没有牛b的设计模式，代码精练精练实用，功能齐全，调用简单 。。全全完完为码农考虑
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mailsmtp ms = new mailsmtp("smtp.qq.com","1215247044","xxxx");
//可选参数
ms.setcc("610262374@qq.com");//抄送可以多个
ms.setbc("610262374@qq.com");//暗送可以多个
ms.setishtml(true);//默认:true
ms.setencoding(system.text.encoding.utf8);//设置格式 默认utf-8
ms.setisssl(true);//是否ssl加密 默认为false
//调用函数
bool issuccess = ms.send("1215247044@qq.com", "test", "610262374@qq.com", "哈哈", "哈哈", server.mappath("~/test.dll"));
//输出结果
response.write(ms.result);
代码：
using system;
using system.io;
using system.web.ui.webcontrols;
using system.text;
using system.net.mail;
using system.net;
using system.linq;
using system.text.regularexpressions;
namespace syntacticsugar
{
/// <summary>
/// ** 描述：邮件发送
/// ** 创始时间：2015-6-8
/// ** 修改时间：-
/// ** 作者：sunkaixuan
/// </summary>
public class mailsmtp
{
/// <summary>
/// 设置邮件编码类型
/// </summary>
/// <param name="contentencoding"></param>
public void setencoding(encoding contentencoding)
{
this._encoding = contentencoding;
}
/// <summary>
///设置邮件正文是否为 html 格式
/// </summary>
/// <param name="ishtml"></param>
public void setishtml(bool ishtml)
{
this._ishtml = ishtml;
}
/// <summary>
/// 抄送
/// </summary>
/// <param name="cc"></param>
public void setcc(params string[] cc)
{
this._cc = cc;
}
/// <summary>
/// 暗送
/// </summary>
/// <param name="cc"></param>
public void setbc(params string[] bc)
{
this._bcc = bc;
}
/// <summary>
/// 是否ssl加密
/// </summary>
/// <param name="isssl"></param>
public void setisssl(bool isssl)
{
this._smtp.enablessl = isssl;
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="host"></param>
/// <param name="username">邮件账号</param>
/// <param name="password">密码</param>
public mailsmtp(string host, string username, string password)
{
this._smtp.host = host;
this._smtp.port = 0x19;
this._smtp.enablessl = false;
this._ishtml = true;
this._encoding = encoding.utf8;
if (string.isnullorempty(username) || string.isnullorempty(password))
{
this._smtp.usedefaultcredentials = false;
}
else
{
this._smtp.credentials = new networkcredential(username, password);
}
}
/// <summary>
/// 发送邮件
/// </summary>
/// <param name="from">发件人邮件地址</param>
/// <param name="sender">发件人显示名称</param>
/// <param name="to">收件人地址</param>
/// <param name="subject">邮件标题</param>
/// <param name="body">邮件正文</param>
/// <param name="file">附件地址数组</param>
/// <returns>bool 是否成功 </returns>
public bool send(string from, string sender, string to, string subject, string body, params string[] file)
{
return send(from, sender, new string[] { to }, subject, body, file);
}
/// <summary>
/// 发送邮件
/// </summary>
/// <param name="from">发件人邮件地址</param>
/// <param name="sender">发件人显示名称</param>
/// <param name="to">收件人地址</param>
/// <param name="subject">邮件标题</param>
/// <param name="body">邮件正文</param>
/// <param name="file">附件地址数组</param>
/// <returns>bool 是否成功 </returns>
public bool send(string from, string sender, string[] to, string subject, string body, params string[] file)
{
string mailreg = @"^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$";
if (to == null)
{
throw new argumentnullexception("mailsmtp.send.to");
}
if (to.any(oit => !regex.ismatch(oit + "", mailreg)))
{
this.result = "收件人地址不合法";
return false;
}
if (_bcc != null && _bcc.length > 0)
{
if (_bcc.any(oit => !regex.ismatch(oit + "", mailreg)))
{
this.result = "暗送人地址不合法";
return false;
}
}
if (_cc != null && _cc.length > 0)
{
if (_cc.any(oit => !regex.ismatch(oit + "", mailreg)))
{
this.result = "抄送人地址不合法";
return false;
}
}
mailmessage message = new mailmessage();
// 创建一个附件对象
foreach (var r in file)
{
attachment objmailattachment;
objmailattachment = new attachment(r);//发送邮件的附件
message.attachments.add(objmailattachment);
}
message.from = new mailaddress(from, sender);
message.subject = subject;
message.subjectencoding = this._encoding;
message.body = body;
message.bodyencoding = this._encoding;
message.isbodyhtml = this._ishtml;
message.priority = mailpriority.normal;
foreach (string str in to)
{
message.to.add(str);
}
if (this._bcc != null && this._bcc.length > 0)
{
foreach (string b in this._bcc)
{
message.bcc.add(b);
}
}
if (this._cc != null && this._cc.length > 0)
{
foreach (string c in this._cc)
{
message.cc.add(c);
}
}
try
{
this._smtp.send(message);
return true;
}
catch (exception ex)
{
console.writeline(ex.message);
}
return false;
}
private smtpclient _smtp = new smtpclient();
private encoding _encoding { get; set; }
private bool _ishtml { get; set; }
private string[] _cc { get; set; }
private string[] _bcc { get; set; }
/// <summary>
/// 获取发送结果，成功则为空
/// </summary>
public string result { get; private set; }
}
}
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