package com.dy.pipIrrDemo.demo; import com.dy.pipIrrGlobal.daoDemo.DemoTestMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; @Service public class DemoSv { @Autowired private DemoTestMapper demoTestDao; public String getCount(){ Integer count = this.demoTestDao.queryCount() ; return "" + count ; } @Transactional public int addAuthAndUser() { //int n = this.baUserDao.addAuth(auth); //return n + i; return 2 ; } }