Highcharts 实例点击图表增加统计点

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Highcharts 实例点击图表增加统计点，Click the plot area to add a point. Click a point to remove it.

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<html>
<head>
<meta charset="UTF-8" />
<title>Highcharts 教程 | 时代Java与您共同学习(NowJava.com)</title>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/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: 'scatter',
	  margin: [70, 50, 60, 80],      
	  events: {
         click: function (e) {
            // find the clicked values and the series
            var x = e.xAxis[0].value,
            y = e.yAxis[0].value,
            series = this.series[0];
            // Add it
            series.addPoint([x, y]);
         }
      }
   };
   var title = {
      text: 'NowJava.com'   
   };   
   var subtitle = {
      text: '点击图表增加统计点，再次点击删除。'
   };
   var xAxis = {
      gridLineWidth: 1,
      minPadding: 0.2,
      maxPadding: 0.2,
      maxZoom: 60
   };
   var yAxis = {
      title: {
         text: '值'
      },
	  minPadding: 0.2,
      maxPadding: 0.2,
      maxZoom: 60,
      plotLines: [{
         value: 0,
         width: 1,
         color: '#808080'
      }]
   };   
   var legend = {
      enabled: false
   };
   var exporting = {
      enabled: false
   };
   var plotOptions = {
      series: {
         lineWidth: 1,
         point: {
            events: {
               'click': function () {
                  if (this.series.data.length > 1) {
                     this.remove();
                  }
               }
            }
         }
      }
   };
		
   var series= [{
      data: [[20, 20], [80, 80]]
   }];     
      
   var json = {};   
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<html>
<head>
<meta charset="UTF-8" />
<title>Highcharts 教程 | 时代Java与您共同学习(NowJava.com)</title>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/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: 'scatter',
	  margin: [70, 50, 60, 80],      
	  events: {
         click: function (e) {
            // find the clicked values and the series
            var x = e.xAxis[0].value,
            y = e.yAxis[0].value,
            series = this.series[0];
            // Add it
            series.addPoint([x, y]);
         }
      }
   };
   var title = {
      text: 'NowJava.com'   
   };   
   var subtitle = {
      text: '点击图表增加统计点，再次点击删除。'
   };
   var xAxis = {
      gridLineWidth: 1,
      minPadding: 0.2,
      maxPadding: 0.2,
      maxZoom: 60
   };
   var yAxis = {
      title: {
         text: '值'
      },
	  minPadding: 0.2,
      maxPadding: 0.2,
      maxZoom: 60,
      plotLines: [{
         value: 0,
         width: 1,
         color: '#808080'
      }]
   };   
   var legend = {
      enabled: false
   };
   var exporting = {
      enabled: false
   };
   var plotOptions = {
      series: {
         lineWidth: 1,
         point: {
            events: {
               'click': function () {
                  if (this.series.data.length > 1) {
                     this.remove();
                  }
               }
            }
         }
      }
   };
		
   var series= [{
      data: [[20, 20], [80, 80]]
   }];     
      
   var json = {};   
   json.chart = chart; 
   json.title = title;     
   json.subtitle = subtitle;
   json.xAxis = xAxis;
   json.yAxis = yAxis; 
   json.legend = legend;  
   json.exporting = exporting;  
   json.series = series;    
   json.plotOptions = plotOptions;    
   $('#container').highcharts(json);
  
});
</script>
</body>
</html>

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编辑于 2020-05-08 11:33:322020-05-08 11:33:32

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