import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class EmailUtils {
/**
11 * 發(fā)送郵件
12 * @param to 給誰(shuí)發(fā)
13 * @param text 發(fā)送內(nèi)容
14 */
public static void send_mail(String to,String text) throws MessagingException {
//創(chuàng)建連接對(duì)象 連接到郵件服務(wù)器
Properties properties = new Properties();
//設(shè)置發(fā)送郵件的基本參數(shù)
//發(fā)送郵件服務(wù)器 根據(jù)發(fā)送郵箱的服務(wù)器編寫(xiě)
properties.put(“mail.smtp.host”, “smtp.163.com”);
//發(fā)送端口
properties.put(“mail.smtp.port”, “25”);
properties.put(“mail.smtp.auth”, “true”);
//設(shè)置發(fā)送郵件的賬號(hào)和密碼
Session session = Session.getInstance(properties, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
//兩個(gè)參數(shù)分別是發(fā)送郵件的賬戶和密碼
return new PasswordAuthentication(“發(fā)件人的郵箱”,”發(fā)件人的郵箱密碼”);
}
});
//創(chuàng)建郵件對(duì)象
Message message = new MimeMessage(session);
//設(shè)置發(fā)件人
message.setFrom(new InternetAddress(“發(fā)件人的郵箱”));
//設(shè)置收件人
message.setRecipient(Message.RecipientType.TO,new InternetAddress(to));
//設(shè)置主題
message.setSubject(“發(fā)送主題”);
//設(shè)置郵件正文 第二個(gè)參數(shù)是郵件發(fā)送的類型
message.setContent(text,”text/html;charset=UTF-8″);
//發(fā)送一封郵件
Transport.send(message);
}
}
驗(yàn)證碼工具類
public class RandomUtils {
public String getRandom() {
String[] beforeShuffle = new String[] { “1”, “2”, “3”, “4”, “5”, “6”,
“7”, “8”, “9”, “0”};
List list = Arrays.asList(beforeShuffle);
Collections.shuffle(list);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < list.size(); i ) {
sb.append(list.get(i));
}
String afterShuffle = sb.toString();
String result = afterShuffle.substring(5, 9);
System.out .print(result) ;
return result;
}
}
測(cè)試:
發(fā)件人的郵箱
import java.util.Random;
import javax.mail.MessagingException;
import com.cblue.email.utils.EmailUtils;
import com.cblue.email.utils.RandomUtils;
/**
* 測(cè)試
* @author lenovo
*
*/
public class EmailTest {
public static void main(String[] args) {
//創(chuàng)建的隨機(jī)數(shù)的工具類,生成驗(yàn)證碼
RandomUtils randomUtils = new RandomUtils();
String random = randomUtils.getRandom();
try {
EmailUtils.send_mail(“收件人郵箱”, “用戶您好您的驗(yàn)證碼為:” random);
System.out.println(“郵件發(fā)送成功!”);
} catch (MessagingException e) {
e.printStackTrace();
}
}
}
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