PHP日志Class，抄来的一个php日志类，略有修改
使用实例
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<?php require_once 'log.php'; //初始化日志 $logHandler= new CLogFileHandler("../logs/".date('Y-m-d')."/".date('Y-m-d-H-i-s').'.log'); // 日志保存位置 $log = Log::Init($logHandler, 15); // 测试数据 $arr = array('s1'=>2, 's3'=>8); // 测试一 Log::DEBUG("query:" . json_encode($arr)); Log::DEBUG("SUCCESS"); // 测试二 Log::INFO("query:" . json_encode($arr)); Log::INFO("支付成功"); // 测试三 Log::WARN("query:" . json_encode($arr)); Log::WARN("支付出错"); // 测试四 Log::ERROR("query:" . json_encode($arr)); Log::ERROR('程序出错'); |
PHP日志类
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<?php // log.php 以下为日志类 interface ILogHandler { public function write($msg); } class CLogFileHandler implements ILogHandler { private $handle = null; public function __construct($file = '') { $position = strrpos($file,'/'); $path = substr($file,0,$position); if(!file_exists($path)){ if(!mkdir($path,0777,true)){ //创建目录 throw new Exception("Failed to create directory!"); } } $this->handle = fopen($file,'a'); } public function write($msg) { fwrite($this->handle, $msg, 4096); } public function __destruct() { fclose($this->handle); } } class Log { private $handler = null; private $level = 15; private static $instance = null; private function __construct(){} private function __clone(){} public static function Init($handler = null,$level = 15) { if(!self::$instance instanceof self) { self::$instance = new self(); self::$instance->__setHandle($handler); self::$instance->__setLevel($level); } return self::$instance; } private function __setHandle($handler){ $this->handler = $handler; } private function __setLevel($level) { $this->level = $level; } public static function DEBUG($msg) { self::$instance->write(1, $msg); } public static function WARN($msg) { self::$instance->write(4, $msg); } public static function ERROR($msg) { $debugInfo = debug_backtrace(); $stack = "["; foreach($debugInfo as $key => $val){ if(array_key_exists("file", $val)){ $stack .= ",file:" . $val["file"]; } if(array_key_exists("line", $val)){ $stack .= ",line:" . $val["line"]; } if(array_key_exists("function", $val)){ $stack .= ",function:" . $val["function"]; } } $stack .= "]"; self::$instance->write(8, $stack . $msg); } public static function INFO($msg) { self::$instance->write(2, $msg); } private function getLevelStr($level) { switch ($level) { case 1: return 'debug'; break; case 2: return 'info'; break; case 4: return 'warn'; break; case 8: return 'error'; break; default: } } protected function write($level,$msg) { if(($level & $this->level) == $level ) { $msg = '['.date('Y-m-d H:i:s').']['.$this->getLevelStr($level).'] '.$msg."\n"; $this->handler->write($msg); } } } |