简单邮件发送

1.需要从txt file读地址

2.发送

3.发送结果写入 另一个txt file里 

开发平台：windows 7
开发工具：Myeclipse 6.0

4.包

    activation.jar    common-mail.jar  mail.jar

5. Related Knowledge:

 (1)I/O    (2)smtp协议      （3）单线程
师傅讲的如何去掉乱码http://www.zaidaow.com/videos/detail/L201011112000017B.html

 

package cn.java.com;

import java.io.BufferedReader;//从字符输入流中读取文本，缓冲各个字符，从而提供字符、数组和行的高效读取。


import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.SimpleEmail;

public class Mail {   
    //write into file
    public void writeFileLines(String newStr) throws FileNotFoundException, EmailException,InterruptedException, UnsupportedEncodingException
    {
        String filein = newStr + "\r\n";
        try{
            FileWriter newfile = new FileWriter("g:/log.txt", true);
            BufferedWriter bw = new BufferedWriter(newfile);
            bw.newLine();
            bw.write(filein);
            bw.close();
        }catch(IOException e1){
            e1.printStackTrace();
        }
            
    }
       
     //read from file 
     public void readFileByLines(String fileName) throws FileNotFoundException, EmailException, InterruptedException, UnsupportedEncodingException
     {
         File file=new File(fileName);
          
         BufferedReader reader=null;
         
         FileReader fileReader=new FileReader(file);
         
         try
         {
             reader=new BufferedReader(fileReader);
             String tempString=null;
             int line=1;
             int counts=1;
             while((tempString=reader.readLine())!=null)
             {     
                 System.out.println("第"+line+"行"+":"+tempString);
                 writeFileLines("第"+line+"行"+":"+tempString);         
                 //开始发送
                 sendMessage(tempString);
                 counts++;
             //logSupport.
                 System.out.println("正准备发送第"+counts+"封邮件,请等待一分钟..................");
                 //停止一分钟
                 Thread.sleep(10*1000);
                 
                 line++;
     
                 }
             System.out.println("你的邮件已经全部都发完了，共发了"+(counts-1)+"封");
             writeFileLines("你的邮件已经全部都发完了，共发了"+(counts-1)+"封");
             reader.close();
         }catch(IOException ex)
         {
             ex.printStackTrace();     
         }finally
         {
             if(reader!=null)
             {
                 try {
                    reader.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
             } 
         }
     }
     
     //开始发送
     
     public void sendMessage(String towho) throws EmailException, FileNotFoundException, UnsupportedEncodingException, InterruptedException
     {
          SimpleEmail email = new SimpleEmail();   
          
          email.setHostName("smtp.126.com");//邮件服务器   
          email.setAuthentication("fgangu", "13081015681");//smtp认证的用户名和密码   
          email.addTo(towho,"巨人");//收信者 
          
          email.setFrom("fgangu@126.com","小汪");//发信者 :小汪为发邮件的显示姓名  
          email.setSubject("猫咪的测试邮件");//标题
          email.setCharset("UTF-8");//编码格式   
          StringBuffer sb=new StringBuffer();
          sb.append("尊敬的用户你好:\r\n"+"");
          sb.append("这是一封猫咪的测试邮件");
          
          email.setMsg(sb.toString());//内容        
          email.send();//发送   
          
          System.out.println("发送成功");
          writeFileLines("success");
         
     }
    
         public static void main(String[] args) throws EmailException {   
             
             Mail mail=new Mail();
             try {
                mail.readFileByLines("g:/1.txt");
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
           
              
         }   
  
}