2015-10-20 83 views
1

我遇到了一个问题,即我的数据库中的数据未显示在我的视图中。据我所知,我的控制器,型号和视图设置正确。我之前完成了这个工作,所以我知道需要什么,但是我找不到我的旧文件。我希望你们能帮忙?未显示在视图中的Codeigniter数据库值

控制器:

<?php 
if(!defined('BASEPATH')) exit('Hacking Attempt: Get out of the system ..!'); 

class C_Live extends CI_Controller 
{  

function C_Live(){ 
    parent::__construct(); 
    $this->load->model('M_live'); 
} 

public function index(){ 
    $query = $this->M_live->getUpgrades(); 
    if(isset($query)){ 
     $data['upgrades'] = $query; 
    } 
    $this->load->view('Test', $data); 
} 
} 

?> 

型号:

<?php 
if(!defined('BASEPATH')) exit('Hacking Attempt: Get out of the system ..!'); 

class M_live extends CI_Model 
{ 
    function M_live() 
    { 
    parent::Model(); 
    } 

    function getUpgrades() 
    { 
    $query = $this->db->get('live_client_trust_versions'); 
    // Produces: SELECT * FROM client_trust_versions 
    return $query->num_rows() > 0 $query->result() : NULL; 
    } 
} 
?> 

查看:

<table> 
    <tr> 
     <th>ID</th> 
     <th>Client Name</th> 
     <th>App Server</th> 
     <th>Instance Name</th> 
     <th>BankStaff Server</th> 
     <th>SQL Server</th> 
     <th>Instance</th> 
     <th>Health Roster Version</th> 
     <th>Employee Online Version</th> 
     <th>Roster Perform</th> 
     <th>BankStaff Version</th> 
     <th>SafeCare Version</th> 
     <th>E-Expenses</th> 
    </tr> 

    <?php 
if(isset($upgrades)){ 
//If no rows were found $upgrades will be NULL and isset() will return false. 
//Therefore, you never try to address an undefined variable. 
    foreach($upgrades as $upgrade){?> 

     <tr> 
     <td><?php=$upgrade->ID;?></td> 
     <td><?php=$upgrade->Client_Name?></td> 
     <td><?php=$upgrade->App_Server?></td> 
     <td><?php=$upgrade->Instance_Name?></td> 
     <td><?php=$upgrade->BankStaff_Server?></td> 
     <td><?php=$upgrade->SQL_Server;?></td> 
     <td><?php=$upgrade->Instance;?></td> 
     <td><?php=$upgrade->Health_Roster_Version;?></td> 
     <td><?php=$upgrade->Employee_Online_Version;?></td> 
     <td><?php=$upgrade->Roster_Perform_Version;?></td> 
     <td><?php=$upgrade->BankStaff_Version;?></td> 
     <td><?php=$upgrade->SafeCare_Version;?></td> 
     <td><?php=$upgrade->E-Expenses;?></td> 
     </tr> 
     <?php }}?> 
</table> 

The result I'm getting in my view.

+0

阅读这个http://w3code.in/2015/ 10 /如何插入和选择数据从数据库中codeigniter初学者指南/ – Ricky

回答

2

变化控制器

class C_Live extends CI_Controller 
{  

function __construct(){ 
    parent::__construct(); 

    $this->load->model('M_live', '', TRUE); 
} 


public function index(){ 
    $data['upgrades'] = $this->M_live->getUpgrades(); 
    echo "<pre>"; 
    print_r($data['upgrades']); 
    $this->load->view('Test', $data); 
} 
} 

和型号

<?php 
if(!defined('BASEPATH')) exit('Hacking Attempt: Get out of the system ..!'); 



     class M_live extends CI_Model 
     { 
      function __construct() 
      { 
      parent::Model(); 
      } 

      function getUpgrades() 
      { 
      // $query = $this->db->get('live_client_trust_versions'); 
      // Produces: SELECT * FROM client_trust_versions 
      //return $query->num_rows() > 0 $query->result() : NULL; 
      $this->db->select('*'); 
      $this->db->from('live_client_trust_versions'); 
      $query = $this->db->get(); 
      $result = $query->result(); 
       return $result; 
      } 
     } 
     ?> 
+0

我试过你有什么建议,但我的表仍未显示。 –

+0

我已经更新了我的答案,现在再试一次 – Ricky

+0

我真的很难过成为一个痛苦,但它仍然没有显示数据是视图。我完全不知道它可能是什么。 –

0

这是错误的

<?php=$upgrade->ID;?> 

要么应该是

<?php echo $upgrade->ID;?> or <?= $upgrade->ID;?> 

这应该帮助。而且还

return $query->num_rows() > 0 ? $query->result() : NULL; 
          ^is missing. 
0

在你的模型,你已经在你的return通话错过了?

return $query->num_rows() > 0 ? $query->result() : NULL; 
       // Missing here^
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