class upload { public $savepath; public $files; private $error;
function __construct($inputname ='files', $savepath = '', $savename = '', $alowexts = array(),$maxsize = 1024000) { if(!$alowexts)$alowexts=explode('|',upload_ftype); $file_array=array(); $savepath=str_replace('','/',$savepath); $savename=preg_replace('/[^a-z0-9_]+/i','',$savename); $this->savepath=substr($savepath,-1)=='/'?$savepath:$savepath.'/'; //路径名以/结尾
if(!make_dir($this->savepath)) { $this->error=8; $this->error(); } //exit($this->savepath); if(!is_writeable($this->savepath)) { $this->error=9; $this->error(); } if(sizeof($_files[$inputname]['error'])>10) { $this->error=13; $this->error(); } $max=sizeof($_files[$inputname]['error'])-1; //exit($this->savepath.$savename); foreach($_files[$inputname]['error'] as $key => $error) { if($error==upload_err_ok) //批量上传 { $savename=$savename?$savename:date('ymdims').mt_rand(10000,99999); $fileext=strtolower(get_fileext($_files[$inputname]['name'][$key])); $savename=$savename.'.'.$fileext; $tmp_name=$_files[$inputname]['tmp_name'][$key]; $filesize=$_files[$inputname]['size'][$key]; if(!in_array($fileext,$alowexts)) { $this->error=10; $this->error(); } if($filesize>$maxsize) { $this->error=11; $this->error(); } if(!$this->isuploadedfile($tmp_name)) { $this->error=12; $this->error(); }
if(move_uploaded_file($tmp_name,$this->savepath.$savename) || @copy($tmp_name,$this->savepath.$savename)) { //exit($this->savepath.$savename); @chmod($savename, 0644); @unlink($tmp_name); $file_array[]=$this->savepath.$savename; } } else { $this->error=$error; $this->error(); } unset($savename); } $this->files=$file_array; return true; }
function isuploadedfile($file) //去掉系统自带的反斜线 { return (is_uploaded_file($file) || is_uploaded_file(str_replace('','',$file))); }
function error() { $upload_error=array(0 => '文件上传成功 !', 1 => '上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值 !', 2 => '上传文件的大小超过了 html 表单中 max_file_size 选项指定的值 !', 3 => '文件只有部分被上传 !', 4 => '没有文件被上传 !', 5 => '未知错误!', 6 => '找不到临时文件夹。 !', 7 => '文件写入临时文件夹失败 !', 8 => '附件目录创建失败 !', 9 => '附件目录没有写入权限 !', 10 => '不允许上传该类型文件 !', 11 => '文件超过了管理员限定的大小 !', 12 => '非法上传文件 !', 13 => '最多可同时上传10个文件 !' ); showmsg($upload_error[$this->error]); }
}
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