十、tp5的模型操作

查询目标表的记录数：

$total = $this->where($where)->count(1);

$page = new Page(22);
print_r($page);


app\common\controller\Page Object
(
[totalRows] => 22
[listRows] => 20
[firstRow] => 0
[nowPage] => 1
[totalPage] => 2
)