SMTP 发送邮件

package com.chengyi.common.service;

import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import javax.mail.util.ByteArrayDataSource;

import org.springframework.stereotype.Service;

@Service
public class MailService {

	// 发送邮件String emailMsg,String users
	public static void sendMail(String users, String msg, String title, String passWord) throws AddressException, MessagingException, UnsupportedEncodingException {

		Message message = initMailInfo(passWord);

		new InternetAddress();
		InternetAddress[] internetAddressTo = InternetAddress.parse(users);

		// 设置发送方式与接收者多人
		message.setRecipients(MimeMessage.RecipientType.TO, internetAddressTo);
		// 设置主题
		message.setSubject(title);
		// 设置内容
		message.setContent(msg, "text/html;charset=utf-8");

		// 3.创建 Transport用于将邮件发送
		Transport.send(message);
	}

	private static Message initMailInfo(String passWord) throws AddressException, MessagingException {
		// 1.创建一个程序与邮件服务器会话对象 Session
		Properties props = new Properties();
		props.setProperty("mail.transport.protocol", "SMTP");
		props.setProperty("mail.smtp.host", "***");
		props.setProperty("mail.smtp.port", "**");
		props.setProperty("mail.smtp.ssl.enable", "true");
		// 指定验证为true
		props.setProperty("mail.smtp.auth", "true");
		props.setProperty("mail.smtp.timeout", "12000");
		// 验证账号及密码，密码需要是第三方授权码
		Authenticator auth = new Authenticator() {
			public PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication("*@*.com", passWord);//""
			}
		};
		Session session = Session.getInstance(props, auth);
		session.setDebug(true);
		// 2.创建一个Message，它相当于是邮件内容
		Message message = new MimeMessage(session);
		// 设置发送者
		message.setFrom(new InternetAddress("qq.com"));
		return message;
	}

	public static void sendMail(String users, String msg, String title, InputStream is, String passWord) throws AddressException, MessagingException, IOException {

		Message message = initMailInfo(passWord);

		new InternetAddress();
		InternetAddress[] internetAddressTo = InternetAddress.parse(users);

		// 设置发送方式与接收者多人
		message.setRecipients(MimeMessage.RecipientType.TO, internetAddressTo);
		// 设置主题
		message.setSubject(title);
		// 6. 创建邮件内容"节点"
		MimeBodyPart textBodyPart = new MimeBodyPart();
		textBodyPart.setContent(msg, "text/html;charset=UTF-8");

		// 添加附件节点
		MimeBodyPart fileBodyPart = new MimeBodyPart();
		DataSource source = new ByteArrayDataSource(is, "application/msexcel");
		// 添加附件的内容
		fileBodyPart.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
		MimeMultipart multipart = new MimeMultipart();
	//	fileBodyPart.setFileName(MimeUtility.encodeText(title + ".xls")); 加了这个编码转换 订单反而 有问题  
//	这个我也不知道为什么 有时候这样 有时候不会
		fileBodyPart.setFileName(MimeUtility.encodeText(title + ".xls"));
		multipart.addBodyPart(fileBodyPart);
		multipart.addBodyPart(textBodyPart);
		message.setContent(multipart);

		// 3.创建 Transport用于将邮件发送
		Transport.send(message);
	}

	public static void sendMail(String users, String ccAdresses, String msg, String title, InputStream is, String passWord) throws AddressException, MessagingException, IOException {

		Message message = initMailInfo(passWord);

		new InternetAddress();
		InternetAddress[] internetAddressTo = InternetAddress.parse(users);
		InternetAddress[] internetAddressCC = InternetAddress.parse(ccAdresses);
		// 设置发送方式与接收者多人
		message.setRecipients(MimeMessage.RecipientType.TO, internetAddressTo);

		//增加抄送人员
		message.setRecipients(MimeMessage.RecipientType.CC, internetAddressCC);

		// 设置主题
		message.setSubject(title);
		// 6. 创建邮件内容"节点"
		MimeBodyPart textBodyPart = new MimeBodyPart();
		textBodyPart.setContent(msg, "text/html;charset=UTF-8");

