1、实现IStudentDAOImpl类中的函数addStudentBySequence(),代码如下:
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
2、Student.xml文件中添加如下代码:
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
<!-- keyProperty="sid"的sid指的是java中的属性,而不是数据库中的列名,把它去掉的话报空指针异常 --> <selectKey resultClass="int" keyProperty="sid">
select studentPKSequence.nextVal from dual
</selectKey>
insert into student(sid, sname, major, birth, score) values(#sid#, #sname#, #major#, #birth#, #score#)
</insert>
3、main()调用