【www.gdgbn.com--元旦图片】
/*
* created on 2010-6-21
*
* the class for image to upload
*
* made by s71ence
*
* @$user_id
* @$max_file_size
* @$max_image_side
* @$destination_folder
*
* return:
* @$_cookie["img_path"]
* @$img_unfind
* @$img_type
* @$mkdir_warry
* @$img_side_too_big
* @$img_exist
* @$img_move
* @$img_upload_sucess
*/
header("content-type:text/html;charset=utf-8");
class image_upload extends fn_function
{
private $user_id;
private $max_file_size; //allow the image"s size
private $max_image_side; //allow the image"s side
private $destination_folder; //image"s storage path
private $img_preview;
private $img_preview_size;
private $cookie_set; //the cookie"s name
function __construct($user_id,$max_file_size,$max_image_side,$destination_folder,$img_preview,$img_preview_size,$cookie_set)
{
$this->user_id=$user_id;
$this->max_file_size=$max_file_size;
$this->max_image_side=$max_image_side;
$this->destination_folder=$destination_folder;
$this->img_preview=$img_preview;
$this->img_preview_size=$img_preview_size;
$this->cookie_set=$cookie_set;
$this->get_date();
$this->get_image_type();
}
private function get_date()
{
$this->date=fn_function::get_server_date();
return $this->date;
}
function get_image_type()
{
$this->up_img_types=array(
"image/jpg",
"image/jpeg",
"image/png",
"image/pjpeg",
"image/gif",
"image/bmp",
"image/x-png"
);
return $this->up_img_types;
}
function upload_image()
{
if ($_server["request_method"] == "post")
{
//check the iamge is exist
if (!is_uploaded_file($_files["upfile"]["tmp_name"]))
{
return $img_unfind=fn_function::alert_msg("图片不存在!");
exit;
}
$file = $_files["upfile"];
//check the iamge"s size
if($this->max_file_size < $file["size"])
{
return $img_side_too_big=fn_function::alert_msg("图片大小超过系统允许最大值!");
exit;
}
//check the iamge"s type
if(!in_array($file["type"], $this->up_img_types))
{
return $img_type=fn_function::alert_msg("图片类型不符!");
exit;
}
if(!file_exists($this->destination_folder))
{
if(!fn_function::mkdirs($this->destination_folder))
{
return $mkdir_warry=fn_function::alert_msg("目录创建失败!");
exit;
}
}
$file_name=$file["tmp_name"];
$image_size = getimagesize($file_name);
$pinfo=pathinfo($file["name"]);
$file_type=$pinfo["extension"];
$destination = $this->destination_folder.time().".".$file_type;
setcookie($this->cookie_set, $destination);
if($image_size[0]>$this->max_image_side || $image_size[1]>$this->max_image_side)
{
return $img_side_too_big=fn_function::alert_msg("图片分辨率超过系统允许最大值!");
exit;
}
$overwrite="";
if (file_exists($destination) && $overwrite != true)
{
return $img_exist=fn_function::alert_msg("同名文件已经存在了!");
exit;
}
if(!move_uploaded_file ($file_name, $destination))
{
return $img_move=fn_function::alert_msg("移动文件出错!");
exit;
}
$img_upload_sucess="上传成功
";
if($this->img_preview==1)
{
$img_src="http://www.gdgbn.com/ps/25894/