使用Selenium-WebDriver/RC分析图形数据内容。无法捕获MouseOver上显示的数据

Question

<div class="panel-content">
<style></style>
<div id="03D-legend" ng-show="panel.counter_pos == 'above' && (panel.chart == 'bar' || panel.chart == 'pie')"></div>
<div style="clear:both"></div>
<div class="pointer" style="position: relative; height: 350px; padding: 0px;" params="{"error":false,"span":2,"editable":true,"type":"terms","load…e":"terms","tstat":"total","valuefield":"","title":"Domain"}" terms-chart="" ng-show="panel.chart == 'pie' || panel.chart == 'bar'">
<canvas class="flot-base" style="direction: ltr; position: absolute; left: 0px; top: 0px; width: 213px; height: 350px;" width="266" height="437"></canvas>
<canvas class="flot-overlay" style="direction: ltr; position: absolute; left: 0px; top: 0px; width: 213px; height: 350px;" width="266" height="437"></canvas>
<span id="pieLabel0" class="pieLabel" style="position: absolute; top: 154px; left: 164.5px;">
<div style="font-size:8pt;text-align:center;padding:2px;color:white;" ng-click="build_search(panel.field,'User') ">

User

<br></br>

50%

</div>
</span>
<span id="pieLabel1" class="pieLabel" style="position: absolute; top: 152px; left: 15.5px;"></span>
</div>
<div id="03D-legend" ng-show="panel.counter_pos == 'below' && (panel.chart == 'bar' || panel.chart == 'pie')" style="display: none;"></div>
<table class="table table-striped table-condensed" ng-show="panel.chart == 'table'" ng-style="panel.style" style="display: none; font-size: 10pt;"></table>
</div>
</div>
</kibana-panel>

你能告诉我，我可能做错了什么，以及如何处理这件事吗？

Answer 1

         String chartValue = toolTip.getText();
         System.out.println(chartValue);