实现了一个培训网，培训机构可以通过此平台发布自己的培训信息，而培训用户可以选择培训机构参加相关内容培训，平台通过管理员实现对培训机构和培训用户的管理和维护-Implement a training network, the training institutions can use this platform to publish their own training information, and training users can choose the content of traini