JAVA 发邮件

package com.zbxsoft.commmon;

import java.util.* ;
import javax.mail.* ;
import javax.mail.internet.* ;
import javax.activation.* ;
public class Mail {
//定义发件人、收件人、SMTP服务器、用户名、密码、主题、内容等
private String displayName;
private String to;
private String from;
private String smtpServer;
private String username;
private String password;
private String subject;
private String content;
private boolean ifAuth; //服务器是否要身份认证
private String filename="";
private Vector<String> file = new Vector<String>(); //用于保存发送附件的文件名的集合


/**
* 设置SMTP服务器地址
*/
public void setSmtpServer(String smtpServer){
   this.smtpServer=smtpServer;
}

/**
* 设置发件人的地址
*/
public void setFrom(String from){
   this.from=from;
}
/**
* 设置显示的名称
*/
public void setDisplayName(String displayName){
   this.displayName=displayName;
}

/**
* 设置服务器是否需要身份认证
*/
public void setIfAuth(boolean ifAuth){
   this.ifAuth=ifAuth;
}

/**
* 设置E-mail用户名
*/
public void setUserName(String username){
   this.username=username;
}

/**
* 设置E-mail密码
*/
public void setPassword(String password){
   this.password=password;
}

/**
* 设置接收者
*/
public void setTo(String to){
   this.to=to;
}

/**
* 设置主题
*/
public void setSubject(String subject){
   this.subject=subject;
}

/**
* 设置主体内容
*/
public void setContent(String content){
   this.content=content;
}

/**
* 该方法用于收集附件名
*/
public void addAttachfile(String fname){
   file.addElement(fname);
}

public Mail(){

}

/**
* 初始化SMTP服务器地址、发送者E-mail地址、用户名、密码、接收者、主题、内容
*/
public Mail(String smtpServer,String from,String displayName,String username,String password,String to,String subject,String content){
    this.smtpServer=smtpServer;
    this.from=from;
    this.displayName=displayName;
    this.ifAuth=true;
    this.username=username;
    this.password=password;
    this.to=to;
    this.subject=subject;
    this.content=content;
}

/**
* 初始化SMTP服务器地址、发送者E-mail地址、接收者、主题、内容
*/
public Mail(String smtpServer,String from,String displayName,String to,String subject,String content){
    this.smtpServer=smtpServer;
    this.from=from;
    this.displayName=displayName;
    this.ifAuth=false;
    this.to=to;
    this.subject=subject;
    this.content=content;
}

/**
* 发送邮件
*/
public HashMap<String,String> send () throws Exception{
    HashMap<String,String> map=new HashMap<String,String>();
    map.put("state", "success");
    String message="邮件发送成功！";
    Session session=null;
    Properties props = System.getProperties();
    props.put("mail.smtp.host", smtpServer);
    if(ifAuth){ //服务器需要身份认证
        props.put("mail.smtp.auth","true");
        SmtpAuth smtpAuth=new SmtpAuth(username,password);
        session=Session.getDefaultInstance(props, smtpAuth);
    }else{
        props.put("mail.smtp.auth","false");
        session=Session.getDefaultInstance(props, null);
    }
    //session.setDebug(true);
    Transport trans = null;
    //try {
        Message msg = new MimeMessage(session);
        try{
            Address from_address = new InternetAddress(from, displayName);
            msg.setFrom(from_address);
        }catch(java.io.UnsupportedEncodingException e){
            e.printStackTrace();
        }
        InternetAddress[] address={new InternetAddress(to)};
        msg.setRecipients(Message.RecipientType.TO,address);
        msg.setSubject(subject);
        Multipart mp = new MimeMultipart();
        MimeBodyPart mbp = new MimeBodyPart();
        mbp.setContent(content.toString(), "text/html;charset=gb2312");
        mp.addBodyPart(mbp);
        if(!file.isEmpty()){//有附件
            Enumeration<String> efile=file.elements();
            while(efile.hasMoreElements()){
                mbp=new MimeBodyPart();
                filename=efile.nextElement().toString(); //选择出每一个附件名
                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);
            }
            file.removeAllElements();
        }
        msg.setContent(mp); //Multipart加入到信件
        msg.setSentDate(new Date());     //设置信件头的发送日期
        //发送信件
        msg.saveChanges();
        trans = session.getTransport("smtp");
        trans.connect(smtpServer, username, password);
        trans.sendMessage(msg, msg.getAllRecipients());
        trans.close();

    /*}catch(AuthenticationFailedException e){
         map.put("state", "failed");
         message="邮件发送失败！错误原因：\n"+"身份验证错误!";
         e.printStackTrace();
    }catch (MessagingException e) {
         message="邮件发送失败！错误原因：\n"+e.getMessage();
         map.put("state", "failed");
         e.printStackTrace();
         Exception ex = null;
         if ((ex = e.getNextException()) != null) {
             System.out.println(ex.toString());
             ex.printStackTrace();
         }
    }       */

    map.put("message", message);
    return map;
}

public static void main(String[] args) {
Mail m = new Mail();
//发送邮件服务器（smtp）
m.setSmtpServer("smtp.zbxsoft.com");
m.setIfAuth(true);

m.setSubject("测试");
m.setContent("javamail邮件测试<br/><font color=\"red\">你好么-_-</font>");
m.setDisplayName("船长");

m.setUserName("dfzhao");
m.setPassword("123");
m.setFrom("[email protected]");
m.setTo("[email protected]");

try {
m.send();
} catch (Exception e) {

System.out.println("异常"+e.getMessage());
}
}
}
/********************************************************************/
package com.zbxsoft.commmon;

public class SmtpAuth extends javax.mail.Authenticator {
   private String username,password;

   public SmtpAuth(String username,String password){
       this.username = username;
       this.password = password;
   }
    protected javax.mail.PasswordAuthentication getPasswordAuthentication() {
        return new javax.mail.PasswordAuthentication(username,password);
    }
}
/***************************

如果你用myEclipse进行开发的话，运行时可能会出现以下的错误:
Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/mail/util/LineInputStream
原因是jar包版本不统一,解决方法如下:
删除myEclipse安装目录下
\Common\plugins\com.genuitec.eclipse.j2eedt.core_8.6.0.me201007292038\data\libraryset\EE_5\javaee.jar

*****************************************/

猜你喜欢