php向数据库插入数据乱码问题
<html><head>book entry result</head><body><h1>book entry result</h1><?phpheader("content-type:text/html;charset=utf-8");$isbn=$_POST['isbn'];$author=$_POST['author'];$title=$_POST['title'];$price=$_POST['price'];if(!($isbn||$author||$title||$price)){ echo"请确认每行都输入数据"; exit;}if(!get_magic_quotes_gpc()){ $isbn=addslashes($isbn); $author=addslashes($author); $title=addslashes($title); $price=addslashes($price);}mysql_query('set names utf8');@$db=new mysqli('localhost','root','root','books');if(mysqli_connect_error()){echo "链接数据库不成功"; exit;}header("content-type:text/html;charset=utf-8");$query="insert into books(isbn ,author ,title ,price)values('".$isbn."', '".$author."', '".$title."', '".$price."')";$result=$db->query($query);if($result){echo $db->affected_rows." 本书数据录入成功。";}else{echo"数据录入失败。";}?></body></html>