开发中经常会遇到发送邮件进行用户验证，或者其它推送信息的情况，本文基于spring，完成邮件的发送，主要支持普通文本邮件的发送，html文本邮件的发送，带附件的邮件发送，没有实现群发、多个附件发送等需求。如果需要可以参照如下源代码进行修改完成。
  1. POM文件配置

     <dependencies>
    
         <dependency>
    
             <groupId>org.springframework</groupId>
    
             <artifactId>spring-context</artifactId>
    
             <version>4.1.6.RELEASE</version>
    
         </dependency>
    
         <dependency>
    
             <groupId>org.springframework</groupId>
    
             <artifactId>spring-context-support</artifactId>
    
             <version>4.1.6.RELEASE</version>
    
         </dependency>
    
         <dependency>
    
             <groupId>javax.mail</groupId>
    
             <artifactId>mail</artifactId>
    
             <version>1.4.7</version>
    
         </dependency>
    
     </dependencies>

    POM dependencies

  2. spring 配置 
     <!-- Production implementation of the JavaMailSender interface, supporting
    
         both JavaMail MimeMessages and Spring SimpleMailMessages -->
    
     <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
    
         <property name="host" value="smtp.gmail.com" />
    
         <property name="port" value="587" />
    
         <property name="username" value="<!-- Provide your Gmail ID -->" />
    
         <property name="password" value="<!-- Provide your Gmail Password -->" />

         <!-- The name of the property, following JavaBean naming conventions -->
    
         <property name="javaMailProperties">
    
             <props>
    
                 <prop key="mail.transport.protocol">smtp</prop>
    
                 <prop key="mail.smtp.auth">true</prop>
    
                 <prop key="mail.smtp.starttls.enable">true</prop>
    
                 <prop key="mail.debug">true</prop>
    
             </props>
    
         </property>
    
     </bean>

    spring 配置

  3. 邮件发送接口 
     /**
    
  * Copyright (c) 2015, www.wisdombud.com
    
  * All Rights Reserved.
    
  */
    
 package com.wisdombud.wisdomhr.common.srv;

 import java.io.FileNotFoundException;

 import javax.mail.MessagingException;

 /**
    
  * 功能: 邮件发送接口.<br/>
    
  * date: 2015年8月24日 上午9:53:05 <br/>
    
  *
    
  * @author joseph
    
  * @version
    
  */
    
 public interface MailSenderSrv {
    
     /**
    
      * 功能: 发普通邮件，msgBody是普通的文本.<br/>
    
      * date: 2015年8月24日 上午9:57:19 <br/>
    
      *
    
      * @author joseph
    
      * @param toAddress
    
      * @param fromAddress
    
      * @param subject
    
      * @param msgBody
    
      */
    
     void sendEmail(String toAddress, String fromAddress, String subject, String msgBody);

     /**
    
      * 功能: 发html邮件或者普通邮件，msgBody是html文本或者普通文本.<br/>
    
      * MimeMessage 消息发送.<br/>
    
      * date: 2015年8月24日 上午9:57:19 <br/>
    
      *
    
      * @author joseph
    
      * @param toAddress
    
      * @param fromAddress
    
      * @param subject
    
      * @param msgBody
    
      * @throws MessagingException
    
      */
    
     void sendHtmlEmail(String toAddress, String fromAddress, String subject, String htmlBody) throws MessagingException;

     /**
    
      * 功能: 发html邮件或者普通邮件，msgBody是html文本或者普通文本，带附件.<br/>
    
      * MimeMessage 消息发送.<br/>
    
      * date: 2015年8月24日 上午9:57:19 <br/>
    
      *
    
      * @author joseph
    
      * @param toAddress
    
      * @param fromAddress
    
      * @param subject
    
      * @param msgBody
    
      * @throws MessagingException
    
      * @throws FileNotFoundException
    
      */
    
     void sendHtmlEmail(String toAddress, String fromAddress, String subject, String htmlBody, String filePath)
    
             throws MessagingException, FileNotFoundException;

