hxp
2025-06-04 f4a514d5ac952110da846636ecbb9de951eaf3d2
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<?php
namespace Log4Me;
#´´½¨ÈÕÆÚ£º2012-4-13 ÏÂÎç4:10:48
#×÷Õߣºxcc
#ÅäÖÃÎļþ¶ÁÈ¡Æ÷
#date_default_timezone_set('PRC');
 
const LOG_LEVEL_DEBUG = 0;   
const LOG_LEVEL_INFO = 1;
const LOG_LEVEL_WARN = 2;
const LOG_LEVEL_ERROR = 3;
const LOG_LEVEL_FATAL = 4;
 
 
const WRITE_MODE_PERDAY = 0;  //°´ÌìдÈÕÖ¾
const WRITE_MODE_PERHOUR = 1; //°´Ð¡Ê±Ð´ÈÕÖ¾
 
const DEF_LOG_LEVEL = LOG_LEVEL_INFO;    //ĬÈÏDebugµÈ¼¶
const DEF_WRITE_MODE = WRITE_MODE_PERDAY; //ĬÈϰ´ÌìдÈÕÖ¾
 
$LOG_LEVEL_STR_ARRAY = array('Debug', 'Info', 'Warn', 'Error', 'Fatal');
 
class Log4Me
{
    private $m_sDir;
    private $m_sFileName;
    private $m_LOG_LEVEL;
    private $m_WRITE_MODE;
    private $m_sFullLogPath;  //ÍêÕûÈÕ־·¾¶
    private $m_sAffixStr;
    function __construct($dir, $fileName, $logLev = DEF_LOG_LEVEL, $writeMode = DEF_WRITE_MODE)
    {
        $this->m_sDir = $dir;          
        $this->m_sFileName = $fileName;
        $this->m_LOG_LEVEL = $logLev;
        $this->m_WRITE_MODE = $writeMode;
        $this->m_sFullLogPath = '';
    }
    
    private function _check_and_create_new_log_file()
    {
        $bCreate = false;
        $curLogPath = '';
        if ($this->m_WRITE_MODE === WRITE_MODE_PERDAY)
        {
            $curLogPath = sprintf("%s\\%s_%s.log", $this->m_sDir, $this->m_sFileName, date("Ymd"));
        }
        else {
            //Èç¹ûΪ¿Õ£¬¾Í´´½¨ÈÕÖ¾
            $curLogPath = sprintf("%s\\%s\\%s_%s.log", $this->m_sDir, date("Ymd"), $this->m_sFileName, date("H"));
        }
                    
        //Èç¹ûΪ¿Õ£¬¾Í´´½¨ÈÕÖ¾
        if ($this->m_sFullLogPath === '')
        {
            $bCreate = true;
        }
        else 
        {
            //ÈÕÆÚ¸Ä±äÁË£¬ÐèÒª´´½¨ÐÂÈÕÖ¾
            if ($curLogPath != $this->m_sFullLogPath)
            {
                $bCreate = true;
            }
        }
        
        if ($bCreate)
        {    
            //²»´æÔÚÎļþ¼Ð£¬´´½¨
            file_exists($dir = dirname($curLogPath)) || mkdir($dir, 0777, true);
            $this->m_sFullLogPath = $curLogPath;
        }
    }
    
    private function _log($info, $level)
    {
        global $LOG_LEVEL_STR_ARRAY;
        //µÈ¼¶µÍÓÚµ±Ç°ÉèÖõÄÈÕÖ¾µÈ¼¶£¬²»Ð´ÈÕÖ¾
        if ($level < $this->m_LOG_LEVEL)
        {
            return;
        }
        
        //¼ì²éÊÇ·ñÐèÒªÖØÐ´´½¨ÈÕÖ¾Îļþ£¬Èç¹ûÐèÒª¾Í´´½¨
        $this->_check_and_create_new_log_file();
        //дÈÕÖ¾
        if (empty($this->m_sAffixStr))
        {
            $info = sprintf("%s\t%s\t%s\r\n", date("Y-m-dTH:i:s"), $LOG_LEVEL_STR_ARRAY[$level], $info);
        }
        else
        {
            $info = sprintf("%s\t%s\t%s\t%s\r\n", date("Y-m-dTH:i:s"), $LOG_LEVEL_STR_ARRAY[$level], 
                            $this->m_sAffixStr, $info);
        }
        file_put_contents($this->m_sFullLogPath, $info, FILE_APPEND);
    }
    
    //ÉèÖø½¼Ó×Ö·û´®
    public function SetAffixStr($affix)
    {
        $this->m_sAffixStr = $affix;
    }
    //»ñÈ¡¸½¼Ó×Ö·û´®
    public function GetAffixStr()
    {
        return $this->m_sAffixStr;
    }
    
    public function Debug($info)
    {
        $this->_log($info, LOG_LEVEL_DEBUG);
    }
    
    public function Info($info)
    {
        $this->_log($info, LOG_LEVEL_INFO);
    }
    
    public function Warn($info)
    {
        $this->_log($info, LOG_LEVEL_WARN);
    }
    
    public function Error($info)
    {
        $this->_log($info, LOG_LEVEL_ERROR);
    }
    
    public function Fatal($info)
    {
        $this->_log($info, LOG_LEVEL_FATAL);
    }
}
 
?>