1 public function show_cate(){ 2          3         $category_name = array( 4             ‘1‘ => ‘政法综治前沿‘, 5             ‘2‘ => ‘政策法规‘, 6             ‘3‘ => ‘平安建设‘, 7             ‘4‘ => ‘通知公告‘, 8             ‘5‘ => ‘理论研讨‘, 9             ‘6‘ => ‘本地动态‘,10             ‘7‘ => ‘队伍建设‘,11             );12         $category_id = I(‘get.category_id‘);13         $model = M(‘zx_article‘);14                                  //计算要显示的总数据条数15         $count = $model->where(‘category_id =‘.$category_id)->order(‘article_id desc‘)->count();16                                 //实例化Page类，传入总条数和每页要显示的条数17         $page = new \Think\Page($count,2);18                               //使用limit函数指定查询和操作的数量19         $data = $model->where(‘category_id =‘.$category_id)->order(‘article_id desc‘)->limit($page->firstRow.‘,‘.$page->listRows)->select();20                                 //传数据给模板21         $this->assign(‘data‘,$data);22                                //调用Page类的show()函数
23         $this->assign(‘page‘,$page->show());24         $this->assign(‘name‘,$category_name[$category_id]);25         $this->display();26     }