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("[e-mail]");
m.setTo("[e-mail]");

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


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