实现接收Pop3邮件的所有内容_记得下载附件代码,CSharp代码库,德仔网

代码语言

代码分类

【CSharp】实现接收Pop3邮件的所有内容_记得下载附件

作者:dezai / 发布于2014/7/29/ 628

实现接收Pop3邮件的所有内容_记得下载附件


	using System;
	using System.Text;
	using System.IO;
	using Email.POP3;
	using System.Data;
	namespace KingOper
	{
	public class POP
	{
	 public POP()
	 {
	 }
	 public static DataTable main(string SerName,string UserName,string Password)
	 {
	 DataTable dt=new DataTable("邮件");
	 dt.Columns.Add("FROM");//发件人
	 dt.Columns.Add("TO");//收件人
	 dt.Columns.Add("CC");//回复
	 dt.Columns.Add("SUBJECT");//主题
	 dt.Columns.Add("DATE");//日期
	 dt.Columns.Add("CONTENT-TYPE");
	 dt.Columns.Add("CHARSET");
	 dt.Columns.Add("MESSAGE-ID");//邮件id
	 dt.Columns.Add("MESSAGE SIZE");//大小
	 dt.Columns.Add("EMAILOBJ");//内容
	 dt.Columns.Add("Attachments");//附件
	 dt.Columns.Add("FILEDIR");//保存目录
	 try
	 {
	 POP3 objPOP3 = new POP3(SerName, UserName, Password);
	 Console.WriteLine(objPOP3.Connect() ? "Connected" : "Can't connect");
	
	 Console.WriteLine(objPOP3.Login() ? "Logged in" : "Can't login");
	 objPOP3.QueryServer();
	 int EmailCount=objPOP3.TotalMailCount;
	 for (int i = 1; i <= EmailCount; i++)
	 {
	 EmailMessage objEmail = objPOP3.GetMessage(i,false); // use true to get headers only
	 DataRow dr = dt.NewRow();
	 dr[0]=objEmail.From;
	 dr[1]=objEmail.To;
	 dr[2]=objEmail.Cc;
	 dr[3]=objEmail.Subject;
	 dr[4]=objEmail.Date;
	 dr[5]=objEmail.ContentType;
	 dr[6]=objEmail.Charset;
	 dr[7]=objEmail.GetCustomHeader("Message-ID");
	 dr[8]=objEmail.Size;
	 dr[9]=QPDecode(objEmail.Body,System.Text.Encoding.Default);
	
	 string fj="";
	 if (objEmail.IsAnyAttachments)
	 {
	 int sum=0;
	 for(int a = 0; a < objEmail.Attachments.Count; a++)
	 {
	 Attachment objFile = (Attachment)objEmail.Attachments[a];
	 if (!objFile.IsFileAttachment)
	 {
	 if (objFile.TextBody != null)
	 {
	 sum++;
	 fj+=sum.ToString()+":"+objFile.FileName;
	 if(!System.IO.Directory.Exists(@"d:\pop3\fj"))
	 {
	 System.IO.Directory.CreateDirectory(@"d:\pop3\fj");
	 }
	 StreamWriter swfj = new StreamWriter(@"d:\pop3\"+sum.ToString()+":"+objFile.FileName);
	 swfj.Write(objFile.Data);
	 swfj.Close();
	 }
	 }
	 }
	 }
	 dr[10]=fj;
	 dr[11]=@"d:\pop3\m_" + i.ToString() + ".eml";
	 dt.Rows.Add(dr);//构建DataTable的数据
	 if(!System.IO.Directory.Exists(@"d:\pop3"))
	 {
	 System.IO.Directory.CreateDirectory(@"d:\pop3");
	 }
	 StreamWriter sw = new StreamWriter(@"d:\pop3\m_" + i.ToString() + ".eml");
	 sw.Write(objEmail.ToString());
	 sw.Close();
	 }
	 objPOP3.Close();
	 }
	 catch(System.Exception ex)
	 {
	 new Exception(ex.ToString());
	 }
	 return dt;
	
	 }
	 /// <summary>
	 /// 对邮件QP编码进行解码。
	 /// </summary>
	 /// <param name="data">邮件编码内容</param>
	 /// <param name="encoding">系统编码方式</param>
	 /// <returns></returns>
	 public static string QPDecode(string data,Encoding encoding)
	 {
	 char ch;
	 string ret="";
	
	 byte[] bytes=new byte[data.Length];
	 int bIdex=0;
	
	 try
	 {
	 for(int rIndex=0; rIndex<data.Length;rIndex++)
	 {
	 ch=data[rIndex];
	 if(ch=='=')
	 {
	 rIndex++;
	 if( rIndex<data.Length && ( Char.IsDigit(data[rIndex])||Char.IsLetter(data[rIndex])))
	 {
	 bytes[bIdex++]=Byte.Parse(data.Substring(rIndex++,2),System.Globalization.NumberStyles.HexNumber);
	 continue;
	 }
	 if( rIndex<data.Length && data[rIndex]=='\r' && (rIndex+1)<data.Length && data[rIndex+1]=='\n')
	 {
	 rIndex++;
	 continue;
	 }
	 }
	 if(ch=='\r'||ch=='\n')
	 continue;
	 bytes[bIdex++]=(byte)ch;
	 }
	 ret=encoding.GetString(bytes,0,bIdex);
	 }
	 catch(Exception ex)
	 {
	 Console.WriteLine(ex.Message);
	 }
	 return ret;
	 }
	}
	}

试试其它关键字

　Pop3邮件　　接收Pop3邮件　

同语言下

可能有用的

dezai贡献的其它代码(1065)