     /**
    
      * 功能: 发html邮件或者普通邮件，msgBody是html文本或者普通文本，带附件.<br/>
    
      * MimeMessage 消息发送.<br/>
    
      * date: 2015年8月24日 上午9:57:19 <br/>
    
      *
    
      * @author joseph
    
      * @param toAddress
    
      * @param fromAddress
    
      * @param subject
    
      * @param htmlBody
    
      * @param filePath
    
      * @param fileName
    
      * @throws MessagingException
    
      * @throws FileNotFoundException
    
      */
    
     void sendHtmlEmail(String toAddress, String fromAddress, String subject, String htmlBody, String filePath,
    
             String fileName) throws MessagingException, FileNotFoundException;
    
 }

    邮件发送接口代码

  4. 邮件发送实现 
     /**
    
  * Copyright (c) 2015, www.wisdombud.com
    
  * All Rights Reserved.
    
  */
    
 package com.wisdombud.wisdomhr.common.srv;

 import java.io.File;
    
 import java.io.FileNotFoundException;

 import javax.mail.MessagingException;
    
 import javax.mail.internet.MimeMessage;

 import org.springframework.beans.factory.annotation.Autowired;
    
 import org.springframework.mail.SimpleMailMessage;
    
 import org.springframework.mail.javamail.JavaMailSender;
    
 import org.springframework.mail.javamail.MimeMessageHelper;
    
 import org.springframework.stereotype.Service;

 /**
    
  * 功能: 邮件发送实现.<br/>
    
  * date: 2015年8月24日 上午10:07:01 <br/>
    
  *
    
  * @author joseph
    
  * @version
    
  */
    
 @Service("mailSenderSrv")
    
 public class MailSenderSrvImpl implements MailSenderSrv {

     @Autowired
    
     private JavaMailSender mailSender;

     /**
    
      * @see com.wisdombud.wisdomhr.common.srv.MailSenderSrv#sendEmail(java.lang.String,
    
      *      java.lang.String, java.lang.String, java.lang.String)
    
      */

     @Override
    
     public void sendEmail(String toAddress, String fromAddress, String subject, String msgBody) {
    
         SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
    
         simpleMailMessage.setFrom(fromAddress);
    
         simpleMailMessage.setTo(toAddress);
    
         simpleMailMessage.setSubject(subject);
    
         simpleMailMessage.setText(msgBody);
    
         mailSender.send(simpleMailMessage);
    
     }

     /**
    
      * @throws MessagingException
    
      * @see com.wisdombud.wisdomhr.common.srv.MailSenderSrv#sendHtmlEmail(java.lang.String,
    
      *      java.lang.String, java.lang.String, java.lang.String)
    
      */

     @Override
    
     public void sendHtmlEmail(String toAddress, String fromAddress, String subject, String htmlBody)
    
             throws MessagingException {
    
         MimeMessage message = mailSender.createMimeMessage();
    
         MimeMessageHelper helper = new MimeMessageHelper(message, "UTF-8");
    
         helper.setTo(toAddress);
    
         helper.setFrom(fromAddress);
    
         helper.setText(htmlBody, true);
    
         helper.setSubject(subject);

         mailSender.send(message);

     }

     /**
    
      * @throws MessagingException
    
      * @throws FileNotFoundException
    
      * @see com.wisdombud.wisdomhr.common.srv.MailSenderSrv#sendHtmlEmail(java.lang.String,
    
      *      java.lang.String, java.lang.String, java.lang.String,
    
      *      java.lang.String)
    
      */

     @Override
    
     public void sendHtmlEmail(String toAddress, String fromAddress, String subject, String htmlBody, String filePath)
    
             throws MessagingException, FileNotFoundException {
    
         MimeMessage message = mailSender.createMimeMessage();
    
         MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
    
         helper.setTo(toAddress);
    
         helper.setFrom(fromAddress);
    
         helper.setText(htmlBody, true);
    
         helper.setSubject(subject);
    
