php基础教程:文件以二进制形式上传并放入数据库

conn.php:
$id=mysql_connect('localhost','root','root');
mysql_select_db("db_database12",$id);
mysql_query("set names gb2312");
?>index.php:

index_ok.php:
session_start();
include("conn.php");?>
 if($Submit=="提交"){
$data=date("Y-m-d");
$file_name="file2";
$path = './upfiles/'. $_FILES['file2']['name'];
if (move_uploaded_file($_FILES['file2']['tmp_name'],$path)) {
 $query="insert into tb_file2(file_name,file_text,data)values('$file_name','$path','$data')";
 $result=mysql_query($query);
 if($result=true){
 echo "上传成功!!";
 echo "";
 }else{echo "文件上传失败!!";
          echo "";}
}}
?>