[英]Sending email using java app
為什么此代碼無法發送電子郵件? 沒有錯誤,只是沒有發送。
package tips.mails;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class SendMail {
private String from;
private String to;
private String subject;
private String text;
public SendMail(String from, String to, String subject, String text){
this.from = from;
this.to = to;
this.subject = subject;
this.text = text;
}
public void send(){
Properties props = new Properties();
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "465");
Session mailSession = Session.getDefaultInstance(props);
Message simpleMessage = new MimeMessage(mailSession);
InternetAddress fromAddress = null;
InternetAddress toAddress = null;
try {
fromAddress = new InternetAddress(from);
toAddress = new InternetAddress(to);
} catch (AddressException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
simpleMessage.setFrom(fromAddress);
simpleMessage.setRecipient(RecipientType.TO, toAddress);
simpleMessage.setSubject(subject);
simpleMessage.setText(text);
Transport.send(simpleMessage);
} catch (MessagingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String args[])
{
new SendMail("source", "dist","Subject", "Test Message!!!");
}
}
您實例化一個SendMail
對象,而對其不執行任何操作。 也許您還應該執行send()
方法。
您忘了打電話給發送。 嘗試這個
new SendMail("source", "dist","Subject", "Test Message!!!").send();
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