公司里网络使用代理... 只测试了公司的POP3服务器
使用方法
POP3 _Popt = new POP3("192.168.0.1", 110);
DataTable _MailTable = _Popt.GetMailTable("zk", "zk");
MailTable 包含了 收件人 发件人 编号 邮件大小 主题 日期
先贴出来 有时间再改把 马上过年了:) 有什么问题再联系我把
全部代码
namespace Zgke.Net
{
/// <summary>
/// 获取邮件的类
/// </summary>
public class POP3
{
private string m_Address = "127.0.0.1";
private int m_Port = 110;
public POP3(string p_Address, int p_Port)
{
m_Address = p_Address;
m_Port = p_Port;
}
public DataTable GetMailTable(string p_Name,string p_PassWord)
{
POP3Client _Client = new POP3Client();
_Client.UserName = p_Name;
_Client.PassWord = p_PassWord;
_Client.Client = new TcpClient();
_Client.Client.BeginConnect(m_Address, m_Port, new AsyncCallback(OnConnectRequest), _Client);
while (!_Client.ReturnEnd)
{
System.Windows.Forms.Application.DoEvents();
}
if (_Client.Error.Length != 0) throw new Exception("错误信息!" + _Client.Error);
return _Client.MailDataTable;
}
private class POP3Client
{
public TcpClient Client;
public string UserName = "";
public string PassWord = "";
public bool ReturnEnd = false;
public DataTable MailDataTable = new DataTable();
public string Error = "";
public POP3Client()
{
MailDataTable.Columns.Add("NUM");
MailDataTable.Columns.Add("Size");
MailDataTable.Columns.Add("Form");
MailDataTable.Columns.Add("To");
MailDataTable.Columns.Add("Subject");
MailDataTable.Columns.Add("Date");
}
private int m_SendMessage = 0;
private int m_TOPIndex = 1;
public bool ReadEnd = false;
/// <summary>
/// 获取下一个登陆到获取列表需要的命令
/// </summary>
/// <param name="p_Value"></param>
/// <returns></returns>
public byte[] GetSendBytes(byte[] p_Value)
{
ReadEnd = false;
string _Value = System.Text.Encoding.ASCII.GetString(p_Value).Replace("/0", "");
if (_Value.IndexOf("+OK") == 0)
{
m_SendMessage++;
switch (m_SendMessage)
{
case 1:
return System.Text.Encoding.ASCII.GetBytes("USER " + UserName + "/r/n");
case 2:
return System.Text.Encoding.ASCII.GetBytes("PASS " + PassWord + "/r/n");
case 3:
ReadEnd = true;
return System.Text.Encoding.ASCII.GetBytes("LIST/r/n");
case 4:
string[] _List = _Value.Split(new char[] { '/r', '/n', '.' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 1; i != _List.Length; i++)
{
string[] _MaliSize = _List[i].Split(' ');
MailDataTable.Rows.Add(new object[] { _MaliSize[0], _MaliSize[1] });
}
if (MailDataTable.Rows.Count == 0)
{
ReturnEnd = true;
return new byte[0];
}
else
{
ReadEnd = true;
m_TOPIndex = 1;
return System.Text.Encoding.ASCII.GetBytes("TOP 1/r/n");
}
case 5:
System.Text.RegularExpressions.Regex _Regex = new System.Text.RegularExpressions.Regex(@"(?<=Date: ).*?(/r/n)+");
System.Text.RegularExpressions.MatchCollection _Collection = _Regex.Matches(_Value);
if (_Collection.Count != 0) MailDataTable.Rows[m_TOPIndex - 1]["Date"] = GetReadText(_Collection[0].Value);
System.Text.RegularExpressions.Regex _RegexFrom = new System.Text.RegularExpressions.Regex(@"(?<=From: ).*?(/r/n)+");
System.Text.RegularExpressions.MatchCollection _CollectionForm = _RegexFrom.Matches(_Value);
if (_CollectionForm.Count != 0) MailDataTable.Rows[m_TOPIndex - 1]["Form"] = GetReadText(_CollectionForm[0].Value);
System.Text.RegularExpressions.Regex _RegexTo = new System.Text.RegularExpressions.Regex(@"(?<=To: ).*?(/r/n)+");
System.Text.RegularExpressions.MatchCollection _CollectionTo = _RegexTo.Matches(_Value);
if (_CollectionTo.Count != 0) MailDataTable.Rows[m_TOPIndex - 1]["To"] = GetReadText(_CollectionTo[0].Value);
