Code: package com.utils; import java.sql.DriverManager; import java.sql.SQLException; import java.sql.Connection ; public class ConnectionManager { Connection con=null; public Connection getConnection() { try{ String serverName = "172.24.137.30"; String portNumber = "1521"; String sid = "ora10G"; String url = "jdbc:oracle:thin:@" + serverName + ":" + portNumber + ":" + sid; String username = "e526938"; String password = "ffGVfacum"; try { Class.forName("oracle.jdbc.driver.OracleDriver"); con = DriverManager.getConnection(url,username,password); } catch (SQLException ex) { ex.printStackTrace(); } } catch(ClassNotFoundException e) { e.printStackTrace(); } return con; } }
Servlet Code: protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if(null !=request.getParameter("check")) { String act = request.getParameter("check"); if (act.equalsIgnoreCase("inreq")) { response.setContentType("text/html"); StudId=Integer.parseInt(request.getParameter("Studentid")); AccId=Integer.parseInt(request.getParameter("Accountid")); AccNum=Integer.parseInt(request.getParameter("AccNum")); curntBal=Integer.parseInt(request.getParameter("Currbalance")); ystudy=Integer.parseInt(request.getParameter("study")); comit_amt=Integer.parseInt(request.getParameter("Committedamnt")); Bean b=new Bean(); b.setStudentId(StudId); b.setStdAccId(AccId); b.setaccnum(AccNum); b.setystudy(ystudy); b.setcommitamnt(comit_amt); b.setCurntBal(curntBal); Dao create=new Dao(); flag=create.insertStudent(b); if(flag==1) { request.setAttribute("stuList",create.studentId); request.setAttribute("accntid",create.accntId); request.setAttribute("accNm",create.accnum); request.setAttribute("curB",create.curntBal); request.setAttribute("eDate",create.curyr); request.setAttribute("cmtAmt",create.commitAmt); getServletConfig().getServletContext().getRequestDispatcher("/view_student.jsp").forward(request,response); } else getServletConfig().getServletContext().getRequestDispatcher("/Error.jsp").forward(request,response); } }
Dao Code: public int insertStudent(Bean b) { //This method is used for inserting values into the student account database PropertyConfigurator.configure(GenericConstants.LOGPATH); Statement statement=null; Connection con =c.getConnection(); logger.error("["+DateUtil.getSysDateTime()+"]::Connection Established Successfully :: CreateAccount"); logger.debug("["+DateUtil.getSysDateTime()+"]::Debugging CreateAccount "); logger.info("["+DateUtil.getSysDateTime()+"]::This class has the functionality of creating both Student and Nsep Account"); logger.warn("["+DateUtil.getSysDateTime()+"]::Inserting Student details"); int flag=1; try { statement= con.createStatement(); statement.executeUpdate("Insert into Student1 values(" + b.studentId + "," + b.stdAccId+ "," + b.accnum+ "," + b.currentBal + ","+b.ystudy+","+b.commitAmt+")"); ResultSet rs = statement.executeQuery("SELECT * FROM Student1" ); while( rs.next()) { studentId.add(rs.getInt(1)); accntId.add(rs.getInt(2)); accnum.add(rs.getInt(3)); curntBal.add(rs.getInt(4)); curyr.add(rs.getInt(5)); commitAmt.add(rs.getInt(6)); } } catch (SQLException e) { flag=0; logger.error("SQLException in CreateAccount :: "+e); }finally{ try { con.close(); } catch (SQLException e) { logger.error("SQLException Unable to close connection in CreateAccount :: "+e); flag=0; } } return flag; }
Viewing from Database Jsp Code: <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%@ page import="java.util.*" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> <table border="1"> <tr> <td>name</td> <td>department</td> <td>Employee Id</td> <td>salary</td> </tr> <% ArrayList<Integer> id = (ArrayList)request.getAttribute("empid"); ArrayList<Integer> salary = (ArrayList)request.getAttribute("salary"); ArrayList<Integer> name = (ArrayList)request.getAttribute("name1"); ArrayList<Integer> dept = (ArrayList)request.getAttribute("dep"); %> <% if(id.size()>0) { for(int i=0;i<id.size();i++) { %> <tr> <td><%=name.get(i)%>></td> <td><%=dept.get(i) %></td> <td><%=id.get(i) %></td> <td><%=salary%></td> </tr> <% } } else { %> <tr> <td>No Entries Found</td> </tr> <%} %> </table> </body> </html>
