http://www.cnblogs.com/itcx/p/4209034.html

upload.php

class File_upload{

public $upload_path='./upload/';//上传文件的路径

public $allow_type=array();//允许上传的文件类型

public $max_size='20480';//允许的最大文件大小

public $overwrite=false;//是否设置成覆盖模式

public $renamed=false;//是否直接使用上传文件的名称，还是系统自动命名

/**

* 私有变量

*/

private $upload_file=array();//保存上传成功文件的信息

private $upload_file_num=0;//上传成功文件的数目

private $succ_upload_file=array();//成功保存的文件信息

/**

* 构造器

*

* @param string $upload_path

* @param string $allow_type

* @param string $max_size

*/

public function __construct($upload_path='./upload/',$allow_type='jpg|bmp|png|gif|jpeg',$max_size='204800')

{

$this->set_upload_path($upload_path);

$this->set_allow_type($allow_type);

$this->max_size=$max_size;

$this->get_upload_files();

}

/**

* 设置上传路径，并判定

*

* @param string $path

*/

public function set_upload_path($path)

{

if(file_exists($path)){

if(is_writeable($path)){

$this->upload_path=$path;

}else{

if(@chmod($path,'0666'))

$this->upload_path=$path;

}

}else{

if(@mkdir($path,'0666')){

$this->upload_path=$path;

}

}

}

//设置上传文件类型

public function set_allow_type($types){

$this->allow_type=explode("|",$types);

}

//上传文件

public function get_upload_files()

{

foreach ($_FILES AS $key=>$field)

{

$this->get_upload_files_detial($key);

}

}

//上传文件数据存放到数组中

public function get_upload_files_detial($field){

if(is_array($_FILES["$field"]['name']))

{

for($i=0;$i

{

if(0==$_FILES[$field]['error'][$i])

{

$this->upload_file[$this->upload_file_num]['name']=$_FILES[$field]['name'][$i];

$this->upload_file[$this->upload_file_num]['type']=$_FILES[$field]['type'][$i];

$this->upload_file[$this->upload_file_num]['size']=$_FILES[$field]['size'][$i];

$this->upload_file[$this->upload_file_num]['tmp_name']=$_FILES[$field]['tmp_name'][$i];

$this->upload_file[$this->upload_file_num]['error']=$_FILES[$field]['error'][$i];

$this->upload_file_num++;

}

}

}

else {

if(0==$_FILES["$field"]['error'])

{

$this->upload_file[$this->upload_file_num]['name']=$_FILES["$field"]['name'];

$this->upload_file[$this->upload_file_num]['type']=$_FILES["$field"]['type'];

$this->upload_file[$this->upload_file_num]['size']=$_FILES["$field"]['size'];

$this->upload_file[$this->upload_file_num]['tmp_name']=$_FILES["$field"]['tmp_name'];

$this->upload_file[$this->upload_file_num]['error']=$_FILES["$field"]['error'];

$this->upload_file_num++;

}

}

}

/**

* 检查上传文件是构满足指定条件

*

*/

public function check($i)

{

if(!empty($this->upload_file[$i]['name'])){

//检查文件大小

if($this->upload_file[$i]['size']>$this->max_size*1024)$this->upload_file[$i]['error']=2;

//设置默认服务端文件名

$this->upload_file[$i]['filename']=$this->upload_path.$this->upload_file[$i]['name'];

//获取文件路径信息

$file_info=pathinfo($this->upload_file[$i]['name']);

//获取文件扩展名

$file_ext=$file_info['extension'];

//检查文件类型

if(!in_array($file_ext,$this->allow_type))$this->upload_file[$i]['error']=5;

//需要重命名的

if($this->renamed){

list($usec, $sec) = explode(" ",microtime());

$this->upload_file[$i]['filename']=$sec.substr($usec,2).'.'.$file_ext;

unset($usec);

unset($sec);

}

//检查文件是否存在

if(file_exists($this->upload_file[$i]['filename'])){

if($this->overwrite){

@unlink($this->upload_file[$i]['filename']);

}else{

$j=0;

do{

$j++;

$temp_file=str_replace('.'.$file_ext,'('.$j.').'.$file_ext,$this->upload_file[$i]['filename']);

}while (file_exists($temp_file));

$this->upload_file[$i]['filename']=$temp_file;

unset($temp_file);

unset($j);

}

}

//检查完毕

} else $this->upload_file[$i]['error']=6;

}

/**

* 上传文件

*

* @return true

*/

public function upload()

{

$upload_msg='';

for($i=0;$iupload_file_num;$i++)

{

if(!empty($this->upload_file[$i]['name']))

{

//检查文件

$this->check($i);

if (0==$this->upload_file[$i]['error'])

{

//上传文件

if(!@move_uploaded_file($this->upload_file[$i]['tmp_name'],$this->upload_file[$i]['filename']))

{

$upload_msg.='上传文件'.$this->upload_file[$i]['name'].' 出错:'.$this->error($this->upload_file[$i]['error']).'!
';

}else

{

$this->succ_upload_file[]=$this->upload_file[$i]['filename'];

$upload_msg.='上传文件'.$this->upload_file[$i]['name'].' 成功了
';

}

}else $upload_msg.='上传文件'.$this->upload_file[$i]['name'].' 出错:'.$this->error($this->upload_file[$i]['error']).'!
';

}

}

echo $upload_msg;

}

//错误信息

public function error($error)

{

switch ($error) {

case 1:

return '文件大小超过php.ini 中 upload_max_filesize 选项限制的值';

break;

case 2:

return '文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值';

break;

case 3:

return '文件只有部分被上传';

break;

case 4:

return '没有文件被上传';

break;

case 5:

return '这个文件不允许被上传';

break;

case 6:

return '文件名为空';

break;

default:

return '出错';

break;

}

}

//获取成功的数据信息为数组(备用)

public function get_succ_file(){

return $this->succ_upload_file;

}

}

$upload=new File_upload('./upload/','jpg|bmp|png|gif|jpeg');

$upload->upload();

$t=$upload->get_succ_file();

print_r($t);

转载于:https://www.cnblogs.com/itcx/p/4209034.html

标签：文件,name,upload,field,file,error,path,php,上传

来源： https://blog.csdn.net/weixin_30338497/article/details/95934199