使用PHP向mysql插入数据的时候,一直没插入成功:
$username = $_POST['username'];
$password = $_POST['password'];
$connect = mysqli_connect("localhost", "root", "123456", "test", 3306);
echo "<pre>";
var_dump($connect);
echo "</pre>";
echo br;
if (!mysqli_errno($connect)) {
echo $username . "-----" . $password;
mysqli_query($connect, "insert into user_info(username,password) values ($username, $password);");
}
在数据库中查询数据一直查询不到,是因为username和password没用加上引号:
mysqli_query($connect, "insert into user_info(username,password) values('$username', '$password');");