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bean 객체의 Arraylist를 HTML 테이블 (JSP 페이지)에 표시하는 방법을 설명합니다. 내가 잘못 가고있는 곳에서 도와주세요. 이것은 데이터베이스의 데이터를 가지고있는 빈 객체를 생성하는 코드입니다. 마지막으로 모든 bean 객체가 arraylist에 추가됩니다. RequestDispatcher를 사용하여 ViewData.jsp에 arraylist를 보냅니다 이제 arraylist 데이터를 테이블로 intepret하는 방법을 알려주십시오.JSP 페이지에 bean 객체의 Arraylist를 표시하는 방법
package com.dsr.servlets;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.ArrayList;
import com.dsr.beans.EmpBean;
import com.dsr.db.DB;
import javax.servlet.RequestDispatcher;
import java.sql.*;
/**
* Servlet implementation class for Servlet: CheckConn
*
*/
public class CheckConn extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
static final long serialVersionUID = 1L;
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#HttpServlet()
*/
public CheckConn() {
super();
}
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
/* (non-Java-doc)
* @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
ArrayList<EmpBean> ebList= new ArrayList<EmpBean>();
System.out.println(request.getParameter("date"));
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try
{
DB dao=new DB();
conn=dao.getConnection();
stmt=conn.createStatement();
rs = stmt.executeQuery("exec select_details");
while(rs.next()){
EmpBean eb = new EmpBean();
eb.setEmp_id(rs.getString("emp_id"));
eb.setFirst_name(rs.getString("first_name"));
eb.setLast_name(rs.getString("last_name"));
ebList.add(eb);
}
System.out.println(ebList.size());
for (int i=0; i<ebList.size(); i++){
EmpBean eb1= ebList.get(i);
System.out.println(eb1.getEmp_id());
System.out.println(eb1.getFirst_name());
System.out.println(eb1.getLast_name());
}
// stmt.executeQuery("commit");
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
try {
conn.close();
stmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
request.setAttribute("mybean",ebList);
RequestDispatcher dispatcher = request.getRequestDispatcher("viewData.jsp");
if (dispatcher != null){
dispatcher.forward(request, response);
}
}
}
이제 arraylist 데이터를 html 테이블에 inteprete하는 방법을 알려주세요.