Exemplos de uso do iReports

package JasperReport;

import java.util.HashMap;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.DriverManager;
import java.sql.Statement;
import net.sf.jasperreports.engine.JasperManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.design.JasperDesign;
import net.sf.jasperreports.view.JasperViewer;

public class Report_Geral { 
	private Connection con = null;
	private ResultSet rs = null;
	private String valores[] = new String[8];

	public Report_Geral() {
		try {
			if (con == null) {
				Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      			con = DriverManager.getConnection("jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};" +
             		  "DBQ=D:/PAD/DADOS/PADEEC_2005.mdb" ,"","");
				Statement statement = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);

				rs = statement.executeQuery("SELECT * FROM MASTER"); 
				int i=1;
 				while(rs.next()) { 
 					valores[i] = rs.getString(i); 
 					i++; 
 				}
			}
		}
		catch (Exception e) {} 
		try { 
			String array[] = valores;
			JasperDesign design = JasperManager.loadXmlDesign("D:\PAD\src\RelacaoGeral.jrxml");
			JasperReport jr = JasperManager.compileReport(design); 

			HashMap parameters = new HashMap(); 
			parameters.put("nome",array[1]); 

			JasperPrint impressao = JasperManager.fillReport(jr,parameters,con);
			JasperViewer jrviewer = new JasperViewer(impressao,false); 
			jrviewer.show(); 
			jrviewer.setDefaultCloseOperation(jrviewer.DISPOSE_ON_CLOSE); 
		}
		catch (Exception e) {System.out.print(e.getMessage());}
	}

	public static void main (String args[]) { 
		new Report_Geral(); 
	}
}

/*
 * Created on 14/07/2005
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package agenda;

/**
 * @author ricardo.oliveira
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
import java.util.HashMap; 
import java.sql.Connection; 
import java.sql.ResultSet; 
import java.sql.DriverManager; 
import java.sql.Statement; 
import net.sf.jasperreports.engine.JasperManager; 
import net.sf.jasperreports.engine.JasperPrint; 
import net.sf.jasperreports.engine.JasperReport; 
import net.sf.jasperreports.engine.design.JasperDesign; 
import net.sf.jasperreports.view.JasperViewer;

public class Report_Geral { 
   //private Connection con = null; 
   private ResultSet rs = null; 
   private String valores[] = new String[8]; 
   private static final String driver = "com.mysql.jdbc.Driver";
   private static final String url = "jdbc:mysql://10.0.50.64:3306/testes";//verificar aqui tbm
   private static final String login = "??????";//pode ter ou nao
   private static final String passwd = "????";//pode ter ou nao

   public Report_Geral() { 
      try { 
        
         	Class.forName(driver);
         	Connection con = DriverManager.getConnection(url, login, passwd);
         	 
            Statement statement = con.createStatement(); 

            rs = statement.executeQuery("SELECT * FROM Alerta"); 
            /*int i=1; 
             while(rs.next()) { 
                valores[i] = rs.getString(i); 
                i++; 
             }*/
        
   
         String array[] = valores; 
         JasperDesign design = JasperManager.loadXmlDesign("C:\eclipse\workspace\Agenda de Telefone\Agenda de Telefone\relatorio\ListagemAlerta.jrxml"); 
         JasperReport jr = JasperManager.compileReport(design); 

         HashMap parameters = new HashMap(); 
         parameters.put("nmEmpresa","lalala"); 

         JasperPrint impressao = JasperManager.fillReport(jr,parameters,con); 
         JasperViewer jrviewer = new JasperViewer(impressao,false); 
         jrviewer.show(); 
         jrviewer.setDefaultCloseOperation(jrviewer.DISPOSE_ON_CLOSE); 
      } 
      catch (Exception e) {System.out.print(e.getMessage());} 
   } 

   public static void main (String [] ricardo) { 
      new Report_Geral(); 
   } 
}

/*int i=1; 
             while(rs.next()) { 
                valores[i] = rs.getString(i); 
                i++; 
             }*/