Por o relatorio na web

public void geraRelatorio( ) throws JRException, Exception
  {
	  ResultSet	rs = null;
		Connection cn = Conexao.obterConexao();
		PreparedStatement pst = null;

		pst =   cn.prepareStatement("SELECT CAST('2008-11-17' AS VARCHAR) AS periodo_inicio, CAST('2008-11-17' AS VARCHAR) AS periodo_final,* FROM relatorio_espelho_ireport WHERE cus_espelho_funcionario_id=1000149 AND ( (data >= '2008-11-17') AND (data <= '2008-11-18'))");
		rs =   pst.executeQuery();	
		
		
		
	JasperReport jr; 
	JasperPrint jprint;  
		         JRResultSetDataSource jrRS = new JRResultSetDataSource( rs );  
		         Map parameters = new HashMap();  
		         jr = JasperCompileManager.compileReport("C:/Arquivos de programas/JasperSoft/iReport-3.0.0/wwf.jrxml");  
		         jprint = JasperManager.fillReport(jr, parameters, jrRS);  
		         JasperViewer.viewReport(jprint);  
  
  
  }