public function details($id = '')
{
if (!$id) {
$this->error('参数错误', '/Home/Guide/doctor');
}
$newsInfo = News::instance()->get($id, 'news');
$lists = News::instance()->lists('news', array('status' => 1, 'news_type_id' => $newsInfo['news_type_id']));
$count = count($lists);
foreach ($lists as $k => $v) {
if ($v['id'] == $id) {
$newsK = $k;
}
}
//计算上一页
$prevId = null;
if ($newsK - 1 >= 0) {
$prevId = $lists[$newsK - 1]['id'];
}
//计算下一页
$nextId = null;
if ($newsK + 1 <= $count) {
$nextId = $lists[$newsK + 1]['id'];
}
$this->assign('newsInfo', $newsInfo);
$this->assign('prevId', $prevId);
$this->assign('nextId', $nextId);
$this->display();
}
/**
* 添加编辑
*/
public function save()
{
$id = I('id');
if ($_POST) {
//判断标题，内容是否为空
if (!empty($_POST['title']) && !empty($_POST['content'])) {
if (isset($id) && !empty($id)) {
// 编辑
$news_icon_url = '.' . I('news_icon_url');
//新文件路径
$old_icon_url = '.' . I('old_icon_url');
//旧文件路径
//文件更改判断.删除旧文件
if ($news_icon_url != $old_icon_url && file_exists($old_icon_url)) {
unlink($old_icon_url);
}
$data['updated_at'] = time();
$data['id'] = htmlspecialchars($_POST['id']);
$data['title'] = htmlspecialchars($_POST['title']);
$data['author'] = htmlspecialchars($_POST['author']);
$data['description'] = htmlspecialchars($_POST['description']);
$data['news_icon_url'] = htmlspecialchars($_POST['news_icon_url']);
$data['news_type_id'] = htmlspecialchars($_POST['news_type_id']);
$data['content'] = htmlspecialchars($_POST['content']);
$data['status'] = htmlspecialchars($_POST['status']);
News::instance()->edit($data, "news");
} else {
// 添加
$data['created_at'] = time();
$data['updated_at'] = time();
$data['title'] = htmlspecialchars($_POST['title']);
$data['author'] = htmlspecialchars($_POST['author']);
$data['description'] = htmlspecialchars($_POST['description']);
$data['news_icon_url'] = htmlspecialchars($_POST['news_icon_url']);
$data['news_type_id'] = htmlspecialchars($_POST['news_type_id']);
$data['content'] = htmlspecialchars($_POST['content']);
$data['status'] = htmlspecialchars($_POST['status']);
News::instance()->add($data, "news");
}
}
$this->_success('操作成功', U('News/lists'));
exit;
}
if (isset($id) && !empty($id)) {
// 编辑
$bean = News::instance()->get($id, "news");
$this->assign('bean', $bean);
// 文章对象
$this->display('edit');
} else {
$this->display('add');
}
}
