PHP LOG使用心得(2)

迈不过友情╰ 2022-03-28 06:54 163阅读 0赞

<?php
    /**
    * create by :xiaojiang
    * PHP log 类  日志入库功能 仅供交流学习
    */
    
    class Config{
       public static function getConfig (){
          return array(
               'LOG_LEVEL'=>75  //INFO
          );
       }
    }
    class Log{
      
        private $LogFile;
        private $logLevel;
    
        const DEBUG  = 100;
        const INFO   = 75;
        const NOTICE = 50;
        const WARNING =25;
        const ERROR   = 10;
        const CRITICAL = 5;
        
        private function __construct(){}
    
        public static function getInstance($name){
            return Log::backendManager($name);
        }
       
        public static function register($app,$params){
            
            $urlDate = parse_url($params);
            if(!isset( $urlDate['scheme'])){
               throw Exception('invalid log connection');
            }
            @include('Logger/backend'.$urlDate['scheme'].'.class.php');
            $className = $urlDate['scheme'].'backend';
     
            if(!class_exists($className)){
               throw new Exception('invalid className '.$className);
            }
            $backObj = new $className($params);
            Log::backendManager($app,$backObj);
        }
        
        private static function backendManager($name,$obj = null){
          
             static $backends_arr;
    
             if(!isset($backends)){
                  $backends = null;
             }
             if(isset($obj)){
                  $backends_arr[$name] = $obj;
             }else{
                  if(!isset($backends_arr[$name])){
                      throw new Exception("the specified {
        $name} was not registered ");
                  }
                  return $backends_arr[$name];
             }
         
        }
    
    
        public function levelToString($logLevel){
             $ret = '[unknow]';
             switch ($logLevel){
                    case LOG::DEBUG:
                         $ret = 'LOG::DEBUG';
                         break;
                    case LOG::INFO:
                         $ret = 'LOG::INFO';
                         break;
                    case LOG::NOTICE:
                         $ret = 'LOG::NOTICE';
                         break;
                    case LOG::WARNING:
                         $ret = 'LOG::WARNING';
                         break;
                    case LOG::ERROR:
                         $ret = 'LOG::ERROR';
                         break;
                    case LOG::CRITICAL:
                         $ret = 'LOG::CRITICAL';
                         break;
             }
             return $ret;
        }
    }
    try{
       LOG::register('error','http://localhost?user_name=root&dbname=test&table=test&password=');
    }catch(Exception $e){
       echo $e->getMessage();
    }
    try{
        $logIns = LOG::getInstance('error');
    }catch(Exception $e){
       echo $e->getMessage();
    }
    $logIns->LogMessage('哈哈',Log::INFO,'test');
    
    /**
     *  文件 Logger/Httpbackend.class.php
     */
    
    
    class Httpbackend{
    
        public function __construct($params){
             
             $Date = parse_url($params);
             parse_str($Date['query'],$url_params);
             $this->db = @mysql_connect($Date['host'],$url_params['user_name'],$url_params['password']);
             if(!is_resource($this->db)){
                 throw new Exception('invalid db resource');
             }
             mysql_select_db($url_params['table'],$this->db);
             mysql_set_charset('utf8',$this->db); 
             $this->logLevel = Config::getConfig('LOG_LEVEL');
        }
        public function LogMessage($msg, $log_level = Log::info,$module=null){
           
              if($log_level > $this->logLevel) return ;
    
              $sql = "INSERT INTO test (`msg`,module,add_time) 
                      VALUES ('{
         $msg}','{
        $module}',unix_timestamp())";
              mysql_query($sql,$this->db);                
        }
    
    }
    ?>