限制上传的文件大小
//$limit_size为限制最大文件大小
$limit_size=50000;
$file_size=$HTTP_POST_FILES['ufile']['size'];
if($file_size >= $limit_size) {
echo "你的文件超过的限制的大小
";
echo "你的文件大小为= ".$file_size;
echo " K";
echo "
文件大小限制为= 50000 k";
}
else {
// 上传到什么目录,也就是从临时目录拷贝到目标目录
if(copy($HTTP_POST_FILES['ufile']['tmp_name'], $path))
{
echo "上传成功
";
echo "";
}

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