做一个发送邮件功能,做个记录
首先要用到两个 jar 包,
如果用的是mavan,可以用下面的包配置
<!--email-->
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.5</version>
</dependency>
<dependency>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
<version>1</version>
</dependency>
现在开始写java 代码部分
import java.security.AccessController; import java.security.Provider; /** * Created by songzhan on 14-10-27. */ public class JSSEProvider extends Provider { private static final long serialVersionUID = 1L; public JSSEProvider() { super("HarmonyJSSE", 1.0, "Harmony JSSE Provider"); AccessController.doPrivileged(new java.security.PrivilegedAction<Void>() { public Void run() { put("SSLContext.TLS", "org.apache.harmony.xnet.provider.jsse.SSLContextImpl"); put("Alg.Alias.SSLContext.TLSv1", "TLS"); put("KeyManagerFactory.X509", "org.apache.harmony.xnet.provider.jsse.KeyManagerFactoryImpl"); put("TrustManagerFactory.X509", "org.apache.harmony.xnet.provider.jsse.TrustManagerFactoryImpl"); return null; } }); } }
import javax.activation.DataHandler; import javax.activation.DataSource; import javax.mail.Message; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.security.Security; import java.util.Properties; /** * Created by songzhan on 14-10-27. */ public class GMailSender extends javax.mail.Authenticator { private String user; private String password; private Session session; static { Security.addProvider(new JSSEProvider()); } public GMailSender(String user, String password) { this.user = user; this.password = password; Properties props = new Properties(); props.setProperty("mail.transport.protocol", "smtp"); props.setProperty("mail.host", EmailConstant.HOST); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.port", "465"); props.put("mail.smtp.socketFactory.port", "465"); props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory"); props.put("mail.smtp.socketFactory.fallback", "false"); props.setProperty("mail.smtp.quitwait", "false"); session = Session.getDefaultInstance(props, this); } protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(user, password); } /** * 发送邮件 * * @param subject 标题 * @param body 内容 * @param sender 发件人 * @param recipients 收件人地址 * @throws Exception */ public synchronized void sendMail(String subject, String body, String sender, String recipients) throws Exception { try { MimeMessage message = new MimeMessage(session); DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/html;charset = utf-8")); message.setSender(new InternetAddress(sender)); message.setSubject(subject); message.setDataHandler(handler); if (recipients.indexOf(',') > 0) message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients)); else message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients)); Transport.send(message); } catch (Exception e) { } } public class ByteArrayDataSource implements DataSource { private byte[] data; private String type; public ByteArrayDataSource(byte[] data, String type) { super(); this.data = data; this.type = type; } public ByteArrayDataSource(byte[] data) { super(); this.data = data; } public void setType(String type) { this.type = type; } public String getContentType() { if (type == null) return "application/octet-stream"; else return type; } public InputStream getInputStream() throws IOException { return new ByteArrayInputStream(data); } public String getName() { return "ByteArrayDataSource"; } public OutputStream getOutputStream() throws IOException { throw new IOException("Not Supported"); } } }
/** * Created by songzhan on 14-10-27. */ public class SendEmailTask { protected String doInBackground(String... params) { try { GMailSender sender = new GMailSender(EmailConstant.EMAIL, EmailConstant.PASSWORD); sender.sendMail("这是我测试的一封邮件标题" , "这是我发测试的一封邮件内容" , EmailConstant.EMAIL , "xxxx@qq.com"); } catch (Exception e) { e.printStackTrace(); } return ""; } public static void main(String[] args) { SendEmailTask sendEmailTask = new SendEmailTask(); sendEmailTask.doInBackground(""); } }
经过测试,发送成功。
内容格式 可以 设置,可以发html格式,还有文本格式。
text/html;charset = utf-8
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