/// <summary>
/// 简单邮件发送
/// </summary>
/// <param name="toEmail">邮箱</param>
/// <param name="title">标题</param>
/// <param name="bodyInfo">邮件内容</param>
/// <returns>是否发送成功</returns>
public static bool SendSimpleEmail(string toEmail, string title, string bodyInfo)
{
try
{
return(SendMail(SFrom, SFromer, toEmail, "", title, bodyInfo, "", SmtpHost, SmtPuser, SmtPpass));
}
catch (Exception ex)
{
CLog.EmailLog($"Email.SendSimpleEmail>>>{ex.Message}", "EmailSendError");
return(false);
}
}
/// <summary>
/// 给主账号发送邮件
/// </summary>
/// <param name="title">邮件标题</param>
/// <param name="bodyInfo">邮件内容</param>
/// <returns>是否发送成功</returns>
private bool SendLogMessage(string title, string bodyInfo)
{
try
{
return(SendMail(SFrom, SFromer, MyConfig.ToEmail, "", title, bodyInfo, "", SmtpHost, SmtPuser, SmtPpass));
}
catch (Exception ex)
{
CLog.EmailLog($"Email.SendLogMessage>>>{ex.Message}", "EmailSendError");
return(false);
}
}
/// <summary>
/// 重要消息邮件通知
/// </summary>
/// <param name="bodyInfo">邮件内容</param>
private bool SendEmailMessage(string bodyInfo)
{
try
{
return(SendEerrorToMail(bodyInfo, MyConfig.ToEmail));
}
catch (Exception ex)
{
CLog.EmailLog($"Email.SendEmailMessage>>>{ex.Message}", "EmailSendError");
return(false);
}
}
/// <summary>
/// C#发送邮件函数
/// </summary>
/// <param name="sfrom">发送者邮箱</param>
/// <param name="sfromer">发送人</param>
/// <param name="sto">接受者邮箱</param>
/// <param name="stoer">收件人</param>
/// <param name="sSubject">主题</param>
/// <param name="sBody">内容</param>
/// <param name="sfile">附件</param>
/// <param name="sSmtpHost">smtp服务器</param>
/// <param name="sSmtPuser">邮箱</param>
/// <param name="sSmtPpass">密码</param>
/// <returns>是否发送成功</returns>
public static bool SendMail(string sfrom, string sfromer, string sto, string stoer, string sSubject, string sBody, string sfile, string sSmtpHost, string sSmtPuser, string sSmtPpass)
{
try
{
////设置from和to地址
MailAddress from = new MailAddress(sfrom, sfromer);
MailAddress to = new MailAddress(sto, stoer);
////创建一个MailMessage对象
MailMessage oMail = new MailMessage(from, to);
//// 添加附件
if (sfile != "")
{
oMail.Attachments.Add(new Attachment(sfile));
}
////邮件标题
oMail.Subject = sSubject;
////邮件内容
oMail.Body = sBody;
////邮件格式
oMail.IsBodyHtml = true;
////邮件采用的编码
oMail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");
////设置邮件的优先级为高
oMail.Priority = MailPriority.High;
////发送邮件
SmtpClient client = new SmtpClient
{
Host = sSmtpHost,
Credentials = new NetworkCredential(sSmtPuser, sSmtPpass),
DeliveryMethod = SmtpDeliveryMethod.Network
};
////client.UseDefaultCredentials = false;
client.Send(oMail);
return(true);
}
catch (Exception ex)
{
//失败，错误信息：ex.Message;
CLog.EmailLog($"Email.SendMail>>>{ex.Message}", "EmailSendError");
return(false);
}
}
/// <summary>
/// C#发送邮件函数（用于阿里云服务器）
/// </summary>
/// <param name="sfrom">发送者邮箱</param>
/// <param name="sfromer">发送人</param>
/// <param name="sto">接受者邮箱</param>
/// <param name="stoer">收件人</param>
/// <param name="sSubject">主题</param>
/// <param name="sBody">内容</param>
/// <param name="sfile">附件</param>
/// <param name="sSmtpHost">smtp服务器</param>
/// <param name="sSmtPuser">邮箱</param>
/// <param name="sSmtPpass">密码</param>
/// <returns>是否发送成功</returns>
public static bool SendMailUseGmail(string sfrom, string sfromer, string sto, string stoer, string sSubject, string sBody, string sfile, string sSmtpHost, string sSmtPuser, string sSmtPpass)
{
#pragma warning disable 618
System.Web.Mail.MailMessage mail = new System.Web.Mail.MailMessage();
#pragma warning restore 618
try
{
mail.To = sto;
mail.From = sfrom;
mail.Subject = sSubject;
#pragma warning disable 618
mail.BodyFormat = System.Web.Mail.MailFormat.Html;
#pragma warning restore 618
mail.Body = sBody;
//身份验证
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1");
//邮箱登录账号，这里跟前面的发送账号一样就行
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", mail.From);
