
}
@Bean
public MemberDao memberDao() {
return new MemberDao(dataSource());
}
@Bean
public MemberRegisterService memberRegSvc() {
return new MemberRegisterService(memberDao());
}
@Bean
public ChangePasswordService changePwdSvc() {
ChangePasswordService pwdSvc = new ChangePasswordService();
pwdSvc.setMemberDao(memberDao());
return pwdSvc;
}
}
스프링 MVC 기본 설정 파일
package config;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
@EnableWebMvc
public class MvcConfig implements WebMvcConfigurer {
@Override
public void configureDefaultServletHandling(
DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
registry.jsp("/WEB-INF/view/", ".jsp");
}
}
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1" metadata-complete="true">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<init-param>
<param-name>contextClass</param-name>
<param-value>
org.springframework.web.context.support.AnnotationConfigWebApplicationContext
</param-value>
</init-param>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>
config.MemberConfig
config.MvcConfig
config.ControllerConfig
</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>
org.springframework.web.filter.CharacterEncodingFilter
</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
컨트롤러 매핑 애노테이션 설정 ( 주석을 보면 / "/register/step2" 방식은 3가지로 적용 가능 )
package controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import spring.DuplicateMemberException;
import spring.MemberRegisterService;
import spring.RegisterRequest;
@Controller
public class RegisterController {
@Autowired
private MemberRegisterService memberRegisterService;
@GetMapping("/register/step1")
public String handleStep1() {
return "register/step1";
}
// 1번째 방법 HttpServletRequest 방식
// @PostMapping("register/step2")
// public String handleStep2(HttpServletRequest request) {
// String agreepParam = request.getParameter("agree");
// System.out.println(agreepParam);
// if(agreepParam == null || !agreepParam.equals("true")) {
// return "register/step1";
// }
// return "register/step2";
// }
// 2번째 방법 @RequestParam 방식 ( 해당 방식 많이 이용 )
@PostMapping("/register/step2")
public String handleStep2(@RequestParam(value = "agree",// name 속성 안써도 됨
defaultValue = "false") Boolean agree) {
System.out.println(agree);
if(!agree) {
return "register/step1";
}
return "register/step2";
}
// 3번째 방법 required = true
// @PostMapping("/register/step2")
// public String handleStep2(@RequestParam(required = true,defaultValue = "false"
// ) Boolean agree) {
//
// System.out.println(agree);
// if(!agree) {
// return "register/step1";
// }
// return "register/step2";
// }
@GetMapping("/register/step2")
public String handleStep2Get() {
return "redirect:/register/ster1";
}
@PostMapping("/register/step3")
public String handleStep3(RegisterRequest registerRequest) {
try {
memberRegisterService.regist(registerRequest);
return "register/step3";
}catch(DuplicateMemberException e) {
return "register/step2";
}
}
}
ControllerConfig.java 파일에 @Autowired, @Bean 설정
package config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import controller.RegisterController;
import spring.MemberRegisterService;
@Configuration
public class ControllerConfig {
@Autowired
private MemberRegisterService memberRegSvc;
@Bean
public RegisterController registerController() {
return new RegisterController();
}
}
JSP 파일 설정
index.jsp ( 서버 실행 시 켜지는 jsp )
<%@ page contentType="text/html; charset=utf-8" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<title>메인</title>
</head>
<body>
<p>환영합니다.</p>
<p><a href="<c:url value="/register/step1" />">[회원 가입하기]</a>
</body>
</html>
step1.jsp ( 약관 동의 체크 )
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>회원가입</title>
</head>
<body>
<h2>약관</h2>
<p>약관 내용</p>
<form action="step2" method="post">
<label>
<input type="checkbox" name="agree" value="true">약관 동의
</label>
<input type="submit" value="다음 단계" />
</form>
</body>
</html>
step2.jsp ( 회원가입 )
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>회원가입</title>
</head>
<body>
<h2>회원 정보 입력</h2>
<form action="step3" method="post">
<p>
<label>이메일:<br>
<input type="text" name="email" id="email">
</label>
</p>
<p>
<label>이름:<br>
<input type="text" name="name" id="name">
</label>
</p>
<p>
<label>비밀번호:<br>
<input type="password" name="password" id="password">
</label>
</p>
<p>
<label>비밀번호 확인:<br>
<input type="password" name="confirmPassword" id="confirmPassword">
</label>
</p>
<input type="submit" value="가입완료">
</form>
</body>
</html>
step3.jsp ( 회원가입 완료 후 ID 표시 ) name 값 바꿔서 다른 거 출력 가능
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>회원가입</title>
</head>
<body>
<p><strong>${registerRequest.name}님</strong></p>
<p><a href="<c:url value='/main'/>">[첫 화면 이동]</a></p>
</body>
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