SendMailUtil.java
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package com.lhcredit.common.utils;
import com.sun.mail.util.MailSSLSocketFactory;
import org.springframework.core.io.support.PropertiesLoaderUtils;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import java.time.LocalDate;
import java.util.Date;
import java.util.Properties;
import java.util.Random;
/**
* 发送邮箱信息
*/
public class SendMailUtil {
private static String account; //登录用户名
private static String pass; //登录密码
private static String host; //服务器地址（邮件服务器）
private static String port; //端口
private static String protocol; //协议
private static String from; //发件人名称
public static final String subject = "辨险识财-邮箱绑定验证"; // 邮件标题
static {
Properties prop = new Properties();
try {
prop = PropertiesLoaderUtils.loadAllProperties("mail.properties");//生产环境
} catch (IOException e) {
System.out.println("加载属性文件失败");
}
account = prop.getProperty("username");
pass = prop.getProperty("password");
host = prop.getProperty("host");
port = prop.getProperty("port");
protocol = prop.getProperty("protocol");
from = prop.getProperty("from");
}
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) {
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));
//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();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void send(String to, File affix, String affixName, String reportName) {
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));
//主题
mimeMessage.setSubject(subject);
//时间
mimeMessage.setSentDate(new Date());
// 向multipart对象中添加邮件的各个部分内容，包括文本内容和附件
Multipart multipart = new MimeMultipart();
LocalDate now = LocalDate.now();
// 设置邮件的文本内容
BodyPart contentPart = new MimeBodyPart();
multipart.addBodyPart(contentPart);
/*// 添加附件
BodyPart messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(affix);
// 添加附件的内容
messageBodyPart.setDataHandler(new DataHandler(source));
// 添加附件的标题
// 这里很重要，通过下面的Base64编码的转换可以保证你的中文附件标题名在发送时不会变成乱码
sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();
messageBodyPart.setFileName(MimeUtility.encodeText(affixName, "utf-8", null));
// System.err.println(MimeUtility.encodeText(affixName));
multipart.addBodyPart(messageBodyPart);
*/
// 将multipart对象放到message中
mimeMessage.setContent(multipart);
// 保存邮件
mimeMessage.saveChanges();
Transport.send(mimeMessage);
} catch (MessagingException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
//获取6位随机数验证码
StringBuilder str = new StringBuilder();
Random random = new Random();
for (int i = 0; i < 6; i++) {
str.append(random.nextInt(10));
}
//contentPart.setContent("您的邮箱验证码为"+str.toString(), "text/html;charset=utf-8");
send("探雷针-邮箱绑定验证","您的邮箱验证码为"+str.toString(),"xueyf_bjzx@lhcis.com");
}
}