求翻译：这一部分主要包括定时任务的创建和运行、HttpClient模拟网店登录和网店数据的抓取以及数据库的建立和系统模块功能的实现，最后说明了系统的优点和系统存在问题是什么意思？

This section includes the cron job to create and run Httpclient simulated shop login and shop data capture and database creation and system module function implementation, and finally illustrates the advantages and problems

This includes some of the major tasks are created and regularly run, HttpClient analog web shop online store login and grab the data as well as the establishment of the database and the system function of the module, the final instructions for the system's benefits and there is a problem with your s

This part mainly includes fixed time the duty foundation and the movement, the HttpClient simulation network shop registers with the net shop data capture as well as the database establishment and the system module function realization, finally explained the system merit and the system existence que

This section mainly include scheduled tasks are created and run, HttpClient simulation online store login and online data capture and database of module and system realization of, and illustrates the advantages of the system and system problems

正在翻译，请等待...