Echarts在线免费图表

 
            // 柱状图的宽度，y是x的一半
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;
      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();
   },
});
// // 绘制底面
const CubeBottom = echarts.graphic.extendShape({
   shape: {
      x: 10,
      y: 10,
   },
   buildPath: function (ctx, shape) {
      const xAxisPoint = shape.xAxisPoint;
      const c1 = [xAxisPoint[0] - offsetX, xAxisPoint[1] - offsetY];
      const c2 = [xAxisPoint[0], xAxisPoint[1]]; // 右点
      const c3 = [xAxisPoint[0] + offsetX, xAxisPoint[1] - offsetY];
      const c4 = [xAxisPoint[0], xAxisPoint[1] - offsetX];
      ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath();
   },
});

// 注册图形
echarts.graphic.registerShape('CubeLeft', CubeLeft);
echarts.graphic.registerShape('CubeRight', CubeRight);
echarts.graphic.registerShape('CubeTop', CubeTop);
echarts.graphic.registerShape('CubeBottom', CubeBottom);
const dataX = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11'];
const barData = [97.72, 96.57, 97.11, 98.26, 97.58, 98.03, 97.61, 97.64, 98.52, 97.75, 98.6];
let colors = ['#3498ba', '#3c7cb7', '#46d8fa', '#4daefc', '#3ae3fd']
option = {
   //你的代码
   backgroundColor: "#000",
   color: ['#097dc0', '#26D6D7'],
   grid: {
      top: '10%',
      left: '3%',
      right: '3%',
      bottom: '5%',
      containLabel: true,
   },
   xAxis: {
      type: 'category',
      // boundaryGap: false,
      axisLine: {
         //坐标轴轴线相关设置。数学上的x轴
         show: true,
         lineStyle: {
            color: 'rgb(41,188,245)',
         },
      },
      axisLabel: {
         //坐标轴刻度标签的相关设置
         textStyle: {
            color: '#FFFFFF',
            fontSize: 22,
         },
      },
      splitLine: {
         show: false,
         lineStyle: {
            color: '#233653',
         },
      },
      axisTick: {
         show: false,
      },
      data: dataX,
   },
   yAxis: [
      {
         name: "aa",
         nameTextStyle: {
            color: '#fff',
            fontSize: 22,
         },
         min: 0,
         max: 100,
         type: 'value',
         splitLine: {
            show: true,
            lineStyle: {
               color: '#1160a0',
               type: 'dashed',
            },
         },
         axisLine: {
            show: true,
            lineStyle: {
               color: '#008de7',
            },
         },
         axisLabel: {
            show: true,
            textStyle: {
               color: '#fff',
               fontSize: 22,
            },
         },
         axisTick: {
            show: false,
         },
      },
   ],
   series: [
      {
         name: '时长',
         type: 'custom',
         renderItem: (params, api) => {
            const location = api.coord([api.value(0), api.value(1)]);
            return {
               type: 'group',
               x: 0,
               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: colors[0],
                           },
                           {
                              offset: 1,
                              color: colors[1],
                           },
                        ]),
                        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: colors[2],
                           },
                           {
                              offset: 1,
                              color: colors[3],
                           },
                        ]),
                        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: colors[4],
                           },
                           {
                              offset: 1,
                              color: colors[4],
                           },
                        ]),
                        stroke: 'rgba(3, 25, 63, .1)', //边框颜色
                     },
                  },
               ],
            };
         },
         data: barData,
      },
      {
         type: 'bar',
         label: {
            normal: {
               show: true,
               position: 'top',
               formatter: (e) => {
                  return e.value;
               },
               fontSize: 22,
               color: '#fff',
               offset: [0, -25],
            },
         },
         itemStyle: {
            color: 'transparent',
         },
         tooltip: {},
         data: barData,
      },
   ],
};