State.php
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<?php
namespace app\admin\controller\reservoir;
use app\common\controller\Backend;
use think\Db;
use think\exception\PDOException;
/**
*
*
* @icon fa fa-circle-o
*/
class State extends Backend
{
/**
* State模型对象
* @var \app\admin\model\reservoir\State
*/
protected $model = null;
public function _initialize()
{
parent::_initialize();
$this->model = new \app\admin\model\reservoir\State;
}
public function import()
{
parent::import();
}
/**
* 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
* 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
* 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
*/
/**
* 查看
*/
public function index()
{
//当前是否为关联查询
$this->relationSearch = true;
//设置过滤方法
$this->request->filter(['strip_tags', 'trim']);
if ($this->request->isAjax()) {
//如果发送的来源是Selectpage，则转发到Selectpage
if ($this->request->request('keyField')) {
return $this->selectpage();
}
list($where, $sort, $order, $offset, $limit) = $this->buildparams();
$list = $this->model
->with(['reservoirprovince'])
->where($where)
->order($sort, $order)
->paginate($limit);
foreach ($list as $row) {
$row->getRelation('reservoirprovince')->visible(['name']);
}
$result = array("total" => $list->total(), "rows" => $list->items());
return json($result);
}
return $this->view->fetch();
}
/**
* 删除
*/
public function del($ids = "")
{
if (!$this->request->isPost()) {
$this->error(__("Invalid parameters"));
}
$ids = $ids ? $ids : $this->request->post("ids");
if ($ids) {
$pk = $this->model->getPk();
$adminIds = $this->getDataLimitAdminIds();
if (is_array($adminIds)) {
$this->model->where($this->dataLimitField, 'in', $adminIds);
}
$list = $this->model->where($pk, 'in', $ids)->select();
$count = 0;
Db::startTrans();
try {
foreach ($list as $k => $v) {
$state = Db::name('reservoir_county')->where('state_id','=',$v->id)->find();
if($state){
Db::rollback();
$this->error("'$v->name'下级包含未删除数据");
}
$count += $v->delete();
}
Db::commit();
} catch (PDOException $e) {
Db::rollback();
$this->error($e->getMessage());
} catch (Exception $e) {
Db::rollback();
$this->error($e->getMessage());
}
if ($count) {
$this->success();
} else {
$this->error(__('No rows were deleted'));
}
}
$this->error(__('Parameter %s can not be empty', 'ids'));
}
}