SendMailUtil.java
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package com.ruoyi.common.utils;
import com.alibaba.fastjson2.JSONArray;
import com.alibaba.fastjson2.JSONObject;
import com.sun.mail.util.MailSSLSocketFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.activation.DataHandler;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.util.ByteArrayDataSource;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.util.Date;
import java.util.Properties;
public class SendMailUtil {
private static Logger logger = LoggerFactory.getLogger(SendMailUtil.class);
private static String account = "lhdna-service@lhcis.com"; //登录用户名
private static String pass = "lhdNa2016"; //登录密码
private static String host = "smtp.exmail.qq.com"; //服务器地址（邮件服务器）
private static String port = "465"; //端口
private static String protocol = "smtp"; //协议
private static String from = "联合征信"; //发件人名称
public static final String subject = "深度版报告邮件提醒"; // 邮件标题
static class MyAuthenricator extends Authenticator {
String u = null;
String p = null;
public MyAuthenricator(String u, String p) {
this.u = u;
this.p = p;
}
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(u, p);
}
}
public static void send(String title,String content,String to,String cc) {
Properties prop = new Properties();
//协议
prop.setProperty("mail.transport.protocol", protocol);
//服务器
prop.setProperty("mail.smtp.host", host);
//端口
prop.setProperty("mail.smtp.port", port);
//使用smtp身份验证
prop.setProperty("mail.smtp.auth", "true");
//使用SSL，企业邮箱必需！
//开启安全协议
MailSSLSocketFactory sf = null;
try {
sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
} catch (GeneralSecurityException e1) {
e1.printStackTrace();
}
prop.put("mail.smtp.ssl.enable", "true");
prop.put("mail.smtp.ssl.socketFactory", sf);
Session session = Session.getDefaultInstance(prop, new MyAuthenricator(account, pass));
// session.setDebug(true);
MimeMessage mimeMessage = new MimeMessage(session);
try {
//发件人
mimeMessage.setFrom(new InternetAddress(account, from)); //可以设置发件人的别名
//mimeMessage.setFrom(new InternetAddress(account)); //如果不需要就省略
//收件人
mimeMessage.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
if(StringUtils.isNotEmpty(cc)){
InternetAddress[] sendCc = InternetAddress.parse(cc);
mimeMessage.setRecipients(MimeMessage.RecipientType.CC, sendCc);
}
//主题
mimeMessage.setSubject(title);
//时间
mimeMessage.setSentDate(new Date());
//容器类，可以包含多个MimeBodyPart对象
Multipart mp = new MimeMultipart();
//MimeBodyPart可以包装文本，图片，附件
MimeBodyPart body = new MimeBodyPart();
//HTML正文
body.setContent(content, "text/html; charset=UTF-8");
mp.addBodyPart(body);
// //添加图片&附件
// body = new MimeBodyPart();
// body.attachFile(fileStr);
// mp.addBodyPart(body);
//设置邮件内容
mimeMessage.setContent(mp);
//仅仅发送文本
//mimeMessage.setText(content);
mimeMessage.saveChanges();
Transport.send(mimeMessage);
} catch (MessagingException e) {
e.printStackTrace();
String msg = e.getMessage();
System.out.println(msg);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
*
* @param title 邮件标题
* @param content 邮件内容
* @param to 发件人(多个发件人的地址用逗号隔开)
* @param cc 抄送人
*/
public static void sends(String title,String content,String to,String cc) {
Properties prop = new Properties();
//协议
prop.setProperty("mail.transport.protocol", protocol);
//服务器
prop.setProperty("mail.smtp.host", host);
//端口
prop.setProperty("mail.smtp.port", port);
//使用smtp身份验证
prop.setProperty("mail.smtp.auth", "true");
//使用SSL，企业邮箱必需！
//开启安全协议
MailSSLSocketFactory sf = null;
try {
sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
} catch (GeneralSecurityException e1) {
e1.printStackTrace();
}
prop.put("mail.smtp.ssl.enable", "true");
prop.put("mail.smtp.ssl.socketFactory", sf);
Session session = Session.getInstance(prop, new MyAuthenricator(account, pass));
// session.setDebug(true);
MimeMessage mimeMessage = new MimeMessage(session);
try {
//发件人
mimeMessage.setFrom(new InternetAddress(account, from)); //可以设置发件人的别名
//mimeMessage.setFrom(new InternetAddress(account)); //如果不需要就省略
//收件人
//设置收件人地址，以逗号隔开
InternetAddress[] sendTo = InternetAddress.parse(to);
mimeMessage.setRecipients(MimeMessage.RecipientType.TO, sendTo);
if(StringUtils.isNotEmpty(cc)){
InternetAddress[] sendCc = InternetAddress.parse(cc);
mimeMessage.setRecipients(MimeMessage.RecipientType.CC, sendCc);
// mimeMessage.addRecipient(Message.RecipientType.CC, new InternetAddress(cc));
}
//主题
mimeMessage.setSubject(title);
//时间
mimeMessage.setSentDate(new Date());
