C#.NET Log操作

 

代码
   
     
using System;
using System.Text;
using System.Web;
using System.IO;
using System.Collections;
using System.Threading;

namespace Pub.Class
{
/// <summary>
/// 日志管理类
/// </summary>
public class Log
{
private static object lockHelper = new object ();
#region Write/Read
/// <summary>
/// 写日志
/// </summary>
/// <param name="LogFileName"> 文件 </param>
/// <param name="Strings"> 消息 </param>
public static bool Write( string fileName, string str) {
return Write(fileName, str, " utf-8 " );
}
/// <summary>
/// 写日志gb2312 UTF-8
/// </summary>
/// <param name="fileName"> 文件 </param>
/// <param name="str"> 消息 </param>
/// <param name="encoding"> 编码gb2312 UTF-8 </param>
public static bool Write( string fileName, string str, string encoding){
bool _isTrue = false ;
lock (lockHelper) {
System.IO.FileStream f
= null ;
System.IO.StreamWriter f2
= null ;
try {
if ( ! System.IO.File.Exists(fileName)) { f = System.IO.File.Create(fileName); f.Close(); f.Dispose(); f = null ; }
f2
= new System.IO.StreamWriter(fileName, true , System.Text.Encoding.GetEncoding(encoding));
f2.WriteLine(str);
_isTrue
= true ;
}
catch { } finally {
if (f != null ) { f.Close(); f.Dispose(); f = null ; }
if (f2 != null ) { f2.Close(); f2.Dispose(); f2 = null ; }
}
}
return _isTrue;
}
/// <summary>
/// 读取文件中的内容
/// </summary>
/// <param name="fileName"> 文件 </param>
/// <param name="encoding"> 编码gb2312 UTF-8 </param>
/// <returns> ArrayList </returns>
public static ArrayList Read( string fileName, string encoding){
string lineText = null ;ArrayList txtTextArr = new ArrayList();
if ( ! FileFolder.FileExists(fileName)) { txtTextArr = null ; return txtTextArr; }

lock (lockHelper) {
StreamReader reader
= encoding.Equals( "" ) ? new StreamReader(fileName) : new StreamReader(fileName, System.Text.Encoding.GetEncoding(encoding));
while ((lineText = reader.ReadLine()) != null ){
txtTextArr.Add(lineText);
}

reader.Close();
reader.Dispose();
}
return txtTextArr;
}
/// <summary>
/// 读取指定文件内容
/// </summary>
/// <param name="fileName"> 文件路径 </param>
/// <param name="encoding"> 编码 </param>
/// <returns></returns>
public static StringBuilder ReadFile( string fileName, string encoding){
string lineText = null ;StringBuilder txtTextArr = new StringBuilder();
if ( ! FileFolder.FileExists(fileName)) { txtTextArr = null ; return txtTextArr; }

lock (lockHelper) {
StreamReader reader
= encoding.Equals( "" ) ? new StreamReader(fileName) : new StreamReader(fileName, System.Text.Encoding.GetEncoding(encoding));
while ((lineText = reader.ReadLine()) != null ){
txtTextArr.Append(lineText
+ Environment.NewLine);
}

reader.Close();
reader.Dispose();
}
return txtTextArr;
}
#endregion
}
}

 

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