配置项如下
option = {
color: ['#3398DB'],
tooltip: {
trigger: 'axis',
axisPointer: { // 坐标轴指示器,坐标轴触发有效
type: 'shadow' // 默认为直线,可选为:'line' | 'shadow'
}
},
xAxis: {
type: 'category',
data: ['0~2h', '2~4h', '4~8h', '>8h'],
axisTick: {
show: false,
alignWithLabel: true
}
},
yAxis: {
type: 'value'
},
series: [{
data: [120, 200, 150, 80],
type: 'bar',
label: {
normal: {
show: true,
position: 'top',
formatter: '{c}',
textStyle: {
//color: 'blue'
}
}
},
itemStyle: {
normal: {
// 定制显示(按顺序)
color: function(params) {
var colorList = [
['rgba(122,141,250, 0.1', 'rgba(122,141,250, 1'],
['rgba(237,205,97, 0.1)', 'rgba(237,205,97, 1)'],
['rgba(235,148,66, 0.1)', 'rgba(235,148,66, 1)'],
['rgba(235,76,37, 0.1)', 'rgba(235,76,37, 1)']
];
var index = params.dataIndex;
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]
}, {
offset: 1,
color: colorList[index][1]
} ])
},
shadowColor: 'rgba(0, 0, 0, 0.1)',
shadowBlur: 10
}
}
}]
};