Method beginRun

tutorial/MyGAspect/MyTimerAspect.h:21–24

* 实现计时切面逻辑，记录 run() 方法的执行耗时信息 */

     * 实现计时切面逻辑，记录 run() 方法的执行耗时信息
     */
    CStatus beginRun() override {
        start_ts_ = std::chrono::steady_clock::now();
        return CStatus();
    }

    CVoid finishRun(const CStatus& curStatus) override {
        std::chrono::duration<double, std::milli> span = std::chrono::steady_clock::now() - start_ts_;