		// 添加附件节点
		MimeBodyPart fileBodyPart = new MimeBodyPart();
		DataSource source = new ByteArrayDataSource(is, "application/msexcel");
		// 添加附件的内容
		fileBodyPart.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
		MimeMultipart multipart = new MimeMultipart();
		fileBodyPart.setFileName(MimeUtility.encodeText(title + ".xls"));
		multipart.addBodyPart(fileBodyPart);
		multipart.addBodyPart(textBodyPart);
		message.setContent(multipart);

		// 3.创建 Transport用于将邮件发送
		Transport.send(message);
	}

}

　　上面是邮件工具类下面是调用方法

 1 /**
 2      * 每天中午一点半 执行 
 3      */
 4     @Scheduled(cron = "0 30 13 ? * *") // 本地注释掉
 5     // @Scheduled(cron = "0 0/1 * * * ?") // 本地注释掉 测试 一分钟执行一次
 6     public void scheduleEvaluationNotice() {
 7 
 8         String serverIP = "";
 9         try {
10             InetAddress address = InetAddress.getLocalHost();
11             serverIP = address.getHostAddress();
12         } catch (UnknownHostException e) {
13             e.printStackTrace();
14         }
15         String code = sysParameterMapper.queryvalue(ConstantsParameter.TIMECONTROLLER_IDENTIFICATION_fACTORY_CODE);
16         if (serverIP.equals("") ) { // 判断服务器IP
17 
18         
19             try {
20                 Date date = new Date();
21                 SimpleDateFormat dateFm = new SimpleDateFormat("E");
22                 String currSun = dateFm.format(date);
23 
24                 int weekday = 0;
25                 if (currSun.equals("星期一")) {
26                     weekday = 0;
27                 } else if (currSun.equals("星期二")) {
28                     weekday = 1;
29                 } else if (currSun.equals("星期三")) {
30                     weekday = 2;
31                 } else if (currSun.equals("星期四")) {
32                     weekday = 3;
33                 } else if (currSun.equals("星期五")) {
34                     weekday = 4;
35                 } else if (currSun.equals("星期六")) {
36                     weekday = 5;
37                 } else if (currSun.equals("星期日")) {
38                     weekday = 6;
39                 }
40             
41                 log.info("判断是否发送邮件  " + date + "--" + currSun + "--" + count + "" + " 
");
42                 if (Integer.parseInt(count) == weekday) {
43                     sendMail();
44                 }
45             } catch (Exception e) {
46                 log.info("发送失败
");
47                 System.out.println(e)
48 
49             }
50         }
51 
52     }
53 
54     public void sendMail() {
55         ExcelGenerate excelGenerate = null;
56         try {
57             List<Object> export2 = rbbSchedulingService.getExport(new ScheduleEvaluationModel(), "考评", excelGenerate, "Y");
58             ExcelGenerate export = (ExcelGenerate) export2.get(0);
59             @SuppressWarnings("unchecked")
60             List<ScheduleEvaluationModel> list2 = (List<ScheduleEvaluationModel>) export2.get(1);
61             // 获取输出流
62             InputStream input = null;
63 
64             // 获取输出流
65             ByteArrayOutputStream bos = new ByteArrayOutputStream();
66             export.write(bos);
67             input = new ByteArrayInputStream(bos.toByteArray());
68 
69             List<String> mailaddress = mstOrganizationMailMapper.getMailaddress();
70             if (mailaddress.size() > 0) {
71                 String users = String.join(",", mailaddress);
72                 
73                 MailService.sendMail(users, getTableStart(list2).toString(), "系统自动发送", input, sysParameterMapper.queryvalue(ConstantsParameter.EXMAIL_PASSWORD));
74                 log.info("发送成功
");
75             }
76         } catch (Exception e) {
77             log.info("发送失败
");
78             System.out.println(e);
79         }
80 
81     }
82 
83     public StringBuilder getTableStart(List<ScheduleEvaluationModel> list2) {
84         StringBuilder table = new StringBuilder();
85         table.append("    <html>");
86         table.append("     <head>");
87         table.append("      <title> New Document </title>");
88         table.append("     </head>");
89         table.append("     <body>");
90         table.append("***********略***************");
91         
92         table.append("       </table></body></html>  ");
93         return table;
94     }

这两个搭配使用