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javascript - ApexChart 列在缩放时调整大小

转载 作者：行者123 更新时间：2023-12-05 05:53:49 27 4
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我想在用户放大我的图表时调整列宽。你能建议任何方法或选项吗？我搜索了 documentation但我没有找到任何解决方案。到目前为止，我尝试通过更改条形宽度百分比、响应选项和笔划宽度来尝试。笔划有重叠条的副作用，但我需要它们分开

缩放前

Before Zoom

Zoom 之后的实际行为

enter image description here

缩放后期望行为

enter image description here

到目前为止使用的代码

<!DOCTYPE html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Bar with Custom DataLabels</title>

    <link href="../../assets/styles.css" rel="stylesheet" />

    <style>
      #chart {
        max-width: 650px;
        margin: 35px auto;
      }
    </style>

    <script>
      window.Promise ||
        document.write(
          '<script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"><\/script>'
        );
      window.Promise ||
        document.write(
          '<script src="https://cdn.jsdelivr.net/npm/eligrey-classlist-js-polyfill@1.2.20171210/classList.min.js"><\/script>'
        );
      window.Promise ||
        document.write(
          '<script src="https://cdn.jsdelivr.net/npm/findindex_polyfill_mdn"><\/script>'
        );
    </script>

    <script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>

    <script>
      // Replace Math.random() with a pseudo-random number generator to get reproducible results in e2e tests
      // Based on https://gist.github.com/blixt/f17b47c62508be59987b
      var _seed = 42;
      Math.random = function () {
        _seed = (_seed * 16807) % 2147483647;
        return (_seed - 1) / 2147483646;
      };
    </script>
  </head>

  <body>
    <div id="chart"></div>

    <script>
      var options = {
        series: [
          {
            name: 'Net Profit',
            data: [
              95, 4, 48, 95, 71, 16, 44, 98, 75, 94, 28, 61, 76, 1, 54, 90, 19,
              5, 37, 57, 88, 31, 41, 59, 27, 96, 20, 65, 84, 49, 67, 73, 78, 22,
              75, 82, 67, 16, 4, 95, 84, 100, 76, 88, 66, 65, 14, 15, 46, 23,
              48, 91, 23, 18, 32, 15, 71, 73, 28, 2, 61, 21, 63, 30, 35, 62, 29,
              11, 71, 95, 43, 9, 59, 20, 85, 46, 59, 82, 4, 54, 60, 11, 15, 51,
              34, 12, 19, 45, 2, 89, 3, 6, 60, 17, 57, 16, 90, 13, 46, 8,
            ],
          },
          {
            name: 'Revenue',
            data: [
              97, 46, 49, 16, 11, 41, 36, 38, 16, 89, 71, 42, 68, 79, 52, 64,
              40, 38, 29, 32, 50, 74, 88, 76, 65, 50, 66, 56, 42, 45, 46, 39,
              29, 57, 68, 75, 34, 5, 100, 47, 79, 76, 53, 78, 39, 46, 13, 80,
              22, 61, 67, 61, 17, 86, 65, 76, 82, 63, 27, 58, 64, 6, 100, 39,
              25, 39, 14, 79, 12, 44, 9, 72, 63, 96, 27, 77, 70, 36, 100, 96, 5,
              36, 89, 25, 67, 53, 61, 86, 64, 46, 52, 41, 56, 1, 93, 45, 49, 23,
              35, 11,
            ],
          },
          {
            name: 'Free Cash Flow',
            data: [
              20, 32, 92, 20, 36, 25, 4, 61, 77, 49, 11, 74, 15, 21, 49, 52, 11,
              12, 12, 21, 78, 47, 95, 6, 68, 51, 66, 29, 67, 22, 100, 66, 42,
              48, 8, 94, 87, 74, 43, 72, 90, 34, 66, 23, 82, 79, 64, 79, 89, 53,
              25, 70, 25, 48, 43, 11, 17, 63, 30, 100, 79, 29, 41, 3, 99, 78,
              93, 53, 12, 99, 30, 76, 30, 18, 5, 11, 16, 38, 49, 87, 21, 67, 41,
              28, 13, 82, 1, 88, 79, 53, 3, 63, 61, 4, 5, 75, 83, 62, 17, 43,
            ],
          },
        ],
        annotations: {
          points: [
            {
              x: 'Bananas',
              seriesIndex: 0,
              label: {
                borderColor: '#775DD0',
                offsetY: 0,
                style: {
                  color: '#fff',
                  background: '#775DD0',
                },
                text: 'Bananas are good',
              },
            },
          ],
        },
        chart: {
          height: 350,
          type: 'bar',
        },
        plotOptions: {
          bar: {
            columnWidth: '100%',
          },
        },
        dataLabels: {
          enabled: false,
        },
        stroke: {
          width: 2,
        },

