java邮件发送问题

一下，我结合网上的例子，写的发送邮件的代码

邮件验证类

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

/**
*
* ClassName: MyAuthenticator
* @Description: 邮箱验证类，重写PasswordAuthentication方法
* @author
* @date 2015-10-13
*/
public class MyAuthenticator extends Authenticator{
private String userName;
private String password;

public String getUserName() {
  return userName;
}

public void setUserName(String userName) {
  this.userName = userName;
}

public String getPassword() {
  return password;
}

public void setPassword(String password) {
  this.password = password;
}
//重写
protected PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(userName, password);
    }


}

2.class根目录下的配置文件email.propertis

mail.smtp.host=smtp.qq.com
mail.smtp.port=25
userName=*****@qq.com
password=******
mail.smtp.auth=true

邮件发送类

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
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;
import javax.mail.internet.MimeUtility;

import org.junit.Test;


/**
* 
* ClassName: SendMail 
* @Description: 邮箱发送类
* @author 
* @date 2015-10-13
*/
public class SendMail {
@Test
public void sendMail() throws IOException{
//接收者 的邮箱地址
String to = "*****@qq.com";
//邮件主题
String subject = "test";
//邮件内容
String content = "www.baidu.com";
//发送的附件
File sendFile = new File("f://345.txt");
//邮箱验证
MyAuthenticator authenticator = null;
//读取配置文件
Properties properties = new Properties();
//根据class获取配置文件的位置
InputStream in = null;
try {
in = Object.class.getResourceAsStream("/email.propertis");
properties.load(in);

authenticator = new MyAuthenticator();
authenticator.setUserName(properties.getProperty("userName"));
authenticator.setPassword(properties.getProperty("password"));

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
if(in!=null){
in.close();
}
}

// 根据邮件会话属性和密码验证器构造一个发送邮件的session  
  Session sendMailSession = Session  
                .getDefaultInstance(properties, authenticator);

        // 根据session创建一个邮件消息  
        Message mailMessage = new MimeMessage(sendMailSession);  

        // 创建邮件发送者地址  
        Address from;
        Address toUser;
try {
from = new InternetAddress(properties.getProperty("userName"));
//输入发送者邮箱地址
        mailMessage.setFrom(from);
        
        // 创建邮件的接收者地址，并设置到邮件消息中  
            toUser = new InternetAddress(to);  
            mailMessage.setRecipient(Message.RecipientType.TO, toUser);
            
            //设置邮件消息的主题  
            mailMessage.setSubject(subject);
            //设置内容
            //mailMessage.setText(content);
            
            // 向multipart对象中添加邮件的各个部分内容，包括文本内容和附件
            Multipart multipart = new MimeMultipart();
            // 添加邮件正文
            BodyPart contentPart = new MimeBodyPart();
            contentPart.setContent(content, "text/html;charset=UTF-8");
            multipart.addBodyPart(contentPart);
            
            // 添加附件的内容
            BodyPart attachmentBodyPart = new MimeBodyPart();
            DataSource source = new FileDataSource(sendFile);
            attachmentBodyPart.setDataHandler(new DataHandler(source));
                
            //MimeUtility.encodeWord可以避免文件名乱码
            attachmentBodyPart.setFileName(MimeUtility.encodeWord(sendFile.getName()));
            multipart.addBodyPart(attachmentBodyPart);
            
            // 将multipart对象放到message中
            mailMessage.setContent(multipart);
            // 保存邮件
            mailMessage.saveChanges();
            
            
            //发送邮件
            Transport.send(mailMessage);
} catch (AddressException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MessagingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} 
       
}

}

好了，邮箱发送就ok了

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