vaadin charts 使用-白红宇

hisLimitChart = new Chart();

hisLimitChart.addStyleName("limit-hisLimitChart");

chartLayout.addComponent(hisLimitChart);

//加载内容的方法；

private void initChartContent() {

Configuration conf = hisLimitChart.getConfiguration();        // 加载图表需要的数据    DataSeries series = new DataSeries();    List
    
      limits = limitManageProcess.getListByName(comLimit_name.getValue().toString());    // set limit info    limitInfo.setValue(limits.get(0).getTxtDescription());        for (Limit limit : limits) {        double value = limit.getAmtLimit();        DataSeriesItem item = new DataSeriesItem();        item.setX(limit.getDtStart());        item.setY(value);        series.add(item);    }    series.setName("限额金额");    conf.addSeries(series);    // 将数据render到图表中；X轴设置未关键期限中最早日期到最晚日期的区间；obj    conf.getChart().setType(ChartType.LINE);    conf.getSubTitle().setAlign(HorizontalAlign.CENTER);    conf.setTitle("");        XAxis xAxis = conf.getxAxis();

// xAxis.getLabels().setFormat("{value:%Y-%m-%d}");

xAxis.getLabels().setFormat("{value:%Y}");    xAxis.setTitle("");        YAxis yAxis = conf.getyAxis();    yAxis.setMin(0);    yAxis.getLabels().setFormat("{value}");    yAxis.setTitle(new AxisTitle("限额金额("+limits.get(0).getCdLimitUnit()+")"));    yAxis.getTitle().setAlign(VerticalAlign.MIDDLE);        conf.getxAxis().setType(AxisType.DATETIME);    conf.getTooltip().setXDateFormat("%Y-%m-%d");    conf.getLegend().setEnabled(false);        PlotOptionsLine plotOptions = new PlotOptionsLine();    plotOptions.getDataLabels().setEnabled(false);    conf.setPlotOptions(plotOptions);    hisLimitChart.drawChart(conf);    }