C#编写发送邮件组件

在mailsetting里的配置好邮件服务器，然后mailentity里配置好要发送的邮件主体，最后使用mailserver里的方法send发送邮件

mailentity.cs

using system;
using system.collections.generic;
using system.linq;
using system.web;
 
namespace autooutticket.mail
{
  public class mailentity
  {
    public string from;
    public string to;
    public string fromname;
    public string toname;
    public string cc;
    public bool ishtml;
    public string subject;
    public string body;
    public string attach;
  }
}

mailserver.cs

using system;
using system.collections.generic;
using system.linq;
using system.net;
using system.net.mail;
using system.web;
 
namespace autooutticket.mail
{
  public class mailserver
  {
    mailentity _entity = null;
    mailsetting _settings = null;
    public mailserver(mailentity entity, mailsetting settings)
    {
      this._entity = entity;
      this._settings = settings;
    }
    public bool send()
    {
      try
      {
        mailmessage message = new mailmessage(_settings.smtpuser, _entity.to);
        message.isbodyhtml = _entity.ishtml;
        message.subject = _entity.subject;
        message.body = _entity.body;
        if (!string.isnullorwhitespace(_entity.cc))
        {
          message.cc.add(_entity.cc);
        }
        if (!string.isnullorwhitespace(_entity.attach))
        {
          attachment atta=new attachment(_entity.attach);
          message.attachments.add(atta);
        }
 
        smtpclient client = new smtpclient(_settings.smtphost, _settings.smtpport);
        client.credentials = new networkcredential(_settings.smtpuser, _settings.smtppass);
 
        client.sendasync(message, null);
 
        return true;
      }
      catch (exception)
      {
      }
      return false;
    }
  }
}

mailsetting.cs

using system;
using system.collections.generic;
using system.linq;
using system.web;
 
namespace autooutticket.mail
{
  public class mailsetting
  {
    public string smtphost = "";
    public int smtpport;
    public string smtpuser = "";
    public string smtppass = "";
    public mailsetting()
    {
    }
    public mailsetting(string smtpserver, int smtpport, string smtpuser, string smtppass)
    {
      this.smtphost = smtpserver;
      this.smtpport = smtpport;
      this.smtpuser = smtpuser;
      this.smtppass = smtppass;
    }
  }
}

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