立方体柱状图横向设置
配置项如下
const CubeLeft = echarts.graphic.extendShape({
shape: {
x: 0,
y: 0
},
buildPath: function(ctx, shape) {
const xAxisPoint = shape.xAxisPoint
const c0 = [shape.x, shape.y]
const c1 = [shape.x + 5, shape.y - 12]
const c2 = [xAxisPoint[0] + 5, xAxisPoint[1] - 12]
const c3 = [xAxisPoint[0], xAxisPoint[1]]
ctx.moveTo(c0[0], c0[1]).lineTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).closePath()
}
})
const CubeRight = echarts.graphic.extendShape({
shape: {
x: 0,
y: 0
},
buildPath: function(ctx, shape) {
const xAxisPoint = shape.xAxisPoint
const c1 = [shape.x, shape.y]
const c2 = [xAxisPoint[0], xAxisPoint[1]]
const c3 = [xAxisPoint[0] + 5, xAxisPoint[1] + 12]
const c4 = [shape.x + 5, shape.y + 12]
ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath()
}
})
const CubeTop = echarts.graphic.extendShape({
shape: {
x: 0,
y: 0
},
buildPath: function(ctx, shape) {
// 逆时针 角 y 负数向上 X 负数向左
const c1 = [shape.x, shape.y - 1]
const c2 = [shape.x + 5, shape.y - 12]
const c3 = [shape.x + 9, shape.y + 1]
const c4 = [shape.x + 5, shape.y + 12]
ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath()
}
})
echarts.graphic.registerShape('CubeLeft', CubeLeft)
echarts.graphic.registerShape('CubeRight', CubeRight)
echarts.graphic.registerShape('CubeTop', CubeTop)
const VALUE = [12,12,12,12,12,12]
option = {
title: {
text: '横向柱状图'
},
xAxis: {
axisLabel: {javascript:;
show: false
},
splitLine: {
show: false
},
type: 'value',
},
yAxis: {
type: 'category',
axisLabel: {
show: true
},
axisTick: {
show: false
},
axisLine: {
show: false
},
data: ['类目一','类目二','类目三','类目四','类目五','类目六']
},
series: [{
type: 'custom',
renderItem: (params, api) => {
const location = api.coord([api.value(0), api.value(1)])
return {
type: 'group',
children: [{
type: 'CubeLeft',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: api.coord([0,api.value(1)])
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#00B0D0'
}, {
offset: 1,
color: '#00FFFE'
}])
}
}, {
type: 'CubeRight',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: api.coord([0, api.value(1)])
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#002E75' // 顶部
}, {
offset: 1,
color: '#00B0D0' // 底部
}])
}
}, {
type: 'CubeTop',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: api.coord([0, api.value(1)])
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#33F7FB'
}, {
offset: 1,
color: '#00FFFE'
}])
}
}]
}
},
data: VALUE
}]
};