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php文件上传_PHP教程

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jul 20, 2016 am 11:08 AM

gifjpegjpgphprartxtzip上传可以实例支持文件

一款php文件上传实例哦，他可以支持txt,rar,zip,jpg,jpeg,gif,png,swf,wmv,avi,wma,mp3,mid,jar,jad,exe,html,htm,css,js,doc'上传，音乐文件等都可以。

一款php教程文件上传实例哦，他可以支持txt,rar,zip,jpg,jpeg,gif,png,swf,wmv,avi,wma,mp3,mid,jar,jad,exe,html,htm,css教程,js,doc'上传，音乐文件等都可以。

php文件上传

if(!$_post)die();
$state=uploadfile('filedata');
if($state['err']){
die('<script>alert("上传出错：'.$state['msg'].'");history.go(-1);</script>');
}
echo'

function uploadfile($inputname)
{
$immediate=$_get['immediate'];
$attachdir='../pictures';//上传文件保存路径，结尾不要带/
$urldir="../pictures";
$dirtype=2;//1:按天存入目录 2:按月存入目录 3:按扩展名存目录建议使用按天存
$maxattachsize=2097152;//最大上传大小，默认是2m
$upext='txt,rar,zip,jpg,jpeg,gif,png,swf,wmv,avi,wma,mp3,mid,jar,jad,exe,html,htm,css,js,doc';//上传扩展名

$err = "";
$msg = "";
$upfile=$_files[$inputname];
if(!empty($upfile['error']))
{
  switch($upfile['error'])
  {
   case '1':
    $err = '文件大小超过了php.ini定义的upload_max_filesize值';
    break;
   case '2':
    $err = '文件大小超过了html定义的max_file_size值';
    break;
   case '3':
    $err = '文件上传不完全';
    break;
   case '4':
    $err = '无文件上传';
    break;
   case '6':
    $err = '缺少临时文件夹';
    break;
   case '7':
    $err = '写文件失败';
    break;
   case '8':
    $err = '上传被其它扩展中断';
    break;
   case '999':
   default:
    $err = '无有效错误代码';
  }
}
elseif(empty($upfile['tmp_name']) || $upfile['tmp_name'] == 'none')$err = '无文件上传';
else
{
   $temppath=$upfile['tmp_name'];
   $fileinfo=pathinfo($upfile['name']);
   $extension=$fileinfo['extension'];
   if(preg_match('/'.str_replace(',','|',$upext).'/i',$extension))
   {
    $filesize=filesize($temppath);
    if($filesize > $maxattachsize)$err='文件大小超过'.$maxattachsize.'字节';
    else
    {
     switch($dirtype)
     {
      case 1: $attach_subdir = 'day_'.date('ymd'); break;
      case 2: $attach_subdir = 'month_'.date('ym'); break;
      case 3: $attach_subdir = 'ext_'.$extension; break;
     }
     $attach_dir = $attachdir.'/'.$attach_subdir;
     if(!is_dir($attach_dir))
     {
      @mkdir($attach_dir, 0777);
      @fclose(fopen($attach_dir.'/index.htm', 'w'));
     }
     php_version      $filename=date("ymdhis").mt_rand(1000,9999).'.'.$extension;
     $target = $urldir.'/'.$attach_subdir.'/'.$filename;

     move_uploaded_file($upfile['tmp_name'],$target);
     if($immediate=='1')$target='!'.$target;
     $msg=str_replace('../',"",$target);
    }
   }
   else $err='上传文件扩展名必需为：'.$upext;

   @unlink($temppath);
}
return array('err'=>$err,'msg'=>$msg);
}
?>