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amCharts简单柱形图

  • 代码案例
<!DOCTYPE html>
<html>
  <head>
    <script src="https://cdn.amcharts.com/lib/5/index.js"></script>
    <script src="https://cdn.amcharts.com/lib/5/xy.js"></script>
    <script src="https://cdn.amcharts.com/lib/5/themes/Animated.js"></script>
    <script src="https://cdn.amcharts.com/lib/5/themes/Responsive.js"></script>
    <style>
        #chartdiv {
          width: 600PX;
          height: 350px;
        }
    </style>
  </head>
  <body>
    <div id="chartdiv"></div>
    <script>
        am5.ready(function() {
        
        // Create root element
        // https://www.amcharts.com/docs/v5/getting-started/#Root_element
        var root = am5.Root.new("chartdiv");
        
        const myTheme = am5.Theme.new(root);
        
        myTheme.rule("AxisLabel", ["minor"]).setAll({
          dy:1
        });
        
        // Set themes
        // https://www.amcharts.com/docs/v5/concepts/themes/
        root.setThemes([
          am5themes_Animated.new(root),
          myTheme,
          am5themes_Responsive.new(root)
        ]);
        
        // Create chart
        // https://www.amcharts.com/docs/v5/charts/xy-chart/
        var chart = root.container.children.push(am5xy.XYChart.new(root, {
          panX: false,
          panY: false,
          wheelX: "panX",
          wheelY: "zoomX",
          paddingLeft:0
        }));
        
        // Add cursor
        // https://www.amcharts.com/docs/v5/charts/xy-chart/cursor/
        var cursor = chart.set("cursor", am5xy.XYCursor.new(root, {
          behavior: "zoomX"
        }));
        cursor.lineY.set("visible", false);
        
        var date = new Date();
        date.setHours(0, 0, 0, 0);
        var value = 100;
        
        function generateData() {
          value = Math.round((Math.random() * 10 - 5) + value);
          am5.time.add(date, "day", 1);
          return {
            date: date.getTime(),
            value: value
          };
        }
        
        function generateDatas(count) {
          var data = [];
          for (var i = 0; i < count; ++i) {
            data.push(generateData());
          }
          return data;
        }
        
        // Create axes
        // https://www.amcharts.com/docs/v5/charts/xy-chart/axes/
        var xAxis = chart.xAxes.push(am5xy.DateAxis.new(root, {
          maxDeviation: 0,
          baseInterval: {
            timeUnit: "day",
            count: 1
          },
          renderer: am5xy.AxisRendererX.new(root, {
            minorGridEnabled:true,
            minorLabelsEnabled:true
          }),
          tooltip: am5.Tooltip.new(root, {})
        }));
        
        xAxis.set("minorDateFormats", {
          "day":"dd",
          "month":"MM"
        });
        
        var yAxis = chart.yAxes.push(am5xy.ValueAxis.new(root, {
          renderer: am5xy.AxisRendererY.new(root, {})
        }));
        
        // Add series
        // https://www.amcharts.com/docs/v5/charts/xy-chart/series/
        var series = chart.series.push(am5xy.ColumnSeries.new(root, {
          name: "Series",
          xAxis: xAxis,
          yAxis: yAxis,
          valueYField: "value",
          valueXField: "date",
          tooltip: am5.Tooltip.new(root, {
            labelText: "{valueY}"
          })
        }));
        
        series.columns.template.setAll({ strokeOpacity: 0 })
        
        // Add scrollbar
        // https://www.amcharts.com/docs/v5/charts/xy-chart/scrollbars/
        chart.set("scrollbarX", am5.Scrollbar.new(root, {
          orientation: "horizontal"
        }));
        
        var data = generateDatas(30);
        series.data.setAll(data);
        
        // Make stuff animate on load
        // https://www.amcharts.com/docs/v5/concepts/animations/
        series.appear(1000);
        chart.appear(1000, 100);
        
        }); // end am5.ready()
    </script>
  </body>
</html>
  • 效果图
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posted @ 2024-04-26 15:54  DogLeftover  阅读(6)  评论(0编辑  收藏  举报