Echarts在线免费图表

 
            let name=['测试一','测试二','测试三','测试四','测试五','测试六','测试七','测试八','测试九'];
let value =[1,5,4,6,7,2,45,67,9];
let toolTims = null
const offsetX = 16;
const offsetY = 8;
// 绘制左侧面
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 - 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);
// 主体
option = {
   backgroundColor: "#010d3a",
   title: {
      text: '测试',
      left: 'center',
      textStyle: {
            color: '#2B7BD6',
      },
   },
   tooltip: {
      trigger: 'axis',
      axisPointer: {
         type: 'shadow',
      },
      formatter: function (params) {
         const item = params[1];
         return `${item.name}:${item.value }人`;
      },
   },
   grid: {
      // width: "95%",
      // height: "95%",
      top: "8%",
      left: "5%",
      right: "5%",
      bottom: "5%",
      containLabel: true,
   },
   xAxis: {
      type: 'category',
      data: name,
      // X
      axisLine: {
         show: true,
         lineStyle: {
            // width: 1,
            color: '#2B7BD6',
         },
      },
      axisTick: {
         show: false,
      },
      axisLabel: {
         fontSize: 14,
         interval: 0,
      },
   },
   yAxis: {
      name: '人数',
      type: 'value',
      // y
      axisLine: {
         show: true,
         lineStyle: {
            // width: 1,
            color: '#2B7BD6',
         },
      },
      splitLine: {
         show: true,
         // y-line
         lineStyle: {
            // width: 1,
            type:'dashed',
            color: '#153D7D',
         },
      },
      axisTick: {
         show: false,
      },
      axisLabel: {
         fontSize: 14,
      },
      // boundaryGap: ['20%', '20%'],
   },
   series: [
      // 柱体
      {
         name: '',
         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: '#33BCEB',
                           },
                           {
                              offset: 1,
                              color: '#337CEB',
                           },
                        ]),
                     },
                  },
                  {
                     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: '#28A2CE',
                           },
                           {
                              offset: 1,
                              color: '#1A57B7',
                           },
                        ]),
                     },
                  },
                  {
                     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: '#43C4F1',
                           },
                           {
                              offset: 1,
                              color: '#28A2CE',
                           },
                        ]),
                     },
                  },
               ],
            };
         },
         data: value,
      },
      // bar顶部数量
      {
         name: '',
         type: 'bar',
         label: {
            normal: {
               show: true,
               position: 'top',
               formatter: (e) => {
                  return`${e.value  }人`;
               },
               fontSize: 16,
               color: '#43C4F1',
               offset: [0, -15],
            },
         },
         itemStyle: {
            color: 'transparent',
         },
         tooltip: {},
         data: value,
      },
   ],
};
// tooltip自动轮播 若使用请做销毁处理
// if (option && typeof option === "object") {
//     var index = 0; 
//     toolTims = setInterval(function () {
//         myChart.dispatchAction({
//             type: 'showTip',
//             seriesIndex: 0,
//             dataIndex: index
//         });
//         index++;
//         if (index >= 7) {
//             index = 0;
//         }
//     }, 2800);
// }