Area-spline

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小牛编辑

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2023-12-01

以下是使用样条曲线的面积图示例。

我们已经在Highcharts Configuration Syntax一章中看到了用于绘制图表的配置。现在，我们将看到使用样条曲线的面积图示例。我们还将了解其他配置。我们在图表中更改了type属性。

图表

将图表类型配置为“areaspline”。 chart.type决定图表的系列类型。这里，默认值是“line”。

var chart = {
   type: 'areaspline'  
};

例子 (Example)

highcharts_area_spline.htm

<html>
   <head>
      <title>Highcharts Tutorial</title>
      <script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js">
      </script>
      <script src = "https://code.highcharts.com/highcharts.js"></script>  
   </head>
   <body>
      <div id = "container" style = "width: 550px; height: 400px; margin: 0 auto"></div>
      <script language = "JavaScript">
         $(document).ready(function() {  
            var chart = {
               type: 'areaspline'	  
            };
            var title = {
               text: 'Average fruit consumption during one week'   
            }; 
            var subtitle = {
               style: {
                  position: 'absolute',
                  right: '0px',
                  bottom: '10px'
               }
            };
            var legend = {
               layout: 'vertical',
               align: 'left',
               verticalAlign: 'top',
               x: 150,
               y: 100,
               floating: true,
               borderWidth: 1,
               backgroundColor: (
                  Highcharts.theme && Highcharts.theme.legendBackgroundColor) ||
                     '#FFFFFF'
            };
            var xAxis = {
               categories: ['Monday','Tuesday','Wednesday','Thursday',
                  'Friday','Saturday','Sunday']      
            };
            var yAxis = {
               title: {
                  text: 'Fruit units'
               }
            };
            var tooltip = {
               shared: true,
               valueSuffix: ' units'
            };
            var credits = {
               enabled: false
            }
            var plotOptions = {
               areaspline: {
                  fillOpacity: 0.5
               }
            };
            var series = [
               {
                  name: 'John',
                  data: [3, 4, 3, 5, 4, 10, 12]
               }, 
               {
                  name: 'Jane',
                  data: [1, 3, 4, 3, 3, 5, 4]
               }
            ];
            var json = {};
            json.chart = chart; 
            json.title = title;
            json.subtitle = subtitle; 
            json.xAxis = xAxis;
            json.yAxis = yAxis;
            json.legend = legend;
            json.plotOptions = plotOptions;
            json.credits = credits;
            json.series = series;
            $('#container').highcharts(json);
         });
      </script>
   </body>
</html>