我想做的是从本地主机连接到服务器数据库.
What I'm trying to do is connecting to server database from localhost.
$host = 'www.my-domain/phpmyadmin/'; $user = 'u5er'; $pass = 'pa55w0rd'; $db = 'db_name'; $con = mysqli_connect($host,$user,$pass,$db) or die("Error " . mysqli_error($con)); $sql = "SELECT col FROM test WHERE id = '1'"; $result = mysqli_query($con,$sql);错误
Warning: mysqli_connect(): in C:\xampp\htdocs\sp_concord\cenova_nabidka\page\vytvor.php on line 362 Warning: mysqli_connect(): in C:\xampp\htdocs\sp_concord\cenova_nabidka\page\vytvor.php on line 362 Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in C:\xampp\htdocs\sp_concord\cenova_nabidka\page\vytvor.php on line 362 Error是否可以解决?如何确定我的服务器是否允许外部连接?以及如何定义应该从哪个IP地址访问数据库?
Is it possible to resolve it? How to find out if my server allows external connections? And how to define from which IP addresses it should allow access to database?
谢谢您的任何建议.
好的,我已经将主机更改为my-domain,现在它报告了以下错误.我的IP无法访问MySQL服务器...
Ok, I have changed the host to my-domain and now it reports the following errors. My IP has no acces to MySQL server...
Warning: mysqli_connect(): (HY000/1130): Host '88.146.210.54' is not allowed to connect to this MySQL server in C:\xampp\htdocs\sp_concord\cenova_nabidka\page\vytvor.php on line 362 Failed to connect to MySQL: Host '88.146.210.54' is not allowed to connect to this MySQL server Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in C:\xampp\htdocs\sp_concord\cenova_nabidka\page\vytvor.php on line 368推荐答案
您的日志记录有以下错误:
Your logging has an error is on the following line:
$con = mysqli_connect($host,$user,$pass,$db) or die("Error " . mysqli_error($con));$con从未分配值(基mysqli_connect失败),您将其传递给mysqli_error().
$con is never assigned a value (base mysqli_connect failed) and you are passing it to mysqli_error().
请尝试以下操作-它会为您提供有关为什么无法连接的信息:
Try the following instead - it will give you the information you need about why you cannot connect:
$con = mysqli_connect($host,$user,$pass,$db); if (mysqli_connect_errno()) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }正如Dagon用户所说,您的主机字符串应类似于my-domain,甚至更可能是localhost而不是www.my-domain/phpmyadmin/
As user Dagon mentioned, your host string should be something like my-domain or even more likely, localhost and not www.my-domain/phpmyadmin/
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从本地主机连接到服务器数据库
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