        grid: {
          row: {
            colors: ['#fff', '#f2f2f2'],
          },
        },
        xaxis: {
          labels: {
            rotate: -45,
          },
          categories: [
            31, 48, 33, 88, 5, 91, 76,
          ],
          tickPlacement: 'on',
        },
        yaxis: {
          title: {
            text: 'Servings',
          },
        },
        fill: {
          type: 'gradient',
          gradient: {
            shade: 'light',
            type: 'horizontal',
            shadeIntensity: 0.25,
            gradientToColors: undefined,
            inverseColors: true,
            opacityFrom: 0.85,
            opacityTo: 0.85,
            stops: [50, 0, 100],
          },
        }
      };

      var chart = new ApexCharts(document.querySelector('#chart'), options);
      chart.render();
    </script>
  </body>

最佳答案

这不是一个完整的答案，但想分享我的发现。
IMO OP 请求的功能应该是默认行为。

无论如何，我发现通过使用zoomed事件，我们可以找到缩放的x轴范围。
然后从该范围之外的系列中删除数据点并重新绘制图表。
这会导致完全符合预期的行为。
但是，这会破坏缩小到原始系列的能力。

要完成这项工作，我认为您需要实现自定义缩放按钮，
允许跟踪发生的操作、放大或缩小。
这将使您知道重新绘制图表时要包括哪些数据点。
您可以使用 zoomX 方法手动设置缩放级别。

请参阅以下工作代码段了解仅放大功能。

<!DOCTYPE html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Bar with Custom DataLabels</title>

    <link href="../../assets/styles.css" rel="stylesheet" />

    <style>
      #chart {
        max-width: 650px;
        margin: 35px auto;
      }
    </style>

    <script>
      window.Promise ||
        document.write(
          '<script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"><\/script>'
        );
      window.Promise ||
        document.write(
          '<script src="https://cdn.jsdelivr.net/npm/eligrey-classlist-js-polyfill@1.2.20171210/classList.min.js"><\/script>'
        );
      window.Promise ||
        document.write(
          '<script src="https://cdn.jsdelivr.net/npm/findindex_polyfill_mdn"><\/script>'
        );
    </script>

    <script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>

    <script>
      // Replace Math.random() with a pseudo-random number generator to get reproducible results in e2e tests
      // Based on https://gist.github.com/blixt/f17b47c62508be59987b
      var _seed = 42;
      Math.random = function () {
        _seed = (_seed * 16807) % 2147483647;
        return (_seed - 1) / 2147483646;
      };
    </script>
  </head>

