Javascript 谷歌可视化API:柱状图%
如何在悬停时以百分比形式显示数据?我可以让网格线显示百分比,但悬停始终显示未格式化的数据:Javascript 谷歌可视化API:柱状图%,javascript,google-visualization,Javascript,Google Visualization,如何在悬停时以百分比形式显示数据?我可以让网格线显示百分比,但悬停始终显示未格式化的数据:1vs100% var data = google.visualization.arrayToDataTable([ ['Who', 'Percentage'], ['Unlike Me', 0], ['Like Me', 1] ]); var options = { vAxis: { format:'#%'}, // Makes grid
1
vs100%
var data = google.visualization.arrayToDataTable([
['Who', 'Percentage'],
['Unlike Me', 0],
['Like Me', 1]
]);
var options = {
vAxis: { format:'#%'}, // Makes gridlines have percentages (correct)
format: '#%' // Does nothing
};
var div = $('#graph').get([0]);
var chart = new google.visualization.ColumnChart(div);
chart.draw(data, options);
解决方法:您必须使用:
data.addColumn('string', 'Who'); // Implicit domain column.
data.addColumn('number', 'Percentage'); // Implicit data column.
data.addColumn({type:'string', role:'tooltip'}); // Tooltip with percentages
data.addRows([
['Like Me', 0, 0 * 100 + '%'],
['Unlike Me', 1, 1 * 100 + '%']
]);