首先，请原谅我糟糕的英语。：P
项目结构如下：
parent
|-- admin // spring boot web application for management.
| |-- client // SDK for other applications. publish it to maven.
| | |-- src
| | `-- build.gradle
| |-- public // common part of admin and client of it. Such as DTOs.
| | |-- src
| | `-- build.gradle
| |-- src
| `-- build.gradle
|-- common // common part of admin and server.
| |-- src
| `-- build.gradle
|-- public // common …