说明：  ThinkPHP V5.0 快速入门系列是学习和掌握ThinkPHP5.0不可多得的入门指引教程，针对新手用户由浅入深给出了详尽的使用。 本系列围绕WEB开发和API开发常用的一系列基础功能进行循序渐进的讲解。 由于编写过程中`5.0`版本也在不断完善，本快速入门系列会保持更新，涉及到的内容和示例，以及用户反馈的勘误也会随时进行修订。
(ThinkPHP V5.0 quick start series is a rare guide for learning and mastering ThinkPHP 5.0. It gives detailed use for novice users from simple to deep. This series focuses on a series of basic functions commonly used in web development and API development. Due to the continuous improvement of version 5.0 during the writing process, this quick start series will be kept updated, and the contents and examples involved, as well as the Corrigendum of user feedback, will be revised at any time.)