$catagory = new Category(); if (!$catagory->getCategoryByParentIdAndName($c_parent_id, $c_name)) { if ($catagory->insertCategory($c_name, $c_parent_id, $c_sort)) { admin_redirect('category.php', '插入成功!', 2); } else { admin_redirect('category.php?act=add', '插入失败!', 3); } } } else { if ($act == 'delete') { $c_id = isset($_GET['id']) ? $_GET['id'] : 0; if ($c_id == 0) { admin_redirect('category.php', '没有要删除的商品分类!', 3); } $category = new Category(); $res = $category->canDelete($c_id); if ($res === true) { if ($category->deleteCategory($c_id)) { admin_redirect('category.php', '删除成功!', 3); } else { admin_redirect('category.php', '删除失败!' . $res, 3); } } else { admin_redirect('category.php', '不能删除商品分类!因为' . $res, 3); } } else { if ($act == 'edit') { $c_id = isset($_GET['id']) ? $_GET['id'] : 0; if ($c_id == 0) { admin_redirect('category.php', '没有要编辑的商品分类!', 3); }