public function deleteCategory()
{
/*$id=$this->_get('id');
$category=M('category')->select();
$delete_category_id=getChildCategoryById($category,$id);
//p($category);die;
if(M('category')->where(array('id'=>array('IN',$delete_category_id)))->delete()){
$this->success('删除成功');
}else{
$this->error('删除失败');
}*/
$category_id = $this->_get('category_id');
$category = M('category')->select();
$delete_category_id = getChildCategoryById($category, $category_id);
$delete_category_id[] = $category_id;
//p($delete_category_id);die;
$post = M('post')->where(array('category_id' => array('IN', $delete_category_id)))->select();
//p($post);die;
if ($post) {
$this->error('有文章属于该分类，请先删除该分类下全部文章才能删除该分类。。。');
}
if (M('category')->where(array('category_id' => array('IN', $delete_category_id)))->delete()) {
$this->success('删除成功');
} else {
$this->error('删除失败');
}
}
function getChildCategoryById($category, $category_id)
{
static $category_children_id = array();
if ($category) {
foreach ($category as $key => $value) {
if ($value['parent_id'] == $category_id) {
$category_children_id[] = $value['category_id'];
getChildCategoryById($category, $value['category_id']);
}
}
}
return $category_children_id;
}