Thinkphp列表搜索排序-----查

// 列表
public function lst()
{
$model = D('Goods');
// 获取带翻页的数据
$data = $model->search();
$this->assign(array(
'data' => $data['data'],
'page' => $data['page'],
));

$this->display();
}

public function search()
{
/************ 搜索 ****************/
$where = array();
// 商品名称的搜索
$goodsName = I('get.goods_name');
if($goodsName)
$where['goods_name'] = array('like', "%$goodsName%");
// 价格的搜索
$startPrice = I('get.start_price');
$endPrice = I('get.end_price');
if($startPrice && $endPrice)
$where['price'] = array('between', array($startPrice, $endPrice));
elseif ($startPrice)
$where['price'] = array('egt', $startPrice);
elseif ($endPrice)
$where['price'] = array('elt', $endPrice);
// 上架的搜索
$isOnSale = I('get.is_on_sale', -1);
if($isOnSale != -1)
$where['is_on_sale'] = array('eq', $isOnSale);
// 是否删除的搜索
$isDelete = I('get.is_delete', -1);
if($isDelete != -1)
$where['is_delete'] = array('eq', $isDelete);
/***************** 排序 ******************/
$orderby = 'id';  // 默认排序字段
$orderway = 'asc'; // 默认排序方式
$odby = I('get.odby');
if($odby && in_array($odby, array('id_asc','id_desc','price_asc','price_desc')))
{
if($odby == 'id_desc')
$orderway = 'desc';
elseif ($odby == 'price_asc')
$orderby = 'price';
elseif ($odby == 'price_desc')
{
$orderby = 'price';
$orderway = 'desc';
}
}
/************ 翻页 *************/
// 总的记录数
$count = $this->where($where)->count();
// 生成翻页对象
$page = new \Think\Page($count, 2);
// 获取翻页字符串
$pageString = $page->show();
// 取出当前页的数据
$data = $this->where($where)->limit($page->firstRow.','.$page->listRows)->order("$orderby $orderway")->select();

//echo $this->getLastSql();

return array(
'page' => $pageString,
'data' => $data,
);
}