php+js实现异步图片上传实例分享

upload.PHP

代码如下:

PHP
if(isset($_FILES["myfile"]))
{
$ret = array();
$uploadDir = 'images'.DIRECTORY_SEParaTOR.date("Ymd").DIRECTORY_SEParaTOR;
$dir = dirname(__FILE__).DIRECTORY_SEParaTOR.$uploadDir;
file_exists($dir) || (mkdir($dir,0777,true) && chmod($dir,0777));
if(!is_array($_FILES["myfile"]["name"])) //single file
{
$fileName = time().uniqid().'.'.pathinfo($_FILES["myfile"]["name"])['extension'];
move_uploaded_file($_FILES["myfile"]["tmp_name"],$dir.$fileName);
$ret['file'] = DIRECTORY_SEParaTOR.$uploadDir.$fileName;
}
echo json_encode($ret);
}

?>

index.html

代码如下:

<Meta charset="utf-8">

图片





上传