我正在研究谷歌条形图,但我无法改变谷歌条形图的背景颜色。这是我的代码:
<script type="text/javascript">
google.load('visualization', '1', {packages: ['corechart', 'bar']});
google.setOnLoadCallback(drawBasic);
function drawBasic() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'category');
data.addColumn('number', 'points');
data.addColumn({type: 'string', role: 'style'});
data.addColumn({type: 'string', role: 'annotation'});
//data.addColumn({'type': 'string', 'role': 'tooltip', 'p': {'html': true}});
data.addRows([
['Element', 'Density', { role: 'style' }],
['Copper', 8.94, '#b87333'], // RGB value
['Silver', 10.49, 'silver'], // English color name
['Gold', 19.30, 'gold'],
['Platinum', 21.45, 'color: #e5e4e2' ], // CSS-style declaration
]);
var options = {
title: 'Results',
width: 700,
height: 250,
bar: {groupWidth: "40%"},
hAxis: {
title: 'Points',
minValue: 0,
maxValue:6,
backgroundColor: 'none'
},
vAxis: {
title: 'categories'
}
};
var chart = new google.visualization.BarChart(document.getElementById('<?php echo $singleChartDivId; ?>'));
chart.draw(data, options);
}
</script>
这里的结果是链接:http://prntscr.com/8nxsk7 但我想要这种类型:http://prntscr.com/8nxts7
在选项中,您可以设置背景颜色:“颜色代码”选项。