springMVC simple implementation of sending mail
- 2020-06-23 00:32:43
- OfStack
Use ES1en. mail to send email, pictures and attachments can be sent
1, Controller class
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("------------- Execute send message START---------------");
// write excel
//insuranceService.excelManage();
// email
emailService.emailManage();
logger.info("------------- Execute send message END---------------");
}
}
2, service class
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();
// The theme
mail.setSubject(" listing ");
// The attachment
Map<String, String> attachments = new HashMap<String, String>();
attachments.put(" listing .xlsx",excelPath+" listing .xlsx");
mail.setAttachments(attachments);
// content
StringBuilder builder = new StringBuilder();
builder.append("<html><body> Hello! <br />");
builder.append("     The attachment is a personal list. <br />");
builder.append("     Personal information; <br />");
builder.append("</body></html>");
String content = builder.toString();
mail.setContent(content);
sendEmail(mail);
}
/**
* Send E-mail
*
* @author chenyq
* @date 2016-5-9 In the morning 11:18:21
* @throws Exception
*/
@Override
public void sendEmail(MailModel mail) {
// Create mail message
MimeMessage message = javaMailSender.createMimeMessage();
MimeMessageHelper messageHelper;
try {
messageHelper = new MimeMessageHelper(message, true, "UTF-8");
// Set the sender email address
if (mail.getEmailFrom()!=null) {
messageHelper.setFrom(mail.getEmailFrom());
} else {
messageHelper.setFrom(simpleMailMessage.getFrom());
}
// Set the recipient mailbox
if (mail.getToEmails()!=null) {
String[] toEmailArray = mail.getToEmails().split(";");
List<String> toEmailList = new ArrayList<String>();
if (null == toEmailArray || toEmailArray.length <= 0) {
throw new SimpleException(" The recipient's mailbox must not be empty! ");
} else {
for (String s : toEmailArray) {
if (s!=null&&!s.equals("")) {
toEmailList.add(s);
}
}
if (null == toEmailList || toEmailList.size() <= 0) {
throw new SimpleException(" The recipient's mailbox must not be empty! ");
} 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());
}
// Email subject
if (mail.getSubject()!=null) {
messageHelper.setSubject(mail.getSubject());
} else {
messageHelper.setSubject(simpleMailMessage.getSubject());
}
// true Said to start HTML Formatted email
messageHelper.setText(mail.getContent(), true);
// Add images
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(" Please confirm each picture ID And the picture address is complete! ");
}
File file = new File(filePath);
if (!file.exists()) {
throw new RuntimeException(" The picture " + filePath + " Does not exist! ");
}
FileSystemResource img = new FileSystemResource(file);
messageHelper.addInline(cid, img);
}
}
// Add attachments
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(" Please confirm each attachment ID And the address is complete! ");
}
File file = new File(filePath);
if (!file.exists()) {
throw new RuntimeException(" The attachment " + filePath + " Does not exist! ");
}
FileSystemResource fileResource = new FileSystemResource(file);
messageHelper.addAttachment(cid, fileResource);
}
}
messageHelper.setSentDate(new Date());
// Send E-mail
javaMailSender.send(message);
logger.info("------------ Completion of sending mail ----------");
} catch (MessagingException e) {
e.printStackTrace();
}
}
}
MailModel entity class
package com.support.entity;
import java.util.Map;
public class MailModel {
/**
* Sender email server
*/
private String emailHost;
/**
* Sender email
*/
private String emailFrom;
/**
* Sender username
*/
private String emailUserName;
/**
* Sender password
*/
private String emailPassword;
/**
* Recipient mailbox, multiple mailboxes with the ; "Space
*/
private String toEmails;
/**
* Email subject
*/
private String subject;
/**
* Email content
*/
private String content;
/**
* The picture in the email is empty and there is no picture. map In the key For the picture ID . value Is the image address
*/
private Map<String, String> pictures;
/**
* The attachment in the mail is empty and there is no attachment. map In the key As the attachment ID . value Is the attachment address
*/
private Map<String, String> attachments;
private String fromAddress;// Sender address 1 a
private String toAddresses;// Recipient address , It can be used for many, between each address ";" Separation, let's say 450065208@qq.com;lpf@sina.com
private String[] attachFileNames;// The attachment
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 adds configuration information
<?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">
<!-- Send E-mail -->
<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=" Email content " />
-->
</bean>
</beans>
dev. properties configuration
# email configuration
mail.host=smtp.163.com
mail.username=chenyanqing5945
mail.password=123456
mail.from=chenyanqing5945@163.com# The sender
mail.to=164792930@qq.com# Recipient (multiple USES , Separated)
mail.subject=testEmail # The theme