JavaMail入门教程之创建邮件（2）

import java.util.Date;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.io.FileOutputStream;

public class TextMessage {
 public static void main(String[] args) throws Exception {
 String from = "123456@qq.com";
 String to = "123456@163.com";
 String subject = "test";
 String body = "test!!!";

 // 创建Session实例对象
 Session session = Session.getDefaultInstance(new Properties());
 // 创建MimeMessage实例对象
 MimeMessage msg = new MimeMessage(session);
 // 设置发件人
 msg.setFrom(new InternetAddress(from));
 // 设置收件人
 msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
 // 设置发送日期
 msg.setSentDate(new Date());
 // 设置邮件主题
 msg.setSubject(subject);
 // 设置纯文本内容的邮件正文
 msg.setText(body);
 // 保存并生成最终的邮件内容
 msg.saveChanges();
 // 把MimeMessage对象中的内容写入到文件中
 msg.writeTo(new FileOutputStream("c:\\test.eml"));
 }
}

import java.util.Date;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.io.FileOutputStream;

public class HtmlMessage {
 public static void main(String[] args) throws Exception {
 String from = "123456@qq.com";
 String to = "123456@163.com";
 String subject = "test";
 String body = "<h4>欢迎大家阅读此邮件</h4>";
 // 创建Session实例对象
 Session session = Session.getDefaultInstance(new Properties());
 // 创建MimeMessage实例对象
 MimeMessage msg = new MimeMessage(session);
 // 设置发件人
 msg.setFrom(new InternetAddress(from));
 // 设置收件人
 msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
 // 设置发送日期
 msg.setSentDate(new Date());
 // 设置邮件主题
 msg.setSubject(subject);
 // 设置HTML格式的邮件正文
 msg.setContent(body, "text/html;charset=gb2312");
 // 保存并生成最终的邮件内容
 msg.saveChanges();
 // 把MimeMessage对象中的内容写入到文件中
 msg.writeTo(new FileOutputStream("c:\\test.eml"));
 }
}

import java.io.FileOutputStream;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class PictureMessage {
 public static void main(String[] args) throws Exception {
 String from = "123456@qq.com";// 发件人地址
 String to = "123456@163.com"; // 收件人地址
 String subject = "HTML邮件";
 String body = "<a href=http://www.cnblogs.com>" + "欢迎大家访问博客园</a></br>"
 + "<img src=\"c:\\dog.jpg\">";

 Session session = Session.getDefaultInstance(new Properties());
 // 创建MimeMessage对象，并设置各种邮件头字段
 MimeMessage message = new MimeMessage(session);
 message.setFrom(new InternetAddress(from));
 message.setRecipients(Message.RecipientType.TO,
 InternetAddress.parse(to));
 message.setSubject(subject);

 // 创建一个子类型为"related"的MimeMultipart对象。
 MimeMultipart multipart = new MimeMultipart("related");

 /*
 * 创建一个表示HTML正文的MimeBodyPart对象， 并将它加入到前面创建的MimeMultipart对象中
 */
 MimeBodyPart htmlBodyPart = new MimeBodyPart();
 htmlBodyPart.setContent(body, "text/html;charset=gb2312");
 multipart.addBodyPart(htmlBodyPart);

 /*
 * 创建一个表示图片内容的MimeBodyPart对象， 并将它加入到前面创建的MimeMultipart对象中
 */
 MimeBodyPart gifBodyPart = new MimeBodyPart();
 FileDataSource fds = new FileDataSource("c:\\dog.jpg");
 gifBodyPart.setFileName(fds.getName());
 gifBodyPart.setDataHandler(new DataHandler(fds));
 multipart.addBodyPart(gifBodyPart);

 /*
 * 将MimeMultipart对象设置为整个邮件的内容， 要注意调用saveChanges方法进行更新
 */
 message.setContent(multipart);
 message.saveChanges();

 // 把MimeMessage对象中的内容写入到文件中
 message.writeTo(new FileOutputStream("c:\\PictureMessage.eml"));
 }
}

public MimeMultipart()
public MimeMultipart(String subtype)

import java.io.FileOutputStream;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class ComplexMessage {
 public static void main(String[] args) throws Exception {
 Session session = Session.getDefaultInstance(new Properties());
 MimeMessage message = createMessage(session);
 message.writeTo(new FileOutputStream("c:\\ComplexMessage.eml"));
 }

 public static MimeMessage createMessage(Session session) throws Exception {
 String from = "123456@qq.com";// 发件人地址
 String to = "123456@163.com"; // 收件人地址
 String subject = "HTML邮件"; // 邮件主题
 String body = "<a href=http://www.cnblogs.com>" + "欢迎大家访问博客园</a></br>"
 + "<img src=\"c:\\dog.jpg\">";

 MimeMessage message = new MimeMessage(session);
 message.setFrom(new InternetAddress(from));
 message.setRecipients(Message.RecipientType.TO,
 InternetAddress.parse(to));
 message.setSubject(subject);

 // 创建代表邮件正文和附件的各个MimeBodyPart对象
 MimeBodyPart contentPart = createContent(body, "c:\\dog.jpg");
 // 下面的附件可以是视频或者是音频
 MimeBodyPart attachPart1 = createAttachment("c:\\音乐.MP3");
 MimeBodyPart attachPart2 = createAttachment("c:\\视频.avi");

 // 创建用于组合邮件正文和附件的MimeMultipart对象
 MimeMultipart allMultipart = new MimeMultipart("mixed");
 allMultipart.addBodyPart(contentPart);
 allMultipart.addBodyPart(attachPart1);
 allMultipart.addBodyPart(attachPart2);

 // 设置整个邮件内容为最终组合出的MimeMultipart对象
 message.setContent(allMultipart);
 message.saveChanges();
 return message;
 }

 public static MimeBodyPart createContent(String body, String filename)
 throws Exception {
 /*
 * 创建代表组合MIME消息的MimeMultipart对象， 和将该MimeMultipart对象保存到的MimeBodyPart对象
 */
 MimeBodyPart contentPart = new MimeBodyPart();
 MimeMultipart contentMultipart = new MimeMultipart("related");

 /*
 * 创建用于保存HTML正文的MimeBodyPart对象， 并将它保存到MimeMultipart中
 */
 MimeBodyPart htmlBodyPart = new MimeBodyPart();
 htmlBodyPart.setContent(body, "text/html;charset=gb2312");
 contentMultipart.addBodyPart(htmlBodyPart);

 /*
 * 创建用于保存图片的MimeBodyPart对象， 并将它保存到MimeMultipart中
 */
 MimeBodyPart gifBodyPart = new MimeBodyPart();
 FileDataSource fds = new FileDataSource(filename);
 gifBodyPart.setDataHandler(new DataHandler(fds));
 contentMultipart.addBodyPart(gifBodyPart);

 // 将MimeMultipart对象保存到MimeBodyPart对象中
 contentPart.setContent(contentMultipart);
 return contentPart;
 }

 public static MimeBodyPart createAttachment(String filename)
 throws Exception {
 // 创建保存附件的MimeBodyPart对象，并加入附件内容和相应信息
 MimeBodyPart attachPart = new MimeBodyPart();
 FileDataSource fds = new FileDataSource(filename);
 attachPart.setDataHandler(new DataHandler(fds));
 attachPart.setFileName(fds.getName());
 return attachPart;
 }
}