开源的多文件上传采用JavaScript插件

<?php $f_type=strtolower("swf,rar,jpg,zip,7z,iso,gif,exe");//设置可上传的文件类型 $result = array(); function GetIP() { //获取IP if ($_SERVER["HTTP_X_FORWARDED_FOR"]) $ip = $_SERVER["HTTP_X_FORWARDED_FOR"]; else if ($_SERVER["HTTP_CLIENT_IP"]) $ip = $_SERVER["HTTP_CLIENT_IP"]; else if ($_SERVER["REMOTE_ADDR"]) $ip = $_SERVER["REMOTE_ADDR"]; else if (getenv("HTTP_X_FORWARDED_FOR")) $ip = getenv("HTTP_X_FORWARDED_FOR"); else if (getenv("HTTP_CLIENT_IP")) $ip = getenv("HTTP_CLIENT_IP"); else if (getenv("REMOTE_ADDR")) $ip = getenv("REMOTE_ADDR"); else $ip = "Unknown"; return $ip; } if (isset($_FILES['photoupload']) ) { $file = $_FILES['photoupload']['tmp_name']; $error = false; $size = false; if (!is_uploaded_file($file) || ($_FILES['photoupload']['size'] > 20000 * 1024 * 1024) ) { $error = 'Please upload only files smaller than 2Mb!'; } $f_name=$_FILES['photoupload']['name']; $tmp_type=substr(strrchr($f_name,"."),1);//获取文件扩展名 $tmp_type=strtolower($tmp_type); if(!stristr($f_type,$tmp_type)){ $error="对不起，不能上传格式为：".$tmp_type."的文件：".$f_name; } $addr =GetIP(); $log = fopen('script.log', 'a'); fputs($log, ($error ? 'FAILED' : 'SUCCESS') . ' - ' .$addr. ": {$_FILES['photoupload']['name']} - {$_FILES['photoupload']['size']} byte\n" ); fclose($log); if ($error) { $result['result'] = 'failed'; $result['error'] =$error; } else { /*$string = 'abcdefghijklmnopgrstuvwxyz0123456789'; $rand = ''; for ($x=0;$x<12;$x++) $rand .= substr($string,mt_rand(0,strlen($string)-1),1); $t=date("ymdHis").substr($gettime[0],2,6).$rand;*/ $attdir="file/"; if(!is_dir($attdir)) { mkdir($attdir);} // $uploadfile=$attdir.$t.".".$tmp_type; $newfourm=iconv('utf-8','gbk',$f_name); $uploadfile=$attdir.$newfourm; if(move_uploaded_file($_FILES['photoupload']['tmp_name'], $uploadfile)){ $result['result'] = 'success'; $result['size'] =$f_name."文件上传成功"; } else{ $result['result'] = 'failed'; $result['error'] =$f_name."上传失败"; } } } else { $result['result'] = 'error'; $result['error'] = 'Missing file or internal error!'; } if (!headers_sent() ) { header('Content-type: application/json'); } echo json_encode($result); ?>