Service层
@Service
public class UserService extends ServiceImpl<UserMapper, User> {
}
实现:
//批量新增
@Test
public void bach(){
List<User> listuser=new ArrayList<User>();
for(int i=0;i<6;i++){
User user= new User();
user.setId((long)i);
user.setUserName(i+"康康");
user.setPassword("123456");
listuser.add(user);
}
userService.saveBatch(listuser);//批量导入
System.out.println("成功");
}
//批量修改
@Test
public void bach1(){
List<User> listuser=new ArrayList<User>();
for(int i=1;i<6;i++){
User user= new User();
user.setId((long)i);
user.setUserName(i+"康康2");
user.setPassword("123456");
listuser.add(user);
}
userService.updateBatchById(listuser);//批量导入
System.out.println("成功");
}