利用javax.mail发送邮件，图片与附件都可发送
1，Controller类
package com.web.controller.api;
import javax.annotation.Resource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.service.EmailService;
@Controller
@RequestMapping("api")
public class EmailTaskController {
private static final Logger logger = LoggerFactory.getLogger(EmailTaskController.class);
@Resource
EmailService emailService;
@RequestMapping("sendEmailTask")
public void sendEmailTask() {
logger.info("-------------执行发送邮件START---------------");
//写入excel
//insuranceService.excelManage();
//发邮件
emailService.emailManage();
logger.info("-------------执行发送邮件END---------------");
}
}
2,service类
package com.service.impl;
import java.io.File;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import com.entity.MailModel;
import com.service.EmailService;
import com.SimpleException;
@Service
public class EmailServiceImpl implements EmailService {
private static Logger logger = Logger.getLogger(EmailServiceImpl.class);
private String excelPath = "d://";
@Resource
private JavaMailSender javaMailSender;
@Resource
private SimpleMailMessage simpleMailMessage;
@Override
public void emailManage(){
MailModel mail = new MailModel();
//主题
mail.setSubject("清单");
//附件
Map<String, String> attachments = new HashMap<String, String>();
attachments.put("清单.xlsx",excelPath+"清单.xlsx");
mail.setAttachments(attachments);
//内容
StringBuilder builder = new StringBuilder();
builder.append("<html><body>你好！<br />");
builder.append("    附件是个人清单。<br />");
builder.append("    其中人信息；<br />");
builder.append("</body></html>");
String content = builder.toString();
mail.setContent(content);
sendEmail(mail);
}
/**
* 发送邮件
*
* @author chenyq
* @date 2016-5-9 上午11:18:21
* @throws Exception
*/
@Override
public void sendEmail(MailModel mail) {
// 建立邮件消息
MimeMessage message = javaMailSender.createMimeMessage();
MimeMessageHelper messageHelper;
try {
messageHelper = new MimeMessageHelper(message, true, "UTF-8");
// 设置发件人邮箱
if (mail.getEmailFrom()!=null) {
messageHelper.setFrom(mail.getEmailFrom());
} else {
messageHelper.setFrom(simpleMailMessage.getFrom());
}
// 设置收件人邮箱
if (mail.getToEmails()!=null) {
String[] toEmailArray = mail.getToEmails().split(";");
List<String> toEmailList = new ArrayList<String>();
if (null == toEmailArray || toEmailArray.length <= 0) {
throw new SimpleException("收件人邮箱不得为空！");
} else {
for (String s : toEmailArray) {
if (s!=null&&!s.equals("")) {
toEmailList.add(s);
}
}
if (null == toEmailList || toEmailList.size() <= 0) {
throw new SimpleException("收件人邮箱不得为空！");
} else {
toEmailArray = new String[toEmailList.size()];
for (int i = 0; i < toEmailList.size(); i++) {
toEmailArray[i] = toEmailList.get(i);
}
}
}
messageHelper.setTo(toEmailArray);
} else {
messageHelper.setTo(simpleMailMessage.getTo());
}
// 邮件主题
if (mail.getSubject()!=null) {
messageHelper.setSubject(mail.getSubject());
} else {
messageHelper.setSubject(simpleMailMessage.getSubject());
}
// true 表示启动HTML格式的邮件
messageHelper.setText(mail.getContent(), true);
// 添加图片
if (null != mail.getPictures()) {
for (Iterator<Map.Entry<String, String>> it = mail.getPictures().entrySet()
.iterator(); it.hasNext();) {
Map.Entry<String, String> entry = it.next();
String cid = entry.getKey();
String filePath = entry.getValue();
if (null == cid || null == filePath) {
throw new RuntimeException("请确认每张图片的ID和图片地址是否齐全！");
}
File file = new File(filePath);
if (!file.exists()) {
throw new RuntimeException("图片" + filePath + "不存在！");
}
FileSystemResource img = new FileSystemResource(file);
messageHelper.addInline(cid, img);
}
}
// 添加附件
if (null != mail.getAttachments()) {
for (Iterator<Map.Entry<String, String>> it = mail.getAttachments()
.entrySet().iterator(); it.hasNext();) {
Map.Entry<String, String> entry = it.next();
String cid = entry.getKey();
String filePath = entry.getValue();
