连接失败:php_network_getaddresses:getaddrinfo失败:名称或服务未知 [英] Getting connection failed: php_network_getaddresses: getaddrinfo failed: Name or service not known

问题描述

我正在使用POST方法向服务器上的db插入一些数据.这是我的connection.php文件，存储在我的

Im using POST method to insert some data to db on my server.This is my connection.php file that is stored in my http://www.url.com/public_html.

    <?php

$servername = "http://www.url.com";
$username = "db_username";
$password = "db_password";
$databaseName = "db_name";

$connect = new mysqli($servername,$username,$password,$databaseName);

if ($connect->connect_error) {
    die("Connection failed: " . $connect->connect_error);
} 
echo "Connected successfully";

?>

这是insert.php文件，也存储在 http://www.url.com/public_html 中我用来在数据库中插入数据.

This is insert.php file also stored in http://www.url.com/public_html that i use to insert data in database.

<?php

if($_SERVER["REQUEST_METHOD"]=="POST"){
    require'connection.php';
    createStudent();
}
function createStudent(){

    global $connect;

    $name = $_POST["name"];
    $lastname = $_POST["lastname"];
    $age = $_POST["age"];

    $query="INSERT INTO  `demo` (  `name` ,  `lastname` ,  `age` ) 
    VALUES ('$name','$lastname','$age')";
    mysqli_query($connect,$query)or die (mysqli_error($connect));
    mysqli_close($connect);
}
?>

我使用邮差和我的android应用程序对此进行测试，但即时通讯得到: 连接失败:php_network_getaddresses:getaddrinfo失败:名称或服务未知错误.

I use postman, and my android app to test this but im getting: Connection failed: php_network_getaddresses: getaddrinfo failed: Name or service not known error.

我不是PHP开发人员，但我在php文件中看不到任何错误，因此欢迎您提供任何帮助.

Im not a php developer but i can't see any error in my php files, so any help will be welcomed.

提前谢谢.

推荐答案

感谢Prera​​k，

Thanks Prerak,

这是答案，我的数据库位于同一台计算机上，因此我只需要

This is the answer, my database is on the same machine so I just needed to edit:

$servername = "localhost"

现在一切正常.

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