Maven项目(account-email)的目结构如下:
account-email项目Java主代码位于src/main/java,资源文件(非Java文件)位于src/main/resources目录下。
1.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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<!--实际项目-->
<groupId>com.juvenxu.mvnbook.account</groupId>
<!--Maven项目,所谓Maven项目就是实际项目中的一个模块-->
<artifactId>account-email</artifactId>
<!--Maven项目版本,SNAPSHOT说明还不是稳定版本-->
<version>1.0.0-SNAPSHOT</version>
<!--name不是必须的,声明一个对于用户更为友好的项目名称-->
<name>Account Email</name>
<!--定义Maven的打包方式-->
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!--对于acount-email中这些Spring Framework来说,也应该在一个唯一的地方定义版本,并且在dependency声明中引用这一版本。这样,在升级Spring Framework的时候就只需要修改一处-->
<springframework.version>2.5.6</springframework.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<!--<version>2.5.6</version>-->
<!--引用在properties中定义的版本信息-->
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${springframework.version}</version>
</dependency>
<dependency>
<!--实现发送必须的类库-->
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.1</version>
</dependency>
<dependency>
<!--Junit是Java社区事实上的单元测试标准-->
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<scope>test</scope>
</dependency>
<dependency>
<!--GreenMail开源的邮件服务测试套件-->
<groupId>com.icegreen</groupId>
<artifactId>greenmail</artifactId>
<version>1.3.1b</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
2.AccountEmailService.java接口
package com.newtouch.mvnbook.account.email;
public interface AccountEmailService {
/**sendMail()方法用来发送html格式的邮件,to为接收地址,subject为邮箱主题,htmlText为邮箱内容,
* 如果发送邮箱出错,则抛出AccountEmailException异常。
*
* @param to
* @param subject
* @param htmlText
* @throws AccountEmailException
*/
public void sendMail(String to, String subject, String htmlText) throws AccountEmailException;
}
3.接口的实现AccountEmailServiceImpl
package com.newtouch.mvnbook.account.email;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import org.springframework.mail.MailException;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
public class AccountEmailServiceImpl implements AccountEmailService{
private JavaMailSender javaMailSender;
private String systemEmail;
@Override
public void sendMail(String to, String subject, String htmlText)
throws AccountEmailException {
try {
MimeMessage msg = javaMailSender.createMimeMessage();
MimeMessageHelper msgHelper = new MimeMessageHelper(msg);
msgHelper.setFrom(systemEmail);
msgHelper.setTo(to);
msgHelper.setSubject(subject);
msgHelper.setText(htmlText, true);//true表示邮箱的内容为html格式
javaMailSender.send(msg);
} catch (MessagingException e) {
throw new AccountEmailException("Fail to send email.", e);
}
}
public JavaMailSender getJavaMailSender() {
return javaMailSender;
}
public void setJavaMailSender(JavaMailSender javaMailSender) {
this.javaMailSender = javaMailSender;
}
public String getSystemEmail() {
return systemEmail;
}
public void setSystemEmail(String systemEmail) {
this.systemEmail = systemEmail;
}
}
4.自定义异常AccountEmailException
package com.newtouch.mvnbook.account.email;
public class AccountEmailException extends Exception {
public AccountEmailException(String msg, Throwable cause) {
super(msg, cause);
}
}
5.spring配置文件account-email.xml
<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:service.properties" />
</bean>
<bean id="javaMailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<property name="protocol" value="${email.protocol}" />
<property name="host" value="${email.host}" />
<property name="port" value="${email.port}" />
<property name="username" value="${email.username}" />
<property name="password" value="${email.password}"/>
<property name="javaMailProperties">
<props>
<prop key="mail.${email.protocol}.auth">${email.auth}</prop>
</props>
</property>
</bean>
<bean id="accountEmailService" class="com.maven.account.AccountEmailServiceImpl">
<property name="javaMailSender" ref="javaMailSender" />
<property name="systemEmail" value="${email.systemEmail}" />
</bean>
</beans>
6.属性文件service.properties
email.protocol=smtp
#使用localhost不一定可以,换成127.0.0.1
#email.host=localhost
email.host=127.0.0.1
email.port=25
email.username=test@maven.com
email.password=123456
email.auth=true
email.systemEmail=liuxb@maven.com
7.编写测试类AccountEmailServiceTest
package com.newtouch.mvnbook.account.email;
import static junit.framework.Assert.assertEquals;
import javax.mail.Message;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.icegreen.greenmail.util.GreenMail;
import com.icegreen.greenmail.util.GreenMailUtil;
import com.icegreen.greenmail.util.ServerSetup;
//import junit.framework.Test;
//import junit.framework.TestCase;
//import junit.framework.TestSuite;
/**
* Unit test for simple App.
*/
public class AccountEmailServiceTest
{
private GreenMail greenMail;
@Before
public void startMailServer() throws Exception{
greenMail = new GreenMail(ServerSetup.SMTP);
greenMail.setUser("test@maven.com","123456");
greenMail.start();
}
@Test
public void testSendMail() throws Exception{
ApplicationContext ctx = new ClassPathXmlApplicationContext("account-email.xml");
AccountEmailService accountEmailService = (AccountEmailService)ctx.getBean("accountEmailService");
String subject = "Test Subject";
String htmlText = "<h3>gaoweigang</h3>";
accountEmailService.sendMail("test2@maven.com",subject,htmlText);
greenMail.waitForIncomingEmail(2000,1);
Message[] msgs = greenMail.getReceivedMessages();
System.out.println("msgs.length="+msgs.length);
System.out.println("subject="+msgs[0].getSubject());
System.out.println("htmlText="+GreenMailUtil.getBody(msgs[0]).trim());
assertEquals(1,msgs.length);
assertEquals(subject,msgs[0].getSubject());
assertEquals(htmlText,GreenMailUtil.getBody(msgs[0]).trim());
}
@After
public void stopMailServer() throws Exception{
greenMail.stop();
}
}