datetime = date('Y-m-d H:i:s'); $this->file_common = $logconfig['common']; $this->file_debug = $logconfig['debug']; } //普通日志 public function filelog($log, $filepath = '', $clear = false){ if(empty($filepath)) $this->logfile = $this->file_common; else $this->logfile = $filepath; if($this->checkfile()){ $content = date('Y-m-d H:i:s').' '; $content .= $log."\r\n"; $this->writefile($content, $clear); } } //调试日志 public function debug($log, $is_exit = false){ $this->logfile = $this->file_debug; if($this->checkfile()){ $content = date('Y-m-d H:i:s').' '; $content .= $log."\r\n"; $this->writefile($content); } if($is_exit) exit(); } //清空日志2018/4/17 public function clear($filepath){ if($filepath == 'common') $this->logfile = $this->file_common; elseif($filepath == 'debug') $this->logfile = $this->file_debug; else $this->logfile = $filepath; self::writefile('', true); return action_msg('清空成功', 1); } //读取日志2018/4/17 public function read($filepath){ if($filepath == 'common') $this->logfile = $this->file_common; elseif($filepath == 'debug') $this->logfile = $this->file_debug; else $this->logfile = $filepath; $file = $this->logfile; if(file_exists($file)){ $filesize = filesize($file); if($filesize > 2 * 1024 * 1024){ $errmsg = '日志文件已超过限制（限2M，实际'.round($filesize/1024*1024).'M），请及时清理！'; throw new myException($errmsg, 1101); }elseif($filesize == 0){ $errmsg = '日志文件为空！'; throw new myException($errmsg, 1102); }else{ $fp = fopen($file, "r"); $str = fread($fp, $filesize); $str = str_replace("\r\n", "
", $str); return action_msg($str, 1); } }else{ $errmsg = '日志文件读取失败，请检查文件是否存在或路径是否正确。'; throw new myException($errmsg, 1103); } } //检查文件 private function checkfile(){ $file = $this->logfile; if($this->isExistFile()){ //如果日志文件大小超过预期，就把当前的日志文件重命名，再新建一个日志文件 $filesize = $this->getFileSize(); $filepathinfo = $this->getFilePathInfo(); if($filesize > $this->maxlogfilesize * 1024 * 1024){ $dir = $filepathinfo['dirname']; $name = $filepathinfo['filename']; $newname = $dir.'/'.$name.time().'.log'; rename($file, $newname); $this->buildfile($file); } //检查文件是否可写 if(!is_writeable($file)){ $errmsg = '文件'.$file.'不可写'; throw new myException($errmsg, 901); } }else{ $errmsg = '文件'.$file.'不存在，并且尝试创建该文件失败'; throw new myException($errmsg, 902); } return true; } //检查文件是否存在，不存在则尝试新建 private function isExistFile(){ $file = $this->logfile; if(!is_file($file)) { if($this->buildfile()) return true; return false; } return true; } //新建文件 //@return 建立成功true 建立失败false private function buildfile($newfile = ''){ if(empty($newfile)){ $file = $this->logfile; }else{ $file = $newfile; $this->logfile = $newfile; } if($this->checkDir()){ if(touch($file)) return true; else{ return false; } }else{ return false; } } //检查文件所在目录的存在与可写 private function checkDir(){ $file = $this->logfile; $dir = pathinfo($file, PATHINFO_DIRNAME); if($dir){ if(!is_writeable($dir)){ return false; }else{ return true; } }else{ return false; } } //得到文件大小 private function getFileSize(){ $file = $this->logfile; return filesize($file); } //得到文件信息 private function getFilePathInfo(){ $file = $this->logfile; return pathinfo($file); } //写入文件 private function writefile($content, $clear = false){ $file = $this->logfile; if($clear){ $mode = 'w'; }else{ $mode = 'a'; } $file_h = fopen($file, $mode); fwrite($file_h, $content); fclose($file_h); } } ?>