带旋转标签的列（Column with rotated labels）

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2023-12-01

以下是带有旋转标签的柱形图的示例。

我们已经在Highcharts Configuration Syntax一章中看到了用于绘制图表的配置。现在让我们看看其他配置以及我们如何在dataLabels中添加rotation属性。

下面给出了带有旋转标签的柱形图的示例。

dataLabels (dataLabels)

dataLabels是一个包装器对象，用于处理图表中的数据标签。

文字旋转度数。请注意，由于结构更复杂，旋转数据标签上的背景，边框和填充将丢失。默认为0。

dataLabels = {
   enabled: true,
   rotation: -90,
   color: '#FFFFFF',
   align: 'right',
   format: '{point.y:.1f}', // one decimal
   y: 10, // 10 pixels down from the top
   style: {
      fontSize: '13px',
      fontFamily: 'Verdana, sans-serif'
   }
}

例子 (Example)

highcharts_column_rotated.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: 'column'
            };
            var title = {
               text: 'World\'s largest cities per 2014'   
            };    
            var subtitle = {
               text: 'Source: <a href = "http://en.wikipedia.org/wiki/List_of_cities_proper_by_population">Wikipedia</a>'
            };
            var xAxis = {
               type: 'category',
               labels: {
                  rotation: -45,
                  style: {
                     fontSize: '13px',
                     fontFamily: 'Verdana, sans-serif'
                  }
               }
            };
            var yAxis = {
               min: 0,
               title: {
                 text: 'Population (millions)'
               }
            };  
            var tooltip = {
               pointFormat: 'Population in 2008: <b>{point.y:.1f} millions</b>'
            };   
            var credits = {
               enabled: false
            };
            var series = [
               {
                  name: 'Population',
                  data: [
                     ['Shanghai', 23.7],
                     ['Lagos', 16.1],
                     ['Instanbul', 14.2],
                     ['Karachi', 14.0],
                     ['Mumbai', 12.5],
                     ['Moscow', 12.1],
                     ['Sao Paulo', 11.8],
                     ['Beijing', 11.7],
                     ['Guangzhou', 11.1],
                     ['Delhi', 11.1],
                     ['Shenzhen', 10.5],
                     ['Seoul', 10.4],
                     ['Jakarta', 10.0],
                     ['Kinshasa', 9.3],
                     ['Tianjin', 9.3],
                     ['Tokyo', 9.0],
                     ['Cairo', 8.9],
                     ['Dhaka', 8.9],
                     ['Mexico City', 8.9],
                     ['Lima', 8.9]
                  ],
                  dataLabels: {
                     enabled: true,
                     rotation: -90,
                     color: '#FFFFFF',
                     align: 'right',
                     format: '{point.y:.1f}', // one decimal
                     y: 10, // 10 pixels down from the top
                     style: {
                        fontSize: '13px',
                        fontFamily: 'Verdana, sans-serif'
                     }
                  }
               }
            ];     
            var json = {};   
            json.chart = chart; 
            json.title = title;   
            json.subtitle = subtitle;
            json.xAxis = xAxis;
            json.yAxis = yAxis;   
            json.tooltip = tooltip;   
            json.credits = credits;
            json.series = series;
            $('#container').highcharts(json);
         });
      </script>
   </body>
</html>