文件上传封装

include 'uploadone.php';

header("Content-type: text/html; charset=utf-8");

//封装获取文件名后缀

function getExt($fileName){

return strtolower(pathinfo($fileName,PATHINFO_EXTENSION));

}

//获取唯一文件名

function getUniname(){

return md5(uniqid(microtime(true),true));

}

//处理多文件上传数据

function getFiles(){

$i=0;

foreach ($_FILES as $file){

if(is_string($file['name'])){

$files[$i]=$file;

$i++;

}elseif (is_array($file['name'])){

//循环把没一项的值拿出来合并

foreach ($file['name'] as $key=>$val){

$files[$i]['name']=$file['name'][$key];

$files[$i]['tmp_name']=$file['tmp_name'][$key];

$files[$i]['error']=$file['error'][$key];

$files[$i]['size']=$file['size'][$key];

$i++;

}

}

}

return $files;

}

function uploadFile($fileInfo,$path='uploads',$maxSize=1048576,$allowExt=array('jpg','jpeg','png','gif'),$flag=true){

if($fileInfo['error']===0){

//获取文件名后缀

$ext=getExt($fileInfo['name']);

//检测上传文件大小

if($fileInfo['size']>$maxSize) $res['msg']=$fileInfo['name'].'上传文件过大';

//检测允许上传文件的类型

if(!in_array($ext,$allowExt)) $res['msg']=$fileInfo['name'].'文件上传类型错误!!';

//检测是否是图片

//$flag=true;

if($flag){

if(@!getimagesize($fileInfo['tmp_name'])){

//var_dump(getimagesize($fileInfo['tmp_name']));

$res['msg']=$fileInfo['name'].'不是图片类型';

}

}

//检测文件是否是通过HTTP POST上传的

//is_uploaded_file — 判断文件是否是通过 HTTP POST 上传的

if(!is_uploaded_file($fileInfo['tmp_name'])) $res['msg']='文件不是通过HTTP POST上传的';

if(isset($res)) return $res;

$uniName=getUniname();

$path='./uploads';

if(!file_exists($path)){

mkdir($path,0777,true);

chomd($path,0777);

}

$destination=$path.'/'.$uniName.'.'.$ext;

if(!move_uploaded_file($fileInfo['tmp_name'],$destination)){

$res['msg']=$fileInfo['name'].'文件移动失败';

}

$res['msg']=$fileInfo['name'].'文件上传成功';

$res['dest']=$destination;

return $res;

}else{

switch($fileInfo['error']){

case 1:

$res['msg']='上传的文件超过PHP upload_max_fizesize的值';

break;

case 2:

$res['msg']='超过表单MAX_FIZE_SIZE限制大小';

break;

case 3:

$res['msg']= '文件部分被上传';

break;

case 4:

$res['msg']= '没有选择上传文件';

break;

case 6:

$res['msg']= '没有找到临时目录';

break;

case 7:

case 8:

$res['msg']= '系统错误';

break;

}

return $res;

}

}