JavaMail实现带附件和图片的邮件发送功能

时间:2022-07-28 18:59:16
package cn.cy.javamail;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
import javax.activation.*;
public class JavaMail1 {


private String host = "";  //smtp服务器
private String from = "";  //发件人地址
private String to = "";    //收件人地址
private String affix = ""; //附件地址
private String affixName = ""; //附件名称
private String user = "";  //用户名
private String pwd = "";   //密码
private String subject = ""; //邮件标题


public void setAddress(String from,String to,String subject){
this.from = from;
this.to = to;
this.subject = subject;
}


public void setAffix(String affix,String affixName){
this.affix = affix;
this.affixName = affixName;
}


public void send(String host,String user,String pwd) {
this.host = host;
this.user = user;
this.pwd  = pwd;


Properties props = new Properties();


//设置发送邮件的邮件服务器的属性(这里使用网易的smtp服务器)
props.put("mail.smtp.host", host);
//需要经过授权,也就是有用户名和密码的校验,这样才能通过验证(一定要有这一条)
props.put("mail.smtp.auth", "true");


//用刚刚设置好的props对象构建一个session
Session session = Session.getDefaultInstance(props);


//有了这句便可以在发送邮件的过程中在console处显示过程信息,供调试使
//用(你可以在控制台(console)上看到发送邮件的过程)
session.setDebug(true);


//用session为参数定义消息对象
MimeMessage message = new MimeMessage(session);
try{
//加载发件人地址
message.setFrom(new InternetAddress(from));
//加载收件人地址
message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));
//加载标题
message.setSubject(subject);


// 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();         




//   设置邮件的文本内容
BodyPart contentPart = new MimeBodyPart();
contentPart.setText("邮件的具体内容在此");
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
messageBodyPart.setFileName(MimeUtility.encodeText(affix,"utf-8",null));


multipart.addBodyPart(messageBodyPart);


//添加图片
BodyPart messageBodyPart1= new MimeBodyPart();
DataSource source1 = new FileDataSource(affixName);
//添加图片的内容
messageBodyPart1.setDataHandler(new DataHandler(source1));
//添加图片的标题
messageBodyPart1.setFileName(MimeUtility.encodeText(affixName,"utf-8",null));


multipart.addBodyPart(messageBodyPart1);




//将multipart对象放到message中
message.setContent(multipart,"text/html;charset=utf-8");
//保存邮件
message.saveChanges();
//发送邮件
Transport transport = session.getTransport("smtp");
//连接服务器的邮箱
transport.connect(host, user, pwd);
//把邮件发送出去
transport.sendMessage(message, message.getAllRecipients());
transport.close();
}catch(Exception e){
e.printStackTrace();
}
}  


public static void main(String[] args){
JavaMail1 cn = new JavaMail1();
//设置发件人地址、收件人地址和邮件标题
cn.setAddress("发件人地址","收件人地址","邮件标题");
//设置要发送附件的位置和标题
cn.setAffix("e:/测试.docx","e:/1.JPG");
//设置smtp服务器以及邮箱的帐号和密码
cn.send("smtp.163.com","邮箱的帐号","密码");


}