致命错误:未捕获错误:调用未定义函数mysql_pconnect()

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致命错误:未捕获错误:调用未定义函数mysql_pconnect()

我在Codeigniter中收到了这些错误.

Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in
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C:\ xampp1\htdocs\CI\system\database\drivers\mysql\mysql_driver.php:92堆栈跟踪:#0 C:\ xampp1\htdocs\CI\system\database\DB_driver.php(116):CI_DB_mysql_driver-> db_pconnect()#1 C:\ xampp1\htdocs\CI\system\database\DB.php(149):CI_DB_driver-> initialize()#2 C:\ xampp1\htdocs\CI\system\core\Loader.php( 347):DB(Array,NULL)#3 C:\ xampp1\htdocs\CI\application\models\usermodel.php(7):CI_Loader-> database()#4 C:\ xampp1\htdocs\CI\application\controllers\userscontroller.php(9):UserModel-> getUser()#5 C:\ xampp1\htdocs\CI\system\core\CodeIgniter.php(360):UsersController-> index()#6 C:\ xampp1\htdocs\CI\index.php(202):require_once('C:\ xampp1\htdoc ...')#7 {main}抛出C:\ xampp1\htdocs\CI\system\database\drivers\mysql\mysql_driver第92行的.php

模型类

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class UserModel extends CI_Model
{
    public function getUser()
    {
        $this->load->database();
        $query = $this->db->query("SELECT * from user_accounts");       
        return $query->result();
    }
}

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查看课程

  <!DOCTYPE html>
    <html>
    <head>
        <title>User Accounts</title>
    </head>
    <body>
        <?php foreach($users as $user): ?>
    <table>
        <tr>
            <td><?= $user->firstname; ?></td> 
            <td><?= $user->lastname; ?></td>
        </tr>
    <?php endforeach; ?>
    </table>
    </body>
    </html>

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控制器类

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class UsersController extends CI_Controller 
{
    public function index()
    {
        $this->load->model('usermodel');

        $data['users'] = $this->usermodel->getUser();

        $this->load->view('user_list',$data);
    }
}

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为database.php

$active_group = 'default';
$active_record = TRUE;     
$db['default']['hostname'] = 'localhost';
$db['default']['username'] = 'root';
$db['default']['password'] = '';
$db['default']['database'] = 'ci_users';
$db['default']['dbdriver'] = 'mysql';
$db['default']['dbprefix'] = '';
$db['default']['pconnect'] = TRUE;
$db['default']['db_debug'] = TRUE;
$db['default']['cache_on'] = FALSE;
$db['default']['cachedir'] = '';
$db['default']['char_set'] = 'utf8';
$db['default']['dbcollat'] = 'utf8_general_ci';
$db['default']['swap_pre'] = '';
$db['default']['autoinit'] = TRUE;
$db['default']['stricton'] = FALSE;

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Answer 1

twi*_*xel 17

因为您正在使用Codeigniter,所以您最有可能使用他们的数据库类和驱动程序,因此您不会直接使用PHP的MySQL函数.

因此,您需要做的就是改变

$db['default']['dbdriver'] = 'mysql';

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至

$db['default']['dbdriver'] = 'mysqli';

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