Registration Jsp Code: <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC > <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> <h1><centre>Employee Registration</centre></h1> <form name="emp" method="post" action="ControlServlet"> Enter Employee Name: <input type="text" name="name" size="20"><br></br> Enter Department: <input type="text" name="dept" size="20"><br></br> Enter Employee Id: <input type="text" name="id" size="20"><br></br> Enter Salary: <select name="salary" > <option value=10000>10,000</option> <option value=20000>20,000</option> <option value=30000>30,000</option><br></br> </select> <p><input id="inputsubmit1" type="submit" value="Submit" color="#00FFFF"></input></p> <p><input type="hidden" value="reg" name="check"></input></p> </form> </body> </html>
hey nick u can use these files also jsp Code: <% Iterator itr; ArrayList viewdata=(ArrayList)(session.getAttribute("empAllList")); %> <table border="2"> <tr> <td>Employee Id</td> <td>Name</td> <td>Role</td> <td>Phone</td> </tr> <% for(itr = viewdata.iterator(); itr.hasNext();) { %><tr><%EmpRegBean b=(EmpRegBean)itr.next();%> <td><%=b.getEmployeeid() %> </td> <td><%=b.getName() %> </td> <td><%=b.getRole() %> </td> <td><%=b.getPhone() %> </td> </tr><% } %> </table>
u can use this one also Code: public class Dao { static ConnectionManager c = new ConnectionManager(); static Connection con ; static Statement st; static ResultSet rs = null; static Logger logger = Logger.getLogger(Dao.class); public static ArrayList<EmpRegBean> Execute1(EmpRegBean empbean) { PropertyConfigurator.configure(GenericConstants.LOGPATH); st=null; String name = empbean.getName(); String role = empbean.getRole(); String phone = empbean.getPhone(); String insertQuery = "insert into employees values( eid.nextval,'"+ name +"','"+role+"' , '"+phone+ "',eid.nextval,pid.nextval)"; ArrayList<EmpRegBean> empRegList = new ArrayList<EmpRegBean>(); String detailQuery = "select * from employees where employeeid = (select max(employeeid) from employees where ename = '"+name+"' group by ename)"; logger.error("["+DateUtil.getSysDateTime()+"]::Connection Established Successfully :: Dao"); logger.debug("["+DateUtil.getSysDateTime()+"]::Debugging Employee Registration - Execute1 Class"); logger.info("["+DateUtil.getSysDateTime()+"]::Registering Employee & Displaying Registered Details"); try { //connect to DB con = c.getConnection(); st = con.createStatement(); st.executeQuery(insertQuery); rs = st.executeQuery(detailQuery); logger.warn("["+DateUtil.getSysDateTime()+"]::Registering Employee - Execute1 Class"); while (rs.next()) { EmpRegBean b =new EmpRegBean(); String id = rs.getString("employeeid"); String name1 = rs.getString("ename"); String rol = rs.getString("erole"); String ph= rs.getString("ephone"); String uname= rs.getString("username"); String p= rs.getString("pwd"); b.setEmployeeid(id); b.setRole(rol); b.setPhone(ph); b.setName(name1); b.setUserName(uname); b.setPwd(p); empRegList.add(b); } logger.warn("["+DateUtil.getSysDateTime()+"]::Displaying Registered Details"); } catch (SQLException e) { logger.error("SQLException in Dao :: "+e); }finally{ try { con.close(); } catch (SQLException e) { // TODO Auto-generated catch block logger.error("SQLException Unable to close connection in Dao :: "+e); } } return empRegList; } public static ArrayList<EmpRegBean> EmpSearch(String empId) { PropertyConfigurator.configure(GenericConstants.LOGPATH); ArrayList<EmpRegBean> empViewList = new ArrayList<EmpRegBean>(); st=null; String searchquery ="select employeeid,ename,erole,ephone from employees where employeeid='"+empId+"'"; String queryfinish="commit"; logger.error("["+DateUtil.getSysDateTime()+"]::Connection Established Successfully :: Dao"); logger.debug("["+DateUtil.getSysDateTime()+"]::Debugging - EmpSearch Class"); logger.info("["+DateUtil.getSysDateTime()+"]::Searching Employee Details from database"); try { con = c.getConnection(); st=con.createStatement(); rs = st.executeQuery(searchquery); logger.warn("["+DateUtil.getSysDateTime()+"]::Searching Employee Details from database - EmpSearch Class"); while (rs.next()) { EmpRegBean empbean=new EmpRegBean(); String id1 = rs.getString("employeeid"); String sname = rs.getString("ename"); String rol = rs.getString("erole"); String ph= rs.getString("ephone"); empbean.setEmployeeid(id1); empbean.setRole(rol); empbean.setPhone(ph); empbean.setName(sname); empViewList.add(empbean); } logger.warn("["+DateUtil.getSysDateTime()+"]::Displaying Employee Details"); rs = st.executeQuery(queryfinish); } catch (SQLException e) { logger.error("SQLException in Dao :: "+e); }finally{ try { con.close(); } catch (SQLException e) { // TODO Auto-generated catch block logger.error("SQLException Unable to close connection in Dao :: "+e); } } return empViewList; } public static EmpRegBean EmpUpdate(EmpRegBean empbean) { PropertyConfigurator.configure(GenericConstants.LOGPATH); st=null; logger.error("["+DateUtil.getSysDateTime()+"]::Connection Established Successfully :: Dao"); logger.debug("["+DateUtil.getSysDateTime()+"]::Debugging EmpUpdate Class"); logger.info("["+DateUtil.getSysDateTime()+"]::Updating Employee Details in database"); try { Statement st = null; con = c.getConnection(); st=con.createStatement(); logger.warn("["+DateUtil.getSysDateTime()+"]::Updating Employee Details in database - EmpUpdate Class"); String name = empbean.getName(); String id = empbean.getEmployeeid(); String role = empbean.getRole(); String pno = empbean.getPhone(); String updateQuery = "update employees set erole='"+role+"',ephone='"+pno+"',ename='"+name+"' where employeeid="+id+""; st.executeUpdate(updateQuery); } catch (SQLException e) { logger.error("SQLException in Dao :: "+e); }finally{ try { con.close(); } catch (SQLException e) { // TODO Auto-generated catch block logger.error("SQLException Unable to close connection in Dao :: "+e); } } return null; } public static List<EmpRegBean> EmpViewAll() { PropertyConfigurator.configure(GenericConstants.LOGPATH); ArrayList<EmpRegBean> empAllList = new ArrayList<EmpRegBean>(); st=null; String viewquery ="select employeeid,ename,erole,ephone from employees order by 1"; String queryfinish="commit"; logger.error("["+DateUtil.getSysDateTime()+"]::Connection Established Successfully :: Dao"); logger.debug("["+DateUtil.getSysDateTime()+"]::Debugging EmpViewAll Class"); logger.info("["+DateUtil.getSysDateTime()+"]::Dispalying All Employees Details"); try { con = c.getConnection(); st=con.createStatement(); rs = st.executeQuery(viewquery); logger.warn("["+DateUtil.getSysDateTime()+"]::Getting Employee details from the Database - EmpViewAll Class"); while (rs.next()) { EmpRegBean empbean=new EmpRegBean(); String id1 = rs.getString("employeeid"); String sname = rs.getString("ename"); String rol = rs.getString("erole"); String ph= rs.getString("ephone"); empbean.setEmployeeid(id1); empbean.setRole(rol); empbean.setPhone(ph); empbean.setName(sname); empAllList.add(empbean); } logger.warn("["+DateUtil.getSysDateTime()+"]::Dispalying All Employees Details"); rs = st.executeQuery(queryfinish); } catch (SQLException e) { logger.error("SQLException in Dao :: "+e); }finally{ try { con.close(); } catch (SQLException e) { // TODO Auto-generated catch block logger.error("SQLException Unable to close connection in Dao :: "+e); } } return empAllList; } public static EmpRegBean EmpDelete(EmpRegBean empbean) { PropertyConfigurator.configure(GenericConstants.LOGPATH); st=null; String empId = empbean.getEmployeeid(); String deletequery = "delete from employees where employeeid ="+empId+""; String queryfinish="commit"; logger.error("["+DateUtil.getSysDateTime()+"]::Connection