多数据源切换demo

Description

基于springboot2.3.4开发，通过aop完成多数据源的切换，通过继承AbstractRoutingDataSource类完成数据源的动态切换基础，以beetlsql作为orm框架，用druid作为数据库连接池。通过该项目验证了基于beetlsql动态新增并切换数据源的可行性。

Software Architecture

Software architecture description

Installation

1. xxxx
2. xxxx
3. xxxx

Instructions

1. xxxx
2. xxxx
3. xxxx

Contribution

1. Fork the repository
2. Create Feat_xxx branch
3. Commit your code
4. Create Pull Request

Gitee Feature

1. You can use Readme_XXX.md to support different languages, such as Readme_en.md, Readme_zh.md
2. Gitee blog blog.gitee.com
3. Explore open source project https://gitee.com/explore
4. The most valuable open source project GVP
5. The manual of Gitee https://gitee.com/help
6. The most popular members https://gitee.com/gitee-stars/