/**
* 删除标签
* @param $id
*/
public function delTag($id = -1)
{
$TagsLogic = new TagsLogic();
$PostsLogic = new PostsLogic();
$process_method = I('post.process_method');
if ($process_method == 'totag' && I('post.newtag') == $id) {
$this->error("移动后的标签不能和当前分类相同");
}
if ($TagsLogic->delete($id)) {
if (D('Post_tag')->where(array("tag_id" => $id))->find()) {
$pt_list = D('Post_tag')->where(array("tag_id" => $id))->select();
foreach ($pt_list as $pt) {
if ($process_method == 'del') {
$PostsLogic->preDel($pt['post_id']);
}
if ($process_method == 'totag') {
$data['tag_id'] = I('post.newtag');
D('Post_tag')->where(array("pt_id" => $pt['pt_id']))->data($data)->save();
}
}
}
} else {
$this->error('标签删除失败:没有找到指定标签,可能它已经被删除', U('Admin/Posts/tag'));
}
$this->success('标签删除成功', U('Admin/Posts/tag'));
}