Established Successfully :: Dao"); logger.debug("["+DateUtil.getSysDateTime()+"]::Sample debug message"); logger.info("["+DateUtil.getSysDateTime()+"]::Deleting Employee Details from Database"); try { con = c.getConnection(); st=con.createStatement(); logger.warn("["+DateUtil.getSysDateTime()+"]::Deleting Employee details from the Database - EmpDelete Class"); st.executeQuery(deletequery); st.executeQuery(queryfinish); } catch (SQLException e) { logger.error("SQLException in Dao :: "+e); }finally{ try { con.close(); } catch (SQLException e) { // TODO Auto-generated catch block logger.error("SQLException Unable to close connection in Dao :: "+e); } } return empbean; } }
this one i better Code: protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub try { EmpRegBean empbean; Transactionbean userT; if(null !=request.getParameter("empcheck")) { if(request.getParameter("empcheck").equalsIgnoreCase("regemp")) { ArrayList<EmpRegBean> empRegList=new ArrayList<EmpRegBean>(); empbean = new EmpRegBean(); empbean.setName(request.getParameter("name")); empbean.setRole(request.getParameter("role")); empbean.setPhone(request.getParameter("phone")); empRegList=(ArrayList<EmpRegBean>) Dao.Execute1(empbean); HttpSession session = request.getSession(true); session.setAttribute("empRegList",empRegList); response.sendRedirect("EmpRegSuccess.jsp"); } else if(request.getParameter("empcheck").equalsIgnoreCase("searchemp")) { ArrayList<EmpRegBean> empViewList=new ArrayList<EmpRegBean>(); String empId=request.getParameter("employeeid"); empViewList= Dao.EmpSearch(empId); HttpSession session = request.getSession(true); if (empViewList.isEmpty()){ RequestDispatcher rd = getServletContext().getRequestDispatcher("/EmpError.jsp"); rd.forward(request, response); } else { session.setAttribute("empViewList",empViewList); response.sendRedirect("EmpEditDetails.jsp"); } } else if(request.getParameter("empcheck").equalsIgnoreCase("editemp")) { empbean = new EmpRegBean(); empbean.setName(request.getParameter("name")); empbean.setEmployeeid(request.getParameter("employeeid")); empbean.setRole(request.getParameter("role")); empbean.setPhone(request.getParameter("phone")); response.sendRedirect("EmpUpdate.jsp"); } else if(request.getParameter("empcheck").equalsIgnoreCase("updateemp")) { empbean = new EmpRegBean(); empbean.setName(request.getParameter("name")); empbean.setEmployeeid(request.getParameter("employeeid")); empbean.setRole(request.getParameter("role")); empbean.setPhone(request.getParameter("phone")); empbean=Dao.EmpUpdate(empbean); response.sendRedirect("EmpUpdateSuccess.jsp"); } else if(request.getParameter("empcheck").equalsIgnoreCase("delsearchemp")) { ArrayList<EmpRegBean> empViewList=new ArrayList<EmpRegBean>(); String empId=request.getParameter("employeeid"); empViewList= Dao.EmpSearch(empId); HttpSession session = request.getSession(true); if (empViewList.isEmpty()){ RequestDispatcher rd = getServletContext().getRequestDispatcher("/EmpError.jsp"); rd.forward(request, response); } else { session.setAttribute("empViewList",empViewList); response.sendRedirect("EmpDelDetails.jsp"); } } else if(request.getParameter("empcheck").equalsIgnoreCase("delemp")) { empbean = new EmpRegBean(); empbean.setEmployeeid(request.getParameter("employeeid")); empbean = Dao.EmpDelete(empbean); response.sendRedirect("EmpDelSuccess.jsp"); } else if(request.getParameter("empcheck").equalsIgnoreCase("viewallemp")) { ArrayList<EmpRegBean> empAllList=new ArrayList<EmpRegBean>(); empAllList= (ArrayList<EmpRegBean>) Dao.EmpViewAll(); HttpSession session = request.getSession(true); session.setAttribute("empAllList",empAllList); response.sendRedirect("EmpViewAllDetails.jsp"); } else{ RequestDispatcher rd = getServletContext().getRequestDispatcher("/EmpError.jsp"); rd.forward(request, response); } }
Please use code blocks for code snippets in your post. See http://www.go4expert.com/misc.php?do=bbcode#code
