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java实现邮件发送(带附件)

2016-03-14 17:18 609 查看
JAVA实现发送邮件，可以同时发送附件，支持主流的邮件服务商比如163,126等，需要注意要开启smtp服务（网易的貌似需要绑定手机号才能开通）。邮件内容如果是HTML文本，则自动会转为网页哦！
</pre><pre name="code" class="java">EmailUtils2.java
package com.xxxxx.xxxxx;  //自己把包名改成你项目的

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.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.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;

/**
* 发送邮件工具类
*
* @author DingJiaCheng
* */
public class EmailUtils2 {
private MimeMessage message;
private Session session;
private Transport transport;

private String mailHost = "";
private String sender_username = "";
private String sender_password = "";

private Properties properties = new Properties();

/**
* 发送邮件
*
* @param subject		邮件主题
* @param sendHtml  	邮件内容
* @param receiveUser	收件人地址
* @param attachment 	附件
* @return boolean		发送邮件请求的状态，true为请求成功，否则请求失败
*/
public static boolean send(String subject, String text,
String receiver, File file) {
EmailUtils2 eu = new EmailUtils2(true);
boolean b = eu.doSendHtmlEmail(subject, text, receiver, file);
return b;
}

/*
* 初始化方法
*/
public EmailUtils2(boolean debug) {
InputStream in = EmailUtils2.class
.getResourceAsStream("MailServer.properties");
try {
properties.load(in);
this.mailHost = properties.getProperty("mail.smtp.host");
this.sender_username = properties
.getProperty("mail.sender.username");
this.sender_password = properties
.getProperty("mail.sender.password");

//设置SSL连接
properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
properties.setProperty("mail.smtp.port", "465");
properties.setProperty("mail.smtp.socketFactory.port", "465");

} catch (IOException e) {
}

session = Session.getInstance(properties);
session.setDebug(debug);// 开启后有调试信息
message = new MimeMessage(session);
}

public boolean doSendHtmlEmail(String subject, String sendHtml,
String receiveUser, File attachment) {

boolean sendstate = true;   //请求发送状态
try {
// 发件人
InternetAddress from = new InternetAddress(sender_username);
message.setFrom(from);
// 收件人
InternetAddress to = new InternetAddress(receiveUser);
message.setRecipient(Message.RecipientType.TO, to);
// 邮件主题
message.setSubject(subject);
// 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(sendHtml, "text/html;charset=UTF-8");
multipart.addBodyPart(contentPart);
// 添加附件的内容
if (attachment != null) {
BodyPart attachmentBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(attachment);
attachmentBodyPart.setDataHandler(new DataHandler(source));
// MimeUtility.encodeWord可以避免文件名乱码
attachmentBodyPart.setFileName(MimeUtility
.encodeWord(attachment.getName()));
multipart.addBodyPart(attachmentBodyPart);
}

// 将multipart对象放到message中
message.setContent(multipart);
// 保存邮件
message.saveChanges();
transport = session.getTransport("smtp");
// smtp验证，就是你用来发邮件的邮箱用户名密码
transport.connect(mailHost, sender_username, sender_password);
// 发送
transport.sendMessage(message, message.getAllRecipients());
} catch (Exception e) {
sendstate = false;
} finally {
if (transport != null) {
try {
transport.close();
} catch (MessagingException e) {
sendstate = false;
}
}
}
return sendstate;
}

public static void main(String[] args) {
String html = "<html><body><h1>哈哈哈</h1><h2>哈哈哈</h2>" +
"<h3>哈哈哈</h3><h4>哈哈哈</h4>" +
"<h5>哈哈哈</h5><h6>哈哈哈</h6>" +
"</body>" +
"</html>";
File file = new File("//192.168.0.14/movies/审计记录.xls");
System.out.println(EmailUtils2.send("xx科技邮件", html, "12345678@qq.com", file));
}
}
</pre><pre name="code" class="java">
MailServer.properties
#author DingJiaCheng#smtp server addressmail.smtp.host=smtp.126.commail.smtp.auth=truemail.sender.username=12345678@126.commail.sender.password=************MailServer.properties

                                            

                                        

                        
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                         标签： 
                                                java
                                                smtp
                                                邮件
                                                网易
                                                

                        

                    


                

            


            

                
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