uploadx_size = "1024"; $upx->upload">
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php文件图片上传类程序_PHP教程

时间:2021-07-01 10:21:17 帮助过:4人阅读




php教程 文件图片上传类程序




upx.php文件
//上传操作
require_once './libs/uploadx.php';
$upx = new uploadx();
$upx->uploadx_form = 'swfile';
$upx->uploadx_save = "upload";
$upx->uploadx_size = "1024";
$upx->uploadx_name = time();
$upx->file();
print_r($upx->file);

?>
uploadx.php类文件
/*

使用方法:

html表单页
-------------------------------------------------------------------------

-------------------------------------------------------------------------


upload.php处理页
-------------------------------------------------------------------------
require_once './uploadx.php';
$upx = new uploadx();
$upx->uploadx_form = 'swfile'; //表单控件名称(表单上传控件的名称)
$upx->uploadx_save = "temp"; //保存文件目录(上传文件保存目录可以是相对路径也可以是绝对路径)
$upx->uploadx_type = 'jpg|gif|png|swf'; //允许上传类型(根据后缀限制上传类型,每个后缀用"|"隔开)
$upx->uploadx_size = "1024"; //允许上传大小(单位是kb。例:1024=1024kb)
$upx->uploadx_name = time(); //上传后文件名(可自定义。例:date("y-m-d",time()))

if($upx->file()){
echo "上传成功
";
echo "名称->".$upx->file['name']."
";
echo "路径->".$upx->file['path']."
";
echo "大小->".$upx->file['size']."
";
echo "类型->".$upx->file['type']."
";
echo "时间->".$upx->file['time']."
";
echo "结果->".$upx->file['info']."
";

}else{
echo $upx->file['info'];
}

-------------------------------------------------------------------------
*/
class uploadx {


public $uploadx_form; //表单控件名称
public $uploadx_save; //保存文件目录
public $uploadx_type; //允许上传类型
public $uploadx_size; //允许上传大小
public $uploadx_name; //上传后文件名

function __construct(){//初始化函数
$this->uploadx_form = 'attach';
$this->uploadx_save = 'temp';
$this->uploadx_type = 'jpg|gif|png|swf|flv|rar|7z|zip|doc|docx|ppt|pptx|xls|xlsx|txt|pdf|wav|mp3|wma|rm|rmvb|wmv';
$this->uploadx_size = '1024';
$this->uploadx_info = false;
}

function mkdirs($path , $mode = 0777){
$rootdir = '';
if(substr($path,0,1)=='/') $rootdir = $_server['document_root'];
$path = $rootdir . $path;
if(!is_dir($path)){
$this->mkdirs(dirname($path),$mode);
mkdir($path,$mode);
}
return true;
}

function file(){
if(!isset($_files[$this->uploadx_form])){
$this->file = array('file'=>false,'info' => '上传错误!请检查表单上传控件名称['.$this->uploadx_form.']是否正确!');
return false;
}

switch($_files[$this->uploadx_form]['error']){

case 1:
$this->file = array('file'=>false,'info' => '指定上传的文件大小超出服务器限制!');
return false;
break;

case 2:
$this->file = array('file'=>false,'info' => '指定上传的文件大小超出表单限制!');
return false;
break;

case 3:
$this->file = array('file'=>false,'info' => '只有部份文件被上传,文件不完整!');
return false;
break;

case 4:
$this->file = array('file'=>false,'info' => '您没有选择上传任何文件!');
return false;
}

$postfix = pathinfo($_files[$this->uploadx_form]['name'], pathinfo_extension);
if(stripos($this->uploadx_type,$postfix)===false){
$this->file = array('file'=>false,'info' => '指定上传的文件类型超出限制,允许上传文件类型:'.$this->uploadx_type);
return false;

}

if(round($_files[$this->uploadx_form]['size']/1024)>$this->uploadx_size){
$this->file = array('file'=>false,'info' => '指定上传的文件超出大小限制,文件上传限制范围:'.$this->uploadx_size.'kb');
return false;
}

if($this->mkdirs($this->uploadx_save)){
$this->uploadx_name = isset($this->uploadx_name) ? $this->uploadx_name.'.'.$postfix : $_files[$this->uploadx_form]['name'];
if(!@move_uploaded_file($_files[$this->uploadx_form]['tmp_name'],$this->uploadx_save.'/'.$this->uploadx_name)){
$this->file = array('file'=>false,'info' => '上传文件保存过程中出现错误,请检查路径或目录权限.');
return false;
}
}else{
$this->file = array('file'=>false,'info' => '服务器目录不存在,自动创建目录失败,请检查是否有权限!');
return false;
}

@chmod($this->uploadx_save.'/'.$this->uploadx_name,0777);
$this->file = array(
'file' => true,
'name' => $this->uploadx_name,
'path' => $this->uploadx_save.'/'.$this->uploadx_name,
'size' => $_files[$this->uploadx_form]['size'],
'type' => $postfix,
'time' => time(),
'info' => '上传成功!'
);
return true;

}


}


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