//这个密码要注意：如果是一般账号，要用授权码；企业账号用登录密码
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", sSmtPpass);
//端口
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserverport", 465);
//SSL加密
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpusessl", "true");
//企业账号用smtp.exmail.qq.com
#pragma warning disable 618
System.Web.Mail.SmtpMail.SmtpServer = sSmtpHost;
#pragma warning restore 618
#pragma warning disable 618
System.Web.Mail.SmtpMail.Send(mail);
#pragma warning restore 618
//邮件发送成功
return(true);
}
catch (Exception ex)
{
//失败，错误信息：ex.Message;
CLog.EmailLog($"Email.SendMailUseGmail>>>{ex.Message}", "EmailSendError");
return(false);
}
}
/// <summary>
/// 异常代码邮件发送
/// </summary>
/// <param name="toEmail">收件人</param>
/// <param name="title">邮件标题</param>
/// <param name="code">错误代码</param>
/// <returns>是否发送成功</returns>
public static bool SendErrorCodeEmail(string toEmail, string title, string code)
{
try
{
string error = "";
string method = "";
string errordetial = "";
string infot = "";
string titles = "";
switch (code)
{
#region 需要终止程序的异常情况
case "000":
titles = title + "-程序处理数据连续触发异常【000】";
error = titles;
method = "连续数据处理异常报警超过6次，程序终止";
errordetial = "需要终止程序的异常情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "001":
titles = title + "-程序请求数据连续触发异常【001】";
error = titles;
method = "连续数据请求异常报警超过144次，程序终止";
errordetial = "需要终止程序的异常情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
#endregion
#region 数据处理（非服务器响应的异常）
case "600":
titles = title + "-模板标识检测特殊异常【600】";
error = titles;
method = "异常模版检测标识总共超过50个（不包含空页面），程序休息24小时，累计出现指定次数，停止抓取，发送邮件给负责人";
errordetial = "拿到数据内容过不了特征标识，或者正则规则，Xpath检测等情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "601":
titles = title + "-模板请求为空【601】";
error = titles;
method = "模版请求为空连续超过50个，程序休息5分钟，累计出现指定次数，停止抓取，发送邮件给负责人";
errordetial = "拿到数据内容过不了特征标识，或者正则规则，Xpath检测等情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "602":
titles = title + "-模板请求无数据【602】";
error = titles;
method = "模板请求无数据连续超过50个（不包含空页面），程序休息5分钟，累计出现指定次数，停止抓取，发送邮件给负责人";
errordetial = "拿到数据内容过不了特征标识，或者正则规则，Xpath检测等情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "603":
titles = title + "-模板请求打码【603】";
error = titles;
method = "模板请求被打码连续超过50个（不包含空页面），程序休息5分钟，累计出现指定次数，停止抓取，发送邮件给负责人";
errordetial = "拿到数据内容过不了特征标识，或者正则规则，Xpath检测等情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "604":
titles = title + "-模板解析出错【604】";
error = titles;
method = "模板解析出错连续超过50个（不包含空页面），程序休息5分钟，累计出现指定次数，停止抓取,发送邮件给负责人";
errordetial = "解析数据提取过不了特征标识，或者正则规则，Xpath检测等情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
#endregion
#region 文件写入异常
case "700":
titles = title + "-文件写入异常【700】";
error = titles;
method = "文件写入失败连续超过30次，阻塞写入线程，爬虫休息30分钟，继续尝试写入。由监控程序监控";
errordetial = "文件写入异常";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "701":
titles = title + "-磁盘空间不足【701】";
error = titles;
method = "阻塞写入线程，爬虫休息30分钟，继续尝试写入。由监控程序监控";
errordetial = "磁盘空间不足";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "702":
titles = title + "-文件被占用【702】";
error = titles;
method = "阻塞写入线程，爬虫休息30分钟，继续尝试写入。由监控程序监控";
errordetial = "文件被占用";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "703":
titles = title + "-无文件写入权限【703】";
error = titles;
method = "阻塞写入线程，爬虫休息30分钟，继续尝试写入。由监控程序监控";
errordetial = "当前文件系统无写入权限";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "704":
titles = title + "-无法定位文件写入路径【704】";
error = titles;
method = "阻塞写入线程，爬虫休息30分钟，继续尝试写入。由监控程序监控";
errordetial = "获取不到该文件系统的写入路径";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
#endregion
#region 数据库操作异常
case "800":
titles = title + "-数据库操作异常【800】";
error = titles;
method = "数据库操作失败连续30次以上，阻塞数据库处理线程，将错误代码发送邮件给负责人，休息10分钟，继续尝试打开";
errordetial = "数据库操作异常";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "801":
titles = title + "-数据库空间已满【801】";
error = titles;
method = "阻塞数据库处理线程，连续30次以上，将错误代码发送邮件给负责人，休息10分钟，继续尝试打开";
errordetial = "数据库空间满了";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "802":
