邮件发送工具类

package com.ujiuy.utils;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.*;

import javax.mail.internet.*;

import java.io.File;

import java.util.Properties;

public class MailUtils {

private static String smtp_host = "smtp.126.com";

private static String username = "zhaojing1144@126.com";

private static String password = "qaz123";

/*

* 参数一：收件人的邮箱地址

* 参数二：邮件标题

* 参数三：邮件内容

*/

//发送简单邮件

public static void sendSimpleMail(String to, String subject, String msg) {

Properties props = new Properties();

props.setProperty("mail.host", smtp_host);

props.setProperty("mail.transport.protocol", "smtp");

props.setProperty("mail.smtp.auth", "true");

// 创建验证器

        Authenticator auth = new Authenticator() {

            public PasswordAuthentication getPasswordAuthentication() {

                // 密码验证

                return new PasswordAuthentication("zhaojing,写自己的" "qaz1.写自己的");// 邮箱的授权码

            }

        };

try {

// 1.创建会话

Session session = Session.getInstance(props,auth);

// 开启Session的debug模式，这样就可以查看到程序发送Email的运行状态

session.setDebug(true);

// 2.获取传输对象

Transport transport = session.getTransport();

// 3.设置连接

transport.connect("smtp.126.com", username, password);

// 4.创建邮件

Message message = new MimeMessage(session);

message.setFrom(new InternetAddress(username));//发送人

message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));//接收人

message.setSubject(subject);//标题

message.setContent(msg, "text/html;charset=utf-8");//内容

// 5.发送邮件

transport.sendMessage(message, message.getAllRecipients());

} catch (Exception e) {

e.printStackTrace();

throw new RuntimeException("邮件发送失败");

}

}

//发送带有附件的邮件

public static void sendAttachmentMail(String to, String subject, String msg, File file) {

Properties props = new Properties();

props.setProperty("mail.host", smtp_host);

props.setProperty("mail.transport.protocol", "smtp");

props.setProperty("mail.smtp.auth", "true");

// 创建验证器

        Authenticator auth = new Authenticator() {

            public PasswordAuthentication getPasswordAuthentication() {

                // 密码验证

                return new PasswordAuthentication("zhaojin写自己的", "qaz写自己的");// 邮箱的授权码

            }

        };

try {

// 1.创建会话

Session session = Session.getInstance(props,auth);

// 开启Session的debug模式，这样就可以查看到程序发送Email的运行状态

session.setDebug(true);

// 2.获取传输对象

Transport transport = session.getTransport();

// 3.设置连接

transport.connect("smtp.126.com", username, password);

// 4.创建邮件

// 邮件头

Message message = new MimeMessage(session);

message.setFrom(new InternetAddress(username));

message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));

//message.addRecipients(MimeMessage.RecipientType.CC, InternetAddress.parse(username));

message.setSubject(subject);

// 邮件体（发送的字符串内容+附件）

Multipart multipart = new MimeMultipart();

// 信息（发送的字符串内容）

BodyPart content = new MimeBodyPart();

content.setContent(msg, "text/html;charset=utf-8");

// 添加信息

multipart.addBodyPart(content);

// 附件

BodyPart attachment = new MimeBodyPart();

//附件对象----->路径------>附件转换为DataSource源------>DataSource源封装到附件对象中

String filePath = file.getPath();

FileDataSource fileDataSource = new FileDataSource(filePath);

attachment.setDataHandler(new DataHandler(fileDataSource));

//设置接收到 的附件名

String filename = fileDataSource.getName();

attachment.setFileName(MimeUtility.encodeText(filename));

// 添加附件

multipart.addBodyPart(attachment);

// 5.发送邮件

message.setContent(multipart);

transport.sendMessage(message, message.getAllRecipients());

} catch (Exception e) {

e.printStackTrace();

throw new RuntimeException("邮件发送失败");

}

}

/*public static void main(String[] args) {

//sendSimpleMail("1596994348@qq.com", "测试邮件", "Hello World");

String path = "e:\arcs\arc.doc";

