doubao6681 2012-11-11 06:49
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在同一主机上的我的网页上使用多个数据库

I just referenced this answer and what I preferred was very first solution, now the issue is he has given an information for mysql_() but am using mysqli_(), so using 4th parameter as true, I select the database when user logs in, the moment he logs in he gets redirected to respective page but it is showing that connection was actively refused. any Idea how I can use 2 database, 1 is my default engine database which I need to keep it on for running my framework and second database to run respective scripts according to the user logged in...

What am trying is this

<?php
    $database_connect = mysqli_connect('localhost', 'root', '', 'engine');
    if(!$database_connect) {
        die ('Connect Error (' . mysqli_connect_errno() . ') '. mysqli_connect_error());
    }

    if(isset($_SESSION['system_id'])) {
        $system_database = mysqli_connect('localhost', 'root', '', $_SESSION['system_name'], true);
        if(!$system_database) {
            die ('Connect Error (' . mysqli_connect_errno() . ') '. mysqli_connect_error());
        }
    }
?>

P.S I want a procedural way

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1条回答 默认 最新

  • duancai9010 2012-11-11 07:02
    关注

    You don't need any extra parameters, simply do it like this

    <?php
        $database_connect = mysqli_connect('localhost', 'root', '', 'engine');
        if(!$database_connect) {
            die ('Connect Error (' . mysqli_connect_errno() . ') '. mysqli_connect_error());
        }
    
        if(isset($_SESSION['system_id'])) {
            $system_database = mysqli_connect('localhost', 'root', '', $_SESSION['system_name']);
            if(!$system_database) {
                die ('Connect Error (' . mysqli_connect_errno() . ') '. mysqli_connect_error());
            }
        }
    
    //Now whatever query you write, just do it like this
    
    $access = mysqli_query($database_connection_var, "/*Query Goes Here*/"); //Will get database name from $database_connection_var
    
    $access2 = mysqli_query($database_connection_var2, "/*Query Goes Here*/"); //Will get database name from $database_connection_var2
    ?>
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

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