我使用google api在我的网页上使用以下代码创建图表
我想把标签放在图表的顶部,告诉每列顶部的列的值我想把它出现的列的值作为工具提示当我翻过它但我想要它总是有可能
<html>
<head>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Year', 'Sales', 'Expenses'],
['2004', 1000, 400],
['2005', 1170, 460],
['2006', 660, 1120],
['2007', 1030, 540]
]);
var options = {
title : 'Performance Metrics',
vAxis: {
title: "marks",
gridlines:{
count:11,
},
viewWindowMode:'explicit',
viewWindow:{
max:100,
min:0
},
},
hAxis: {title: "Subjects"},
is3D: true,
seriesType: "bars",
};
var chart = new google.visualization.ColumnChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
</body>
</html>