Boa noite!
Estou com dificuldade para entender como passo meu Collection do Servlet para o JSP.
O que deve entrar no bloco do FOR?
Segue o código:
CLASSE JAVA
import java.io.IOException;
import java.util.Collection;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
*
* @author paulo
*/
public class Imprime extends HttpServlet {
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String cpf = request.getParameter("cpf");
String nome = request.getParameter("nome");
String nascimento = request.getParameter("nascimento");
String endereco = request.getParameter("endereco");
String telefone = request.getParameter("telefone");
String email = request.getParameter("email");
Cliente c = new Cliente();
c.setcpf(cpf);
c.setnome(nome);
c.setnascimento(nascimento);
c.setendereco(endereco);
c.settelefone(telefone);
c.setemail(email);
ClienteDAO dao = new ClienteDAO();
int r = dao.inserirCliente(c);
request.setAttribute("resultado", r);
Collection<Cliente> clientes = dao.selecionarTodos();
request.setAttribute("lista", clientes);
System.out.println("------------------------CONSULTA--------------------------");
System.out.println("CPF NOME NASCIMENTO ENDEREÇO TELEFONE EMAIL");
for (Cliente Cadastro : clientes) {//vai percorrer a colecao e retorna em Cadastro item colecao
System.out.println(Cadastro);
}
RequestDispatcher disp = request.getRequestDispatcher("resultado.jsp");
disp.forward(request, response);
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
JSP
<%--
Document : resultado
Created on : Oct 28, 2009, 1:40:12 AM
Author : paulo
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@ page import="java.util.ArrayList"%>
<%@ page import="java.util.Collection"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<table>
</table>
<%
int r = (Integer) request.getAttribute("resultado");
Collection<Cliente> c = (Collection) request.getAttribute("lista");
for (Cliente obj : c) {%>
<%}
//Collection<Cliente> clientes=(Collection<Cliente>)
//request.getAttribute("lista", clientes);
%>
<%=r%><br>
Vlw pessoal!