/// <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
}
public static string GetMailInfoStr(MailInfoType type)
{
string str = String.Empty;
switch (type)
{
#region 会 导致发送邮件错误的信息
case MailInfoType.FromEmpty:
str = "发信人的电子邮件地址不能为空。";
break;
case MailInfoType.ToEmpty:
str = "收件人的电子邮件地址不能为空。";
break;
case MailInfoType.SmtpClientEmpty:
str = "SmtpClient 实例未设置，不能发送邮件。";
break;
case MailInfoType.HostEmpty:
str = "SMTP主服务器未设置，不能发送邮件。";
break;
case MailInfoType.CertificateEmpty:
str = "SmtpClient 实例设置启用ssl，证书不能为空。";
break;
case MailInfoType.FromFormat:
str = "发信人\"{0}\"的电子邮件地址\"{1}\"格式错误。";
break;
case MailInfoType.ToFormat:
str = "收件人\"{0}\"的电子邮件地址\"{1}\"格式错误。";
break;
#endregion
#region 会 导致发送邮件错误的信息
case MailInfoType.SubjectEmpty:
str = "待发送邮件主题为空，请确认是否继续发送。";
break;
case MailInfoType.BodyEmpty:
str = "待发送邮件内容为空，请确认是否继续发送。";
break;
case MailInfoType.CCFormat:
str = "抄送人\"{0}\"的电子邮件地址\"{1}\"格式错误。";
break;
case MailInfoType.BccFormat:
str = "密送人\"{0}\"的电子邮件地址\"{1}\"格式错误。";
break;
#endregion
//#region SmtpClient.Send 异常
//case MailInfoType.SmtpEx:
// str = "SmtpException异常，状态码SmtpStatusCode：{0}，异常详细信息为：{1}.";
// break;
//case MailInfoType.SmtpOperationEx:
// str = "InvalidOperationException异常，异常详细信息为：{0}.";
// break;
//case MailInfoType.SmtpFailedRecipientsEx:
// str = "SmtpFailedRecipientsException异常，异常详细信息为：{0}.";
// break;
//case MailInfoType.SmtpDisposedEx:
// str = "SmtpDisposedEx异常，异常详细信息为：{0}.";
// break;
//#endregion
}
return(str);
}