怎样上传文件并存入数据库，给个例子

上传|数据|数据库

if ($add){

if ($picture!="none"){

$pic_data = addslashes(fread($fp=fopen($picture,"r"), filesize($picture)));

$i_str="insert into picture (picture,picture_type) values ('$pic_data','$picture_type')";

$result=mysql_query($i_str,$dbconnect);

$picture_id=mysql_insert_id();

fclose($fp);

unlink($picture);

}

else{

$picture_id=0 ;

}

$i_str="insert into index_news (news_date,news_title,news_content,news_link,picture_id,is_new,picture_side,news_show) values ";

$i_str.="('$date','$news_title','$news_content','$news_link','$picture_id','$is_new','$picture_side','$news_show') ";

if (mysql_query($i_str,$dbconnect)) echo "已添加！";

}