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$con = mysql_connect("47.107.159.50:3306","root","root");
After using phpstudy to configure the mysql database on the Alibaba Cloud host, the php code is linked to the database. How to fill in the database address
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$host = '47.107.159.50';
$port = 3306;
$user = 'root';
$password = 'root';
$db_name = '表名';
if(!$con = mysqli_connect($host,$user,$password,$db_name,$port)){
echo "can not connect to databases";
}else{
if($db_name != ''){
//选择数据库
if(!mysqli_select_db($con,$db_name)){
echo "can not select database" . $db_name;
return false;
}
//发送语句
mysqli_query($con,"SET NAMES 'UTF8'");
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
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$port = 3306;
$user = 'root';
$password = 'root';
$db_name = '表名';
if(!$con = mysqli_connect($host,$user,$password,$db_name,$port)){
echo "can not connect to databases";
}else{
if($db_name != ''){
//选择数据库
if(!mysqli_select_db($con,$db_name)){
echo "can not select database" . $db_name;
return false;
}
}
}
//发送语句
mysqli_query($con,"SET NAMES 'UTF8'");