//容器类，可以包含多个MimeBodyPart对象
Multipart mp = new MimeMultipart();
//MimeBodyPart可以包装文本，图片，附件
MimeBodyPart body = new MimeBodyPart();
//HTML正文
body.setContent(content, "text/html; charset=UTF-8");
mp.addBodyPart(body);
// //添加图片&附件
// body = new MimeBodyPart();
// body.attachFile(fileStr);
// mp.addBodyPart(body);
//设置邮件内容
mimeMessage.setContent(mp);
//仅仅发送文本
//mimeMessage.setText(content);
mimeMessage.saveChanges();
Transport.send(mimeMessage);
} catch (MessagingException e) {
e.printStackTrace();
String msg = e.getMessage();
System.out.println(msg);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 发送 附件邮件 ，多个发送人，用逗号隔开
* @param title
* @param content
* @param attachmentUrlArr
* @param to
* @param cc
*/
public static void sends(String title, String content, JSONArray attachmentUrlArr, String to, String cc) {
Properties prop = new Properties();
//协议
prop.setProperty("mail.transport.protocol", protocol);
//服务器
prop.setProperty("mail.smtp.host", host);
//端口
prop.setProperty("mail.smtp.port", port);
//使用smtp身份验证
prop.setProperty("mail.smtp.auth", "true");
//使用SSL，企业邮箱必需！
//开启安全协议
MailSSLSocketFactory sf = null;
try {
sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
} catch (GeneralSecurityException e1) {
e1.printStackTrace();
}
prop.put("mail.smtp.ssl.enable", "true");
prop.put("mail.smtp.ssl.socketFactory", sf);
Session session = Session.getInstance(prop, new MyAuthenricator(account, pass));
// session.setDebug(true);
MimeMessage mimeMessage = new MimeMessage(session);
try {
//发件人
mimeMessage.setFrom(new InternetAddress(account, from)); //可以设置发件人的别名
//mimeMessage.setFrom(new InternetAddress(account)); //如果不需要就省略
//收件人
//设置收件人地址，以逗号隔开
InternetAddress[] sendTo = InternetAddress.parse(to);
mimeMessage.setRecipients(MimeMessage.RecipientType.TO, sendTo);
if(StringUtils.isNotEmpty(cc)){
InternetAddress[] sendCc = InternetAddress.parse(cc);
mimeMessage.setRecipients(MimeMessage.RecipientType.CC, sendCc);
// mimeMessage.addRecipient(Message.RecipientType.CC, new InternetAddress(cc));
}
//主题
mimeMessage.setSubject(title);
//时间
mimeMessage.setSentDate(new Date());
//容器类，可以包含多个MimeBodyPart对象
Multipart mp = new MimeMultipart();
//MimeBodyPart可以包装文本，图片，附件
MimeBodyPart body = new MimeBodyPart();
//HTML正文
body.setContent(content, "text/html; charset=UTF-8");
mp.addBodyPart(body);
logger.info("正在发送邮件======");
//设置 邮件附件
for (int i = 0; i < attachmentUrlArr.size(); i++){
MimeBodyPart bodyPart = new MimeBodyPart();
JSONObject obj = (JSONObject)attachmentUrlArr.get(i);
byte[] bytes = downloadFileFromUrl(obj.getString("fileAttachments"));
if (bytes != null){
ByteArrayDataSource source = new ByteArrayDataSource(bytes, "application/octet-stream");
bodyPart.setDataHandler(new DataHandler(source));
String fileName = obj.getString("fileName") + "." + obj.getString("fileExtension").toLowerCase();
bodyPart.setFileName(fileName);
logger.info("正在添加邮件附件，邮件附件名称为：" + fileName);
mp.addBodyPart(bodyPart);
}
}
//设置邮件内容
mimeMessage.setContent(mp);
//仅仅发送文本
//mimeMessage.setText(content);
mimeMessage.saveChanges();
Transport.send(mimeMessage);
logger.info("邮件发送完成");
} catch (MessagingException e) {
e.printStackTrace();
String msg = e.getMessage();
System.out.println(msg);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 根据链接下载附件 并转成byte
* @param urlString
* @return
* @throws IOException
*/
private static byte[] downloadFileFromUrl(String urlString) throws IOException {
URL url = new URL(urlString);
try (InputStream inputStream = url.openStream();
ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bytesRead);
}
return outputStream.toByteArray();
}
}
public static void main(String[] args) {
JSONArray array = new JSONArray();
// JSONObject jsonObject = new JSONObject();
// jsonObject.put("url","http://filestorage.lhdna.com/creditManager/1910227386859122688.docx");
// jsonObject.put("name","aa.docx");
// JSONObject jsonObject1 = new JSONObject();
// jsonObject1.put("url","http://filestorage.lhdna.com/creditManager/1910583672389890048.pdf");
// jsonObject1.put("name","bbb.pdf");
// array.add(jsonObject);
// array.add(jsonObject1);
String context = "<p>报告生成失败提醒:</p>" +
"企业名称:" + "XXXXXXX" + "</br></br>" +
"报错信息:" ;
// SendMailUtil.send("##报告生成失败提醒:" + "XXXXXXX" + "##", context, "liyang_bjzx@lhcis.com", "liyang_bjzx@lhcis.com,nan@lhcis.com");
SendMailUtil.sends("##报告生成失败提醒:" + "XXXXXXX" + "##", context,array ,"18511354353@163.com", "liyang_bjzx@lhcis.com,nan@lhcis.com");
}
}