简单实用,具有立体效果,界面简洁,展示数据最佳
配置项如下
// 创建立体效果(直接引入)
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 - 9, shape.y - 9]
const c2 = [xAxisPoint[0] - 9, xAxisPoint[1] - 9]
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] + 18, xAxisPoint[1] - 9]
const c4 = [shape.x + 18, shape.y - 9]
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) {
const c1 = [shape.x, shape.y]
const c2 = [shape.x + 18, shape.y - 9]
const c3 = [shape.x + 9, shape.y - 18]
const c4 = [shape.x - 9, shape.y - 9]
ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath()
}
})
// 创建立体效果(直接引入)
echarts.graphic.registerShape('CubeLeft', CubeLeft)
echarts.graphic.registerShape('CubeRight', CubeRight)
echarts.graphic.registerShape('CubeTop', CubeTop)
// 柱状图的数据数值,从后台导入就行
const VALUE = [5, 2, 13, 14]
option = {
backgroundColor: "#00030e",
title: {
text: '最简单好看的立体图',
top: 32,
left: 18,
textStyle: {
color: '#3d86e3',
fontSize: 18
}
},
tooltip: {
// 显示提示内容(不可删除)
},
grid: {
left: 20,
right: 40,
bottom: '19%',
top: 107,
containLabel: true
},
xAxis: {
type: 'category',
data: ['R', 'A', 'I', 'N'],
axisLine: {
show: false,
lineStyle: {
color: 'white'
}
},
axisTick: {
show: false,
length: 9,
lineStyle: {
color: '#7DFFFD'
}
},
axisLabel: {
fontSize: 16
}
},
yAxis: {
type: 'value',
axisLine: {
show: false,
lineStyle: {
color: 'white'
}
},
splitLine: {
show: false
},
axisTick: {
show: false
},
axisLabel: {
fontSize: 16,
show: false
},
boundaryGap: ['10%', '20%']
},
series: [{
name: '折旧值',
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([api.value(0), 0])
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#3B80E2'
},
{
offset: 1,
color: '#49BEE5'
}
])
}
}, {
type: 'CubeRight',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: api.coord([api.value(0), 0])
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#3B80E2'
},
{
offset: 1,
color: '#49BEE5'
}
])
}
}, {
type: 'CubeTop',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: api.coord([api.value(0), 0])
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#3B80E2'
},
{
offset: 1,
color: '#49BEE5'
}
])
}
}]
}
},
data: VALUE
}]
}