using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Mail;
using System.Net.Mime;
using System.IO;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Threading;
namespace SendEmail
{
class ClsMail
{
private SmtpClient SmtpClient_my = null;//SMTP 邮件发送主体
private MailMessage MailMessage_my = null;
private Attachment Attachment_my = null;
public string m_SMTPServer="";
public string m_Port="25";
public string m_UserName="";
public string m_UserPwd="";
public string m_SenderDisply = "";
public int IsAnonymous=0;
public bool pblnSuccess = true;//判断邮件是否发送成功True==成功， False: 失败
public string pFailInfo = "";//邮件发送失败后，对应的失败原因
//设置邮件格式 html,plaintext, richtext
public enum MailTypes
{
Html=0, Text=1
}
public MailTypes pMailType;//邮件类型变量
//设置邮件编码格式 GB2312, UTF-8
public enum MailEncodings
{
GB2312=0, ASCII=1, Unicode=2, UTF8=3
//The Default mailtype=Html, CodingType=3
}
public MailEncodings pMailEncoding;//邮件编码类型
public enum EmailPriory
{
High=0,Normal=1,Low=2
}
public EmailPriory pPriority;
//构造函数，New SMTP变量实例
public ClsMail()
{
//初始化邮件信息
MailMessage_my = new MailMessage();
pFailInfo = "";
IsAnonymous = 0;
pblnSuccess = true;
pMailType = MailTypes.Html;
pMailEncoding = MailEncodings.UTF8;
pPriority = EmailPriory.Normal;
}
#region //初始设置SMTP 服务器
private int Func_InitSMTP()
{
try
{
string StrIP = "";
//此Resolve函数已经过时
//IPAddress hostIPAddress = (Dns.Resolve(m_SMTPServer)).AddressList[0];
IPAddress[] IpAddress = Dns.GetHostEntry(m_SMTPServer).AddressList;
if (IpAddress.Length > 0)
{
IPAddress hostIPAddress = Dns.GetHostEntry(m_SMTPServer).AddressList[0];
StrIP = hostIPAddress.ToString();
}
else
{
pFailInfo = "Could not find the matched IP address for SMTP Server by the method Dns.GetHostEntry";
pblnSuccess = false;
}
//此部分过程，存在，如果网站禁止Ping命令，则得不到Ping通得IP地址。
//IPAddress[] IpAddress = Dns.GetHostEntry(m_SMTPServer).AddressList;
//Ping ping = new Ping();
//PingReply pingReply = null;
////取得smt服务器可用的ＩＰ
//foreach (IPAddress IP in IpAddress)
//{
// pingReply = ping.Send(IP);
// if (pingReply.Status == IPStatus.Success)
// {
// StrIP = IP.ToString();
// break;
// }
//}
SmtpClient_my = new SmtpClient(StrIP, Int32.Parse(m_Port));
SmtpClient_my.Timeout = 20000;
SmtpClient_my.Host = m_SMTPServer;
//创建服务器认证
NetworkCredential NetworkCredential_my=null;
if (IsAnonymous==0)
{
//如果非匿名访问,写上邮箱的账号，密码
NetworkCredential_my = new NetworkCredential(m_UserName,m_UserPwd);
}
else
{
//匿名访问
NetworkCredential_my = new NetworkCredential();
SmtpClient_my.UseDefaultCredentials = true;
}
SmtpClient_my.Credentials = NetworkCredential_my;
SmtpClient_my.SendCompleted += new SendCompletedEventHandler(SmtpClient_my_SendCompleted);
pblnSuccess = true;
return 1;
}
catch (SocketException E)
{
pFailInfo=E.ToString();
pblnSuccess = false;
return 0;
}
}
#endregion
#region//设置m_From发送人，m_To收件人，m_CC抄送，m_BCC密送人
private int Func_PersonInit(string m_From, string m_To, string m_CC, string m_BCC)
{
MailAddress mailTemp = null;
string[] aryTemp = null;
//数据库需要设置系统邮件地址
if (m_From.Trim().Equals(""))
{
pFailInfo = "the email sender could not be null";
pblnSuccess = false;
return 0;
}
else
{
mailTemp = new MailAddress(m_From.Trim(),m_SenderDisply);
MailMessage_my.From = mailTemp;
}
if (m_To.Trim().Equals(""))
{
pFailInfo = "the email receiver could not be null";
pblnSuccess = false;
return 0;
}
else
{
aryTemp = m_To.Split(';');
for (int i = 0; i < aryTemp.Length; i++)
{
if (!aryTemp[i].Trim().Equals(""))
{
mailTemp = new MailAddress(aryTemp[i].Trim());
