hibernate增删改查小例子

package Javas; import java.io.IOException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import ku.UserInfoPO; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.Transaction; public class Find extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Configer config=new Configer(); Session session=config.getSession(); Transaction transaction=session.beginTransaction(); String hqlsql="from UserInfoPO as user where user.userName=?"; Query query=session.createQuery(hqlsql); query.setParameter(0,request.getParameter("username")); List list=query.list(); transaction.commit(); session.close(); if(list.size()!=0){ String password= request.getParameter("password"); UserInfoPO ui=new UserInfoPO(); for(int i=0;i<list.size();i++){ ui=(UserInfoPO)list.get(i); if(ui.getPassword().equals(password)){ response.sendRedirect("../success.jsp?value=7"); return ; } } response.sendRedirect("../success.jsp?value=2"); }else{ response.sendRedirect("../success.jsp?value=1"); } } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request,response); } }