php CodeIgniter，将数据从模型传递到控制器以在视图中使用
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/28320504/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
CodeIgniter, pass data from model to controller to use in view
提问by Richard
I want to pass data queried in my model to the controller, to do so I am using return $data. Then in the controller I use $this->load->view('my_view', $data);
我想将在我的模型中查询的数据传递给控制器，为此我使用了 return $data。然后在我使用的控制器中$this->load->view('my_view', $data);
From my understanding var_dump($data);in the view should show me the results from the query... This is not the case. I am getting "undefined variable data" and NULL from the var_dump($data);.
根据我var_dump($data);在视图中的理解应该向我显示查询的结果......事实并非如此。我从var_dump($data);.
Here is my model:
这是我的模型：
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Manage_accounts_model extends CI_Model {
public function index() {
//
}
public function get_users(){
$data = array();
$data['query'] = $this->db->get('users');
return $data['query'];
}
}
Here is my controller
这是我的控制器
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Manage_accounts extends CI_Controller {
public function index() {
$this->load->view('template/header');
$this->load->model('manage_accounts_model');
$this->load->view('template/footer');
$this->load->model('manage_accounts_model');
$res = $this->manage_accounts_model->get_users();
if($res){
$this->load->view('manage_accounts_view', $data);
} else {
echo "Fail";
}
}
}
And finally my view:
最后我的观点：
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
?>
<div class="container">
<h1><?php if($title){ echo $title; } ?></h1>
<?php var_dump($data['query']); ?>
</div>
回答by Tintu C Raju
I think you made 2 mistakes
我认为你犯了两个错误
- forget to fetch the result to an array
- forget to pass the data to view
- 忘记将结果提取到数组中
- 忘记传数据查看
change in your model class.
改变你的模型类。
public function get_users(){
$data = array();
$query = $this->db->get('users');
$res = $query->result();
return $res;
}
change in your controller class
改变你的控制器类
public function index() {
$this->load->view('template/header');
$this->load->model('manage_accounts_model');
$this->load->view('template/footer');
$this->load->model('manage_accounts_model');
$res = $this->manage_accounts_model->get_users();
if($res){
$data['result'] = $res;
$this->load->view('manage_accounts_view', $data);
} else {
echo "Fail";
}
in your view
在你看来
print_r($result);
回答by Rakesh Sharma
cause $datais not defined in your controller try
原因$data未在您的控制器中定义尝试
$data = array();
if($res){
$data['res'] = $res;
$this->load->view('manage_accounts_view', $data);
}
Then get on view
然后上镜
<?php var_dump($res); ?>
Also you are sending whole query from model not result for return result you need like :-
此外，您正在从模型发送整个查询，而不是您需要的返回结果的结果，例如：-
public function get_users(){
$query = $this->db->get('users');
return $query->result();
}
回答by Danyal Sandeelo
You forgot it
你忘记了
$data['resultSet']=$res;
Now access the result as $res in your code
现在在您的代码中以 $res 的形式访问结果
回答by Pupil
You did not pass the querykey variable to view.
您没有传递query要查看的关键变量。
change:
改变：
$res = $this->manage_accounts_model->get_users();
if($res) {
$this->load->view('manage_accounts_view', $data);
To:
到：
$data['query'] = $this->manage_accounts_model->get_users();
if($data['query']){
$this->load->view('manage_accounts_view', $data);
...
回答by Ghanshyam Dekavadiya
Just Need to do change into controller
只需要更改为控制器
$data['query'] = $this->manage_accounts_model->get_users();
if($data){
$this->load->view('manage_accounts_view', $data);
}else{
echo "Fail";
}
