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Spring - 메일 보내기 예제

Development/Java

by 에스프리터 2018. 4. 13. 15:26

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오늘은 Spring 기반에서 메일을 보내는 내용입니다. 그렇게 어려운 예제는 아닙니다. controller, form, sender에서 메일 발송 처리를 담당하고,  mvc-config에 발신자의 메일 서버, id, pw를 입력합니다. 예제에는 기본 id, pw만 적혀 있으니 자신의 메일주소로 변경하시기 바랍니다. 즉, stmp 서버 정보가 필요합니다. 보통 쓰시는 메일의 환경설정에 가면 POP3/SMTP 설정 메뉴에 해당 서버 주소 및 포트 등이 적혀 있습니다. 그걸 적으세요.
 
 
파일 구조는 아래와 같이 되어 있습니다. 그리고 아래의 Github 주소에서 관련 파일 확인 가능합니다.
 
 
 
 
 
pack 패키지
 
** EmailController.java **
package pack;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
 
@Controller
public class EmailController {
        
        @Autowired
        private EmailSender emailSender;
            
        @RequestMapping(value="send",method=RequestMethod.GET)
        public String formback() {
            return "mailform";
        }
        
        
        @RequestMapping(value="send",method=RequestMethod.POST)
        public String submit(EmailForm form) throws Exception{
            emailSender.sendEmail(form);
            return "success";
        }
        
        
        
}
 
 
** EmailForm.java **
package pack;
 
public class EmailForm {
    private String receiver, subject, content;
 
    public String getReceiver() {
        return receiver;
    }
 
    public void setReceiver(String receiver) {
        this.receiver = receiver;
    }
 
    public String getSubject() {
        return subject;
    }
 
    public void setSubject(String subject) {
        this.subject = subject;
    }
 
    public String getContent() {
        return content;
    }
 
    public void setContent(String content) {
        this.content = content;
    }
    
    
}
 
 
** EmailSender.java **
package pack;
 
import javax.mail.Message.RecipientType;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.javamail.JavaMailSender;
 
@Component
public class EmailSender {
    @Autowired
    private JavaMailSender mailSender;
    
    public void sendEmail(EmailForm emailFomr) throws Exception{
        //메일 발송 기능 제공
        MimeMessage msg = mailSender.createMimeMessage();
        msg.setSubject(emailFomr.getSubject()); //메일 제목
        msg.setText(emailFomr.getContent());
        msg.setRecipient(RecipientType.TO, new InternetAddress(emailFomr.getReceiver()));
        mailSender.send(msg);
    }
}
 
 
 
 
 
src 폴더
 
** mailform.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>Insert title here</title>
</head>
<body>
* 이메일 보내기 *
<form action="send" method="post">
이메일 : <input type="email" name="receiver" placeholder="abc@abc.com"><br>
글제목 : <input type="text" name="subject"><br>
글 내용 : <textarea rows="5" cols="30" name="content"></textarea>
<p>
<input type="submit" value="메일 보내기">
</form>
</body>
</html>
 
** success.jsp **
<%@ 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>
** 이메일이 성공적으로 발송되었습니다 **
</body>
</html>
 
** mvc-config.xml **
<?xml version="1.0" encoding="UTF-8"?>
 
 
    
         <context:component-scan
            base-package="pack"/>
            
            <bean id ="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
                <property name="host" value="smtp.gmail.com"/> <!-- smtp 서버명 -->
                <property name="port" value="587"/> <!-- 포트 번호 -->
                <property name="username" value="로그인 ID"/> <!-- id(일반적인 id가 아니니 확인 필요) -->
                <property name="password" value="비밀번호"/> <!-- 비밀번호 -->
                <property name="javaMailProperties">
                    <props>
                        <prop key="mail.smtp.starttls.enable">true</prop>
                    </props>
                </property>
            </bean>
 
 
    <mvc:annotation-driven />
 
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <!-- Example: a logical view name of 'showMessage' is mapped to '/WEB-INF/jsp/showMessage.jsp' -->
            <property name="prefix" value="/WEB-INF/view/"/>
            <property name="suffix" value=".jsp"/>
    </bean>
 
</beans>
 
 
** web.xml **
<?xml version="1.0" encoding="ISO-8859-1"?>
         xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
         id="WebApp_ID" version="2.5">
 
    <display-name>sweb28_mail</display-name>
    
   <!--
        - Location of the XML file that defines the root application context.
        - Applied by ContextLoaderListener.
    -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/application-config.xml</param-value>
    </context-param>
 
