本篇文章全部是代码，可以直接复制使用。
MailSenderInfo：
package com.wswhr.LoginServer.util.mail;
import java.util.Properties;
public class MailSenderInfo {
// 发送邮件的服务器的IP和端口
private String mailServerHost;
private String mailServerPort = "25";
// 邮件发送者的地址
private String fromAddress;
private String fromAddressShow;
public String getFromAddressShow() {
return fromAddressShow;
}
public void setFromAddressShow(String fromAddressShow) {
this.fromAddressShow = fromAddressShow;
}
// 邮件接收者的地址
private String toAddress;
// 登陆邮件发送服务器的用户名和密码
private String userName;
private String password;
// 是否需要身份验证
private boolean validate = false;
// 邮件主题
private String subject;
// 邮件的文本内容
private String content;
// 邮件附件的文件名
private String[] attachFileNames;
/** *//**
* 获得邮件会话属性
*/
public Properties getProperties(){
Properties p = new Properties();
p.put("mail.smtp.host", this.mailServerHost);
p.put("mail.smtp.port", this.mailServerPort);
p.put("mail.smtp.auth", validate ? "true" : "false");
return p;
}
public String getMailServerHost() {
return mailServerHost;
}
public void setMailServerHost(String mailServerHost) {
this.mailServerHost = mailServerHost;
}
public String getMailServerPort() {
return mailServerPort;
}
public void setMailServerPort(String mailServerPort) {
this.mailServerPort = mailServerPort;
}
public boolean isValidate() {
return validate;
}
public void setValidate(boolean validate) {
this.validate = validate;
}
public String[] getAttachFileNames() {
return attachFileNames;
}
public void setAttachFileNames(String[] fileNames) {
this.attachFileNames = fileNames;
}
public String getFromAddress() {
return fromAddress;
}
public void setFromAddress(String fromAddress) {
this.fromAddress = fromAddress;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getToAddress() {
return toAddress;
}
public void setToAddress(String toAddress) {
this.toAddress = toAddress;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public String getContent() {
return content;
}
public void setContent(String textContent) {
this.content = textContent;
}
}
MailService：
package com.wswhr.LoginServer.util.mail;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.springframework.core.io.ClassPathResource;
import org.springframework.stereotype.Service;
import com.wswhr.LoginServer.util.mail.MailSenderInfo;
import com.wswhr.LoginServer.util.mail.SimpleMailSender;
@Service
public class MailService {
public boolean sendMail(String toAddres, String title, String content) {
try {
Map<String,String> mail = getServiceInfoByMainProperties("aliyun");
MailSenderInfo mailInfo = new MailSenderInfo();
mailInfo.setMailServerHost(mail.get("smtpaddress"));
mailInfo.setMailServerPort(mail.get("smtpport"));
mailInfo.setValidate(true);
mailInfo.setUserName(mail.get("username"));
mailInfo.setPassword(mail.get("password"));//您的邮箱密码
mailInfo.setFromAddress(mail.get("fromemail"));
mailInfo.setFromAddressShow("wswhr@wswhr.com");
mailInfo.setToAddress(toAddres);
mailInfo.setSubject(title);
mailInfo.setContent(content);
SimpleMailSender sms = new SimpleMailSender();
sms.sendTextMail(mailInfo);// 发送html格式
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
return true;
}
public boolean sendTextMail(String toAddres, String title, String content) {
try {
Map<String,String> mail = getServiceInfoByMainProperties("aliyun");
MailSenderInfo mailInfo = new MailSenderInfo();
mailInfo.setMailServerHost(mail.get("smtpaddress"));
mailInfo.setMailServerPort(mail.get("smtpport"));
mailInfo.setValidate(true);
mailInfo.setUserName(mail.get("username"));
mailInfo.setPassword(mail.get("password"));// 您的邮箱密码
mailInfo.setFromAddress(mail.get("fromemail"));
mailInfo.setFromAddressShow("wswhr@wswhr.com");
mailInfo.setToAddress(toAddres);
mailInfo.setSubject(title);
mailInfo.setContent(content);
SimpleMailSender sms = new SimpleMailSender();
sms.sendTextMail(mailInfo);// 发送html格式
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
return true;
}
private static Map<String,String> getServiceInfoByMainProperties(String mailType){
ClassPathResource cr = new ClassPathResource("mail.properties");// 会重新加载spring框架
Properties pros = new Properties();
Map<String,String> mailInfo = new HashMap<String,String>() ;
try {
pros.load(cr.getInputStream());
if(mailType.equals("aliyun")){
mailInfo.put("smtpaddress", pros.getProperty("aliyun.smtpaddress"));
mailInfo.put("smtpport", pros.getProperty("aliyun.smtpport"));
mailInfo.put("fromemail", pros.getProperty("aliyun.fromemail"));
mailInfo.put("username", pros.getProperty("aliyun.username"));
mailInfo.put("password", pros.getProperty("aliyun.password"));
}else if(mailType.equals("qq")){
mailInfo.put("smtpaddress", pros.getProperty("qq.smtpaddress"));
