public class LogDAO{
public void addLog()throws Exception(){
...这里执行日志的插入操作
}
}
public class UserDAO{
public void addUser(User user)throws Exception(){
...这里执行用户插入操作
}
}
public class UserService{
private LogDAO logDAO;
private UserDAO userDAO ;
public String saveUser(User user)throws Exception{
try{
logDAO.addLog();
userDAO .addUser(User user);
}catch(){
1.记录日志信息
2.执行rollback
3.抛出异常
}finally{
..执行后续处理操作
}
}
}
public void addLog()throws Exception(){
...这里执行日志的插入操作
}
}
public class UserDAO{
public void addUser(User user)throws Exception(){
...这里执行用户插入操作
}
}
public class UserService{
private LogDAO logDAO;
private UserDAO userDAO ;
public String saveUser(User user)throws Exception{
try{
logDAO.addLog();
userDAO .addUser(User user);
}catch(){
1.记录日志信息
2.执行rollback
3.抛出异常
}finally{
..执行后续处理操作
}
}
}
public void examfinish(int rid, ExamRoom examRoom,String pid) {
// TODO Auto-generated method stub
String quekao = null;
String beizhu = null;
try {
quekao = java.net.URLDecoder.decode(examRoom.getQuekao(), "UTF-8");
beizhu = java.net.URLDecoder.decode(examRoom.getBeizhu(), "UTF-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
examRoom.setBeizhu(beizhu);
examRoom.setQuekao(quekao);
try {
examDao.examfinish(rid, examRoom);
examDao.paperfinish(pid);
} catch (Exception e) {
// TODO: handle exception
}
}
下面这个是第二个dao
public void paperfinish(String pid) {
// TODO Auto-generated method stub
Paper pap = (Paper) sessionFactory.getCurrentSession().load(Paper.class, pid);
pap.setExamstate(1);
sessionFactory.getCurrentSession().update(pap);
}
catch (Exception e) {
// TODO: handle exception
}
这里面加上 e.printStackTrace();
看看异常信息。