getContext()->getRequest();
        // 接收信息
        $id = intval($request->getParameter("id")); // 文章id
        $uploadImg = addslashes($request->getParameter('uploadImg')); // 图片上传位置
        // 根据文章id,查询文章文章信息
        $sql = "select * from lkt_article where Article_id = '$id'";
        $r = $db->select($sql);
        if($r){
            $Article_title = $r[0]->Article_title; // 文章标题
            $Article_prompt = $r[0]->Article_prompt; // 文章标题
            $sort = $r[0]->sort; // 排序
            $content = $r[0]->content; // 文章内容Article_imgurl
            $Article_imgurl = $r[0]->Article_imgurl; // 文章图片
        }
		
        $dd = $_SERVER['PHP_SELF'];
        $ddd =explode('/', $dd);//打散成数组
        if($ddd){
            $pic = implode('/', $ddd);
        }else{
             $pic = "/LKT";
        }
        $pic =str_replace('..', '', $pic);
        $request->setAttribute('pic', $pic.'/images');
		$request->setAttribute('id', $id);
        $request->setAttribute('Article_title',$Article_title);
        $request->setAttribute('Article_prompt',$Article_prompt);
        $request->setAttribute('sort', isset($sort) ? $sort : '');
        $request->setAttribute('Article_imgurl', $Article_imgurl);
        $request->setAttribute('content', $content);
        $request->setAttribute('uploadImg', $uploadImg);
        return View :: INPUT;
	}
	public function execute(){
		$db = DBAction::getInstance();
        $request = $this->getContext()->getRequest();
        // 接收信息
        $id = intval($request->getParameter('id'));
        $uploadImg = addslashes($request->getParameter('uploadImg')); // 图片上传位置
        $Article_title = trim($request->getParameter('Article_title')); // 文章标题
        $Article_prompt = trim($request->getParameter('Article_prompt')); // 文章副标题
        $sort = floatval(trim($request->getParameter('sort'))); // 排序
        $imgurl = addslashes($request->getParameter('imgurl')); // 文章新图片
        $oldpic = addslashes($request->getParameter('oldpic')); // 文章原图片
        $content = addslashes($request->getParameter('content')); // 文章内容
        if($imgurl){
            $imgurl = preg_replace('/.*\//','',$imgurl);
            if($imgurl != $oldpic){
                @unlink ($uploadImg.$oldpic);
            }
        }else{
            $imgurl = $oldpic; // 文章图片
        }
		//更新数据表
		$sql = "update lkt_article " .
			"set Article_title = '$Article_title',Article_prompt = '$Article_prompt', sort = '$sort',Article_imgurl = '$imgurl', content = '$content' "
			."where Article_id = '$id'";
		$r = $db->update($sql);
		if($r == -1) {
		  echo "";
			return $this->getDefaultView();
		} else {
			header("Content-type:text/html;charset=utf-8");
			echo "";
		}
		return;
	}
	public function getRequestMethods(){
		return Request :: POST;
	}
}
?>