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<?php
/**
* [Laike System] Copyright (c) 2017-2020 laiketui.com
* Laike is not a free software, it under the license terms, visited http://www.laiketui.com/ for more details.
*/
require_once(MO_LIB_DIR . '/DBAction.class.php');
class modifyAction extends Action {
public function getDefaultView() {
$db = DBAction::getInstance();
$request = $this->getContext()->getRequest();
$cat_id = intval($request->getParameter("cat_id"));
// 根据分类id,查询新闻分类表
$sql = "select * from lkt_news_class where cat_id = '$cat_id'";
$r = $db->select($sql);
if($r){
$cat_name = $r[0]->cat_name; // 分类名称
$sort = $r[0]->sort; // 分类排序
}
$request->setAttribute('cat_id', $cat_id);
$request->setAttribute('cat_name', isset($cat_name) ? $cat_name : '');
$request->setAttribute('sort', isset($sort) ? $sort : '');
return View :: INPUT;
}
public function execute(){
$db = DBAction::getInstance();
$request = $this->getContext()->getRequest();
$cat_id = intval($request->getParameter('cat_id'));
$cat_name = addslashes(trim($request->getParameter('cat_name')));
$sort = floatval(trim($request->getParameter('sort')));
//检查分类名是否重复
$sql = "select cat_id from lkt_news_class where cat_name = '$cat_name' and cat_id <> '$cat_id'";
$r = $db->select($sql);
if ($r) {
header("Content-type:text/html;charset=utf-8");
echo "<script type='text/javascript'>" .
"alert('新闻分类 {$cat_name} 已经存在,请选用其他名称修改!');" .
"</script>";
return $this->getDefaultView();
}
//更新分类列表
$sql = "update lkt_news_class " .
"set cat_name = '$cat_name', sort = '$sort'"
."where cat_id = '$cat_id'";
$r = $db->update($sql);
if($r == -1) {
echo "<script type='text/javascript'>" .
"alert('未知原因,修改新闻分类失败!');" .
"location.href='index.php?module=newsclass';</script>";
return $this->getDefaultView();
} else {
header("Content-type:text/html;charset=utf-8");
echo "<script type='text/javascript'>" .
"alert('修改新闻分类成功!');" .
"location.href='index.php?module=newsclass';</script>";
}
return;
}
public function getRequestMethods(){
return Request :: POST;
}
}
?>