使用Java 发送电子邮件
一个采用sun的类库的java发送邮件的demo
因为使用的是Gmail 所以有所不同 Gmail的端口是465 而其他邮箱一般是25 而且Gmail还要用到SSL的一些东西
package send.mail.test;import java.util.Date;import java.util.Properties;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import javax.net.ssl.SSLSocketFactory;import java.security.Security;public class TestSendEmail {public static void main(String[] args) {Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());EmailBase base = new EmailBase("smtp.gmail.com", "namezhou#gmail.com","********");base.setDebug(true);base.setPort(465);if (EmailSendManager.sendMail("namezhou#gmail.com", "title", "content",base))System.err.println("发送成功!");elseSystem.err.println("发送失败");}}/** * 邮件发送功能实现 */class EmailSendManager {/** * 发送邮件方法 * * @param toMail * 邮件地址 * @param toTitle * 标题名称 * @param toContent * 邮件内容 * @return boolean 是否成功 */public static boolean sendMail(String toMail, String toTitle,String toContent, EmailBase base) {try {Properties props = base.getEmailProperties();// 根据属性新建一个邮件会话Session session = Session.getInstance(props);session.setDebug(base.isDebug());// 由邮件会话新建一个消息对象Message message = new MimeMessage(session);// 设置邮件InternetAddress from = new InternetAddress(base.getFromAddress());// 设置发件人message.setFrom(from);InternetAddress toWhere = new InternetAddress(toMail);// 设置收件人,并设置其接收类型为TOmessage.setRecipient(Message.RecipientType.TO, toWhere);// 设置主题message.setSubject(toTitle);// 设置信件内容message.setText(toContent);// 设置发信时间message.setSentDate(new Date());// 发送邮件并存储邮件信息message.saveChanges();Transport transport = session.getTransport("smtp");// 以smtp方式登录邮箱,第一个参数是发送邮件用的邮件服务器SMTP地址,第二个参数为用户名,第三个参数为密码transport.connect(base.getSmtp(), base.getFromAddress(), base.getPassword());// 发送邮件,其中第二个参数是所有已设好的收件人地址transport.sendMessage(message, message.getAllRecipients());transport.close();return true;} catch (MessagingException e) {e.printStackTrace();return false;}}}/** * 把发邮件所需的信息封装成一个类 * * @author Ericzhou * */class EmailBase {public EmailBase(String smtp, String from, String password) {this.emailProperties = new Properties();this.smtp = smtp;this.fromAddress = from;this.password = password;this.emailProperties.put("mail.smtp.host", this.smtp);this.emailProperties.put("mail.smtp.port", this.port);this.emailProperties.put("mail.smtp.auth", this.auth);this.emailProperties.put("mail.smtp.socketFactory.class","javax.net.ssl.SSLSocketFactory");this.emailProperties.put("mail.smtp.socketFactory.fallback", "false");this.emailProperties.put("mail.smtp.socketFactory.port", "465");}private Properties emailProperties;private String smtp;private int port = 25;private String fromAddress;private boolean auth = true;private String password;private boolean debug = false;public boolean isDebug() {return debug;}public void setDebug(boolean debug) {this.debug = debug;}public Properties getEmailProperties() {return emailProperties;}public void setEmailProperties(Properties emailProperties) {this.emailProperties = emailProperties;}public String getSmtp() {return smtp;}public void setSmtp(String smtp) {this.smtp = smtp;this.emailProperties.setProperty("mail.smtp.host", this.smtp);}public int getPort() {return port;}public void setPort(int port) {this.port = port;this.emailProperties.setProperty("mail.smtp.port", String.valueOf(this.port));}public String getFromAddress() {return fromAddress;}public void setFromAddress(String fromAddress) {this.fromAddress = fromAddress;}public boolean isAuth() {return auth;}public void setAuth(boolean auth) {this.auth = auth;this.emailProperties.setProperty("mail.smtp.auth", String.valueOf(this.auth));}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;this.emailProperties.setProperty("", this.password);}}?