package com.example.erp.service.userInfo; import com.baomidou.dynamic.datasource.annotation.DS; import com.example.erp.entity.userInfo.AppVersion; import com.example.erp.mapper.userInfo.AppVersionMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; @Service @DS("user_info") public class AppVersionService { private final AppVersionMapper appVersionMapper; public AppVersionService(AppVersionMapper appVersionMapper) { this.appVersionMapper = appVersionMapper; } public AppVersion searchVersion() { return appVersionMapper.selectById(1); } }