application/admin/controller/Admin.php

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<?php
/**
 * 易优CMS
 * ============================================================================
 * 版权所有 2016-2028 海南赞赞网络科技有限公司，并保留所有权利。
 * 网站地址: http://www.eyoucms.com
 * ----------------------------------------------------------------------------
 * 如果商业用途务必到官方购买正版授权, 以免引起不必要的法律纠纷.
 * ============================================================================
 * Author: 小虎哥 <1105415366@qq.com>
 * Date: 2018-4-3
 */

namespace app\admin\controller;

use think\Page;
use think\Verify;
use think\Db;
use think\db\Query;
use think\Session;
use app\admin\model\AuthRole;
use app\admin\logic\AjaxLogic;

class Admin extends Base {

    private $admin_info = [];

    public function _initialize() {
        parent::_initialize();
        $this->admin_info = session('?admin_info') ? session('admin_info') : [];
        $this->assign('admin_info', $this->admin_info);
    }

    public function index()
    {
        $list = array();
        $keywords = input('keywords/s');
        $keywords = addslashes(trim($keywords));

        $condition = array();
        if (!empty($keywords)) {
            $condition['a.user_name|a.true_name'] = array('LIKE', "%{$keywords}%");
        }

        /*权限控制 by 小虎哥*/
        if (0 < intval($this->admin_info['role_id'])) {
            $condition['a.admin_id|a.parent_id'] = $this->admin_info['admin_id'];
        } else {
            if (!empty($this->admin_info['parent_id'])) {
                $condition['a.admin_id|a.parent_id'] = $this->admin_info['admin_id'];
            }
        }
        /*--end*/

        /**
         * 数据查询
         */
        $count = DB::name('admin')->alias('a')->where($condition)->count();// 查询满足要求的总记录数
        $Page = new Page($count, config('paginate.list_rows'));// 实例化分页类 传入总记录数和每页显示的记录数
        $list = DB::name('admin')->field('a.*, b.name AS role_name')