Highcharts 热点图

本章节我们将为大家介绍 Highcharts 的热点图。

我们在前面的章节已经了解了 Highcharts 配置语法。接下来让我们来看下 Highcharts 的其他配置。

热点图

chart 配置

配置 chart 的 type 为 'heatmap' 。chart.type 描述了图表类型。默认值为 "line"。 

var chart = {
   type: 'heatmap'
};

实例

文件名：highcharts_heat_map.htm

<html>
<head>
<title>Highcharts 教程 | 悠悠之家(uoften.com)</title>
   <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
   <script src="/try/demo_source/highcharts.js"></script>
   <script src="/try/demo_source/highcharts-more.js"></script>    
   <script src="https://code.highcharts.com/modules/heatmap.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: 'heatmap',
      marginTop: 40,
      marginBottom: 80
   };
   var title = {
      text: '每星期每个员工的销售量'   
   };     

   var xAxis = {
      categories: ['Alexander', 'Marie', 'Maximilian', 'Sophia', 'Lukas', 'Maria', 'Leon', 'Anna', 'Tim', 'Laura']
   };
   
   var yAxis = {
      categories: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'],
      title: null
   };
   
   var colorAxis = {
      min: 0,
      minColor: '#FFFFFF',
      maxColor: Highcharts.getOptions().colors[0]
   };

   var legend = {
      align: 'right',
      layout: 'vertical',
      margin: 0,
      verticalAlign: 'top',
      y: 25,
      symbolHeight: 280
   };

   var tooltip = {
      formatter: function () {
         return '<b>' + this.series.xAxis.categories[this.point.x] + '</b> sold <br><b>' +
         this.point.value + '</b> items on <br><b>' + this.series.yAxis.categories[this.point.y] + '</b>';
      }
   };

   var series= [{
      name: 'Sales per employee',
      borderWidth: 1,
      data: [[0, 0, 10], [0, 1, 19], [0, 2, 8], [0, 3, 24], [0, 4, 67], [1, 0, 92], [1, 1, 58], [1, 2, 78], [1, 3, 117], [1, 4, 48], [2, 0, 35], [2, 1, 15], [2, 2, 123], [2, 3, 64], [2, 4, 52], [3, 0, 72], [3, 1, 132], [3, 2, 114], [3, 3, 19], [3, 4, 16], [4, 0, 38], [4, 1, 5], [4, 2, 8], [4, 3, 117], [4, 4, 115], [5, 0, 88], [5, 1, 32], [5, 2, 12], [5, 3, 6], [5, 4, 120], [6, 0, 13], [6, 1, 44], [6, 2, 88], [6, 3, 98], [6, 4, 96], [7, 0, 31], [7, 1, 1], [7, 2, 82], [7, 3, 32], [7, 4, 30], [8, 0, 85], [8, 1, 97], [8, 2, 123], [8, 3, 64], [8, 4, 84], [9, 0, 47], [9, 1, 114], [9, 2, 31], [9, 3, 48], [9, 4, 91]],
      dataLabels: {
         enabled: true,
         color: '#000000'
      }
   }];     
      
   var json = {};   
   json.chart = chart; 
   json.title = title;       
   json.xAxis = xAxis; 
   json.yAxis = yAxis; 
   json.colorAxis = colorAxis; 
   json.legend = legend; 
   json.tooltip = tooltip; 
   json.series = series;       
   
   $('#container').highcharts(json);
});
</script>
</body>
</html>