我正在尝试在 PrimeFaces 3.4 的折线图上使用扩展器属性。我需要使用扩展器用日期/时间值格式化 x 轴。在没有扩展器的情况下执行此操作不是一个选项，因为数据点太多，如果我使用默认的 PF lineChart 属性，标签只会覆盖。当我设置如下所示的代码时，我得到一个没有显示值的 x 轴；我只能看到x轴。查看图片了解更多详情。如何进行设置，以便 x 轴以 hh:mm 格式显示时间？
XHTML 代码
<script type="text/javascript" src="#{request.contextPath}/js/plugins/jqplot.dateAxisRenderer.min.js"></script>
<script type="text/javascript" src="#{request.contextPath}/js/plugins/jqplot.canvasAxisTickRenderer.min.js"></script>
<script type="text/javascript">
function loginRateChartExt() {
this.cfg.axes = {
yaxis: {
numberTicks: 10,
label: 'Logins per minute ->',
labelRenderer: $.jqplot.CanvasAxisLabelRenderer,
labelOptions: { fontFamily: 'Verdana', fontSize: '8pt' },
},
xaxis: {
renderer: $.jqplot.DateAxisRenderer,
rendererOptions: { tickRenderer:$.jqplot.CanvasAxisTickRenderer },
tickOptions: { formatString:'%H:%M' },
label: 'Time of day ->',
labelRenderer: $.jqplot.CanvasAxisLabelRenderer,
labelOptions: { fontFamily: 'Verdana', fontSize: '8pt' }
}
};
}
</script>
<p:lineChart id="loginRateChart" value="#{loginRateBean.chartModel}" extender="loginRateChartExt" />
豆码
for(int i = 0; i < workerBean.getSize(); i++) { // worker bean has the data
for (String key : workerBean.getValueKeys()) { // each key refers to a series
// chartSeriesMap is a map that contains all the series
// workerBean.getKeyAt(i) returns Date
// workerBean.getValueAt(i, key) returns a Number
chartSeriesMap.get(key).set(workerBean.getKeyAt(i), workerBean.getValueAt(i, key).floatValue());
}
}
for (String string : workerBean.getValueKeys()) {
chartModel.addSeries(chartSeriesMap.get(string));
}