const offsetX = 20 const offsetY = 10 // 绘制左侧面 const CubeLeft = echarts.graphic.extendShape({ shape: { x: 0, y: 0 }, buildPath: function (ctx, shape) { // 会canvas的应该都能看得懂,shape是从custom传入的 const xAxisPoint = shape.xAxisPoint // console.log(shape); const c0 = [shape.x, shape.y] const c1 = [shape.x - offsetX, shape.y - offsetY] const c2 = [xAxisPoint[0] - offsetX, xAxisPoint[1] - offsetY] 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() } }) // 绘制右侧面 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] + offsetX, xAxisPoint[1] - offsetY] const c4 = [shape.x + offsetX, shape.y - offsetY] ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath() } }) // 绘制顶面 const CubeTop = echarts.graphic.extendShape({ shape: { x: 0, y: 0 }, buildPath: function (ctx, shape) { const c1 = [shape.x, shape.y] const c2 = [shape.x + offsetX, shape.y - offsetY] // 右点 const c3 = [shape.x, shape.y - offsetX] const c4 = [shape.x - offsetX, shape.y - offsetY] ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath() } }) // 注册三个面图形 echarts.graphic.registerShape('CubeLeft', CubeLeft) echarts.graphic.registerShape('CubeRight', CubeRight) echarts.graphic.registerShape('CubeTop', CubeTop) const VALUE = [750, 600, 500, 400, 300] let yData = [ 120, 220, 160, 280] let yData2 = [ 10, 50, 20, 30] option = { //你的代码 backgroundColor:'#031a40', legend:{ show: true, right:30, top:10, itemGap:30, itemWidth: 20, itemHeight:10, data: ["时长", "占比"], textStyle: { fontSize: 18, color: "#ffffff", }, }, color:['#E7D36B','#26D6D7','#43EFFF'], tooltip: { trigger: 'axis', textStyle: { fontSize: 20 // 字体大小 }, axisPointer: { type: 'shadow' }, }, grid: { top: "20%", left: "3%", right: "3%", bottom: "5%", containLabel: true, }, xAxis: { type: 'category', data: ['中考保电', '高考保电', '重大节日', '两大大节日'], axisLine: { show: true, lineStyle: { width: 1, color: 'rgba(239, 247, 253, .1)' } }, axisTick: { show: false }, axisLabel: { fontSize: 16, color: "#E7FCFF", margin: 20 }, }, yAxis: [{ type: 'value', name:'时长:天', nameGap:30, nameTextStyle: { color: "#ffffff", fontWeight: 400, fontSize: 16, }, axisLine: { show: true, lineStyle: { width: 1, color: 'rgba(239, 247, 253, .1)' } }, splitLine: { show: true, lineStyle: { color: 'rgba(239, 247, 253, .1)', } }, axisTick: { show: false }, axisLabel: { fontSize: 16, color: "#E7FCFF" }, min:0, max:Math.ceil(Math.max.apply(null, yData) / 5) * 5, interval: Math.ceil(Math.max.apply(null, yData) / 5) },{ type: 'value', name:'%', nameGap:30, nameTextStyle: { color: "#ffffff", fontWeight: 400, fontSize: 16, }, axisLine: { show: true, lineStyle: { width: 1, color: 'rgba(239, 247, 253, .1)' } }, splitLine: { show: true, lineStyle: { color: 'rgba(239, 247, 253, .1)', } }, axisTick: { show: false }, axisLabel: { fontSize: 16, color: "#E7FCFF" }, }], series: [{ name: "时长", type: 'custom', renderItem: (params, api) => { const location = api.coord([api.value(0), api.value(1)]) return { type: 'group', x: -20, 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: '#F4D363' }, { offset: 1, color: '#1FD6DB' } ]), stroke: 'rgba(3, 25, 63, .1)', //边框颜色 } }, { 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: '#F4D363' }, { offset: 1, color: '#1FD6DB' } ]), stroke: 'rgba(3, 25, 63, .1)', //边框颜色 } }, { 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: '#A58D3B' }, { offset: 1, color: '#F4D363' } ]), stroke: 'rgba(3, 25, 63, .1)', //边框颜色 } } ] } }, data: yData },{ name: '占比', type: "line", showSymbol: true, // smooth: true, symbol: 'circle', symbolSize: 15, yAxisIndex: 1, itemStyle: { color: "#01EEFD" }, lineStyle: { width: 3, }, areaStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{ offset: 0, color: 'rgba(67, 239, 255, .3)', }, { offset: 1, color: 'rgba(1, 17, 49, .3)', } ]), }, }, data: yData2 }] };