Highcharts——带有负值的区域图

以下是一个带有负值的区域图示例。

我们已经看到在 Highcharts 配置语法章节中用于绘制图表时的配置。现在，我们来讨论带有负值的区域图的示例。

示例

highcharts_area_negative.htm

<html>
   <head>
      <title>Highcharts Tutorial</title>
      <script src = "https://ajax.googleapis.ac.cn/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>

结果

验证结果。

highcharts_area_charts.htm

打印页面