具有负值的区域（Area with negative values）

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小牛编辑

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2023-12-01

以下是具有负值的面积图的示例。

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，让我们讨论具有负值的面积图的示例。

例子 (Example)

highcharts_area_negative.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: 'area'
            };
            var title = {
               text: 'Area chart with negative values'   
            };   
            var xAxis = {
               categories: ['Apples', 'Oranges', 'Pears', 'Grapes', 'Bananas']
            };
            var credits = {
               enabled: false
            };
            var series = [
               {
                  name: 'John',
                  data: [5, 3, 4, 7, 2]
               }, 
               {
                  name: 'Jane',
                  data: [2, -2, -3, 2, 1]
               }, 
               {
                  name: 'Joe',
                  data: [3, 4, 4, -2, 5]
               }
            ];
            var json = {};   
            json.chart = chart; 
            json.title = title; 
            json.xAxis = xAxis;
            json.credits = credits;
            json.series = series;
            $('#container').highcharts(json);
         });
      </script>
   </body>
</html>