java mail使用qq邮箱发邮件的配置方法
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java mail使用qq邮箱发邮件的配置方法
程序入口:
Test_Email_N.java
import java.io.IOException;
import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
public class Test_Email_N {
public static void main(String args[]){
try {
send_email();
}catch (Exception e) {
e.printStackTrace();
}
}
public static void send_email() throws IOException, AddressException, MessagingException{
String to = "1219999@qq.com";
String subject = "subject";
String content = "content";
Properties properties = new Properties();
properties.put("mail.smtp.host", "smtp.qq.com");
properties.put("mail.smtp.port", "25");
properties.put("mail.smtp.auth", "true");
Authenticator authenticator = new Email_Authenticator("1219999@qq.com", "password");
javax.mail.Session sendMailSession = javax.mail.Session.getDefaultInstance(properties, authenticator);
MimeMessage mailMessage = new MimeMessage(sendMailSession);
mailMessage.setFrom(new InternetAddress("1219999@qq.com"));
// Message.RecipientType.TO属性表示接收者的类型为TO
mailMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
mailMessage.setSubject(subject, "UTF-8");
mailMessage.setSentDate(new Date());
// MiniMultipart类是一个容器类,包含MimeBodyPart类型的对象
Multipart mainPart = new MimeMultipart();
// 创建一个包含HTML内容的MimeBodyPart
BodyPart html = new MimeBodyPart();
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.net/projects/javamail/pages/Home直接下载jar包.
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.5.0-b01</version>
</dependency>
Email_Authenticator.java,这里继承了Authenticator 类,用来封装name,和password的:
package com.infomorrow.webtest.JuxinliTest.restdetect;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
public class Email_Authenticator extends Authenticator {
String userName = null;
String password = null;
public Email_Authenticator() {
}
public Email_Authenticator(String username, String password) {
this.userName = username;
this.password = password;
}
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(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:
新建一个email.propertis文件。
email.propertis:
mail.smtp.host=smtp.qq.com
mail.smtp.port=25
username=1219999@qq.com
password=password
Test_Email.java 代码改为如下:
package com.infomorrow.webtest.JuxinliTest.restdetect;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
public class Test_Email {
public static void main(String args[]){
try {
send_email();
}catch (Exception e) {
e.printStackTrace();
}
}
public static void send_email() throws IOException, AddressException, MessagingException{
String to = "1215186706@qq.com";
String subject = "subject";//邮件主题
String content = "content";//邮件内容
Properties properties = new Properties();
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 = new MimeMessage(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, new InternetAddress(to));
mailMessage.setSubject(subject, "UTF-8");
mailMessage.setSentDate(new Date());
// MiniMultipart类是一个容器类,包含MimeBodyPart类型的对象
Multipart mainPart = new MimeMultipart();
// 创建一个包含HTML内容的MimeBodyPart
BodyPart html = new MimeBodyPart();
html.setContent(content.trim(), "text/html; charset=utf-8");
mainPart.addBodyPart(html);
mailMessage.setContent(mainPart);
Transport.send(mailMessage);
}
}
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