一个很精妙的PHP日志操作类classLogs{
private$FilePath;
private$FileName;
private$m_MaxLogFileNum;
private$m_RotaType;
private$m_RotaParam;
private$m_InitOk;
private$m_Priority;
private$m_LogCount;
/
@abstract初始化
@paramString$dir文件路径
@paramString$filename文件名
@return
/
functionLogs($dir,$filename,$priority=Logs::INFO,$maxlogfilenum=3,$rotatype=1,$rotaparam=5000000)
{
$dot_offset=strpos($filename,".");
if($dot_offset!==false)
$this->FileName=substr($filename,0,$dot_offset);
else
$this->FileName=$filename;
$this->FilePath=$dir;
$this->m_MaxLogFileNum=intval($maxlogfilenum);
$this->m_RotaParam=intval($rotaparam);
$this->m_RotaType=intval($rotatype);
$this->m_Priority=intval($priority);
$this->m_LogCount=0;
$this->m_InitOk=$this->InitDir();
umask(0000);
$path=$this->createPath($this->FilePath,$this->FileName);
if(!$this->isExist($path))
{
if(!$this->createDir($this->FilePath))
{
#echo("创建目录失败!");
}
if(!$this->createLogFile($path)){
#echo("创建文件失败!");
}
}
}
privatefunctionInitDir()
{
if(is_dir($this->FilePath)===false)
{
if(!$this->createDir($this->FilePath))
{
//echo("创建目录失败!");
//throwexception
returnfalse;
}
}
returntrue;
}
/
@abstract写入日志
@paramString$log内容
/
functionsetLog($log)
{
$this->Log(Logs::NOTICE,$log);
}
functionLogDebug($log)
{
$this->Log(Logs::DEBUG,$log);
}
functionLogError($log)
{
$this->Log(Logs::ERROR,$log);
}
functionLogNotice($log)
{
$this->Log(Logs::NOTICE,$log);
}
functionLog($priority,$log)
{
if($this->m_InitOk==false)
return;
if($priority>$this->m_Priority)
return;
$path=$this->getLogFwww.shanxiwang.netilePath($this->FilePath,$this->FileName).".log";
$handle=@fopen($path,"a+");
if($handle===false)
{
return;
}
$datestr=strftime("%Y-%m-%d%H:%M:%S");
$caller_info=$this->get_caller_info();
//var_dump($caller_info);
if(!@fwrite($handle,$caller_info.$datestr.$log."\n")){//写日志失败
//echo("写入日志失败");
}
@fclose($handle);
$this->RotaLog();
}
privatefunctionget_caller_info()
{
$ret=debug_backtrace();
foreach($retas$item)
{
if(isset($item[''class''])&&''Logs''==$item[''class''])
{
continue;
}
$file_name=basename($item[''file'']);
return<<
{$file_name}:{$item[''line'']}
S;
}
}
privatefunctionRotaLog()
{
$file_path=$this->getLogFilePath($this->FilePath,$this->FileName).".log";
if($this->m_LogCount%10==0)
clearstatcache();
++$this->m_LogCount;
$file_stat_info=stat($file_path);
if($file_stat_info===FALSE)
return;
if($this->m_RotaType!=1)
return;
//echo"file:".$file_path."vs".$this->m_RotaParam."\n";
if($file_stat_info[''size'']<$this->m_RotaParam)
return;
$raw_file_path=$this->getLogFilePath($this->FilePath,$this->FileName);
$file_path=$raw_file_path.($this->m_MaxLogFileNum-1).".log";
//echo"lastestfile:".$file_path."\n";
if($this->isExist($file_path))
{
unlink($file_path);
}
for($i=$this->m_MaxLogFileNum-2;$i>=0;$i--)
{
if($i==0)
$file_path=$raw_file_path.".log";
else
$file_path=$raw_file_path.$i.".log";
if($this->isExist($file_path))
{
$new_file_path=$raw_file_path.($i+1).".log";
if(rename($file_path,$new_file_path)<0)
{
continue;
}
}
}
}
functionisExist($path){
returnfile_exists($path);
}
/
@abstract创建目录
@param$dir目录名
@returnbool
/
functioncreateDir($dir){
returnis_dir($dir)or($this->createDir(dirname($dir))and@mkdir($dir,0777));
}
/
@abstract创建日志文件
@paramString$path
@returnbool
/
functioncreateLogFile($path){
$handle=@fopen($path,"w");//创建文件
@fclose($handle);
return$this->isExist($path);
}
/
@abstract创建路径
@paramString$dir目录名
@paramString$filename
/
functiongetLogFilePath($dir,$filename){
return$dir."/".$filename;
}
constEMERG=0;
constFATAL=0;
constALERT=100;
constCRIT=200;
constERROR=300;
constWARN=400;
constNOTICE=500;
constINFO=600;
constDEBUG=700;
}
?>
使用方法：
require("../log.class.php");
$log_path=DEBUG_LOG_PATH.''account_check/'';
$log_file_name=''debug.log'';
$log_obj=newLogs($log_path,$log_file_name);
$log_obj->setLog("paramis:userid:{$userip},account:{$account},pwd:{$pwd},rid:{$rid}");
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