参见示例代码:
var data = new google.visualization.DataTable();
data.addColumn('string', 'Mac');
data.addColumn('number', 'Score');
data.addColumn({ type: 'string', role: 'style' });
data.addRows([
['Mac model 12', 200, 'color: #8bba30; opacity: 0.75;'],
['Another Mac Model', 110, 'color: #ffcc33; opacity: 0.75;'],
]);
var options = {
title: '',
width: 500,
height: data.getNumberOfRows() * 40 + 100,
hAxis: {
minValue: 0,
maxValue: 255,
ticks: [0, 75, 150, 255],
textPosition: 'out',
side: 'top'
},
series: {
0: { axis: 'Mac' },
1: { axis: 'Score' }
},
chartArea: {
top: 0,
bottom: 50,
right: 50,
left: 150
},
legend: { position: 'none' },
fontSize: 12,
bar: {groupWidth: '75%'},
};
var chart = new google.visualization.BarChart(document.getElementById('apple_div'));
chart.draw(data, options);
}
这是输出:
看,不同的酒吧有不同的颜色。但我想在左侧不同的传说中使用不同的颜色和/或背景颜色。
有人可以帮我这个吗?
我找到了以下答案,Is it possible to show each legend in different color in google pie chart。
但它建议打破图表(即为每行绘制单独的图表),这是不可取的,因为有大量的行。
答案 0 :(得分:1)
不确定打破图表是什么意思,但是......
一旦'ready'
事件触发,您可以修改图表svg。
此示例更改图例文本的颜色以匹配条形图颜色。
google.charts.load('current', {
callback: drawChart,
packages: ['corechart']
});
function drawChart() {
var colors = ['#8bba30', '#ffcc33'];
var data = new google.visualization.DataTable();
data.addColumn('string', 'Mac');
data.addColumn('number', 'Score');
data.addColumn({ type: 'string', role: 'style' });
data.addRows([
['Mac model 12', 200, 'color: ' + colors[0] + '; opacity: 0.75;'],
['Another Mac Model', 110, 'color: ' + colors[1] + '; opacity: 0.75;'],
]);
var options = {
title: '',
width: 500,
height: data.getNumberOfRows() * 40 + 100,
hAxis: {
minValue: 0,
maxValue: 255,
ticks: [0, 75, 150, 255],
textPosition: 'out',
side: 'top'
},
series: {
0: { axis: 'Mac' },
1: { axis: 'Score' }
},
chartArea: {
top: 0,
bottom: 50,
right: 50,
left: 150
},
legend: { position: 'none' },
fontSize: 12,
bar: {groupWidth: '75%'},
};
var chartContainer = document.getElementById('apple_div');
var chart = new google.visualization.BarChart(chartContainer);
google.visualization.events.addListener(chart, 'ready', function () {
var labels = chartContainer.getElementsByTagName('text');
var colorIndex = 0;
for (var i = 0; i < labels.length; i++) {
if (labels[i].getAttribute('text-anchor') === 'end') {
labels[i].setAttribute('fill', colors[colorIndex]);
colorIndex++;
}
}
});
chart.draw(data, options);
}
<script src="https://www.gstatic.com/charts/loader.js"></script>
<div id="apple_div"></div>
背景颜色SVG elements do not have background
所以你必须为此绘制自己的rect
...