我在Codeigniter中收到了这些错误。
Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in
C:\ xampp1 \ htdocs中\ CI \ SYSTEM \数据库\驱动\ MySQL的\ mysql_driver.php:92 堆栈跟踪:#0 C:\ xampp1 \ htdocs中\ CI \ SYSTEM \数据库\ DB_driver.php(116): CI_DB_mysql_driver-> db_pconnect()#1 C:\ xampp1 \ htdocs中\ CI \ SYSTEM \数据库\ db.php中(149): CI_DB_driver-> initialize()#2 C:\ xampp1 \ htdocs \ CI \ system \ core \ Loader.php(347):DB(Array,NULL)#3 C:\ xampp1 \ htdocs中\ CI \应用\模型\ usermodel.php(7): CI_Loader-> database()#4 C:\ xampp1 \ htdocs中\ CI \应用\控制器\ userscontroller.php(9): UserModel-> getUser()#5 C:\ xampp1 \ htdocs中\ CI \ SYSTEM \核心\ CodeIgniter.php(360): UsersController-> index()#6 C:\ xampp1 \ htdocs \ CI \ index.php(202): require_once(' C:\ xampp1 \ htdoc ...')#7 {main}引入 C:\ xampp1 \ htdocs \ CI \ system \ database \ drivers \ mysql \ mysql_driver.php on 第92行
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 $query->result();
}
}
查看课程
<!DOCTYPE html>
<html>
<head>
<title>User Accounts</title>
</head>
<body>
<?php foreach($users as $user): ?>
<table>
<tr>
<td><?= $user->firstname; ?></td>
<td><?= $user->lastname; ?></td>
</tr>
<?php endforeach; ?>
</table>
</body>
</html>
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);
}
}
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;
答案 0 :(得分:14)
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';
到
$db['default']['dbdriver'] = 'mysqli';
答案 1 :(得分:3)
在PHP5.6或更高版本中,mysql_
函数已弃用且已完全删除。尝试使用mysqli_
functions。