Echarts在线免费图表

 
            let xaxisData = ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
let yaxisData = [90, 80, 100, 70, 65, 69, 80]
const offsetX = 18;
const offsetY = 9;
// 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();
   },
});

// 注册三个面图形
echarts.graphic.registerShape("CubeLeft", CubeLeft);
echarts.graphic.registerShape("CubeRight", CubeRight);
echarts.graphic.registerShape("CubeTop", CubeTop);

option = {
   backgroundColor: "#1146cc",
   tooltip: {
      trigger: "axis",
      axisPointer: {
         type: "shadow",
      },
      // backgroundColor: "rgba(255,255,255,0.75)",
      extraCssText: "box-shadow: 2px 2px 4px 0px rgba(0,0,0,0.3);",
      textStyle: {
         fontSize: 14,
         color: "#000",
      },
      formatter: (params, ticket, callback) => {
         const item = params[1];
         return item.name + " : " + item.value + " 个";
      },
   },
   grid: {
      left: "1%",
      right: "0%",
      top: "16%",
      bottom: "5%",
      containLabel: true,
   },
   xAxis: {
      type: 'category',
      data: xaxisData,
      axisLine: {
         show: false,
         lineStyle: {
            width: 1,
            color: '#545454'
         }
      },
      axisTick: {
         show: false
      },
      axisLabel: {
         fontSize: 16,
         color: 'rgba(255,255,255,0.7)'
      }
   },
   yAxis: {
      type: 'value',
      nameTextStyle: {
         color: '#fff',
         fontWeight: 400,
         fontSize: 14
      },
      axisLine: {
         show: false,
         lineStyle: {
            width: 1,
            color: '#545454'
         }
      },
      splitLine: {
         show: true,
         lineStyle: {
            type: 'dashed',//线的类型 虚线0
            opacity: 0.2//透明度
         },
      },
      axisTick: {
         show: false
      },
      axisLabel: {
         fontSize: 16,
         color: 'rgba(255,255,255,0.7)'
      },
   },
   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([api.value(0), 0]),
                     },
                     style: {
                        fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                           {
                              offset: 0,
                              color: '#04cee0'
                           },
                           {
                              offset: 0.5,
                              color: '#03d0e2',
                           },
                           {
                              offset: 0.95,
                              color: '#0e50cd'
                           },
                           {
                              offset: 1,
                              color: '#104bca'
                           }
                        ]),
                     },
                  },
                  {
                     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: '#04cee0'
                           },
                           {
                              offset: 0.5,
                              color: '#03d0e2',
                           },
                           {
                              offset: 0.95,
                              color: '#0e50cd'
                           },
                           {
                              offset: 1,
                              color: '#104bca'
                           }
                        ]),
                     },
                  },
                  {
                     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: '#04d0e2'
                     },
                  },
               ],
            };
         },
         data: yaxisData,
      },
      {
         type: "bar",
         itemStyle: {
            color: "transparent",
         },
         label: {
            normal: {
               show: true,
               position: 'top',
               fontSize: 16,
               color: 'rgba(255,255,255,0.7)',
               offset: [0, -15],
            },
         },
         data: yaxisData,
      },
   ],
};
if (option && typeof option === "object") {
    var index = 0; //播放所在下标
    var mTime = setInterval(function () {
        myChart.dispatchAction({
            type: 'showTip',
            seriesIndex: 0,
            dataIndex: index
        });
        index++;
        if (index >= 7) {
            index = 0;
        }
    }, 2800);
}