c# 自定义异常类

using System; using System.Web; using System.IO; namespace Common { /// summary /// ExceptionLog 的摘要说明。 /// /summary public class ExceptionLog : ApplicationException { public ExceptionLog(string message) : base(message) { Init(); Log

using System;
using System.Web;
using System.IO;

namespace Common
{
///

/// ExceptionLog 的摘要说明。
///

public class ExceptionLog : ApplicationException
{
public ExceptionLog(string message)
: base(message)
{
Init();
Log();
}

public ExceptionLog(Exception inner)
{
ex = inner;
Init();
Log();
}

public Exception ex = null;

public override string Message
{
get
{
string msg = base.Message;
if (ex != null)
{
msg = ex.Message;
}
return msg;
}
}

string username = string.Empty;
public string UserName
{
get
{
return username;
}
set
{
username = value;
}
}

string userAgent = string.Empty;
public string UserAgent
{
get
{
return userAgent;
}
set
{
userAgent = value;
}
}

string ipAddress = string.Empty;
public string IPAddress
{
get
{
return ipAddress;
}
set
{
ipAddress = value;
}
}

string httpReferrer = string.Empty;
public string HttpReferrer
{
get
{
return httpReferrer;
}
set
{
httpReferrer = value;
}
}

string httpVerb = string.Empty;
public string HttpVerb
{
get
{
return httpVerb;
}
set
{
httpVerb = value;
}
}

string httpPathAndQuery = string.Empty;
public string HttpPathAndQuery
{
get
{
return httpPathAndQuery;
}
set
{
httpPathAndQuery = value;
}
}

DateTime dateCreated;
public DateTime DateCreated
{
get
{
return dateCreated;
}
set
{
dateCreated = value;
}
}

void Init()
{
DateCreated = DateTime.Now;
if (HttpContext.Current.Request.UrlReferrer != null)
httpReferrer = HttpContext.Current.Request.UrlReferrer.ToString();

if (HttpContext.Current.Request.UserAgent != null)
userAgent = HttpContext.Current.Request.UserAgent;

if (HttpContext.Current.Request.UserHostAddress != null)
ipAddress = HttpContext.Current.Request.UserHostAddress;

try
{
if (HttpContext.Current.Request != null
&& HttpContext.Current.Request.RequestType != null)
httpVerb = HttpContext.Current.Request.RequestType;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}

if (HttpContext.Current.Request != null
&& HttpContext.Current.Request.Url != null
&& HttpContext.Current.Request.Url.PathAndQuery != null)
httpPathAndQuery = HttpContext.Current.Request.Url.PathAndQuery;

if (HttpContext.Current.Request != null
&& HttpContext.Current.Request.UrlReferrer != null
&& HttpContext.Current.Request.Url.PathAndQuery != null)
httpReferrer = HttpContext.Current.Request.UrlReferrer.ToString();
}

public void Log()
{
string LogName = DateTime.Now.ToShortDateString() + ".txt";
string FilePath = HttpContext.Current.Request.PhysicalApplicationPath + "//Log//" + LogName;
if (!File.Exists(FilePath))
{
using (StreamWriter sw = File.CreateText(FilePath))
{

sw.WriteLine("Fields :Value");
sw.WriteLine();
}
}
using (StreamWriter sw = File.AppendText(FilePath))
{
sw.WriteLine("======================================");
sw.WriteLine("DateTime :" + this.DateCreated);
sw.WriteLine("Message :" + this.Message);
sw.WriteLine("IPAddress :" + this.IPAddress);
sw.WriteLine("HttpReferrer :" + this.HttpReferrer);
sw.WriteLine("HttpVerb :" + this.HttpVerb);
sw.WriteLine("HttpPathAndQuery :" + this.HttpPathAndQuery);
sw.WriteLine("UserName :" + this.UserName);
sw.WriteLine("UserAgent :" + this.UserAgent);
sw.WriteLine();
}

}
}
}

//页面引用

try

{

}

catch (Exception ex)
{
throw new Common.ExceptionLog(ex);
}