File file = new File(path);

sendAttachmentMail("2572482562@qq.com", "测试邮件", "oa文档", file);

}*/

}

package com.ujiuy.utils;
import javax.activation.DataHandler;import javax.activation.FileDataSource;import javax.mail.*;import javax.mail.internet.*;import java.io.File;import java.util.Properties;
public class MailUtils {private static String smtp_host = "smtp.126.com";private static String username = "zhaojing1144@126.com";private static String password = "qaz123";
/* * 参数一：收件人的邮箱地址 * 参数二：邮件标题 * 参数三：邮件内容 *///发送简单邮件public static void sendSimpleMail(String to, String subject, String msg) {Properties props = new Properties();props.setProperty("mail.host", smtp_host);props.setProperty("mail.transport.protocol", "smtp");props.setProperty("mail.smtp.auth", "true");// 创建验证器        Authenticator auth = new Authenticator() {            public PasswordAuthentication getPasswordAuthentication() {                // 密码验证                return new PasswordAuthentication("zhaojing1144", "qaz1234");// 邮箱的授权码            }        };try {// 1.创建会话Session session = Session.getInstance(props,auth);// 开启Session的debug模式，这样就可以查看到程序发送Email的运行状态session.setDebug(true);// 2.获取传输对象Transport transport = session.getTransport();// 3.设置连接transport.connect("smtp.126.com", username, password);// 4.创建邮件Message message = new MimeMessage(session);message.setFrom(new InternetAddress(username));//发送人message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));//接收人message.setSubject(subject);//标题message.setContent(msg, "text/html;charset=utf-8");//内容// 5.发送邮件transport.sendMessage(message, message.getAllRecipients());} catch (Exception e) {e.printStackTrace();throw new RuntimeException("邮件发送失败");}}
//发送带有附件的邮件public static void sendAttachmentMail(String to, String subject, String msg, File file) {Properties props = new Properties();props.setProperty("mail.host", smtp_host);props.setProperty("mail.transport.protocol", "smtp");props.setProperty("mail.smtp.auth", "true");// 创建验证器        Authenticator auth = new Authenticator() {            public PasswordAuthentication getPasswordAuthentication() {                // 密码验证                return new PasswordAuthentication("zhaojing1144", "qaz1234");// 邮箱的授权码            }        };try {// 1.创建会话Session session = Session.getInstance(props,auth);// 开启Session的debug模式，这样就可以查看到程序发送Email的运行状态session.setDebug(true);// 2.获取传输对象Transport transport = session.getTransport();// 3.设置连接transport.connect("smtp.126.com", username, password);// 4.创建邮件// 邮件头Message message = new MimeMessage(session);message.setFrom(new InternetAddress(username));message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));//message.addRecipients(MimeMessage.RecipientType.CC, InternetAddress.parse(username));message.setSubject(subject);// 邮件体（发送的字符串内容+附件）Multipart multipart = new MimeMultipart();// 信息（发送的字符串内容）BodyPart content = new MimeBodyPart();content.setContent(msg, "text/html;charset=utf-8");// 添加信息multipart.addBodyPart(content);// 附件BodyPart attachment = new MimeBodyPart();//附件对象----->路径------>附件转换为DataSource源------>DataSource源封装到附件对象中String filePath = file.getPath();FileDataSource fileDataSource = new FileDataSource(filePath);attachment.setDataHandler(new DataHandler(fileDataSource));//设置接收到 的附件名String filename = fileDataSource.getName();attachment.setFileName(MimeUtility.encodeText(filename));// 添加附件multipart.addBodyPart(attachment);// 5.发送邮件message.setContent(multipart);transport.sendMessage(message, message.getAllRecipients());} catch (Exception e) {e.printStackTrace();throw new RuntimeException("邮件发送失败");}}
/*public static void main(String[] args) {//sendSimpleMail("1596994348@qq.com", "测试邮件", "Hello World");String path = "e:\arcs\arc.doc";File file = new File(path);sendAttachmentMail("2572482562@qq.com", "测试邮件", "oa文档", file);}*/
}