usky-website/web/application/controllers/admin/news.php

<?php
!defined('BASEPATH') && exit('No direct script access allowed');

class News extends MY_Admin_Controller
{
    protected $check_access = false;

    public function __construct()
    {
        parent::__construct();
        $this->load->model('admin_model','admin');
        $this->load->model('news_model','news');
    }

    public function index()
    {
        if(!$this->checkAdminLogin())
        {
            $this->load->view('adminLoginView');    
        } else {
            $type          = $this->input->get('type');
            $items         = $this->news->all($type);
            $exa           = $this->config->item("NEWS");
            $data['exa']   = $exa;
            $data['items'] = $items;
            $data['type']  = $type;
            $this->load->view('newsView' , $data);     
        }
    }

    public function add()
    {
        
        $action       = $this->input->get('action');
        $type         = $this->input->get('type');
        $exa          = $this->config->item("NEWS");
        $data['exa']  = $exa;
        $data['type'] = $type;

        if($action == 'insert'){
            $_POST[]             =   $this->security->xss_clean($_POST);
            $parm['type']        = $type;
            $parm['title']       = trim($_POST['title']);
            $parm['author']      = trim($_POST['author']);
            $parm['from']        = trim($_POST['from']);
            $parm['pv']          = trim($_POST['pv']);
            $parm['publishtime'] = strtotime(trim($_POST['publishtime']));
            $parm['addtime']     = time();
            $parm['img']         = trim($_POST['img']);
            $parm['desc']        = str_replace("\n", "<br>", trim($_POST['desc']));
            $parm['content']     = trim($_POST['content']);
            if($this->news->insert($parm)){
                exit('<script language="javascript">alert("添加成功"); document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
                }
            else
                exit('<script language="javascript">alert("添加失败"); document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
        }
        $this->load->view('newsAddView' , $data); 
    }

    public function edit()
    {
        $id           = $this->input->get('id' , true);
        $action       = $this->input->get('action');
        $type         = $this->input->get('type');
        $exa          = $this->config->item("NEWS");
        $data['exa']  = $exa;
        $data['type'] = $type;

        if($action == 'update'){
            $_POST[]             =   $this->security->xss_clean($_POST);
            $id                  = $_POST['id'];
            $parm['type']        = trim($_POST['type']);
            $parm['title']       = trim($_POST['title']);
            $parm['author']      = trim($_POST['author']);
            $parm['from']        = trim($_POST['from']);
            $parm['pv']          = trim($_POST['pv']);
            $parm['publishtime'] = strtotime(trim($_POST['publishtime']));
            $parm['addtime']     = time();
            $parm['img']         = trim($_POST['img']);
            $parm['desc']        = str_replace("\n", "<br>", trim($_POST['desc']));
            $parm['content']     = trim($_POST['content']);
            if($this->news->update($id , $parm)){
                exit('<script language="javascript">alert("更新成功"); document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
                }
            else{
                exit('<script language="javascript">alert("更新失败"); document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
            }
        }
        $item         = $this->news->get($id);
        $data['item'] = $item;
        $this->load->view('newsEditView' , $data); 
    }

    public function del()
    {
        $id     = $this->input->get('id' , true);
        if($this->news->delete($id)){
            exit('<script language="javascript">alert("删除成功"); document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
        }
        else
            exit('<script language="javascript">alert("删除失败"); document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
    }

   // public function update_ord()
   // {    
   //      $type         = $this->input->get('type');
   //      $id           = $this->input->get('id' , true);
   //      $last_id      = $this->input->get('last_id' , true);
   //      $parm         = $this->news->get($id);
   //      $parm1        = $this->news->get($last_id);
   //      $temp         = $parm['ord'];
   //      $parm['ord']  = $parm1['ord'];
   //      $parm1['ord'] = $temp;
   //      if($this->news->update($id , $parm) && $this->news->update($last_id , $parm1)){
   //          exit('<script language="javascript"> document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
   //      }
   //      else
   //          exit('<script language="javascript">alert("失败"); document.location.href="'.ADMIN_PATH.'/news?type='.$type.'";</script>');
   // }

}