5.13. Spring boot with Email

5.13. Spring boot with Email
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5.13.1. Maven

			
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
</dependency>

例 5.2. Spring boot with Email (pom.xml)

				
<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>netkiller.cn</groupId>
	<artifactId>api.netkiller.cn</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>api.netkiller.cn</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<java.version>1.8</java.version>
	</properties>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.3.1.RELEASE</version>
	</parent>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> -->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-jdbc</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-redis</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-mongodb</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-amqp</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-devtools</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-mongodb</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-oracle</artifactId>
			<version>1.0.0.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>com.oracle</groupId>
			<artifactId>ojdbc6</artifactId>
			<!-- <version>12.1.0.1</version> -->
			<version>11.2.0.3</version>
			<scope>system</scope>
			<systemPath>${basedir}/lib/ojdbc6.jar</systemPath>
		</dependency>

		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-mail</artifactId>
		</dependency>

		<dependency>
			<groupId>com.google.code.gson</groupId>
			<artifactId>gson</artifactId>
			<scope>compile</scope>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<sourceDirectory>src</sourceDirectory>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.3</version>
				<configuration>
					<source />
					<target />
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-war-plugin</artifactId>
				<version>2.6</version>
				<configuration>
					<warSourceDirectory>WebContent</warSourceDirectory>
					<failOnMissingWebXml>false</failOnMissingWebXml>
				</configuration>
			</plugin>
		</plugins>
	</build>

</project>

5.13.2. Resource

application.properties

Postfix / Exam4 / Sendmail 郵件伺服器配置

			
spring.mail.host=smtp.163.com

SMTP 配置

			
spring.mail.host=smtp.163.com
spring.mail.username=openunix@163.com
spring.mail.password=your_password
spring.mail.properties.mail.smtp.auth=true  
#spring.mail.properties.mail.smtp.starttls.enable=true  
#spring.mail.properties.mail.smtp.starttls.required=true

5.13.3. POJO

			
package api.pojo;

public class Email {
	public String from;
	public String to;
	public String subject;
	public String text;
	public boolean status;
	
	public String getFrom() {
		return from;
	}
	public void setFrom(String from) {
		this.from = from;
	}
	public String getTo() {
		return to;
	}
	public void setTo(String to) {
		this.to = to;
	}
	public String getSubject() {
		return subject;
	}
	public void setSubject(String subject) {
		this.subject = subject;
	}
	public String getText() {
		return text;
	}
	public void setText(String text) {
		this.text = text;
	}
	
	public boolean isStatus() {
		return status;
	}
	public void setStatus(boolean status) {
		this.status = status;
	}
	
	@Override
	public String toString() {
		return "Email [from=" + from + ", to=" + to + ", subject=" + subject + ", text=" + text + "]";
	}
	public Email() {

	}
	public Email(String from, String to, String subject, String text) {
		super();
		this.from = from;
		this.to = to;
		this.subject = subject;
		this.text = text;
	}
	
}

5.13.4. RestController

			
package api.rest;

import java.io.File;

import javax.mail.internet.MimeMessage;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.FileSystemResource;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;

import api.pojo.Email;

@RestController
@RequestMapping("/v1/email")
public class EmailRestController extends CommonRestController {

	@Autowired
	private JavaMailSender javaMailSender;

	@RequestMapping("version")
	@ResponseStatus(HttpStatus.OK)
	public String version() {
		return "[OK] Welcome to withdraw Restful version 1.0";
	}

	@RequestMapping(value = "send", method = RequestMethod.POST, produces = { "application/xml", "application/json" })
	public ResponseEntity<Email> sendSimpleMail(@RequestBody Email email) {
		SimpleMailMessage message = new SimpleMailMessage();
		message.setFrom(email.getFrom());
		message.setTo(email.getTo());
		message.setSubject(email.getSubject());
		message.setText(email.getText());
		javaMailSender.send(message);
		email.setStatus(true);

		return new ResponseEntity<Email>(email, HttpStatus.OK);
	}

	@RequestMapping(value = "attachments", method = RequestMethod.POST, produces = { "application/xml", "application/json" })
	public ResponseEntity<Email> attachments(@RequestBody Email email) throws Exception {

		MimeMessage mimeMessage = javaMailSender.createMimeMessage();

		MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);
		mimeMessageHelper.setFrom(email.getFrom());
		mimeMessageHelper.setTo(email.getTo());
		mimeMessageHelper.setSubject(email.getSubject());
		mimeMessageHelper.setText("<html><body><img src=\"cid:banner\" >" + email.getText() + "</body></html>", true);

		FileSystemResource file = new FileSystemResource(new File("banner.jpg"));
		mimeMessageHelper.addInline("banner", file);

		FileSystemResource fileSystemResource = new FileSystemResource(new File("Attachment.jpg"));
		mimeMessageHelper.addAttachment("Attachment.jpg", fileSystemResource);

		javaMailSender.send(mimeMessage);
		email.setStatus(true);

		return new ResponseEntity<Email>(email, HttpStatus.OK);
	}
	
	// 如果你不想使用 application.properties 中的 spring.mail.host 配置，想自行配置SMTP主機可以參考下面例子
	@RequestMapping(value = "sendmail", method = RequestMethod.POST, produces = { "application/xml", "application/json" })
	public ResponseEntity<Email> sendmail(@RequestBody Email email) {
		JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl();
		javaMailSender.setHost(email.getHost());
		SimpleMailMessage message = new SimpleMailMessage();
		message.setFrom(email.getFrom());
		message.setTo(email.getTo());
		message.setSubject(email.getSubject());
		message.setText(email.getText());
		try{
			javaMailSender.send(message);
			email.setStatus(true);
		}catch(Exception e){
			email.setText(e.getMessage());
			email.setStatus(false);
		}

		return new ResponseEntity<Email>(email, HttpStatus.OK);
	}	
}

5.13.5. Test

			
$ curl -i -H "Accept: application/json" -H "Content-Type: application/json" -X POST -d '{"from":"root@netkiller.cn", "to":"21214094@qq.com","subject":"Hello","text":"Hello world!!!"}' http://172.16.0.20:8080/v1/email/send.json
HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Content-Type: application/json;charset=UTF-8
Transfer-Encoding: chunked
Date: Wed, 10 Aug 2016 06:38:00 GMT

{"from":"root@netkiller.cn","to":"21214094@qq.com","subject":"Hello","text":"Hello world!!!","status":true}

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