学步园

IAppLog.cs

 using System;

namespace Bx.Web.Common.FileLog
{
    /**//// <summary>
    /// Summary description for IAppLog.
    /// </summary>
    public interface IAppLog
    {
        string GetName();
        bool Clear();
        bool LineFeed();
        bool Write( string strBuffer );
        bool WriteEvent( string strEvent, int nType, bool bLineFeed );
        bool WriteInformation( string strEvent );
        bool WriteWarning( string strEvent );
        bool WriteError( string strEvent );
        bool WriteError( string strWhere, string strEvent );
    }
}

AppLog.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Configuration;
using System.Reflection;

namespace Bx.Web.Common.FileLog
{
    /**//// <summary>
    /// 
    /// </summary>
    public class AppLog : IAppLog
    {
        public AppLog()
        {
            // 
            // TODO: Add constructor logic here
            //
        }

        public string GetName()
        {
            return "";
        }

        public bool Clear()
        {
            return true;
        }

        public bool LineFeed()
        {
            return true;
        }

        public bool Write( string strBuffer )
        {
            return true;
        }

        public bool WriteEvent( string strEvent, int nType, bool bLineFeed )
        {
            //拼成字符串
            const string strNull = "<NULL>";
            StringBuilder sbEvent = new StringBuilder();

            sbEvent.Append( '\x1b' );

            if( nType == (int)EventLogEntryType.Warning )
                sbEvent.Append( "W " );
            else if( nType == (int)EventLogEntryType.Error )
                sbEvent.Append( "E " );
            else
                sbEvent.Append( "I " );

            //获取时间
            DateTime dtCur = DateTime.Now;
            string strCurTime = dtCur.ToString( "yyyyMMdd HHmmss" );
            sbEvent.Append( strCurTime );

            //填入事件字符串
            if( strEvent == null || strEvent.Length == 0 )
            {
                sbEvent.Append( strNull );
            }
            else
            {
                sbEvent.Append( strEvent );
            }

            //换行 & 回车
            if( bLineFeed ) sbEvent.Append( "\x0d\x0a" );

            return do_Write( sbEvent.ToString() );
        }

        public bool WriteInformation( string strEvent )
        {
            return WriteEvent( strEvent, (int)EventLogEntryType.Information, true );
        }

        public bool WriteWarning( string strEvent )
        {
            return WriteEvent( strEvent, (int)EventLogEntryType.Warning, true );
        }

        public bool WriteError( string strEvent )
        {
            return WriteEvent( strEvent, (int)EventLogEntryType.Error, true );
        }

        public bool WriteError( string strWhere, string strEvent )
        {
            StringBuilder sbMsg = new StringBuilder();
            sbMsg.Append( strWhere );
            sbMsg.Append( " " );
            sbMsg.Append( strEvent );

            return WriteEvent( sbMsg.ToString(), (int)EventLogEntryType.Error, true );
        }

        //负责写到文件里面
        protected bool do_Write( string strEvent )
        {
            try
            {
                //获取文件名
                string strTmp = System.Configuration.ConfigurationSettings.AppSettings["LogFileFullName"];
                string strFileName = String.Format(strTmp, DateTime.Now.ToString("yyyyMMdd"));
                
                if( !File.Exists( strFileName ) )
                {
                    System.IO.Directory.CreateDirectory( new System.IO.FileInfo( strFileName).DirectoryName );    //建立目录结构。
                }
                
                //写文件
            
                StreamWriter swFile = File.AppendText( strFileName );
                swFile.Write( strEvent );
                swFile.Close();
                return true;
            }
            catch( Exception ex )
            {
                Debug.WriteLine( ex.ToString() );
                return false;
            }
        }

        public static string GetFields(object obj)
        {
            Type currentType = obj.GetType();

            FieldInfo[] fields;
            //string fieldName;
            string fieldStr = string.Empty;

            fields = currentType.GetFields(
                    BindingFlags.NonPublic |
                    BindingFlags.Instance |
                    BindingFlags.Public);
            foreach (FieldInfo field in fields)
            {
                object value = field.GetValue(obj);
                string strPropertyName = field.Name;

                if (value != null && value.ToString() != string.Empty)
                {
                    if (fieldStr != null && fieldStr.ToString() != string.Empty)
                    {
                        fieldStr += ", " + strPropertyName + "=" + value.ToString();
                    }
                    else
                    {
                        fieldStr += strPropertyName + "=" + value.ToString();
                    }
                }
            }
            return fieldStr;
        }
    }
}

WebLog.cs

using System;
using System.Collections.Generic;
using System.Text;

using Bx.Web.Common.FileLog;

namespace Bx.Web.Common
{
    public class WebLog
    {
        private static AppLog appLog = new AppLog();


        /**//// <summary>
        /// 获取网站Log文件
        /// </summary>
        public static IAppLog LogFile
        {
            get