0030-java 发 HTML格式文件之一_bodypart html = new mimebodypart();-优快云博客

本文提供了一个使用Java发送电子邮件的示例代码，演示了如何配置SMTP服务器并利用MIME消息格式来构造和发送带有HTML内容的邮件。

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package test.mail;

import java.io.IOException;
import java.util.Date;
import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
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;

public class Test_Email_N {
    public static void main(String args[]){
        try {
            send_email();
        }catch (Exception e) {
            e.printStackTrace();
        }
    }

    static class MyAuthenricator extends Authenticator{
             String user=null;
            String pass="";
             public MyAuthenricator(String user,String pass){
                 this.user=user;
                 this.pass=pass;
             }
             @Override
             protected PasswordAuthentication getPasswordAuthentication() {
                 return new PasswordAuthentication(user,pass);
             }

        }

public static void send_email() throws IOException, AddressException, MessagingException{

        String to = "1060&&****@qq.com";
        String subject = "subject";
        String content = "content";
        Properties properties = new Properties();
        properties.put("mail.smtp.host", "smtp.qq.com");
        properties.put("mail.smtp.port", "25");
        properties.put("mail.smtp.auth", "true");
        Authenticator authenticator = new MyAuthenricator("106066***@qq.com", "pwd");
        javax.mail.Session sendMailSession = javax.mail.Session.getDefaultInstance(properties, authenticator);
        MimeMessage mailMessage = new MimeMessage(sendMailSession);
        mailMessage.setFrom(new InternetAddress("1219999@qq.com"));
        // Message.RecipientType.TO属性表示接收者的类型为TO
        mailMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
        mailMessage.setSubject(subject, "UTF-8");
        mailMessage.setSentDate(new Date());
        // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象
        Multipart mainPart = new MimeMultipart();
        // 创建一个包含HTML内容的MimeBodyPart
        BodyPart html = new MimeBodyPart();
        html.setContent(content.trim(), "text/html; charset=utf-8");
        mainPart.addBodyPart(html);
        mailMessage.setContent(mainPart);
        Transport.send(mailMessage);
    }
}