用commons-email 包简化邮件发送:
package tf;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import org.apache.commons.mail.EmailAttachment;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
import org.apache.commons.mail.MultiPartEmail;
import org.apache.commons.mail.SimpleEmail;
public class Mail {
public static void main(String[] args) {
sendSimpleEmail();
sendMultiPartEmail();
sendHtmlEmail();
}
/**
* 发送简单文本邮件
*/
public static void sendSimpleEmail() {
SimpleEmail email = new SimpleEmail();
email.setHostName("smtp.gmail.com"); // 设置发送端服务器
email.setAuthentication("test", "test"); // 用户名和密码
email.setCharset("UTF-8"); // 设置字符集
email.setSSL(true); // gmail邮箱必须设置为true
try {
email.setFrom("[email protected]", "发件人"); // 发件人
email.addTo("[email protected]", "收件人"); // 收件人1
// email.addTo("[email protected]", "哈哈"); // 收件人2
// email.addCc("[email protected]", "test"); // 抄送
// email.addBcc("[email protected]", "test"); // 密送
email.setSubject("测试简单邮件"); // 主题
email.setMsg("这里是测试简单邮件内容"); // 发送内容
email.send();
System.out.println("success!");
} catch (EmailException e) {
System.out.println("failure!");
e.printStackTrace();
}
}
/**
* 发送带附件邮件
*/
public static void sendMultiPartEmail() {
MultiPartEmail email = new MultiPartEmail();
email.setHostName("smtp.126.com"); // 设置发送端服务器
email.setAuthentication("test", "test"); // 用户名和密码
email.setCharset("UTF-8"); // 设置字符集
try {
email.setFrom("[email protected]", "发件人"); // 发件人
email.addTo("[email protected]", "收件人"); // 收件人1
email.setSubject("测试附件邮件"); // 主题
email.setMsg("这里是测试附件邮件内容"); // 发送内容
setAttach(email, Arrays.asList("d:/test1.txt", "d:/test2.doc")); // 设置附件
email.send();
System.out.println("success!");
} catch (EmailException e) {
System.out.println("failure!");
e.printStackTrace();
}
}
/**
* 发送HTML邮件
*/
public static void sendHtmlEmail() {
HtmlEmail email = new HtmlEmail();
email.setHostName("smtp.126.com"); // 设置发送端服务器
email.setAuthentication("test", "test"); // 用户名和密码
email.setCharset("UTF-8"); // 设置字符集
try {
email.setFrom("[email protected]", "发件人"); // 发件人
email.addTo("[email protected]", "收件人"); // 收件人1
email.setSubject("测试HTML邮件"); // 主题
URL url = new URL("http://www.apache.org/images/asf_logo_wide.gif");
String cid = email.embed(url, "Apache logo");
email.setHtmlMsg("<html>这里是测试HTML邮件内容---<img src=\"cid:" + cid
+ "\"></html>"); // 发送内容
setAttach(email, Arrays.asList("d:/test1.txt", "d:/test2.doc")); // 设置附件
email.send();
System.out.println("success!");
} catch (Exception e) {
System.out.println("failure!");
e.printStackTrace();
}
}
/**
* 设置附件
*/
public static void setAttach(MultiPartEmail email, List<String> list)
throws EmailException {
for (String aPath : list) {
String aName = aPath.substring(aPath.lastIndexOf("/") + 1, aPath
.length());
EmailAttachment attach = new EmailAttachment();
attach.setName(aName); // 设置附件名
attach.setDisposition(EmailAttachment.ATTACHMENT);
attach.setDescription("attach");
attach.setPath(aPath); // 设置附件路径
// attach.setURL(new URL(
// "http://www.apache.org/images/asf_logo_wide.gif"));
email.attach(attach);
}
}
///////////////////////////////////////////////////////////////////////////
/**
* JavaMail处理发送gmail邮件
*/
public static void send() throws Exception {
final String host = "smtp.gmail.com";
final String username = "test";
final String password = "test";
Properties props = System.getProperties();
props.setProperty("mail.smtp.host", host);
props.setProperty("mail.smtp.auth", "true");
handleSSL(props); //gmail邮箱需处理
Session session = Session.getDefaultInstance(props,
new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("[email protected]"));
msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(
"[email protected]", false));
msg.setSubject("呵呵,好啊");
msg.setText("最近在干什么呢?");
msg.setSentDate(new Date());
Transport.send(msg);
System.out.println("Email has sended.");
}
/**
* 处理安全套接层协议
*/
private static void handleSSL(Properties props) {
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);
props.setProperty("mail.smtp.socketFactory.fallback", "false");
props.setProperty("mail.smtp.port", "465");
props.setProperty("mail.smtp.socketFactory.port", "465");
props.setProperty("mail.imap.socketFactory.class", SSL_FACTORY);
props.setProperty("mail.imap.socketFactory.fallback", "false");
props.setProperty("mail.imap.port", "143");
props.setProperty("mail.imap.socketFactory.port", "143");
}
}