jq php异步上传图片 php+jquery Ajax异步上传图片（ajaxSubmit）实例_PHP教程

$photo_types=array('image/jpg', 'image/jpeg','image/png','image/pjpeg','image/gif','image/bmp','image/x-png');//定义上传格式

$max_size=700000; //上传照片大小限制,默认700k

$photo_folder="upload/".date("Y")."/".date("m")."/".date("d")."/"; //上传照片路径

///开始处理上传

if(!file_exists($photo_folder))//检查照片目录是否存在

{

mkdir($photo_folder, 0777, true); //mkdir("temp/sub, 0777, true);

}

$upfile=$_FILES['upfile'];

$name=$upfile['name'];

$type=$upfile['type'];

$size=$upfile['size'];

$tmp_name=$upfile['tmp_name'];

$file = $_FILES["upfile"];

$photo_name=$file["tmp_name"];

//echo $photo_name;

$photo_size = getimagesize($photo_name);

if($max_size < $file["size"])//检查文件大小

echo "-1"; //echo "";

if(!in_array($file["type"], $photo_types))//检查文件类型

echo "-2"; //echo "";

if(!file_exists($photo_folder))//照片目录

mkdir($photo_folder);

$pinfo=pathinfo($file["name"]);

$photo_type=$pinfo['extension'];//上传文件扩展名

$photo_server_folder = $photo_folder.time().".".$photo_type;//以当前时间和7位随机数作为文件名，这里是上传的完整路径

if(!move_uploaded_file ($photo_name, $photo_server_folder))

{

echo "-3"; //echo "移动文件出错";

exit;

}

$pinfo=pathinfo($photo_server_folder);

$fname=$pinfo['basename'];

echo "1"; //echo " 已经成功上传：".$photo_server_folder."

";

}

?>