java 如何发送电子邮件

第一次写博客：

所有不知道怎么添加jar包；

activation-1.1.jar

javax.mail-1.6.0.jar

junrar-0.7.jar也可能是这个junrar-3.0.0.jar

  1 package com.wj.zxc.mail;
  2 
  3 
  4 import java.io.Serializable;
  5 
  6 /**
  7  * wj
  8  */
  9 public class EmailEntity implements Serializable {
 10     private static final long serialVersionUID = 1L;
 11     //邮箱服务器地址
 12     private String host;
 13     //主机端口
 14     private Integer port;
 15     //发送者的邮箱账号
 16     private String userName;
 17     //发送者的密码
 18     private String password;
 19     //发送者的邮箱地址
 20     private String fromAddress;
 21     //接收者的邮箱地址
 22     private String toAddress;
 23     //设置邮件主题
 24     private String subject;
 25     //设置邮件内容
 26     private String context;
 27     //设置邮件类型
 28     private String contextType;
 29 
 30     //抄送的邮箱地址
 31     private String ccAddress;
 32     public String getHost() {
 33         return host;
 34     }
 35 
 36     public void setHost(String host) {
 37         this.host = host;
 38     }
 39 
 40     public Integer getPort() {
 41         return port;
 42     }
 43 
 44     public void setPort(Integer port) {
 45         this.port = port;
 46     }
 47 
 48     public String getUserName() {
 49         return userName;
 50     }
 51 
 52     public void setUserName(String userName) {
 53         this.userName = userName;
 54     }
 55 
 56     public String getPassword() {
 57         return password;
 58     }
 59 
 60     public void setPassword(String password) {
 61         this.password = password;
 62     }
 63 
 64     public String getFromAddress() {
 65         return fromAddress;
 66     }
 67 
 68     public void setFromAddress(String fromAddress) {
 69         this.fromAddress = fromAddress;
 70     }
 71 
 72     public String getToAddress() {
 73         return toAddress;
 74     }
 75 
 76     public void setToAddress(String toAddress) {
 77         this.toAddress = toAddress;
 78     }
 79 
 80     public String getSubject() {
 81         return subject;
 82     }
 83 
 84     public void setSubject(String subject) {
 85         this.subject = subject;
 86     }
 87 
 88     public String getContext() {
 89         return context;
 90     }
 91 
 92     public void setContext(String context) {
 93         this.context = context;
 94     }
 95 
 96     public String getContextType() {
 97         return contextType;
 98     }
 99 
100     public void setContextType(String contextType) {
101         this.contextType = contextType;
102     }
103     public String getCcAddress() {
104         return ccAddress;
105     }
106 
107     public void setCcAddress(String ccAddress) {
108         this.ccAddress = ccAddress;
109     }
110 }

 1 package com.wj.zxc.mail;
 2 import javax.mail.Authenticator;
 3 import javax.mail.PasswordAuthentication;
 4 
 5 /**
 6  * 验证邮箱
 7  */
 8 public class VerifyEmail extends Authenticator {
 9     //账号
10     private String userName;
11     //密码
12     private String password;
13 
14     public String getUserName() {
15         return userName;
16     }
17 
18     public void setUserName(String userName) {
19         this.userName = userName;
20     }
21 
22     public String getPassword() {
23         return password;
24     }
25 
26     public void setPassword(String password) {
27         this.password = password;
28     }
29 
30     //构造方法
31     public VerifyEmail() {
32         super();
33     }
34 
35     public VerifyEmail(String userName, String password) {
36         super();
37         this.userName = userName;
38         this.password = password;
39     }
40 
41     protected PasswordAuthentication getPasswordAuthentication() {
42 
43         return new PasswordAuthentication(userName, password);
44 
45     }
46 }