MailMessage_my.To.Add(mailTemp);
}
}
}
//抄送
if (!m_CC.Trim().Equals(""))
{
aryTemp = m_CC.Split(';');
for (int i = 0; i < aryTemp.Length; i++)
{
if (!aryTemp[i].Trim().Equals(""))
{
mailTemp = new MailAddress(aryTemp[i].Trim());
MailMessage_my.CC.Add(mailTemp);
}
}
}
//密送
if (!m_BCC.Trim().Equals(""))
{
aryTemp = m_BCC.Split(';');
for (int i = 0; i < aryTemp.Length; i++)
{
if (!aryTemp[i].Trim().Equals(""))
{
mailTemp = new MailAddress(aryTemp[i].Trim());
MailMessage_my.Bcc.Add(mailTemp);
}
}
}
pblnSuccess = true;
return 1;
}
#endregion
#region//读取附件信息，将附件组添加到邮件附件组中。
private int Func_AttachInit(string m_Attachment)
{
string[] aryTemp = null;
if (!m_Attachment.Equals(""))
{
//分割附件数组
aryTemp = m_Attachment.Split(';');
for (int i = 0; i < aryTemp.Length; i++)
{
//如果文件不存在
if (!File.Exists(aryTemp[i].Trim()))
{
if (!aryTemp[i].Trim().Equals(""))
{
pFailInfo = "The file " + aryTemp[i] + " doese not exist.";
pblnSuccess = false;
return 0;
//MessageBox.Show("{0}文件不存在！", aryTemp[i].Trim());
}
}
//如果文件存在
//获取文件
try
{
FileStream FileStream_my = new FileStream(aryTemp[i], FileMode.Open);
string name = FileStream_my.Name;
int size = (int)(FileStream_my.Length / 1024);
//控制文件大小不大于10Ｍ
if (size > 10240)
{
// MessageBox.Show("文件长度不能大于１０Ｍ！你选择的文件大小为{0}", size.ToString());
pFailInfo = "The file size could not be over 10M, The current file size [" + aryTemp[i]+"] is " + size.ToString();
FileStream_my.Close();
pblnSuccess = false;
return 0;
}
else
{
FileStream_my.Close();
FileStream_my.Dispose();
Attachment_my = new Attachment(aryTemp[i]);
MailMessage_my.Attachments.Add(Attachment_my);
}
}
catch (IOException E)
{
pFailInfo=E.Message;
pblnSuccess = false;
return 0;
}
}//end for each
}
pblnSuccess = true;
return 1;
//程序正常结束，返回1
}
#endregion
#region 发送邮件后所处理的函数
private void SmtpClient_my_SendCompleted(object sender, AsyncCompletedEventArgs e)
{
if (e.Cancelled)
{
pFailInfo="the email sending is canceld";
pblnSuccess = false;
}
if (e.Error != null)
{
//MessageBox.Show(e.UserState.ToString() + "发送错误：" + e.Error.Message, "发送错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
pFailInfo = "the email sending error "+e.Error.Message;
pblnSuccess = false;
}
else
{
//MessageBox.Show("邮件成功发出!", "恭喜!", MessageBoxButtons.OK, MessageBoxIcon.Information);
pblnSuccess = true;
}
}
#endregion
#region "设置邮件类型与编码格式"
private void Void_SetMailCoding()
{
int intType = (int)pMailType;
int intCoding = (int)pMailEncoding;
int intPriority = (int)pPriority;
//设定邮件类型Html=0, PlainText=1,RichText=2
switch (intType)
{
case 0://Html
MailMessage_my.IsBodyHtml = true;
break;
case 1://Text
MailMessage_my.IsBodyHtml = false;
break;
default://Hteml
MailMessage_my.IsBodyHtml = true;
break;
}
//Set Mail Coding Tyep
//设置邮件编码格式 GB2312, UTF-8
switch (intCoding)
{
case 0://GB2312
MailMessage_my.BodyEncoding=Encoding.GetEncoding(936);
MailMessage_my.SubjectEncoding=Encoding.GetEncoding(936);
break;
case 1://ASCII
MailMessage_my.BodyEncoding=Encoding.ASCII;
MailMessage_my.SubjectEncoding=Encoding.ASCII;
break;
case 2://Unicode
MailMessage_my.BodyEncoding=Encoding.Unicode;
MailMessage_my.SubjectEncoding=Encoding.Unicode;
break;
case 3://UTF8
MailMessage_my.BodyEncoding=Encoding.UTF8;
MailMessage_my.SubjectEncoding=Encoding.UTF8;
break;
default:
MailMessage_my.BodyEncoding=Encoding.UTF8;
MailMessage_my.SubjectEncoding=Encoding.UTF8;
break;
}
//设置优先级
switch (intPriority)
{
case 0://High
MailMessage_my.Priority = MailPriority.High;
break;