System.Text.RegularExpressions.Regex _RegexSubject = new System.Text.RegularExpressions.Regex(@"(?<=Subject: ).*?(/r/n)+");
System.Text.RegularExpressions.MatchCollection _CollectionSubject = _RegexSubject.Matches(_Value);
if (_CollectionSubject.Count != 0) MailDataTable.Rows[m_TOPIndex - 1]["Subject"] = GetReadText(_CollectionSubject[0].Value);
m_TOPIndex++;
m_SendMessage--;
ReadEnd = true;
if (m_TOPIndex > MailDataTable.Rows.Count)
{
ReturnEnd = true;
return System.Text.Encoding.ASCII.GetBytes("QUIT");
}
else
{
return System.Text.Encoding.ASCII.GetBytes("TOP " + m_TOPIndex.ToString() + "/r/n");
}
case 6:
break;
}
}
Error = _Value;
ReturnEnd = true;
return new byte[0];
}
/// <summary>
/// 转换文字里的字符集
/// </summary>
/// <param name="p_Text"></param>
/// <returns></returns>
public string GetReadText(string p_Text)
{
System.Text.RegularExpressions.Regex _Regex = new System.Text.RegularExpressions.Regex(@"(?<=/=/?).*?(?=/?/=)+");
System.Text.RegularExpressions.MatchCollection _Collection = _Regex.Matches(p_Text);
string _Text = p_Text;
foreach (System.Text.RegularExpressions.Match _Match in _Collection)
{
string _Value = "=?" + _Match.Value + "?=";
if (_Value[0] == '=')
{
string[] _BaseData = _Value.Split('?');
if (_BaseData.Length == 5)
{
System.Text.Encoding _Coding = System.Text.Encoding.GetEncoding(_BaseData[1]);
_Text = _Text.Replace(_Value, _Coding.GetString(Convert.FromBase64String(_BaseData[3])));
}
}
else
{
}
}
return _Text;
}
}
/// <summary>
/// 连接事件
/// </summary>
/// <param name="ar"></param>
private void OnConnectRequest(IAsyncResult ar)
{
POP3Client _Client = (POP3Client)ar.AsyncState;
byte[] _ReadBytes =new byte[0];
_Client.Client.Client.BeginReceive(_ReadBytes, 0, 0, SocketFlags.None, new AsyncCallback(OnWrite), _Client);
}
/// <summary>
/// 连接事件
/// </summary>
/// <param name="ar"></param>
private void OnSend(IAsyncResult ar)
{
POP3Client _Client = (POP3Client)ar.AsyncState;
byte[] _ReadBytes = new byte[0];
_Client.Client.Client.BeginReceive(_ReadBytes, 0, 0, SocketFlags.None, new AsyncCallback(OnWrite), _Client);
}
/// <summary>
/// 连接事件
/// </summary>
/// <param name="ar"></param>
private void OnWrite(IAsyncResult ar)
{
POP3Client _Client = (POP3Client)ar.AsyncState;
byte[] _WriteBytes = new byte[_Client.Client.Client.ReceiveBufferSize];
_Client.Client.Client.Receive(_WriteBytes);
if (_Client.ReadEnd) _WriteBytes = ReadEnd(_WriteBytes, _Client);
byte[] _SendBytes = _Client.GetSendBytes(_WriteBytes);
if (_SendBytes.Length == 0) return;
_Client.Client.Client.BeginSend(_SendBytes, 0, _SendBytes.Length, SocketFlags.None, new AsyncCallback(OnSend), _Client);
}
/// <summary>
/// 获取知道获取到. 否则一直获取数据
/// </summary>
/// <param name="p_Value"></param>
/// <returns></returns>
private byte[] ReadEnd(byte[] p_Value,POP3Client p_Client)
{
if (System.Text.Encoding.ASCII.GetString(p_Value).IndexOf("/r/n./r/n") != -1) return p_Value;
MemoryStream _Stream = new MemoryStream();
_Stream.Write(p_Value, 0, p_Value.Length);
while (true)
{
byte[] _WriteBytes = new byte[p_Client.Client.ReceiveBufferSize];
p_Client.Client.Client.Receive(_WriteBytes);
_Stream.Write(_WriteBytes, 0, _WriteBytes.Length);
System.Threading.Thread.Sleep(100);
if (System.Text.Encoding.ASCII.GetString(_WriteBytes).IndexOf("/r/n./r/n") != -1) return _Stream.ToArray();
}
return _Stream.ToArray();
}
}
}