  1 package com.wj.zxc.mail;
  2 
  3 import com.sun.mail.util.MailSSLSocketFactory;
  4 import javax.mail.*;
  5 import javax.mail.internet.*;
  6 import java.security.GeneralSecurityException;
  7 import java.util.Date;
  8 import java.util.Properties;
  9 
 10 /**
 11  * @Author
 12  */
 13 
 14 public class EmailSend {
 15 
 16     public static boolean EmailSendTest(EmailEntity emailEntity) {
 17         try {
 18             //配置文件
 19             MailSSLSocketFactory sf = null;
 20             try {
 21                 sf = new MailSSLSocketFactory();
 22                 sf.setTrustAllHosts(true);
 23             } catch (GeneralSecurityException e1) {
 24                 e1.printStackTrace();
 25             }
 26             Properties properties = new Properties();
 27             properties.put("mail.smtp.auth", "true");
 28             properties.put("mail.smtp.host", emailEntity.getHost());
 29             properties.put("mail.smtp.port", 994);//QQ邮箱
 30             //properties.put("mail.smtp.port", 465);网易邮箱
 31             properties.put("mail.smtp.starrttls.enable", "true");
 32             properties.put("mail.smtp.ssl.enable", "true");
 33             properties.put("mail.smtp.ssl.socketFactory", sf);
 34             //创建会话
 35             VerifyEmail verifyEmail = new VerifyEmail(emailEntity.getUserName(), emailEntity.getPassword());
 36             Session mailSession = Session.getInstance(properties, verifyEmail);
 37             mailSession.setDebug(true);
 38             //创建信息对象
 39             Message message = new MimeMessage(mailSession);
 40             InternetAddress from = new InternetAddress(emailEntity.getFromAddress());
 41             InternetAddress to = new InternetAddress(emailEntity.getToAddress());
 42             //设置邮件信息的来源
 43             message.setFrom(from);
 44             //设置邮件的接收者
 45             InternetAddress[] iaToListcs = new InternetAddress()
 46                     .parse(emailEntity.getCcAddress());
 47             message.setRecipients(Message.RecipientType.CC, iaToListcs); // 抄送人
 48 
 49 
 50             message.setRecipient(MimeMessage.RecipientType.TO, to);
 51             message.setSubject(emailEntity.getSubject());
 52             //设置邮件发送日期
 53             message.setSentDate(new Date());
 54             //设置邮件内容
 55                 // 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
 56                  Multipart multipart = new MimeMultipart();
 57                 BodyPart messageBodyPart = new MimeBodyPart();
 58                 message.setContent(emailEntity.getContext() , emailEntity.getContextType());
 59                 message.saveChanges();
 60                 sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();
 61                  multipart.addBodyPart(messageBodyPart);
 62 
 63             // 将multipart对象放到message中
 64            /* List<File> attachments = new ArrayList<>(); /////////////////////////多个附件
 65             Multipart multipart = new MimeMultipart();
 66             File a = new File("C:/Users/CYKJ/Desktop/外部次流模板.xlsx");
 67             File b = new File("C:/Users/CYKJ/Desktop/外部次流模板.xlsx");
 68             attachments.add(a);
 69             attachments.add(b);
 70             message.setContent(emailEntity.getContext() , emailEntity.getContextType());
 71             if (attachments.size()>0) {
 72                 for (File attachment : attachments) {
 73                     BodyPart attachmentPart = new MimeBodyPart();
 74                     DataSource source = new FileDataSource(attachment);
 75                     attachmentPart.setDataHandler(new DataHandler(source));
 76                     attachmentPart.setFileName(MimeUtility.encodeWord(attachment.getName()));
 77                     multipart.addBodyPart(attachmentPart);
 78                 }
 79             }
 80             message.setContent(multipart);*/
 81             // 保存邮件
 82             message.saveChanges();
 83             // 添加附件的内容
 84             //发送邮件
 85             
 86             Transport transport = mailSession.getTransport("smtp");
 87             transport.connect(emailEntity.getHost(), emailEntity.getUserName(), emailEntity.getPassword());
 88             System.out.println("发送:" + transport);
 89             transport.sendMessage(message, message.getAllRecipients());
 90             System.out.println("success");
 91             return true;
 92         } catch (MessagingException  e) {
 93             e.printStackTrace();
 94             //System.out.println("失败");
 95             return false;
 96 
 97         }
 98     }
 99 
100 }

package com.wj.zxc.mail;

/**
测试
 */
public class TestEmail {

    public static void main(String[]  arg) {
        EmailEntity email = new EmailEntity();
        email.setUserName("发送人");
        email.setPassword("密码（QQ邮箱→设置→账号→POP3/SMTP服务  开启（获取字符串））");
        email.setHost("smtp.qiye.163.com");//email.setHost("smtp.163.com");网易
        email.setFromAddress("发送人");
        email.setToAddress("接收人");
        email.setCcAddress("抄送人");
        email.setSubject("最后·的测试");
        email.setContext("没有东西");
        email.setContextType("text/html;charset=utf-8");
        boolean flag = EmailSend.EmailSendTest(email);
        System.err.println("邮件发送结果==" + flag);
    }
}

posted @ 2020-07-06 14:42 梦长阅读(2) 评论(0) 收藏举报

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java 如何发送电子邮件

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