  <body>
    <div id="chart"></div>

    <script>
      var data = [
        {
          name: 'Net Profit',
          data: [
            95, 4, 48, 95, 71, 16, 44, 98, 75, 94, 28, 61, 76, 1, 54, 90, 19,
            5, 37, 57, 88, 31, 41, 59, 27, 96, 20, 65, 84, 49, 67, 73, 78, 22,
            75, 82, 67, 16, 4, 95, 84, 100, 76, 88, 66, 65, 14, 15, 46, 23,
            48, 91, 23, 18, 32, 15, 71, 73, 28, 2, 61, 21, 63, 30, 35, 62, 29,
            11, 71, 95, 43, 9, 59, 20, 85, 46, 59, 82, 4, 54, 60, 11, 15, 51,
            34, 12, 19, 45, 2, 89, 3, 6, 60, 17, 57, 16, 90, 13, 46, 8,
          ],
        },
        {
          name: 'Revenue',
          data: [
            97, 46, 49, 16, 11, 41, 36, 38, 16, 89, 71, 42, 68, 79, 52, 64,
            40, 38, 29, 32, 50, 74, 88, 76, 65, 50, 66, 56, 42, 45, 46, 39,
            29, 57, 68, 75, 34, 5, 100, 47, 79, 76, 53, 78, 39, 46, 13, 80,
            22, 61, 67, 61, 17, 86, 65, 76, 82, 63, 27, 58, 64, 6, 100, 39,
            25, 39, 14, 79, 12, 44, 9, 72, 63, 96, 27, 77, 70, 36, 100, 96, 5,
            36, 89, 25, 67, 53, 61, 86, 64, 46, 52, 41, 56, 1, 93, 45, 49, 23,
            35, 11,
          ],
        },
        {
          name: 'Free Cash Flow',
          data: [
            20, 32, 92, 20, 36, 25, 4, 61, 77, 49, 11, 74, 15, 21, 49, 52, 11,
            12, 12, 21, 78, 47, 95, 6, 68, 51, 66, 29, 67, 22, 100, 66, 42,
            48, 8, 94, 87, 74, 43, 72, 90, 34, 66, 23, 82, 79, 64, 79, 89, 53,
            25, 70, 25, 48, 43, 11, 17, 63, 30, 100, 79, 29, 41, 3, 99, 78,
            93, 53, 12, 99, 30, 76, 30, 18, 5, 11, 16, 38, 49, 87, 21, 67, 41,
            28, 13, 82, 1, 88, 79, 53, 3, 63, 61, 4, 5, 75, 83, 62, 17, 43,
          ],
        },
      ];
      var options = {
        series: data,
        annotations: {
          points: [
            {
              x: 'Bananas',
              seriesIndex: 0,
              label: {
                borderColor: '#775DD0',
                offsetY: 0,
                style: {
                  color: '#fff',
                  background: '#775DD0',
                },
                text: 'Bananas are good',
              },
            },
          ],
        },
        chart: {
          height: 350,
          id: 'thisChart',
          type: 'bar',
          events: {
            zoomed: function(chartContext, {xaxis, yaxis}) {
              console.log('zoom', xaxis);
              
              var newSeries = data.map(function (series) {
                var newData = [];
                series.data.forEach(function (row, index) {
                  if ((index >= xaxis.min) && (index <= xaxis.max)) {
                    newData.push(row);
                  }
                });
                return {
                  name: series.name,
                  data: newData
                };
              });
              ApexCharts.exec('thisChart', 'updateSeries', newSeries, true);              
            }
          }
        },
        plotOptions: {
          bar: {
            columnWidth: '100%',
          },
        },
        dataLabels: {
          enabled: false,
        },
        stroke: {
          width: 2,
        },

        grid: {
          row: {
            colors: ['#fff', '#f2f2f2'],
          },
        },
        xaxis: {
          labels: {
            rotate: -45,
          },
          categories: [
            31, 48, 33, 88, 5, 91, 76,
          ],
          tickPlacement: 'on',
        },
        yaxis: {
          title: {
            text: 'Servings',
          },
        },
        fill: {
          type: 'gradient',
          gradient: {
            shade: 'light',
            type: 'horizontal',
            shadeIntensity: 0.25,
            gradientToColors: undefined,
            inverseColors: true,
            opacityFrom: 0.85,
            opacityTo: 0.85,
            stops: [50, 0, 100],
          },
        }
      };

      var chart = new ApexCharts(document.querySelector('#chart'), options);
      chart.render();
    </script>
  </body>

关于javascript - ApexChart 列在缩放时调整大小，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/69828906/

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