function createPost($wall, $title, $content) { global $loginUser; if (!$loginUser) { returnError('请先登录'); return; } try { $userData = WaUser::GetUserData($loginUser); if (!$userData) { throw new Exception('获取用户失败。'); } } catch (Exception $e) { returnError($e->getMessage()); return; } $wealth = $userData['user_wealth']; if ($wealth < 1) { returnError('墙砖不够。'); return; } $userData['user_wealth'] -= 1; $userData['user_exp'] += 1; try { $ret = WaPost::CreatePost($wall, $title, $content, $loginUser); if (!$ret) { throw new Exception('创建帖子失败。'); } $ret = WaUser::SetUserData($loginUser, $userData); if (!$ret) { throw new Exception('扣墙砖失败。'); } } catch (Exception $e) { returnError($e->getMessage()); return; } $ret = array('post_id', $ret); echo json_encode($ret); }