我试图使用谷歌图表api显示每个切片上显示标签和百分比的饼图 . 似乎没有显示标签和百分比的选项,因此我已禁用百分比显示,并尝试手动将其添加到标签中 . 但是,当我在标签中使用百分比符号时,事情就开始起作用了 .
我怎样才能解决这个问题?
JSFiddle:https://jsfiddle.net/phpsriptkiddie/gscdymqp/1/
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Phase', 'link', 'percentage'],
['Phase 1 25%', '/link1', 25],
['Phase 2 25%', '/link2', 25],
['Phase 3 50%', '/link3', 50],
]);
var view = new google.visualization.DataView(data);
view.setColumns([0, 2]);
var options = {
pieSliceText: 'label',
tooltip: {trigger: 'none'},
slices: {
0: { color: 'yellow', },
1: { color: 'green' },
2: { color: 'grey' }
},
};
var chart = new google.visualization.PieChart( document.getElementById('piechart'));
chart.draw(view, options);
var selectHandler = function(e) {
window.location = data.getValue(chart.getSelection()[0]['row'], 1 );
}
// Add our selection handler.
google.visualization.events.addListener(chart, 'select', selectHandler);
}
请注意一个标签是如何显示的,而其他标签则不是 .
1 回答
好像图表区域的大小根本不够大! :-)一旦我把它变大,问题就得到了解决 .
https://jsfiddle.net/phpsriptkiddie/gscdymqp/2/