/// <summary>
/// 发送邮件前检查需要设置的信息是否完整，收集 错误 信息
/// </summary>
/// <param name="dicMsg">将检查信息收集到此集合</param>
private void InnerCheckSendMail4Error(Dictionary <MailInfoType, string> dicMsg)
{
// 注意每个验证使用完 infoBuilder 都要清零 infoBuilder 。
StringBuilder infoBuilder = new StringBuilder(128);
this.InnerCheckAddress(infoBuilder, dicMsg, EmailAddrType.From);
this.InnerCheckAddress(infoBuilder, dicMsg, EmailAddrType.To);
// SmtpClient 实例未设置
if (m_SmtpClient == null)
{
dicMsg.Add(MailInfoType.SmtpClientEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.SmtpClientEmpty));
}
else
{
// SMTP 主服务器设置 （默认端口为25）
if (m_SmtpClient.Host.Length == 0)
{
dicMsg.Add(MailInfoType.HostEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.HostEmpty));
}
// SMPT 凭证
if (m_SmtpClient.EnableSsl && m_SmtpClient.ClientCertificates.Count == 0)
{
dicMsg.Add(MailInfoType.CertificateEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.CertificateEmpty));
}
}
}
/// <summary>
/// 发送邮件
/// </summary>
/// <param name="errMsg">反馈信息</param>
private bool SendMessage(out string errMsg)
{
errMsg = string.Empty;
if (this._mail == null)
{
errMsg = "MailHelper对象为空";
return(false);
}
Dictionary <MailInfoType, string> dic = this._mail.CheckSendMail();
if (dic.Count > 0 && MailInfoHelper.ExistsError(dic))
{
// 反馈“错误+提示”信息
errMsg = MailInfoHelper.GetMailInfoStr(dic);
return(false);
}
try
{
if (this._isSimple)
{
this._mail.SendOneMail();
}
else
{
// 发送
this._mail.SendBatchMail();
}
return(true);
}
catch (Exception ex)
{
// 反馈异常信息
errMsg = ex.InnerException == null ? ex.Message : ex.Message + ex.InnerException.Message;
}
finally
{
_mail.Reset();
}
return(false);
}
/// <summary>
/// 发送邮件前检查需要设置的信息是否完整，收集 提示 信息
/// </summary>
/// <param name="dicMsg">将检查信息收集到此集合</param>
private void InnerCheckSendMail4Info(Dictionary <MailInfoType, string> dicMsg)
{
// 注意每个验证使用完 infoBuilder 都要清零 infoBuilder 。
StringBuilder infoBuilder = new StringBuilder(128);
this.InnerCheckAddress(infoBuilder, dicMsg, EmailAddrType.CC);
this.InnerCheckAddress(infoBuilder, dicMsg, EmailAddrType.Bcc);
// 邮件主题
if (Subject.Length == 0)
{
dicMsg.Add(MailInfoType.SubjectEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.SubjectEmpty));
}
// 邮件内容
if (Body.Length == 0 &&
(m_Attachments == null || (m_Attachments != null && m_Attachments.Count == 0))
)
{
dicMsg.Add(MailInfoType.BodyEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.BodyEmpty));
}
}
/// <summary>
/// 检查 发件人、收件人、抄送人、密送人 邮箱地址
/// </summary>
/// <param name="infoBuilder">StringBuilder实例</param>
/// <param name="dicMsg">将检查信息收集到此集合</param>
/// <param name="type">接收邮件地址类型</param>
private void InnerCheckAddress(StringBuilder infoBuilder, Dictionary <MailInfoType, string> dicMsg, EmailAddrType type)
{
Dictionary <string, string> dic = null;
MailInfoType addressFormat = MailInfoType.None;
MailInfoType addressEmpty = MailInfoType.None;
bool allowEmpty = true;
// 只有 发件人 是单个地址，特别进行处理
bool hasHandle = false;
switch (type)
{
case EmailAddrType.From:
{
// 标识为已处理
hasHandle = true;
allowEmpty = false;
if (From.Length == 0)
{
dicMsg.Add(MailInfoType.FromEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.FromEmpty));
}
else if (!MailValidatorHelper.IsEmail(From))
{
string strTemp = infoBuilder.AppendFormat(MailInfoHelper.GetMailInfoStr(MailInfoType.FromFormat), FromDisplayName, From).ToString();
dicMsg.Add(MailInfoType.FromFormat, strTemp);
infoBuilder.Length = 0;
}
}
break;
case EmailAddrType.To:
{
dic = m_DicTo;
addressEmpty = MailInfoType.ToEmpty;
allowEmpty = false;
addressFormat = MailInfoType.ToFormat;
}
break;
case EmailAddrType.CC:
{
dic = m_DicCC;
addressFormat = MailInfoType.CCFormat;
allowEmpty = true;
addressEmpty = MailInfoType.None;
}
break;
case EmailAddrType.Bcc:
{
dic = m_DicBcc;
addressFormat = MailInfoType.BccFormat;
allowEmpty = true;
addressEmpty = MailInfoType.None;
}
break;
}
#region 处理 收件人、抄送人、密送人
if (!hasHandle)
{
if (dic == null)
{
if (!allowEmpty)
{
// 地址为空
dicMsg.Add(addressEmpty, MailInfoHelper.GetMailInfoStr(addressEmpty));
}
}
else
{
if (dic.Count > 0)
{
string strTemp = String.Empty;
// 邮件地址格式
foreach (KeyValuePair <string, string> keyValue in dic)
{
if (keyValue.Key.Length == 0)
{
if (!allowEmpty)
{
// 地址为空
dicMsg.Add(addressEmpty, MailInfoHelper.GetMailInfoStr(addressEmpty));
}
}
else if (!MailValidatorHelper.IsEmail(keyValue.Key))
{
if (strTemp.Length == 0)
{
strTemp = MailInfoHelper.GetMailInfoStr(addressFormat);
}
if (infoBuilder.Length > 0)
{
infoBuilder.AppendLine();
}
infoBuilder.AppendFormat(strTemp, keyValue.Value, keyValue.Key);
}
}
if (infoBuilder.Length > 0)
{
dicMsg.Add(addressFormat, infoBuilder.ToString());
infoBuilder.Length = 0;
}
}
else if (!allowEmpty)
{
// 地址为空
dicMsg.Add(addressEmpty, MailInfoHelper.GetMailInfoStr(addressEmpty));
}
}
}
#endregion
}