我正在使用谷歌图表来显示甘特图。图表工作正常,但当我将鼠标悬停在图表栏上时,我在工具提示中看到已完成百分比。
下面是相同的HTML
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['gantt']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Task ID');
data.addColumn('string', 'Task Name');
data.addColumn('date', 'Start Date');
data.addColumn('date', 'End Date');
data.addColumn('number', 'Duration');
data.addColumn('number', 'Percent Complete');
data.addColumn('string', 'Dependencies');
data.addRows([
['Research', 'Find sources',
new Date(2015, 0, 1), new Date(2015, 0, 5), null, 100, null],
['Write', 'Write paper',
null, new Date(2015, 0, 9), daysToMilliseconds(3), 25, 'Research,Outline'],
['Cite', 'Create bibliography',
null, new Date(2015, 0, 7), daysToMilliseconds(1), 20, 'Research'],
['Complete', 'Hand in paper',
null, new Date(2015, 0, 10), daysToMilliseconds(1), 0, 'Cite,Write'],
['Outline', 'Outline paper',
null, new Date(2015, 0, 6), daysToMilliseconds(1), 100, 'Research']
]);
var options = {
height: 400,
gantt: {
trackHeight: 30
}
};
var chart = new google.visualization.Gantt(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div"></div>
</body>
</html>
我可以以某种方式成功隐藏资源名称列,但是当我删除已完成百分比列时,出现列和行不匹配等错误,该值不应为空等。
任何人都可以告诉我是否有任何方法可以从工具提示中隐藏完成百分比值?
谢谢!