.net和php怎么连接

<?php
header('Content-Type: application/json');
$data = array('message' => 'Hello from PHP!');
echo json_encode($data);
?>

using System;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        using (HttpClient client = new HttpClient())
        {
            HttpResponseMessage response = await client.GetAsync("http://your-php-server/api.php");
            string responseBody = await response.Content.ReadAsStringAsync();
            Console.WriteLine(responseBody);
        }
    }
}

using System;
using System.Data.SqlClient;

class Program
{
    static void Main(string[] args)
    {
        string connectionString = "your_connection_string";
        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            connection.Open();
            string query = "INSERT INTO Messages (Message) VALUES (@Message)";
            using (SqlCommand command = new SqlCommand(query, connection))
            {
                command.Parameters.AddWithValue("@Message", "Hello from .NET!");
                command.ExecuteNonQuery();
            }
        }
    }
}

<?php
$servername = "your_servername";
$username = "your_username";
$password = "your_password";
$dbname = "your_dbname";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

$sql = "SELECT Message FROM Messages";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        echo "Message: " . $row["Message"] . "<br>";
    }
} else {
    echo "0 results";
}
$conn->close();
?>