titles = title + "-数据库占用过高【802】";
error = titles;
method = "阻塞数据库处理线程，连续30次以上，将错误代码发送邮件给负责人，休息10分钟，继续尝试打开";
errordetial = "打不开数据库";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "803":
titles = title + "-数据库写入超时【803】";
error = titles;
method = "阻塞数据库处理线程，连续30次以上，将错误代码发送邮件给负责人，休息10分钟，继续尝试打开";
errordetial = "操作数据库超时";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "804":
titles = title + "-数据库操作失败【804】";
error = titles;
method = "阻塞数据库处理线程，连续30次以上，将错误代码发送邮件给负责人，休息10分钟，继续尝试打开";
errordetial = "数据库连接字符串等格式不规范造成";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
#endregion
#region 序内存溢出
case "900":
titles = title + "-程序内存溢出【900】";
error = titles;
method = "监控系统对无数据的时候进行反馈，由监控端通知给爬虫设计者，更新优化爬虫程序";
errordetial = "内存溢出，一般由于爬虫占用的系统内存资源不释放造成的";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
#endregion
#region 数据请求异常（服务器响应异常的情况）
case "504":
titles = title + "-网络错误【504】";
error = titles;
method =
"1.休息3秒，再次发送请求，连续30次以上，停止爬虫，将错误代码发送邮件给负责人<br>2.若某些站点是类似ID遍历这样的任务（部分请求本来就是无效，而不是站点有问题），则不采用第一条的办法";
errordetial = "请求超时";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "502":
titles = title + "-网络错误【502】";
error = titles;
method =
"1.休息3秒，再次发送请求，连续30次以上，停止爬虫，将错误代码发送邮件给负责人<br>2.若某些站点是类似ID遍历这样的任务（部分请求本来就是无效，而不是站点有问题），则不采用第一条的办法";
errordetial = "服务器接收错误响应";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "5xx":
titles = title + "-网络错误【5xx】";
error = titles;
method = "休息3秒，再次发送请求，连续30次以上，停止爬虫，将错误代码发送邮件给负责人";
errordetial = "服务器返回了非法的应答，对方服务器内部不可用，服务停止等原因造成的";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "429":
titles = title + "-网络错误【429】";
error = titles;
method = "将错误代码发给邮件负责人";
errordetial = "阿布云的请求过快出现的反馈信号";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "404":
titles = title + "-网络错误【404】";
error = titles;
method = "连续出现5次。1.跳过该页面，爬虫继续<br>2.若某些站点偶尔会出现请求不到内容，但请求多几次内容就会出现的情况，则不采用第一条的办法";
errordetial = "没有该页面";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "402":
titles = title + "-网络错误【402】";
error = titles;
method = "休息3秒，再次发送请求，连续30次以上，爬虫休息5分钟，将错误代码发送邮件给负责人";
errordetial = "主要是代理需要续费的情况";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "403":
titles = title + "-网络错误【403】";
error = titles;
method = "休息3秒，再次发送请求，连续30次以上，爬虫休息5分钟，将错误代码发送邮件给负责人";
errordetial = "此页面为前端禁止访问页面";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "401":
titles = title + "-网络错误【401】";
error = titles;
method = "连续出现1次。需要重新更新Cookies，继续该页面抓取。若还是出现错误，爬虫休息5分钟，将错误代码发送邮件给负责人";
errordetial = "未授权页面";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "4xx":
titles = title + "-网络错误【4xx】";
error = titles;
method = "休息3秒，再次发送请求，连续5次出现错误，则跳过该页面，爬虫继续。若出现连续10次跳过页面的情况，爬虫休息5分钟，将错误代码发送邮件给负责人";
errordetial = "服务器不能处理爬虫请求的格式内容，URL过长等问题";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "3xx":
titles = title + "-网络错误【3xx】";
error = titles;
method = "拿到服务器给出的调整地址，重新访问，如要登录请更新Cookies,进行访问，连续超过10次，放弃该页面请求，爬虫继续，将错误代码发送邮件给负责人";
errordetial = "服务器超链转移，一般是服务器有登录要求的网站";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "1xx":
titles = title + "-网络错误【1xx】";
error = titles;
method = "连续出现1次。有数据反馈就进行接收处理，无则放弃，爬虫继续";
errordetial = "该情况少见";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
case "x0x":
titles = title + "-数据请求未知明异常【x0x】";
error = titles;
method = "数据请求出现的服务器特殊异常，爬虫休息5分钟，将错误代码发送邮件给负责人，自行排查错误原因";
errordetial = "不在既定规则下产生的特殊异常";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
#endregion
default:
titles = title + "-程序未知明异常【xxx】";
error = titles;
method = "程序出现的特殊异常，爬虫休息5分钟，将错误代码发送邮件给负责人，自行排查错误原因";
errordetial = "不在既定规则下产生的特殊异常";
infot = string.Format(
"<strong>错误说明：</strong>{0}<br><strong>处理办法：</strong>{1}<br><strong>错误描述：</strong>{2}", error,
method, errordetial);
break;
}
return(SendMail(SFrom, SFromer, toEmail, "", titles, infot, "", SmtpHost, SmtPuser, SmtPpass));
}
catch (Exception ex)
{
CLog.EmailLog($"Email.SendErrorCodeEmail>>>{ex.Message}", "EmailSendError");
return(false);
}
}