> For the complete documentation index, see [llms.txt](https://ldbmcs.gitbook.io/java/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ldbmcs.gitbook.io/java/xi-tong-she-ji-15.md).

# 系统设计

- [服务安全](https://ldbmcs.gitbook.io/java/xi-tong-she-ji-15/fu-wu-an-quan.md)
- [授权(Authorization)](https://ldbmcs.gitbook.io/java/xi-tong-she-ji-15/fu-wu-an-quan/shou-quan-authorization.md)