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    
    
    <!--
        - Servlet that dispatches request to registered handlers (Controller implementations).
    -->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/mvc-config.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
 
    <servlet-mapping>
        <servlet-name>dispatcherServlet</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>
 
 
** index.jsp **
<!DOCTYPE html>
 
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
    
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
 
<html>
    <head>
        <meta charset="utf-8">
        <title>Welcome</title>
    </head>
    <body>
        <a href="send">메일 보내기</a>
    </body>
</html>
 
 
 
그 외
 
** pom.xml **
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.springframework.samples.service.service</groupId>
    <artifactId>sweb28_mail</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
 
    <properties>
 
        <!-- Generic properties -->
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
        <!-- Web -->
        <jsp.version>2.2</jsp.version>
        <jstl.version>1.2</jstl.version>
        <servlet.version>2.5</servlet.version>
 
        <!-- Spring -->
        <spring-framework.version>4.3.3.RELEASE</spring-framework.version>
 
        <!-- Logging -->
        <logback.version>1.0.13</logback.version>
        <slf4j.version>1.7.5</slf4j.version>
 
    </properties>
 
    <dependencies>
 
        <!-- Spring MVC -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring-framework.version}</version>
        </dependency>
 
        <!-- Other Web dependencies -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>${jstl.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>${servlet.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>${jsp.version}</version>
            <scope>provided</scope>
        </dependency>
 
        <!-- Spring and Transactions -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring-framework.version}</version>
        </dependency>
 
        <!-- Logging with SLF4J & LogBack -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>${logback.version}</version>
            <scope>runtime</scope>
        </dependency>
 
        <!--DB -->
        <dependency>
            <groupId>org.mariadb.jdbc</groupId>
            <artifactId>mariadb-java-client</artifactId>
            <version>2.2.3</version>
        </dependency>
 
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
            <version>2.0.0.RELEASE</version>
        </dependency>
 
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.3.RELEASE</version>
        </dependency>
 
        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.4</version>
        </dependency>
 
        <!--mybatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.6</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.2</version>
        </dependency>
        <!-- json -->
        <dependency>
 
            <groupId>com.fasterxml.jackson.core</groupId>
 
            <artifactId>jackson-databind</artifactId>
 
            <version>2.9.5</version>
 
        </dependency>
 
        <!-- AOP -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.13</version>
        </dependency>
 
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>3.2.6</version>
        </dependency>
 
        <!-- file up and down -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.3</version>
        </dependency>
 
 
        <!-- smtp -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-mail</artifactId>
            <version>2.0.1.RELEASE</version>
        </dependency>
 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context-support</artifactId>
    <version>3.2.8.RELEASE</version>
</dependency>
        
    <dependency>
        <groupId>javax.mail</groupId>
        <artifactId>mail</artifactId>
        <version>1.4</version>
    </dependency>
 
 
    </dependencies>
</project>
 
 
 
 
 
결과 이미지
 
 
 
본 포스팅은 KIC 캠퍼스에서 박영권 강사의 지도하에 공부하며 작성한 리포트입니다.
혹시 잘못된 내용이 있거나 문제 소지시 댓글 남겨주시면 조치하겠습니다.
 
 
 
 
 
 
 
 

 

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  • 프로필 사진
    문의댓글
    2022.05.10 22:07
    안녕하세요 해당 게시글을 이용해서 이메일 발송까지 성공했습니다.
    혹시 추가로 이미지/ 첨부파일을 넣어 발송하는 코드를 만들고 싶은데 어떤 방법이 있나요?
    수정/삭제답글
    • 프로필 사진
      BlogIcon 에스프리터
      2022.05.13 19:32 신고
      JSP 안한지 오래되서 긴가민가하네요... 혹시 여기 주소 자료 참고해보시겠어요?? https://kutar37.tistory.com/entry/JavaMail-API-%EC%9E%90%EB%B0%94%EB%A1%9C-%EC%9B%B9%EC%97%90%EC%84%9C-%ED%8C%8C%EC%9D%BC%EC%B2%A8%EB%B6%80-%EB%A9%94%EC%9D%BC%EB%B3%B4%EB%82%B4%EA%B8%B0
      수정/삭제
  • 프로필 사진
    문의댓글
    2022.05.16 17:52
    답글 달아주셔서 감사합니다.
    제가 MVC 패턴으로 프로젝트를 만들다 보니 일단 시도해보겠습니다.
    수정/삭제답글

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