【Java毕业设计】java web,毕业设计.zip

package com.SSSSWeb.model.business.dao; import java.util.ArrayList; import org.hibernate.Query; import org.hibernate.SessionFactory; import com.SSSSWeb.model.domain.User; import org.hibernate.Session; public class UserDAO { private SessionFactory sf; public void setSf(SessionFactory sf) { this.sf = sf; } public int insertUser(User user) { Session session = sf.getCurrentSession(); int i=0; String hql = "from Use where username='"+user.getUsername()+"'"; Query query = session.createQuery(hql); //Use u=(Use)query.uniqueResult(); ArrayList resultList = (ArrayList) query.list(); if(resultList.size() > 0){ i=1; return i; } session.save(user); return i; } public ArrayList selectAllUser(){ Session session = sf.getCurrentSession(); String hql = "select * from User"; Query query = session.createSQLQuery(hql); ArrayList resultList = (ArrayList) query.list(); return resultList; } public ArrayList selectUser(String name){ Session session = sf.getCurrentSession(); String hql = "select * from User"+"where username="+name; Query query = session.createSQLQuery(hql); ArrayList resultList = (ArrayList) query.list(); return resultList; } public void updateUser(User u) { Session session = sf.getCurrentSession(); User oldUser=(User)session.get(User.class, u.getUserid()); oldUser.setPost(u.getPost()); session.save(oldUser); } public User CheckUser(User user){ Session session = sf.getCurrentSession(); String hql="from User where username= '"+ user.getUsername()+"' and password='"+ user.getPassword()+"'"; Query query=session.createQuery(hql); User u=(User)query.uniqueResult(); return u; } public void ChangePsw(User user) { Session session = sf.getCurrentSession(); User oldUser=(User)session.get(User.class, user.getUserid()); oldUser.setPassword(user.getPassword()); session.save(oldUser); } public void DeleteUser(User user){ Session session = sf.getCurrentSession(); User u = (User)session.get(User.class, user.getUserid()); session.delete(u); } }