JavaMail(2)——给多人发送、抄送
关键技术：
1、MimeMessage的setRecipients方法设置邮件的收件人，其中Message.RecipientType.TO常量表示收件人类型是邮件接收者，Message.RecipientType.CC常量表示收件人类型是抄送者，Message.RecipientType.BCC常量表示收件人的类型是密送着。
2、在调用MimeMessage的setRecipients方法时，除了可以指定收件人的类型外，还可以传入一个数组，指定多个收件人的地址。
SourceCode:
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?MultiMailsender?{
????/**
?????*?发送邮件给多个接收者
?????*?@param?mailInfo????带发送邮件的信息
?????*?@return
?????*/
????public?static?boolean?sendMailtoMultiReceiver(MultiMailSenderInfo?mailInfo){
????????MyAuthenticator?authenticator?=?null;
????????if?(mailInfo.isValidate())?{
????????????authenticator?=?new?MyAuthenticator(mailInfo.getUserName(),
????????????????????mailInfo.getPassword());
????????}
????????Session?sendMailSession?=?Session.getInstance(mailInfo
????????????????.getProperties(),?authenticator);
????????try?{
????????????Message?mailMessage?=?new?MimeMessage(sendMailSession);
????????????//?创建邮件发送者地址
????????????Address?from?=?new?InternetAddress(mailInfo.getFromAddress());
????????????mailMessage.setFrom(from);
????????????//?创建邮件的接收者地址，并设置到邮件消息中
????????????Address[]?tos?=?null;
????????????String[]?receivers?=?mailInfo.getReceivers();
????????????if?(receivers?!=?null){
????????????????//?为每个邮件接收者创建一个地址
????????????????tos?=?new?InternetAddress[receivers.length?+?1];
????????????????tos[0]?=?new?InternetAddress(mailInfo.getToAddress());
????????????????for?(int?i=0;?i<receivers.length;?i++){
????????????????????tos[i+1]?=?new?InternetAddress(receivers[i]);
????????????????}
????????????}?else?{
????????????????tos?=?new?InternetAddress[1];
????????????????tos[0]?=?new?InternetAddress(mailInfo.getToAddress());
????????????}
????????????//?将所有接收者地址都添加到邮件接收者属性中
????????????mailMessage.setRecipients(Message.RecipientType.TO,?tos);
????????????
????????????mailMessage.setSubject(mailInfo.getSubject());
????????????mailMessage.setSentDate(new?Date());
????????????//?设置邮件内容
????????????Multipart?mainPart?=?new?MimeMultipart();
????????????BodyPart?html?=?new?MimeBodyPart();
????????????html.setContent(mailInfo.getContent(),?"text/html;?charset=GBK");
????????????mainPart.addBodyPart(html);
????????????mailMessage.setContent(mainPart);
????????????//?发送邮件
????????????Transport.send(mailMessage);
????????????return?true;
????????}?catch?(MessagingException?ex)?{
????????????ex.printStackTrace();
????????}
????????return?false;
????}
? ? /**
?????*?发送带抄送的邮件
?????*?@param?mailInfo????待发送邮件的消息
?????*?@return
?????*/
????public?static?boolean?sendMailtoMultiCC(MultiMailSenderInfo?mailInfo){
????????MyAuthenticator?authenticator?=?null;
????????if?(mailInfo.isValidate())?{
????????????authenticator?=?new?MyAuthenticator(mailInfo.getUserName(),
????????????????????mailInfo.getPassword());
????????}
????????Session?sendMailSession?=?Session.getInstance(mailInfo
????????????????.getProperties(),?authenticator);
????????try?{
????????????Message?mailMessage?=?new?MimeMessage(sendMailSession);
????????????//?创建邮件发送者地址
????????????Address?from?=?new?InternetAddress(mailInfo.getFromAddress());
????????????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);
????????????
????????????//?获取抄送者信息
????????????String[]?ccs?=?mailInfo.getCcs();
????????????if?(ccs?!=?null){
????????????????//?为每个邮件接收者创建一个地址
????????????????Address[]?ccAdresses?=?new?InternetAddress[ccs.length];
????????????????for?(int?i=0;?i<ccs.length;?i++){
????????????????????ccAdresses[i]?=?new?InternetAddress(ccs[i]);
????????????????}
????????????????//?将抄送者信息设置到邮件信息中，注意类型为Message.RecipientType.CC
????????????????mailMessage.setRecipients(Message.RecipientType.CC,?ccAdresses);
????????????}?
????????????
????????????mailMessage.setSubject(mailInfo.getSubject());
????????????mailMessage.setSentDate(new?Date());
????????????//?设置邮件内容
????????????Multipart?mainPart?=?new?MimeMultipart();
????????????BodyPart?html?=?new?MimeBodyPart();
????????????html.setContent(mailInfo.getContent(),?"text/html;?charset=GBK");
????????????mainPart.addBodyPart(html);
????????????mailMessage.setContent(mainPart);
????????????//?发送邮件
????????????Transport.send(mailMessage);
????????????return?true;
????????}?catch?(MessagingException?ex)?{
????????????ex.printStackTrace();
????????}
????????return?false;
????}
? ??public?static?void?main(String[]?args)?{
????????//?创建邮件信息
????????MultiMailSenderInfo?mailInfo?=?new?MultiMailSenderInfo();
????????mailInfo.setMailServerHost("smtp.sina.com.cn");
????????mailInfo.setMailServerPort("25");
????????mailInfo.setValidate(true);
????????mailInfo.setUserName("***");
????????mailInfo.setPassword("***");
????????mailInfo.setFromAddress("***@sina.com");
????????mailInfo.setToAddress("***@163.com");
????????mailInfo.setSubject("MyMail测试");
????????mailInfo.setContent("我的邮件测试/n/rMy?test?mail/n/r");
????????String[]?receivers?=?new?String[]{"***@163.com",?"***@tom.com"};
????????String[]?ccs?=?receivers;
????????mailInfo.setReceivers(receivers);
????????mailInfo.setCcs(ccs);
????????
????????MultiMailsender.sendMailtoMultiReceiver(mailInfo);
????????MultiMailsender.sendMailtoMultiCC(mailInfo);
????}
? ? /**
?????*?发送多接收者类型邮件的基本信息
?????*/
????public?static?class?MultiMailSenderInfo?extends?MailSenderInfo{
????????//?邮件的接收者，可以有多个
????????private?String[]?receivers;
????????//?邮件的抄送者，可以有多个
????????private?String[]?ccs;
????????
????????public?String[]?getCcs()?{
????????????return?ccs;
????????}
????????public?void?setCcs(String[]?ccs)?{
????????????this.ccs?=?ccs;
????????}
????????public?String[]?getReceivers()?{
????????????return?receivers;
????????}
????????public?void?setReceivers(String[]?receivers)?{
????????????this.receivers?=?receivers;
????????}
????}
}
