no commit message

AOSuite G2/showcase/b.springboot-mybatis/src/main/java/com/aosuite/showcase/service/impl/DemoServiceImpl.java

 package com.aosuite.showcase.service.impl;
 
+import org.apache.ibatis.session.SqlSession;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -7,6 +8,7 @@ import org.springframework.stereotype.Service;
 
 import com.alibaba.fastjson.JSON;
 import com.aosuite.showcase.dao.DemoDao;
+import com.aosuite.showcase.mapper.PetBasicInfoMapper;
 import com.aosuite.showcase.mapper.entity.PetBasicInfoEntity;
 import com.aosuite.showcase.service.DemoService;
 
@@ -18,6 +20,14 @@ public class DemoServiceImpl implements DemoService{
 	@Autowired
 	private DemoDao demoDao;
 	
+	//Service也可以直接注入mapper组件，但是不建议这么干。
+	//@Autowired
+	//private PetBasicInfoMapper petBasicInfoMapper;
+	
+	//Service也可以直接注入SqlSession，直接调用具体的某个SQL语句，但也不建议这么干。
+	//@Autowired
+	//private SqlSession sqlSession;
+	
 	@Override
 	public PetBasicInfoEntity getPetBasicInfoEntity(Integer id){
 		PetBasicInfoEntity petBasicInfoEntity = demoDao.getPetBasicInfoEntity(id);