query("select * from users where `phone`='".$phone."'".' limit 1');
$user=$user_stmit->fetch(PDO::FETCH_ASSOC);
if(!empty($user))exit(json_encode(['code'=>0,"msg"=>"改手机号已存在"]));
$stmit=$pdo->prepare("insert into users(`phone`,`password`,`created_at`, `updated_at`)values(?,?,?,?)");
$stmit->execute(array($phone,$password,$time,$time));
$id=$pdo->lastInsertId();
$_SESSION['admin_id']=$id;
exit(json_encode(array("code"=>1,"msg"=>"注册成功")));
}
?>
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