java实现发送邮件功能

要实现邮件发送功能需要导入包：mail.jar

/*
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package org.demo.action;

import java.util.Properties;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.demo.form.DemoForm;

public class DemoAction extends Action {

private static final String CONTENT_TYPE = test/html;charset=GB2312;

public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
DemoForm demoForm = (DemoForm) form;
System.out.println(标题是 + demoForm.getBiaoti());
System.out.println(内容是 + demoForm.getNeirong());
try {
response.setContentType(CONTENT_TYPE);
String smtphost = smtp.nj.headware.cn; // 发送邮件服务器
String user = q0000015369; // 邮件服务器登录用户名
String password = Queshuwen26; // 邮件服务器登录密码
String from = q0000015369@nj.headware.cn; //
String to = c0000016205@nj.headware.cn; // 收件人邮件地址
String subject = demoForm.getBiaoti(); // 邮件标题
String body = demoForm.getNeirong(); // 邮件内容
Properties props = new Properties();
props.put(mail.smtp.host, smtphost);
props.put(mail.smtp.auth, true);
Session ssn = Session.getInstance(props, null);

MimeMessage message = new MimeMessage(ssn);

InternetAddress fromAddress = new InternetAddress(from);
message.setFrom(fromAddress);
InternetAddress toAddress = new InternetAddress(to);
message.addRecipient(Message.RecipientType.TO, toAddress);
message.setSubject(subject);
message.setText(body);
Transport transport = ssn.getTransport(smtp);

transport.connect(smtphost, user, password);

transport.sendMessage(message, message
.getRecipients(Message.RecipientType.TO));
// transport.send(message);
transport.close();
return mapping.findForward(succ);
} catch (Exception e) {
e.printStackTrace();
return mapping.findForward(fail);
}

}
}