case 1://normal
MailMessage_my.Priority = MailPriority.Normal;
break;
case 2://low
MailMessage_my.Priority = MailPriority.Low;
break;
default:
MailMessage_my.Priority = MailPriority.Normal;
break;
}
}
#endregion
#region//发送邮件主函数
//返回值=0 发送失败，pFailInfo 查看失败原因
//返回值=1 发送成功
public int Func_SendMail(string m_From, string m_To, string m_CC, string m_BCC, string m_SubJect, string m_Attachment, string m_Boday)
{
try
{
//设置smtp 服务器及后期处理函数
Func_InitSMTP();
if (pblnSuccess == false)
{
return 0;
}
//设置收，发邮件人的列表
Func_PersonInit(m_From, m_To, m_CC, m_BCC);
if (pblnSuccess==false)
{
return 0;
}
//设置附件
Func_AttachInit(m_Attachment);
if (pblnSuccess == false)
{
return 0;
}
MailMessage_my.Subject = m_SubJect;
MailMessage_my.Body = m_Boday;
Void_SetMailCoding();
string userToken = "Well!";
if (SmtpClient_my != null)
{
//SmtpClient_my.SendAsync(MailMessage_my, userToken);
SmtpClient_my.Send(MailMessage_my);
MailMessage_my.Dispose();
pblnSuccess = true;
return 1;
}
else
{
//MessageBox.Show("邮件没有发送！Ｓmtp服务器没有初始化!");
pblnSuccess = false;
pFailInfo = "the smtp server didn't be initialized";
return 0;
}
}
catch (Exception ex)
{
pblnSuccess = false;
pFailInfo = ex.Message;
MailMessage_my.Dispose();
return 0;
}
}
#endregion
}
}
----------------------------------------------------------------------------------------------------------------
调用
StringBuilder sb = new StringBuilder();
sb.Append("<html>");
sb.Append(" <head>");
sb.Append(" <meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\">");
sb.Append(" <title>车辆异常信息报告</title>");
sb.Append( "<style type=\"text/css\">");
sb.Append(" <!--");
sb.Append(" body {font: normal 11px auto \"Trebuchet MS\", Verdana, Arial, Helvetica, sans-serif;color: #4f6b72;background: #E6EAE9;}");
sb.Append(" .style1 {font-size: 15px;color: #4f6b72;;border-right: 1px solid #C1DAD7;border-left: 1px solid #C1DAD7;border-top: 1px solid #C1DAD7;letter-spacing: 2px;text-transform: uppercase;text-align: left;padding: 6px 6px 6px 12px;background: #FFFFFF no-repeat;}");
sb.Append(" .style2 {border-right: 1px solid #C1DAD7;border-left: 1px solid #C1DAD7;border-top: 1px solid #C1DAD7;border-bottom: 1px solid #C1DAD7;background: #fff;font-size:20px;padding: 6px 6px 6px 12px;color: #4f6b72; 600px;height:150px; word-wrap: break-word;filter:progid:DXImageTransform.Microsoft.gradient(startcolorstr=#FFFF00000,endcolorstr=#FFFFFF00,gradientType=1)\"}");
sb.Append(" -->");
sb.Append(" </style>");
sb.Append(" </head>");
sb.Append(" <body>");
sb.Append(" <table id=\"table\" align=\"center\" >");
sb.Append(" <th class=\"style1\"><div align=\"center\">异常信息报告</div></th>");
sb.Append(" <tr>");
sb.Append(" <td class=\"style2\">");
string a = string.Format("监控中心提醒你 ，车牌号码为({0})车辆异常，请进行限行!", "<a href=\"http://www.****.com/\">陕AA6545</a>");
sb.Append(a);
sb.Append(" </td>");
sb.Append(" </tr>");
sb.Append("</html>");
ClsMail mail = null;
mail = new ClsMail();
mail.m_Port = 25;
mail.m_SMTPServer = "stmp.**.com
ail.m_UserName = "************";//用户名
mail.m_UserPwd = "************" ;//密码
mail.m_SenderDisply = "发送用户显示";
mail.pPriority = ClsMail.EmailPriory.High;
if (checkBox1.Checked) //是否匿名
{
mail.IsAnonymous = 1;
}
mail.Func_SendMail(Tb_Email_from.Text, Tb_Email_to.Text, Txt_CC.Text, Txt_BCC.Text, Tb_Content.Text, Tb_Path.Text, sb.toString());
if (mail.pblnSuccess == false)
{
MessageBox.Show(mail.pFailInfo);
}
else
{
MessageBox.Show("发送成功，请查看收件箱");
}
mail = null;
----------------采用 新浪邮箱测试，测试时 务必启用 邮箱 SMTP服务