// 前面的就不说了,直接从 series 开始 series: [ { name: seriesName, type: 'bar', data: yAxis, label: { show: true, clickable: true, position: 'top', color: '#999999', }, itemStyle: { normal: { color: function (params){ let colorList = [ ['#FF516D', '#FFD1D9'], ['#DF67F5', '#F4C7FC'], ['#7245FF', '#D6C9FF'], ['#4964FF', '#C4CDFF'], ['#56BDED', '#CBE5F1'], ['#4EE0B6', '#B7EBDC'], ['#6AE34C', '#CAF3C0'], ['#FFD140', '#FFEEBA'], ['#FA8941', '#FED1B4'], ['#FF2B2B', '#FFC4C4'] ] let index = params.dataIndex;
// 这儿判断,如果图表中元素的个数大于预设色值数量时,让整个色值再循环使用 if(params.dataIndex >= colorList.length) { index = params.dataIndex % colorList.length; } return new echarts.graphic.LinearGradient(0, 0, 0, 1, [ { offset: 0, color: colorList[index][0] },
/*
其实中间还可以有中间值的,例如
{
offset: 0.5,
color: red
}
*/ { offset: 1, color: colorList[index][1] } ]) }, } } } ]