文件上传
$uploadedfile=$_files['uploadedfile']['tmp_name'];
$uploadedfile_name=$_files['uploadedfile']['name'];
$istrue=false;
if($uploadedfile)
{
$store_dir=$_server['document_root'];
$accept_overwrite = 1;
$istrue=true;
}
$filename = date(ymthis).$uploadedfile_name;
if (file_exists($store_dir . $filename))
{
echo 瀛