Php 为什么在视图中的显示控制器数组中获取错误未定义变量?
我的控制器:Php 为什么在视图中的显示控制器数组中获取错误未定义变量?,php,codeigniter,Php,Codeigniter,我的控制器: <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); class VerifyAppointment extends CI_Controller { function __construct() { parent::__construct(); $this->load->model('appointment_mod
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class VerifyAppointment extends CI_Controller {
function __construct()
{
parent::__construct();
$this->load->model('appointment_model','',TRUE);
}
function index()
{
$this->load->library('form_validation');
$this->form_validation->set_rules('rdatetimepicker', 'Appointment date', 'trim|required|xss_clean');
if($this->form_validation->run() == FALSE)
{
$this->load->view("pages/appointment");
}
else
{
$this->appointment_model->insert();
$data['posts'] = "hih";
$this->load->view('pages/appointment',$data);
}
}
}
您得到错误,因为当您初始化的验证条件为
$data['posts']=”时,视图未获得$posts
根据您的编码风格,在开始或每个if条件下编码>
function index()
{
$this->load->library('form_validation');
$this->form_validation->set_rules('rdatetimepicker', 'Appointment date', 'trim|required|xss_clean');
if($this->form_validation->run() == FALSE)
{
$data['posts']=""; //declare posts here
$this->load->view('pages/appointment',$data);
}
else
{
$this->appointment_model->insert();
$data['posts'] = "hih";
$this->load->view('pages/appointment',$data);
}
}
或者您可以在查看之前检查数组,如下所示;如果您不想更改控制器
<?php
if(isset($posts))
echo $posts;
?>
<?php
if(isset($posts))
echo $posts;
?>