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程序入口:
Test_Email_N.java
importjava.io.IOException;importjava.util.Date;importjava.util.Properties;importjavax.mail.Authenticator;importjavax.mail.BodyPart;importjavax.mail.Message;importjavax.mail.MessagingException;importjavax.mail.Multipart;importjavax.mail.Transport;importjavax.mail.internet.AddressException;importjavax.mail.internet.InternetAddress;importjavax.mail.internet.MimeBodyPart;importjavax.mail.internet.MimeMessage;importjavax.mail.internet.MimeMultipart;public classTest_Email_N {public static voidmain(String args[]){try{
send_email();
}catch(Exception e) {
e.printStackTrace();
}
}public static void send_email() throwsIOException, AddressException, MessagingException{
String to= "1215186706@qq";
String subject= "subject";
String content= "content";
Properties properties= newProperties();
properties.put("mail.smtp.host", "smtp.qq");
properties.put("mail.smtp.port", "25");
properties.put("mail.smtp.auth", "true");
Authenticator authenticator= new Email_Authenticator("1215186706@qq", "password");
javax.mail.Session sendMailSession=javax.mail.Session.getDefaultInstance(properties, authenticator);
MimeMessage mailMessage= newMimeMessage(sendMailSession);
mailMessage.setFrom(new InternetAddress("1215186706@qq"));//Message.RecipientType.TO属性表示接收者的类型为TO
mailMessage.setRecipient(Message.RecipientType.TO, newInternetAddress(to));
mailMessage.setSubject(subject,"UTF-8");
mailMessage.setSentDate(newDate());//MiniMultipart类是一个容器类,包含MimeBodyPart类型的对象
Multipart mainPart = newMimeMultipart();//创建一个包含HTML内容的MimeBodyPart
BodyPart html = newMimeBodyPart();
html.setContent(content.trim(),"text/html; charset=utf-8");
mainPart.addBodyPart(html);
mailMessage.setContent(mainPart);
Transport.send(mailMessage);
}
}
其中依赖的jar包为javax.mail,我这里是maven管理的,直接用maven去下载jar包,也可以到https://java/projects/javamail/pages/Home直接下载jar包.
javax.mail
1.5.0-b01
Email_Authenticator.java,这里继承了Authenticator 类,用来封装name,和password的:
packagecom.infomorrow.webtest.JuxinliTest.restdetect;importjavax.mail.Authenticator;importjavax.mail.PasswordAuthentication;public class Email_Authenticator extendsAuthenticator {
String userName= null;
String password= null;publicEmail_Authenticator() {
}publicEmail_Authenticator(String username, String password) {this.userName =username;this.password =password;
}protectedPasswordAuthentication getPasswordAuthentication() {return newPasswordAuthentication(userName, password);
}
}
配置就这么多,把邮箱密码改成自己的就可以了,否则会报错。程序到这就可以运行了!
/*****************************************************************/
下面介绍的是配置properties文件来管理账号密码:
如下图,新建一个email.propertis文件。
email.propertis:
mail.smtp.host=smtp.qq
mail.smtp.port=25username=1215186706@qq
password=password
Test_Email.java 代码改为如下:
packagecom.infomorrow.webtest.JuxinliTest.restdetect;importjava.io.IOException;importjava.io.InputStream;importjava.util.Date;importjava.util.Properties;importjavax.mail.Authenticator;importjavax.mail.BodyPart;importjavax.mail.Message;importjavax.mail.MessagingException;importjavax.mail.Multipart;importjavax.mail.Transport;importjavax.mail.internet.AddressException;importjavax.mail.internet.InternetAddress;importjavax.mail.internet.MimeBodyPart;importjavax.mail.internet.MimeMessage;importjavax.mail.internet.MimeMultipart;public classTest_Email {
public static void main(String args[]){
try{
send_email();
}catch(Exception e) {
e.printStackTrace();
}
}public static void send_email() throwsIOException, AddressException, MessagingException{
String to= "1215186706@qq";
String subject= "subject";//邮件主题
String content= "content";//邮件内容
Properties properties= newProperties();
InputStream resourceAsStream= null;try{
resourceAsStream= Object.class.getResourceAsStream("/email.properties");
properties.load(resourceAsStream);
}finally{if (resourceAsStream!=null) {
resourceAsStream.close();
}
}
System.err.println("properties:"+properties);
properties.put("mail.smtp.host", properties.get("mail.smtp.host"));
properties.put("mail.smtp.port", properties.get("mail.smtp.port"));
properties.put("mail.smtp.auth", "true");
Authenticator authenticator= new Email_Authenticator(properties.get("username").toString(), properties.get("password").toString());
javax.mail.Session sendMailSession=javax.mail.Session.getDefaultInstance(properties, authenticator);
MimeMessage mailMessage= newMimeMessage(sendMailSession);
mailMessage.setFrom(new InternetAddress(properties.get("username").toString()));//Message.RecipientType.TO属性表示接收者的类型为TO
mailMessage.setRecipient(Message.RecipientType.TO, newInternetAddress(to));
mailMessage.setSubject(subject,"UTF-8");
mailMessage.setSentDate(newDate());//MiniMultipart类是一个容器类,包含MimeBodyPart类型的对象
Multipart mainPart = newMimeMultipart();//创建一个包含HTML内容的MimeBodyPart
BodyPart html = newMimeBodyPart();
html.setContent(content.trim(),"text/html; charset=utf-8");
mainPart.addBodyPart(html);
mailMessage.setContent(mainPart);
Transport.send(mailMessage);
}
}
ok,到此为止。
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