柱状图颜色渐变
series: {
name: '舆论',
type: 'bar',
smooth: true,
barWidth: 10,
data: data,
itemStyle: {
normal: {
color: function(params) {
var colorList = [
['#FFBC1B', '#FF6804'],
['#67FDC6', '#00F5F5'],
['#52F890', '#26A864'],
['#5DA2FF', '#004CC9'],
['#9882F9', '#5533E9']
];
var index = params.dataIndex % colorList.length;
// 如果是纵向的图标，则改为0, 0 , 0, 1
return new that.$echarts.graphic.LinearGradient(1, 0, 0, 0, [
{ offset: 0, color: colorList[index][0] },
{ offset: 1, color: colorList[index][1] }
]);
},
barBorderRadius: 5 //柱状角成椭圆形
}
}
},
