我必须做一个代码点火器操作。但是现在我想添加分页搜索并对其进行排序。我使用了很多教程来做到这一点。但是我听不懂。对于任何知道的人，请帮助我做到这一点。谢谢你。
控制器
class User_controller extends CI_Controller {
public function __construct() {
parent::__construct();
$this->load->model('user_model');
$this->load->library('form_validation');
}
// load user_list view
public function index()
{
$this->load->view('admin_include/header');
$this->load->view('admin_pages/user_list');
}
// show all the users in view
public function fillgrid(){
$this->user_model->fillgrid();
}
function fetch_record(){
$this->user_model->fetch_record();
}
// validate and insert new user data
public function create(){
$this->form_validation->set_rules('firstname', 'First Name', 'required');
$this->form_validation->set_rules('lastname', 'Last Name', 'required');
$this->form_validation->set_rules('email', 'Email', 'required|valid_email');
$this->form_validation->set_rules('contact_no', 'Contact Number', 'required|numeric|max_length[10]|min_length[10]');
if ($this->form_validation->run() == FALSE){
echo'<div class="alert alert-danger">'.validation_errors().'</div>';
exit;
}
else{
$this->user_model->create();
}
}
// edit user
public function edit(){
$id = $this->uri->segment(3);
$this->db->where('id',$id);
$data['query'] = $this->db->get('user');
$data['id'] = $id;
$this->load->view('admin_pages/user_edit', $data);
}
// update validation
public function update(){
$res['error']="";
$res['success']="";
$this->form_validation->set_rules('firstname', 'First Name', 'required');
$this->form_validation->set_rules('lastname', 'Last Name', 'required');
$this->form_validation->set_rules('email', 'Email', 'required|valid_email');
$this->form_validation->set_rules('contact_no', 'Contact Number', 'required|numeric|max_length[10]|min_length[10]');
if ($this->form_validation->run() == FALSE){
$res['error']='<div class="alert alert-danger">'.validation_errors().'</div>';
}
else{
$data = array('firstname'=> $this->input->post('firstname'),
'lastname'=> $this->input->post('lastname'),
'email'=>$this->input->post('email'),
'contact_no'=>$this->input->post('contact_no'),
'address'=>$this->input->post('address'));
$this->db->where('id', $this->input->post('hidden'));
$this->db->update('user', $data);
$res['success'] = '<div class="alert alert-success">One record updated Successfully</div>';
}
header('Content-Type: application/json');
echo json_encode($res);
exit;
}
//delete user
public function delete(){
$id = $this->input->POST('id');
$this->db->where('id', $id);
$this->db->delete('user');
echo'<div class="alert alert-success">One record deleted Successfully</div>';
exit;
}
模型
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class User_model extends CI_Model {
public function fillgrid(){
$this->db->order_by("id", "desc");
$data = $this->db->get('user');
foreach ($data->result() as $row){
$edit = base_url().'index.php/user_controller/edit/';
$delete = base_url().'index.php/user_controller/delete/';
echo "<tr>
<td>$row->firstname</td>
<td>$row->lastname</td>
<td>$row->email</td>
<td>$row->contact_no</td>
<td>$row->address</td>
<td>$row->created</td>
<td><a href='$edit' data-id='$row->id' class='btnedit' title='edit'><i class='glyphicon glyphicon-pencil' title='edit'></i></a> <a href='$delete' data-id='$row->id' class='btndelete' title='delete'><i class='glyphicon glyphicon-remove'></i></a></td>
</tr>";
}
exit;
}
public function create(){
$data = array('firstname'=> $this->input->post('firstname'),
'lastname'=> $this->input->post('lastname'),
'email'=>$this->input->post('email'),
'contact_no'=>$this->input->post('contact_no'),
'address'=>$this->input->post('address'),
'created'=>date('d/m/y'));
$this->db->insert('user', $data);
echo'<div class="alert alert-success">One record inserted Successfully</div>';
exit;
}
private function edit(){}
private function delete(){}
//2015.7.26
//set table name to be used by all functions
var $table = 'user';
function fetch_record($limit, $start)
{
$this->db->limit($limit, $start);
$query = $this->db->get($this->user);
return ($query->num_rows() > 0) ? $query->result() : FALSE;
}
function record_count()
{
return $this->db->count_all_results('user');
}
//2015.7.26
}
