<h1>注册页面</h1>
<form action="./Untitled-zhucechuli.php" method="post">
<div>用户名<input type="text" name="uid" /></div>
<div>密码<input type="password" name="pwd" /></div>
<div>姓名<input type="text" name="name" /></div>
<div><input type="submit" value="http://www.mamicode.com/注册" /></div>
</form>

$uid = $_POST["uid"];
$pwd = $_POST["pwd"];
$name = $_POST["name"];

//造连接对象
$db = new MySQLi("localhost","root","456","asdadads");数据库名
//写SQL语句
$sql = "insert into mydb values(‘{$pwd}‘,‘{$uid}‘,‘{$name}‘)";
$db->query($sql);