Controller\Admin\Message::update PHP Method

    public function update()
    {
        $result = array('error' => 1, 'message' => 'Request failed');
        if ($_POST['message_id'] != null) {
            // 修改
            $msg = MessageModel::getMessageById(trim($_POST['message_id']));
            if ($msg) {
                // 修改
                $msg->content = $_POST['message_content'] == null ? "" : str_replace(array("\r\n", "\n", "\r"), '<br />', $_POST['message_content']);
                $msg->pushTime = $_POST['message_pushTime'] == null ? 0 : strtotime($_POST['message_pushTime']);
                $msg->pushUsers = $_POST['message_pushUsers'] == null ? -1 : $_POST['message_pushUsers'];
                $msg->type = $_POST['message_type'];
                $msg->pushEndTime = $_POST['message_pushEndTime'] == null ? 0 : strtotime($_POST['message_pushEndTime']);
                $msg->enable = $_POST['message_enable'] == null ? 0 : $_POST['message_enable'];
                $msg->save();
                $result = array('error' => 0, 'message' => '更新成功');
            }
        } else {
            $msg = new MessageModel();
            $msg->content = $_POST['message_content'] == null ? "" : str_replace(array("\r\n", "\n", "\r"), '<br />', $_POST['message_content']);
            $msg->pushTime = $_POST['message_pushTime'] == null ? 0 : strtotime($_POST['message_pushTime']);
            $msg->pushUsers = $_POST['message_pushUsers'] == null ? 0 : $_POST['message_pushUsers'];
            $msg->type = $_POST['message_type'];
            $msg->pushEndTime = $_POST['message_pushEndTime'] == null ? 0 : strtotime($_POST['message_pushEndTime']);
            $msg->enable = $_POST['message_enable'] == null ? 0 : $_POST['message_enable'];
            $msg->save();
            $result = array('error' => 0, 'message' => '添加新消息成功');
        }
        $msg->content = nl2br(mb_substr(htmlspecialchars($msg->content), 0, 20, 'utf-8'));
        $msg->pushEndTime = date('Y-m-d H:i:s', $msg->pushEndTime);
        $type = "";
        switch ($msg->type) {
            case '-1':
                $type = "重复消息";
                break;
            case '-2':
                $type = "系统公告";
                break;
            case '-3':
                $type = "套餐处说明";
                break;
            case '-4':
                $type = "首页浮动提示";
                break;
            case '-5':
                $type = "登录页公告";
                break;
            case '0':
            default:
                $type = "正常消息";
                break;
        }
        $msg->type = $type;
        $pushTo = "";
        switch ($msg->pushUsers) {
            case '-2':
                $pushTo = "系统固定消息";
                break;
            case '-1':
                $pushTo = "系统消息";
                break;
            default:
                $pushTo = "用户：" . $msg->pushUsers;
                break;
        }
        $msg->pushUsers = $pushTo;
        $result['modal'] = $msg;
        return $result;
    }