String cardId=request.getParameter("cardId");
    
        
        
        //  Create tooltip and URL generators
        SimpleDateFormat sdf = new SimpleDateFormat("dd-MMM-yyyy", Locale.UK);
        DecimalFormat s=new DecimalFormat("#0.0#");

    
        StandardXYToolTipGenerator ttg = new StandardXYToolTipGenerator(
                            "({1},{2})",
                            NumberFormat.getInstance(), NumberFormat.getInstance());

        //  Create the chart object
        ValueAxis timeAxis = new NumberAxis("纵坐标名称");
        NumberAxis valueAxis = new NumberAxis("横坐标名称")
        valueAxis.setAutoRangeIncludesZero(true);  // override default
        

        StandardXYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.LINES   +   StandardXYItemRenderer.SHAPES, ttg,   null);
        ItemLabelPosition itemlabelposition = new ItemLabelPosition(ItemLabelAnchor.INSIDE12,TextAnchor.TOP_LEFT,TextAnchor.CENTER_RIGHT,0D);
          renderer.setPositiveItemLabelPosition(itemlabelposition);

        //renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator("{0}: ({1}, {2})", new DecimalFormat("0.00"),new DecimalFormat("0.00")));


        //StandardXYItemLabelGenerator s =    new StandardXYItemLabelGenerator();
        //不可用
        //renderer.setItemLabelGenerator(new StandardXYItemLabelGenerator());//设置数据点显示 
        renderer.setItemLabelsVisible(true);
        renderer.setShapesFilled(true);
        
        XYPlot plot=null;
        try {
            plot = new XYPlot(getDataSet(cardId), timeAxis, valueAxis, renderer);
        } catch (GeneralException e) {
            // TODO 自动生成 catch 块
            e.printStackTrace();
        }
        
        

        //取得该类图形的范围数字轴,指纵坐标
        NumberAxis numberaxis = (NumberAxis) plot.getRangeAxis();
        ///设置纵坐标以标准整形为单位
        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());    
        //设置范围坐标的最小值
        //numberaxis.setRange(,rangeMaxAxis);
        //将纵坐标间距设置为50 
        numberaxis.setTickUnit(new NumberTickUnit(100));    
        numberaxis.setAutoRangeStickyZero(false);
        getDomainAndRangeMaxValue();
        numberaxis.setRange(minRange,maxRange);

        NumberAxis dateaxiss=(NumberAxis)plot.getDomainAxis();
        dateaxiss.setStandardTickUnits(NumberAxis.createIntegerTickUnits());    
        //DecimalFormat t=new DecimalFormat("#0.0#");
        //dateaxiss.setNumberFormatOverride(t);
        dateaxiss.setTickUnit(new NumberTickUnit(6));    
        dateaxiss.setRange(0d,maxDomain);
        
        JFreeChart chart = new JFreeChart("图形名称", JFreeChart.DEFAULT_TITLE_FONT, plot, false);
        chart.setBackgroundPaint(java.awt.Color.white);
        
        
        //renderer.setDrawShapes(true);
        renderer.setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 10F, 6F }, 0.0F));
        renderer.setSeriesStroke(1, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 6F, 6F }, 0.0F));
        renderer.setSeriesStroke(2, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 2.0F, 6F }, 0.0F));
        
        
    
        plot.setBackgroundPaint(java.awt.Color.white);//设置网格背景色
        //plot.setDomainGridlinePaint(Color.green);//设置网格竖线(Domain轴)颜色
        plot.setDomainGridlinePaint(java.awt.Color.lightGray);
        plot.setRangeGridlinePaint(java.awt.Color.lightGray);
        chart.setBackgroundPaint(new Color(0xCC, 0xCC, 0xFF));
            
        session.setAttribute(ReportConstant.REPORT_DATA,chart);    
        se