mailInfo.put("smtpport", pros.getProperty("qq.smtpport"));
mailInfo.put("fromemail", pros.getProperty("qq.fromemail"));
mailInfo.put("username", pros.getProperty("qq.username"));
mailInfo.put("password", pros.getProperty("qq.password"));
}
} catch (IOException e) {
e.printStackTrace();
}
return mailInfo;
}
}
MyAuthenticator：
package com.wswhr.LoginServer.util.mail;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
public class MyAuthenticator extends Authenticator{
String userName=null;
String password=null;
public MyAuthenticator(){
}
public MyAuthenticator(String username, String password) {
this.userName = username;
this.password = password;
}
protected PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication(userName, password);
}
}
SimpleMailSender：
package com.wswhr.LoginServer.util.mail;
import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.Properties;
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.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
public class SimpleMailSender {
/**
* 以文本格式发送邮件
* @param mailInfo 待发送的邮件的信息
*/
public boolean sendTextMail(MailSenderInfo mailInfo) {
// 判断是否需要身份认证
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
if (mailInfo.isValidate()) {
// 如果需要身份认证，则创建一个密码验证器
authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 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(pro,authenticator);
try {
// 根据session创建一个邮件消息
Message mailMessage = new MimeMessage(sendMailSession);
//设置中文发件人
String name = "";
name=javax.mail.internet.MimeUtility.encodeText("系统管理员");
// 创建邮件发送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 设置邮件消息的发送者
mailMessage.setFrom(new InternetAddress(name+" <"+from+">"));
//mailMessage.setFrom(from);
// 创建邮件的接收者地址，并设置到邮件消息中
Address to = new InternetAddress(mailInfo.getToAddress());
mailMessage.setRecipient(Message.RecipientType.TO,to);
// 设置邮件消息的主题
mailMessage.setSubject(mailInfo.getSubject());
// 设置邮件消息发送的时间
mailMessage.setSentDate(new Date());
// 设置邮件消息的主要内容
String mailContent = mailInfo.getContent();
mailMessage.setText(mailContent);
// 发送邮件
Transport.send(mailMessage);
return true;
} catch (MessagingException ex) {
ex.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return false;
}
/** *//**
* 以HTML格式发送邮件
* @param mailInfo 待发送的邮件信息
*/
public boolean sendHtmlMail(MailSenderInfo mailInfo){
// 判断是否需要身份认证
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
//如果需要身份认证，则创建一个密码验证器
if (mailInfo.isValidate()) {
authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 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(pro,authenticator);
try {
// 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 = null;
if(mailInfo.getFromAddressShow()!=null && !mailInfo.getFromAddressShow().equals("")){
try {
from = new InternetAddress(mailInfo.getFromAddress(),mailInfo.getFromAddressShow());
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}else{
from = new InternetAddress(mailInfo.getFromAddress());
}
// 设置邮件消息的发送者
mailMessage.setFrom(from);
// 创建邮件的接收者地址，并设置到邮件消息中
Address to = new InternetAddress(mailInfo.getToAddress());
// Message.RecipientType.TO属性表示接收者的类型为TO
mailMessage.setRecipient(Message.RecipientType.TO,to);
// 设置邮件消息的主题
mailMessage.setSubject(mailInfo.getSubject());
// 设置邮件消息发送的时间
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();
// 设置HTML内容
html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
mainPart.addBodyPart(html);
// 将MiniMultipart对象设置为邮件内容
mailMessage.setContent(mainPart);
// 发送邮件
Transport.send(mailMessage);
return true;
} catch (MessagingException ex) {
ex.printStackTrace();
}
return false;
}
}
Test：
package com.wswhr.LoginServer.util.mail;
public class Test {
public static void main(String[] args) {
MailService m = new MailService();
m.sendMail("1286238812@qq.com", "测试邮件发送", "发送成功");
// 这个类主要是设置邮件
// MailSenderInfo mailInfo = new MailSenderInfo();
//
// mailInfo.setMailServerHost("smtp.wswhr.com");
// mailInfo.setMailServerPort("25");
// mailInfo.setValidate(true);
//
// mailInfo.setUserName("wswhr@wswhr.com");
// mailInfo.setPassword(" ");// 您的邮箱密码
//
// mailInfo.setFromAddress("wswhr@wswhr.com");
// mailInfo.setToAddress("1286238812@qq.com");
// mailInfo.setSubject("test111");
// mailInfo.setContent("德玛西亚666");
// // 这个类主要来发送邮件
// SimpleMailSender sms = new SimpleMailSender();
// sms.sendTextMail(mailInfo);// 发送文体格式
// sms.sendHtmlMail(mailInfo);// 发送html格式
}
}
mail.properties:
# wswhr@wswhr.com 1286238812@qq.com # 如果用阿里企业邮箱，则，邮箱地址是，smtp.mxhichina.com / 或者 自己的邮箱地址，比如我的域名是wswhr.com ,则邮箱地址是，smtp.wswhr.com # 腾讯的邮箱 smtp.qq.com # 阿里云邮箱配置 aliyun.smtpaddress=smtp.mxhichina.com aliyun.smtpport=25 aliyun.fromemail=hr@wswhr.com # 用户名 aliyun.username=hr@wswhr.com # 密码 aliyun.password=最后的密码，是你的邮箱登录密码。