使用下面的代码发送邮件，需要下载包finereport-1.6.5.jar。
可以发送、抄送、密送多人，多个邮箱之间用逗号分隔","，英文的逗号，不要又空格。
写一个用于密码校验的类：
class="java">import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
/**
* @ClassName MyAuthenticator
* @Description 密码验证器
*
* @author laosan
* @date 2014-12-8 下午2:25:56
*/
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);
}
}
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再写一个用于存储邮件信息的类，这个类也可以不写，但是不写，在后面的使用中会有一些不方便，建议写上：
import java.util.Properties;
/**
* @ClassName MailSenderInfo
* @Description 邮件发送信息
*
* @author laosan
* @date 2014-12-8 下午2:19:20
*/
public class MailSenderInfo
{
/**
* @FieldName mailServerHost 发送邮件的服务器的IP
*/
private String mailServerHost;
/**
* @FieldName mailServerPort 发送邮件的服务器的端口
*/
private String mailServerPort = "25";
/**
* @FieldName fromAddress 邮件发送者的地址
*/
private String fromAddress;
/**
* @FieldName toAddress 邮件接收者的地址
*/
private String toAddress;
/**
* @FieldName ccAddress 抄送地址
*/
private String ccAddress;
/**
* @FieldName scAddress 密送地址
*/
private String bccAddress;
/**
* @FieldName userName 登陆邮件发送服务器的用户名
*/
private String userName;
/**
* @FieldName password 登陆邮件发送服务器的密码
*/
private String password;
/**
* @FieldName validate 是否需要身份验证
*/
private boolean validate = false;
/**
* @FieldName subject 邮件主题
*/
private String subject;
/**
* @FieldName content 邮件的文本内容
*/
private String content;
/**
* @FieldName attachFileNames 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;
}
public String getCcAddress()
{
return ccAddress;
}
public void setCcAddress(String ccAddress)
{
this.ccAddress = ccAddress;
}
public String getBccAddress()
{
return bccAddress;
}
public void setBccAddress(String bccAddress)
{
this.bccAddress = bccAddress;
}
}
最后写一个用于发送邮件的工具类：
import java.io.UnsupportedEncodingException; import java.util.Date; import java.util.Properties; import javax.activation.DataHandler; import javax.activation.FileDataSource; 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.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.mail.internet.MimeUtility; /** * @ClassName SimpleMailSender * @Description 邮件发送 * * @author laosan * @date 2014-12-8 下午2:31:24 */ @SuppressWarnings("static-access") public class SimpleMailSender { /** * @MethodName sendTextMail * @Description 文本格式发送邮件 * * @author laosan * @date 2014-12-8 下午2:32:22 * @param mailInfo * @return */ public static boolean sendTextMail(MailSenderInfo mailInfo) { if (null == mailInfo) { return false; } try { Message mailMessage = setMailBasicInfo(mailInfo); // 设置邮件的主要内容 String mailContent = mailInfo.getContent(); mailMessage.setText(mailContent); // 发送邮件 Transport.send(mailMessage); return true; } catch (MessagingException ex) { ex.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return false; } /** * @MethodName sendHtmlMail * @Description 以HTML格式发送邮件 * * @author laosan * @date 2014-12-8 下午2:35:53 * @param mailInfo * @return */ public static boolean sendHtmlMail(MailSenderInfo mailInfo) { if (null == mailInfo) { return false; } try { Message mailMessage = setMailBasicInfo(mailInfo); // 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(); } catch (Exception e) { e.printStackTrace(); } return false; } /** * @MethodName sendMailForAttachFile * @Description 发送带有附件的邮件，以HTML形式发送 * * @author laosan * @date 2014-12-8 下午03:43:10 * @param mailInfo * @return */ public static boolean sendHtmlMail4AttachFile(MailSenderInfo mailInfo) { // 如果传入的信息为空，直接返回发送失败 if (null == mailInfo) { return false; } try { Message mailMessage = setMailBasicInfo(mailInfo); // 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 bodyPart = new MimeBodyPart(); // 设置HTML内容 bodyPart.setContent(mailInfo.getContent(), "text/html; charset=utf-8"); mainPart.addBodyPart(bodyPart); // 添加所有的附件 FileDataSource fileDataSource = null; for (int i = 0; i < mailInfo.getAttachFileNames().length; i++) { String attachFileName = mailInfo.getAttachFileNames()[i]; bodyPart = new MimeBodyPart(); fileDataSource = new FileDataSource(attachFileName); bodyPart.setDataHandler(new DataHandler(fileDataSource)); bodyPart.setFileName(MimeUtility.encodeText(fileDataSource.getName(), "utf-8", null)); mainPart.addBodyPart(bodyPart); } // 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(); } catch (UnsupportedEncodingException ue) { ue.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return false; } /** * @MethodName setMailBasicInfo * @Description 设置邮件发送的基本信息 * * @author laosan * @date 2014-12-8 下午03:00:10 * @param mailInfo * @return */ private static Message setMailBasicInfo(MailSenderInfo mailInfo) { // 如果传入的邮件信息为空，返回空 if (null == mailInfo) { return null; } // 判断是否需要身份认证, 如果需要身份认证，则创建一个密码验证器 MyAuthenticator authenticator = null; if (mailInfo.isValidate()) { authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); } // 配置信息 Properties pro = mailInfo.getProperties(); // 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); // 根据session创建一个邮件消息 Message mailMessage = new MimeMessage(sendMailSession); try { // 发件人地址 Address from = new InternetAddress(mailInfo.getFromAddress()); mailMessage.setFrom(from); // 收件人地址 InternetAddress[] to = new InternetAddress().parse(mailInfo.getToAddress()); mailMessage.setRecipients(Message.RecipientType.TO, to); // 抄送地址 if (null != mailInfo.getCcAddress() && mailInfo.getCcAddress().trim().length() > 0) { InternetAddress[] cc = new InternetAddress().parse(mailInfo.getCcAddress()); mailMessage.setRecipients(Message.RecipientType.CC, cc); } // 密送地址 if (null != mailInfo.getBccAddress() && mailInfo.getBccAddress().trim().length() > 0) { InternetAddress[] bcc = new InternetAddress().parse(mailInfo.getBccAddress()); mailMessage.setRecipients(Message.RecipientType.BCC, bcc); } // 设置邮件的主题 mailMessage.setSubject(mailInfo.getSubject()); // 设置邮件发送的时间 mailMessage.setSentDate(new Date()); return mailMessage; } catch (AddressException e) { e.printStackTrace(); } catch (MessagingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return null; } }
测试的代码：
public class MailUtil
{
public static void main(String args[])
{
MailSenderInfo mailInfo = new MailSenderInfo();
mailInfo.setMailServerHost("smtp.163.com");
mailInfo.setMailServerPort("25");
mailInfo.setValidate(true);
mailInfo.setUserName("#########@163.com");
// 邮箱密码
mailInfo.setPassword("*********");
mailInfo.setFromAddress("##########@163.com");
mailInfo.setToAddress("******@163.com,******@163.com");
mailInfo.setCcAddress("*****@qq.com,*****@126.com");
mailInfo.setBccAddress("******@qq.com,*****@qq.com");
mailInfo.setSubject("邮件3：带附件");
mailInfo.setContent("邮件3：带附件");
mailInfo.setAttachFileNames(new String[]
{
"C:" + File.separator + "Users" + File.separator + "Desktop" + File.separator
+ "新建文本文档 (1).txt",
"C:" + File.separator + "Users" + File.separator + "Desktop" + File.separator
+ "新建文本文档 (2).txt" });
SimpleMailSender.sendHtmlMail4AttachFile(mailInfo);
System.out.println("Send Mail Over!");
}
}
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