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无论我尝试所有酒吧出来的颜色选项中第一个定义的颜色相同的颜色,任何人都可以告诉我如何使每个酒吧不同的颜色?谷歌可视化设置图表颜色
<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() {
// Create the data table.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Browser');
data.addColumn('number', 'Sprites @ 30 FPS');
data.addRows([
['IE9 (2D)', 4681],
['Chrome 15 (2D)', 4121],
['Firefox 8 (2D)', 3292]
]);
var chart = new google.visualization.ColumnChart(document.getElementById('chart_div'));
chart.draw(data, { width: 650, height: 400, legend: "none",
colors:['red','blue','green'],
hAxis: { title: 'Browser'},
vAxis: { minValue: 0 },
});
}
</script>
<div id="chart_div" style="width:650; height:400"></div>