java發送郵件
導入jar
先下載 mail.jar,並將mail.jar添加到classpath即可。如果你使用的是JAVA EE SDK,則可以在C:\glassfishv3\glassfish\modules\mail.jar找到所需的jar包,同樣需要添加的classpath。
郵件實體類
創建一個繼承MailSenderInfo.java 記錄發送郵件所需的各種信息,如發送郵件服務器的地址、端口號、發件人郵箱、收件人郵箱等等。代碼如下:
import java.util.Properties;
public class MailSendInfo {
// 發送郵件的服務器的IP(或主機地址)
private String mailServerHost;
// 發送郵件的服務器的端口
private String mailServerPort = "25";
// 發件人郵箱地址
private String fromAddress;
// 收件人郵箱地址
private String toAddress;
// 登陸郵件發送服務器的用戶名
private String userName;
// 登陸郵件發送服務器的密碼
private String password;
// 是否需要身份驗證
private boolean validate = false;
// 郵件主題
private String subject;
// 郵件的文本內容
private String content;
// 郵件附件的文件名
private String[] attachFileNames;
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;
}
}
郵箱登錄類
MyAuthenticator.java,郵箱用戶名和密碼認證器。代碼如下:
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
public class MyAuthenticator extends Authenticator{
private String userName;//用戶名
private String password;//密碼
public MyAuthenticator() {
}
public MyAuthenticator(String userName,String password){
this.userName = userName;
this.password = password;
}
/** 用作登錄校驗的,以確保你對該郵箱有發送郵件的權利*/
@Override
protected PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication(userName, password);
}
}
發送郵件類
SimpleMailSender.java,用來發送郵件類。代碼如下:
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 {
public boolean sendTextMail(MailSendInfo mailInfo) {
// 判斷是否需要身份認證
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
if (mailInfo.isValidate()) {
// 如果需要身份認證,則創建一個密碼驗證器
authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 根據郵件會話屬性和密碼驗證器構造一個發送郵件的session
Session sendMailSession = Session.getDefaultInstance(pro, authenticator);
try {
// 根據session創建一個郵件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 創建郵件發送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 設置郵件消息的發送者
mailMessage.setFrom(from);
// 創建郵件的接收者地址,並設置到郵件消息中
Address to = new InternetAddress(mailInfo.getToAddress());
mailMessage.setRecipient(Message.RecipientType.TO, to);
// 設置郵件消息的主題
mailMessage.setSubject(mailInfo.getSubject());
// 設置郵件消息發送的時間
mailMessage.setSentDate(new Date());
// 設置郵件消息的主要內容
String mailContent = mailInfo.getContent();
mailMessage.setText(mailContent);
// 發送郵件
Transport.send(mailMessage);
return true;
} catch (MessagingException ex) {
ex.printStackTrace();
}
return false;
}
public static boolean sendHtmlMail(MailSendInfo mailInfo) {
// 判斷是否需要身份認證
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
// 如果需要身份認證,則創建一個密碼驗證器
if (mailInfo.isValidate()) {
authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 根據郵件會話屬性和密碼驗證器構造一個發送郵件的session
Session sendMailSession = Session.getDefaultInstance(pro, authenticator);
try {
// 根據session創建一個郵件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 創建郵件發送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 設置郵件消息的發送者
mailMessage.setFrom(from);
// 創建郵件的接收者地址,並設置到郵件消息中
Address to = new InternetAddress(mailInfo.getToAddress());
// Message.RecipientType.TO屬性表示接收者的類型爲TO
mailMessage.setRecipient(Message.RecipientType.TO, to);
// 設置郵件消息的主題
mailMessage.setSubject(mailInfo.getSubject());
// 設置郵件消息發送的時間
mailMessage.setSentDate(new Date());
// MiniMultipart類是一個容器類,包含MimeBodyPart類型的對象
Multipart mainPart = new MimeMultipart();
// 創建一個包含HTML內容的MimeBodyPart
BodyPart html = new MimeBodyPart();
// 設置HTML內容
html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
mainPart.addBodyPart(html);
// 將MiniMultipart對象設置爲郵件內容
mailMessage.setContent(mainPart);
// 發送郵件
Transport.send(mailMessage);
return true;
} catch (MessagingException ex) {
ex.printStackTrace();
}
return false;
}
}
測試
接下來就是見證奇蹟的時刻了,代碼如下:
public class SendMailDemo {
// public static void main(String[] args) {
public void doSend(){
// 設置郵件服務器信息
MailSendInfo mailInfo = new MailSendInfo();
mailInfo.setMailServerHost("smtp.163.com");
mailInfo.setMailServerPort("25");
mailInfo.setValidate(true);
// 郵箱用戶名
mailInfo.setUserName("*****@163.com");
// 郵箱密碼
mailInfo.setPassword("************");
// 發件人郵箱
mailInfo.setFromAddress("*****@163.com");
// 收件人郵箱
mailInfo.setToAddress("***********@126.com");
// 郵件標題
mailInfo.setSubject("商務合作郵件提醒");
// 郵件內容
StringBuffer buffer = new StringBuffer();
buffer.append("蠟筆分期歡迎您提供的商務合作\n");
buffer.append("來自***的商務合作方案");
mailInfo.setContent(buffer.toString());
// 發送郵件
SimpleMailSender sms = new SimpleMailSender();
// 發送文體格式
//sms.sendTextMail(mailInfo);
// 發送html格式
boolean flg = SimpleMailSender.sendHtmlMail(mailInfo);
if(flg){
System.out.println("郵件發送成功");
}else{
System.out.println("郵件發送失敗");
}
}
}