C#自定義異常處理類1【轉載】

 

//自定義異常處理類
using System;
using System.Diagnostics;

namespace MyAppException
{
 
/// <summary>
 
/// 從系統異常類ApplicationException繼承的應用程序異常處理類。
 
/// 自動將異常內容記錄到Windows NT/2000的應用程序日誌
 
/// </summary>
 public class AppException:System.ApplicationException
 {
  
public AppException()
  {
   
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出現一個未知錯誤。");
  }

 
public AppException(string message)
 {
  LogEvent(message);
 }

 
public AppException(string message,Exception innerException)
 {
  LogEvent(message);
  
if (innerException != null)
  {
   LogEvent(innerException.Message);
  }
 }
}
}

//日誌記錄類
 using System;
 
using System.Configuration;
 
using System.Diagnostics;
 
using System.IO;
 
using System.Text;
 
using System.Threading;

 
namespace MyEventLog
 {
  
/// <summary>
  
/// 事件日誌記錄類,提供事件日誌記錄支持
  
/// <remarks>
  
/// 定義了4個日誌記錄方法 (error, warning, info, trace)
  
/// </remarks>
  
/// </summary>
  public class ApplicationLog
  {
   
/// <summary>
   
/// 將錯誤信息記錄到Win2000/NT事件日誌中
   
/// <param name="message">需要記錄的文本信息</param>
   
/// </summary>
   public static void WriteError(String message)
   {
    WriteLog(TraceLevel.Error, message);
   }

   
/// <summary>
   
/// 將警告信息記錄到Win2000/NT事件日誌中
   
/// <param name="message">需要記錄的文本信息</param>
   
/// </summary>
   public static void WriteWarning(String message)
   {
    WriteLog(TraceLevel.Warning, message);  
   }

   
/// <summary>
   
/// 將提示信息記錄到Win2000/NT事件日誌中
   
/// <param name="message">需要記錄的文本信息</param>
   
/// </summary>
   public static void WriteInfo(String message)
   {
    WriteLog(TraceLevel.Info, message);
   }
   
/// <summary>
   
/// 將跟蹤信息記錄到Win2000/NT事件日誌中
   
/// <param name="message">需要記錄的文本信息</param>
   
/// </summary>
   public static void WriteTrace(String message)
   {
    WriteLog(TraceLevel.Verbose, message);
   }

   
/// <summary>
   
/// 格式化記錄到事件日誌的文本信息格式
   
/// <param name="ex">需要格式化的異常對象</param>
   
/// <param name="catchInfo">異常信息標題字符串.</param>
   
/// <retvalue>
   
/// <para>格式後的異常信息字符串,包括異常內容和跟蹤堆棧.</para>
   
/// </retvalue>
   
/// </summary>
   public static String FormatException(Exception ex, String catchInfo)
   {
    StringBuilder strBuilder
= new StringBuilder();
    
if (catchInfo != String.Empty)
    {
     strBuilder.Append(catchInfo).Append(
"\r\n");
    }
    strBuilder.Append(ex.Message).Append(
"\r\n").Append(ex.StackTrace);
    
return strBuilder.ToString();
   }

   
/// <summary>
   
/// 實際事件日誌寫入方法
   
/// <param name="level">要記錄信息的級別(error,warning,info,trace).</param>
   
/// <param name="messageText">要記錄的文本.</param>
   
/// </summary>
   private static void WriteLog(TraceLevel level, String messageText)
   {
    
try
    {
     EventLogEntryType LogEntryType;
     
switch (level)
     {
      
case TraceLevel.Error:
       LogEntryType
= EventLogEntryType.Error;
       
break;
      
case TraceLevel.Warning:
       LogEntryType
= EventLogEntryType.Warning;
       
break;
      
case TraceLevel.Info:
       LogEntryType
= EventLogEntryType.Information;
       
break;
      
case TraceLevel.Verbose:
       LogEntryType
= EventLogEntryType.SuccessAudit;
       
break;
      
default:
       LogEntryType
= EventLogEntryType.SuccessAudit;
       
break;
     }

     EventLog eventLog
= new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
     
//寫入事件日誌
     eventLog.WriteEntry(messageText, LogEntryType);

    }
   
catch {} //忽略任何異常
  }
 }
//class ApplicationLog
}


發佈了9 篇原創文章 · 獲贊 4 · 訪問量 5萬+
發表評論
所有評論
還沒有人評論,想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章