if (null == cid || null == filePath) {
throw new RuntimeException("请确认每个附件的ID和地址是否齐全！");
}
File file = new File(filePath);
if (!file.exists()) {
throw new RuntimeException("附件" + filePath + "不存在！");
}
FileSystemResource fileResource = new FileSystemResource(file);
messageHelper.addAttachment(cid, fileResource);
}
}
messageHelper.setSentDate(new Date());
// 发送邮件
javaMailSender.send(message);
logger.info("------------发送邮件完成----------");
} catch (MessagingException e) {
e.printStackTrace();
}
}
}
MailModel实体类
package com.support.entity;
import java.util.Map;
public class MailModel {
/**
* 发件人邮箱服务器
*/
private String emailHost;
/**
* 发件人邮箱
*/
private String emailFrom;
/**
* 发件人用户名
*/
private String emailUserName;
/**
* 发件人密码
*/
private String emailPassword;
/**
* 收件人邮箱，多个邮箱以“;”分隔
*/
private String toEmails;
/**
* 邮件主题
*/
private String subject;
/**
* 邮件内容
*/
private String content;
/**
* 邮件中的图片，为空时无图片。map中的key为图片ID，value为图片地址
*/
private Map<String, String> pictures;
/**
* 邮件中的附件，为空时无附件。map中的key为附件ID，value为附件地址
*/
private Map<String, String> attachments;
private String fromAddress;//发送人地址1个
private String toAddresses;//接收人地址,可以为很多个，每个地址之间用";"分隔，比方说450065208@qq.com;lpf@sina.com
private String[] attachFileNames;//附件
public String getFromAddress() {
return fromAddress;
}
public void setFromAddress(String fromAddress) {
this.fromAddress = fromAddress;
}
public String getToAddresses() {
return toAddresses;
}
public void setToAddresses(String toAddresses) {
this.toAddresses = toAddresses;
}
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;
}
public String[] getAttachFileNames() {
return attachFileNames;
}
public void setAttachFileNames(String[] attachFileNames) {
this.attachFileNames = attachFileNames;
}
public String getEmailHost() {
return emailHost;
}
public void setEmailHost(String emailHost) {
this.emailHost = emailHost;
}
public String getEmailFrom() {
return emailFrom;
}
public void setEmailFrom(String emailFrom) {
this.emailFrom = emailFrom;
}
public String getEmailUserName() {
return emailUserName;
}
public void setEmailUserName(String emailUserName) {
this.emailUserName = emailUserName;
}
public String getEmailPassword() {
return emailPassword;
}
public void setEmailPassword(String emailPassword) {
this.emailPassword = emailPassword;
}
public String getToEmails() {
return toEmails;
}
public void setToEmails(String toEmails) {
this.toEmails = toEmails;
}
public Map<String, String> getPictures() {
return pictures;
}
public void setPictures(Map<String, String> pictures) {
this.pictures = pictures;
}
public Map<String, String> getAttachments() {
return attachments;
}
public void setAttachments(Map<String, String> attachments) {
this.attachments = attachments;
}
}
spring.xml添加配置信息
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 发送邮件 -->
<bean id="javaMailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<property name="host">
<value>${mail.host}</value>
</property>
<property name="javaMailProperties">
<props>
<prop key="mail.smtp.auth">true</prop>
<prop key="mail.smtp.timeout">25000</prop>
</props>
</property>
<property name="username">
<value>${mail.username}</value>
</property>
<property name="password">
<value>${mail.password}</value>
</property>
<property name="defaultEncoding">
<value>UTF-8</value>
</property>
</bean>
<bean id="simpleMailMessage" class="org.springframework.mail.SimpleMailMessage">
<property name="from" value="${mail.from}" />
<property name="subject" value="${mail.subject}" />
<property name="to" value="${mail.to}" />
<!--
<property name="text" value="邮件内容" />
-->
</bean>
</beans>
dev.properties配置
# email configuration mail.host=smtp.163.com mail.username=chenyanqing5945 mail.password=123456 mail.from=chenyanqing5945@163.com#发件人 mail.to=164792930@qq.com#收件人（多个用,隔开） mail.subject=testEmail #主题
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