官方文档
源码
spring.factories 中有自动配置类 DynamicDataSourceAutoConfiguration
应用
@DS("#dSource")
public List<OrderDetail> getOrderDetailsByDSource(Map map, String dSource) {
return nabsOrderDetailMapper.getOrderDetails(map);
}
com.baomidou.dynamic.datasource.processor.DsSpelExpressionProcessor#doDetermineDatasource 用到了 Spring EL