         File file = new File(filePath);
    
         if (!file.exists()) {
    
             throw new FileNotFoundException("找不到附件：" + filePath);
    
         }
    
         helper.addAttachment(file.getName(), file);
    
         mailSender.send(message);
    
     }

     /**
    
      * @throws MessagingException
    
      * @throws FileNotFoundException
    
      * @see com.wisdombud.wisdomhr.common.srv.MailSenderSrv#sendHtmlEmail(java.lang.String,
    
      *      java.lang.String, java.lang.String, java.lang.String,
    
      *      java.lang.String)
    
      */

     @Override
    
     public void sendHtmlEmail(String toAddress, String fromAddress, String subject, String htmlBody, String filePath,
    
             String fileName) throws MessagingException, FileNotFoundException {
    
         MimeMessage message = mailSender.createMimeMessage();
    
         MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
    
         helper.setTo(toAddress);
    
         helper.setFrom(fromAddress);
    
         helper.setText(htmlBody, true);
    
         helper.setSubject(subject);
    
         File file = new File(filePath);
    
         if (!file.exists()) {
    
             throw new FileNotFoundException("找不到附件：" + filePath);
    
         }
    
         helper.addAttachment(fileName, file);
    
         mailSender.send(message);
    
     }
    
 }

    邮件发送实现代码

  5. 邮件发送测试代码（需要自己替换邮箱） 
     package com.wisdombud.wisdomhr.test.srv;

 import java.io.FileNotFoundException;

 import javax.mail.MessagingException;

 import org.junit.Test;
    
 import org.springframework.beans.factory.annotation.Autowired;

 import com.wisdombud.wisdomhr.common.srv.MailSenderSrv;
    
 import com.wisdombud.wisdomhr.test.base.AbstractTransactionContextTest;

 public class MailSrvTest extends AbstractTransactionContextTest {
    
     @Autowired
    
     private MailSenderSrv srv;

     @Test
    
     public void testTextMail() {
    
         String from = "test@163.com";
    
         String to = "test@163.com";
    
         String subject = "测试主题";
    
         String text = "测试内容";
    
         this.srv.sendEmail(to, from, subject, text);
    
     }

     @Test
    
     public void testHtmlMail() {
    
         String from = "test@163.com";
    
         String to = "test@163.com";
    
         String subject = "测试主题";
    
         String text = "<html><a href=\"www.baidu.com\">百度</a></html>";
    
         try {
    
             this.srv.sendHtmlEmail(to, from, subject, text);
    
         } catch (MessagingException e) {
    
             // TODO Auto-generated catch block
    
             e.printStackTrace();
    
         }
    
     }

     @Test
    
     public void testHtmlMailWithAttach() {
    
         String from = "test@163.com";
    
         String to = "test@163.com";
    
         String subject = "测试主题";
    
         String text = "<html><a href=\"www.baidu.com\">百度</a></html>";
    
         String filePath = "d://1.sql";
    
         try {
    
             this.srv.sendHtmlEmail(to, from, subject, text, filePath);
    
         } catch (MessagingException e) {
    
             // TODO Auto-generated catch block
    
             e.printStackTrace();
    
         } catch (FileNotFoundException e) {
    
             // TODO Auto-generated catch block
    
             e.printStackTrace();
    
         }
    
     }

     @Test
    
     public void testHtmlMailWithAttachAndName() {
    
         String from = "test@163.com";
    
         String to = "test@163.com";
    
         String subject = "测试主题";
    
         String text = "<html><a href=\"www.baidu.com\">百度</a></html>";
    
         String filePath = "d://1.sql";
    
         String fileName = "haha.sql";
    
         try {
    
             this.srv.sendHtmlEmail(to, from, subject, text, filePath, fileName);
    
         } catch (MessagingException e) {
    
             // TODO Auto-generated catch block
    
             e.printStackTrace();
    
         } catch (FileNotFoundException e) {
    
             // TODO Auto-generated catch block
    
             e.printStackTrace();
    
         }
    
     }

 }

    邮件发送测试代码

 

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