Php Codeigniter数据库故障
问题是当我使用这个代码时 在我的车型中:Php Codeigniter数据库故障,php,mysql,database,codeigniter,Php,Mysql,Database,Codeigniter,问题是当我使用这个代码时 在我的车型中: public function get_all_subject_tasks(){ $this->db->select('*'); $this->db->from('task'); $this->db->where("user_id",$this->session->userdata('user_id')); $this->db->order_by("task_id", "desc");
public function get_all_subject_tasks(){
$this->db->select('*');
$this->db->from('task');
$this->db->where("user_id",$this->session->userdata('user_id'));
$this->db->order_by("task_id", "desc");
$query_result=$this->db->get();
$result=$query_result->result();
return $result;
}
在我的控制器中:
public function subjects($t,$action=""){
$data=array();
$data['subject_tasks']=$this->Schoolmodel->get_all_subject_tasks($t);
if($action=='asyn'){
$this->load->view('theme/task',$data);
}else{
$this->load->view('theme/include/header');
$this->load->view('theme/include/school_sidebar');
$this->load->view('theme/task',$data);
$this->load->view('theme/include/footer');
}
}
在我的php页面中:
<div class="panel-body">
<table id="teacher_table" class="table table-striped table-bordered table-condensed">
<th>Name</th><th><?php get_phrase('teacher_email') ?></th><th width="110"><?php get_phrase('action') ?></th>
<?php foreach($subject_tasks as $list){ ?>
<tr>
<td class="task_name"><?php echo $list->task_name ?></td>
<td class="task_desc"><?php echo $list->task_desc ?></td>
</tr>
<?php } ?>
</table>
</div>
名称
我得到数据库中的所有任务,没有任何主题过滤器
所以我的问题是
如何使页面根据任务所在的主题响应任务
下面是我如何设置我的数据库结构的
<?php
// your model
public function getTask($subject_id)
{
$result = $this->db
->where("subject_id", $subject_id) // !!!
->where("user_id", $this->session->userdata('user_id')) // !!!
->order_by("task_id", "desc")
->get('tasks');
return $result->num_rows() > 0 ?
$result->result() : false;
}
// your class
class School extends CI_Controller {
public function __construct() {
parent::__construct();
if($this->session->userdata('logged_in')==FALSE){
redirect('User');
}
$this->load->database();
$this->load->model('Schoolmodel');
$this->load->library('form_validation');
}
public function subjects($subject_id,$action=""){
$data=array();
$data['subject_tasks'] = $this->Schoolmodel->getTask($subject_id);
if($action=='asyn'){
$this->load->view('theme/task',$data);
}else{
$this->load->view('theme/include/header');
$this->load->view('theme/include/school_sidebar');
$this->load->view('theme/task',$data);
$this->load->view('theme/include/footer');
}
}
}
?>
// your view
<div class="panel-body">
<table id="teacher_table" class="table table-striped table-bordered table-condensed">
<th>Name</th><th><?php get_phrase('teacher_email') ?></th><th width="110"><?php get_phrase('action') ?></th>
<?php if(false !== $subject_tasks) { foreach($subject_tasks as $list){ ?>
<tr>
<td class="task_name"><?php echo $list->task_name ?></td>
<td class="task_desc"><?php echo $list->task_desc ?></td>
</tr>
<?php } } ?>
</table>
</div>
//你的观点
名称
这是行不通的:
$this->db->where("subject_id",$subject_id AND "user_id",$this->session->userdata('user_id'));
From:多次调用,其中
将导致和
:
$this->db->where("subject_id", $subject_id);
$this->db->where("user_id", $this->session->userdata('user_id'));
你现在有什么问题?
where
内部模型不正确。我的问题是,我只希望在任务页面上显示某个主题中的任务。如何更正模型中的“where”代码?是否出现错误或显示所有任务?路由是如何配置的?我根本没有得到任何显示,没有显示数据库中的数据。这是链接的外观。您需要首先找出问题所在。如果要选择所有字段,不需要使用->选择(*)。您可以使用->获取('table')而不是->从('table')和->获取(),最好使用方法链接:)->met1()->met2()->…谢谢@Amir的帮助。