//2015.7.26
public function pagination(){
$page_number = $this->input->post('page_number');
$item_par_page = 2;
$position = ($page_number*$item_par_page);
$result_set = $this->db->query("SELECT * FROM user LIMIT ".$position.",".$item_par_page);
$total_set = $result_set->num_rows();
$page = $this->db->get('user') ;
$total = $page->num_rows();
//break total recoed into pages
$total = ceil($total/$item_par_page);
if($total_set>0){
$entries = null;
// get data and store in a json array
foreach($result_set->result() as $row){
$entries[] = $row;
}
$data = array(
'TotalRows' => $total,
'Rows' => $entries
);
$this->output->set_content_type('application/json');
echo json_encode(array($data));
}
exit;
}
看法
<div class="well">
<form class="form-inline" role="form" id="frmadd" action="<?php echo base_url() ?>index.php/user_controller/create" method="POST">
<!--First Name-->
<div class="form-group">
<label class="sr-only" for="firstname">First Name</label>
<input type="text" name="firstname" class="form-control" id="firstname" placeholder="First name">
</div>
<!--/First Name-->
<!--Last Name-->
<div class="form-group">
<label class="sr-only" for="lastname">Last Name</label>
<input type="text" name="lastname" class="form-control" id="lastname" placeholder="Last Name">
</div>
<!--/Last Name-->
<!-- email-->
<div class="form-group">
<div class="input-group">
<div class="input-group-addon">@</div>
<input class="form-control" name="email" type="email" placeholder="Enter email">
</div>
</div>
<!-- email-->
<!--Contact-->
<div class="form-group">
<label class="sr-only" for="contact_no">Contact</label>
<input type="text" class="form-control" name="contact_no" id="contact_no" placeholder="contact number">
</div>
<!--/Contact-->
<!--Address-->
<div class="form-group">
<label class="sr-only" for="address">Address</label>
<input type="text" name="address" class="form-control" id="exampleInputPassword2" placeholder="Address">
</div>
<!--/Address-->
<!--submit-->
<input type="submit" class="btn btn-success" id="exampleInputPassword2" value="submit">
<!--/submit-->
</div>
</form>
</div>
<table class="table">
<thead><tr><th>First Name</th><th>Last Name</th><th>Email</th><th>Contact</th><th>Address</th><th>created</th><th>Action</th></tr></thead>
<tbody id="fillgrid">
</tbody>
<tfoot></tfoot>
</table>
<!-- //2015.7.26-->
<div class="row clear-fix">
<div class="col-md-4 pull-right">
<button id="previous" class="btn btn-sm btn-primary">Previous</button>
<lable>Page <lable id="page_number" name="page_number" ></lable> of <lable id="total_page" name="total_page"></lable></lable>
<button id="next" class="btn btn-sm btn-primary">Next</button>
</div>
</div>
<div style="text-align: center">
<!--//2015.7.26-->
</div>
</div>
</div>
<script>
$(document).ready(function (){
//fill data
var btnedit='';
var btndelete = '';
fillgrid();
// add data
$("#frmadd").submit(function (e){
e.preventDefault();
$("#loader").show();
var url = $(this).attr('action');
var data = $(this).serialize();
$.ajax({
url:url,
type:'POST',
data:data
}).done(function (data){
$("#response").html(data);
$("#loader").hide();
fillgrid();
});
});
function fillgrid(){
$("#loader").show();
$.ajax({
url:'<?php echo base_url() ?>index.php/user_controller/fillgrid',
type:'GET'
}).done(function (data){
$("#fillgrid").html(data);
$("#loader").hide();
btnedit = $("#fillgrid .btnedit");
btndelete = $("#fillgrid .btndelete");
var deleteurl = btndelete.attr('href');
var editurl = btnedit.attr('href');
//delete record
btndelete.on('click', function (e){
e.preventDefault();
var deleteid = $(this).data('id');
if(confirm("are you sure")){
$("#loader").show();
$.ajax({
url:deleteurl,
type:'POST' ,
data:'id='+deleteid
}).done(function (data){
$("#response").html(data);
$("#loader").hide();
fillgrid();
});
}
});
//edit record
btnedit.on('click', function (e){
e.preventDefault();
var editid = $(this).data('id');
$.colorbox({
href:"<?php echo base_url()?>index.php/user_controller/edit/"+editid,
top:50,
width:500,
onClosed:function() {fillgrid();}
});
});
});
}
});
</script>
我认为您必须检查您的数据库字段名称，它将肯定可以正常工作，您缺少一些数据库字段名称...
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