
// 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 = null
//sendMailSession = Session.getDefaultInstance(pro,authenticator) //获取默认可能报错
sendMailSession = Session.getInstance(pro,authenticator)//新创建一个session
if (sendMailSession==null){
System.out.println("无法获取邮件邮件Session")
}
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 = 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())
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)
//添加附件
// if(mailInfo.getAttachFileNames()!=null || mailInfo.getAttachFileNames().length>0){
// Multipart mp = new MimeMultipart()
// MimeBodyPart mbp=null
// for(String fileName:mailInfo.getAttachFileNames()){
// mbp=new MimeBodyPart()
// FileDataSource fds=new FileDataSource(fileName) //得到数据源
// mbp.setDataHandler(new DataHandler(fds)) //得到附件本身并至入BodyPart
// mbp.setFileName(fds.getName()) //得到文件名同样至入BodyPart
// mp.addBodyPart(mbp)
// }
// mailMessage.setContent(mp)
// }
// 发送邮件
Transport.send(mailMessage)
return true
} catch (MessagingException ex) {
ex.printStackTrace()
}
return false
}
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
// 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
//邮件抄送人
private List<String> ccUserList
/** *//**
* 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
}
public List<String> getCcUserList(){
return ccUserList
}
public void setCcUserList(List<String> ccUserList){
this.ccUserList = ccUserList
}
}
public static void main(String[] args) {
// 这个类主要是设置邮件
MailSenderInfo mailInfo = new MailSenderInfo()
mailInfo.setMailServerHost("smtp.163.com")
mailInfo.setMailServerPort("25")
mailInfo.setValidate(true)
mailInfo.setUserName("zhengzhanzong@163.com")
mailInfo.setPassword("zzzong0828")// 您的邮箱密码
mailInfo.setFromAddress("")
//接受方信息
mailInfo.setToAddress("")
mailInfo.setSubject("邮箱标题 ")
mailInfo.setContent("设置邮箱内容 如http://www.guihua.org 中国桂花网 是中国最大桂花网站==")
String[] files=new String[]{"D:/1.txt","D:/2.txt","D:/3.txt"}
mailInfo.setAttachFileNames(files)
// 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
}
这样发
1. java 的Timer类可以实现你的机制2. spring的定时task也可以实现你的机制,不过也是间接调用java.util.Timer什么的。
3. 某个商品缺货,应该可以select语句获取改标记位,如果是,就定时发送。
4. 没有代码
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