在CodeIgniter上过滤和分页

Question

我是CodeIgniter的新手，但我想问一下分页和过滤。 我做了他们，他们彼此很好地工作，但我有两页过滤器和分页。他们给我一些错误。 - 当我点击过滤器时，url是这样的：company/components/all/names_of_filters 所以过滤器在uri段（4）工作。 ================================================= ========================但是，当我加载分页它显示我 公司/组件/所有/分页所以过滤器崩溃与分页。我宣布uri segment（5）用于加载分页，但同样的事情。这个想法是，过滤器正在从数据库变化，它是一个动态的部分。我怎样才能在 $ conf [base_url] =（company/components/all /...../）上声明它，并在这些破折号中加入一个函数，该函数连接了一个更改名称的函数filter？ -------------------------------------------------- -------------------------------------------------- ----- *有没有方法？ * 最佳:)

Answer 1

将这个文件 myhelper_helper.php在助手使用会话库... 控制器文件夹分页的

function configPagination($url,$total_rows,$segment,$per_page=10) 
    { 


     $CI = get_instance(); 
     $CI->load->library('pagination'); 
     $config['base_url']   = site_url($url); 
     $config['total_rows']  = $total_rows; 
     $config['per_page']   = $per_page; 
     $config['uri_segment']  = $segment; 
     $config['num_tag_open']  = '<li>'; 
     $config['num_tag_close'] = '</li>'; 
     $config['cur_tag_open']  = '<li class="active"><a href="#">'; 
     $config['cur_tag_close'] = '</a></li>'; 
     $config['num_links']  = 3; 
     $config['next_tag_open'] = "<li>"; 
     $config['next_tag_close'] = "</li>"; 
     $config['prev_tag_open'] = "<li>"; 
     $config['prev_tag_close'] = "</li>"; 

     $config['first_link'] = FALSE; 
     $config['last_link'] = FALSE; 
     $CI->pagination->initialize($config); 

     return $CI->pagination->create_links(); 
    } 

例子： Users.php

public function __construct() 

    { 

     parent::__construct(); 

     $this->per_page = 20; // How many records per page... 

     $this->load->helper('myhelper'); 
     $this->load->library('session'); 
     $this->load->model('users_model'); 


    } 

function list($start=0) 
{ 
if(isset($_POST['filter_status'])) 

{ 

$this->session->set_userdata('filter_status',$this->input->post('filter_status')); 

} 

$data['users'] = $this->users_model->get_all($start,$this->per_page); 
$total   = $this->users_model->count_all(); 
$data['pages'] = configPagination('users/list',$total,5,$this->per_page); 
$data['start'] = $start; 

$this->load->view('users_view',$data); 


} 

最后在你的模型中Users_model.php

function __construct() 
    { 
     parent::__construct(); 
     $this->load->database(); 
     } 



    function get_all($start,$limit) { 

      if($this->session->userdata('filter_status')!='') 
      { 
       $this->db->where('status',$this->session->userdata('filter_status')); 
      } 

    $query = $this->db->get('users', $limit, $start); 

      return $query; 

function count_all() 

     { 
       if($this->session->userdata('filter_status')!='') 
     { 
      $this->db->where('status',$this->session->userdata('filter_status')); 
     } 


     $query = $this->db->get('users'); 
     return $query->num_rows(); 
     } 

在您看来，这样的事情

<form action="" method="post" id="filter_form"> 
    <div class="form-group"> 
    <label>Status: </label> 
    <div class="controls"> 
    <?php $status = array(0=>"Inactive", 1=>"Inactive",-1=>"Banned");?> 
    <select id="status-select" name="filter_status" class="form-contro"> 
    <option value="">All</option> 
      <?php foreach ($status as $key=>$value) { 
      $sel = ($key==$this->session->userdata('filter_status'))?'selected="selected"':''; 
         ?> 
      <option value="<?php echo $key;?>" <?php echo $sel;?>><?php echo $value ?></option> 
        <?php } ?> 
       </select> 
<input type="submit" Value="Filter" /> 
       </div></form> 

Answer 2

控制器

$this->load->library('pagination'); 
    $pagination_config['base_url'] = base_url('/webs/webs1/all/'); 
    $pagination_config['total_rows'] = $this->model_m->count_all(); 
    $pagination_config['per_page'] = 2; 
    $pagination_offset = $this->uri->segment(5); 
    $this->pagination->initialize($pagination_config); 
    $data['pagination_links'] = $this->pagination->create_links(); 
    //end 

    //fetch categories from the database 
    $data['categories'] = $this->model_m->get_categories();  
    $categoryID = $this->uri->segment(4); 
    if($categoryID == null){ 
     redirect('backend/subcategories/all/filterAll'); 
    } 
    if(!isset($categoryID) || ($categoryID == "filterAll")) { 
     $data['subcategories'] = $this->model_m->get_all_subcategories(); 
    } else { 
     $data['subcategories'] = $this->model_m->get_by_category($categoryID); 
    } 
    $data['selected_category'] = $categoryID; 

    $data['view'] = $this->load->view($view,$data,true); 
    $this->load->view($viewlayout,$data); 

模型

public function get_by_category($id){ 
    $query = $this->db->get_where('items', array('prod_id' => $id)); 
    if ($query->num_rows() > 0) { return $query->result(); } 
    return false; 
} 

public function get_all_subcategories($catID = NULL,$limit = NULL ,$offset = NULL) { 
    if(isset($catID) && is_int($catID)) { 
     if(isset($limit) && isset($offset)){ 
      $result = $this->db->get_where('items',array('prod_id' => $catID),$limit,$offset); 
      return $result->result(); 
     } 
     $result = $this->db->get_where('items',array('prod_id' => $catID)); 
     return $result->result(); 
    } 

    if(isset($limit) && isset($offset)){ 
     $result = $this->db->get('items',$limit,$offset); 
     return $result->result(); 
    } 
    $result = $this->db->get('items'); 
    return $result->result(); 
} 

public function count_all() { 
    return $this->db->get('items')->num_rows(); 
}