dongqu9917
dongqu9917
2017-07-17 08:46
浏览 552
已采纳

如何在Chartjs中将Y轴值从浮点数更改为整数?

i want to change Yaxis from real number to integer and here is image, and please help me solve this problem

enter image description here

here is my code

var lineChartData = {
  labels: time,
  datasets: [{
    label: "Số người đăng kí ủng hộ",
    borderColor: window.chartColors.red,
    pointBackgroundColor: window.chartColors.red,
    fill: false,
    data: people_isProcessing
  }, {
    label: "Số người đã ủng hộ",
    borderColor: window.chartColors.purple,
    pointBackgroundColor: window.chartColors.purple,
    fill: false,
    data: people_isReceived
  }]
};

and here is my option for my chart

window.onload = function() {
  var chartEl = document.getElementById("chart");
  window.myLine = new Chart(chartEl, {
    type: 'line',
    data: lineChartData,
    options: {
      title: {
        display: true,
        text: 'Kindmate - Chart Static Donate'
      },
      tooltips: {
        enabled: true,
        mode: 'index',
        position: 'nearest',
        custom: customTooltips
      }
    }
  });
});
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2条回答 默认 最新

  • dongping9475
    dongping9475 2017-07-17 08:54
    已采纳

    In your case, you can set stepSize property to 1 for y-axis ticks, to change the y-axis values from float number to integer.

    options: {
       scales: {
          yAxes: [{
             ticks: {
                stepSize: 1
             }
          }]
       },
       ...
    }
    

    ᴅᴇᴍᴏ

    var chart = new Chart(ctx, {
       type: 'line',
       data: {
          labels: ['Jan', 'Feb', 'Mar', 'Apr'],
          datasets: [{
             label: '# of votes',
             data: [1, 2, 3, 4]
          }]
       },
       options: {
          scales: {
             yAxes: [{
                ticks: {
                   stepSize: 1
                }
             }]
          }
       }
    });
    <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.6.0/Chart.min.js"></script>
    <canvas id="ctx"></canvas>

    </div>
    
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  • dongliyan7318
    dongliyan7318 2017-07-17 08:53

    Try this:

    window.onload = function() {
                var chartEl = document.getElementById("chart");
                window.myLine = new Chart(chartEl, {
                    type: 'line',
                    data: lineChartData,
                    options: {
                        title:{
                            display:true,
                            text:'Kindmate - Chart Static Donate'
                        },
                        tooltips: {
                            enabled: true,
                            mode: 'index',
                            position: 'nearest',
                            custom: customTooltips
                        },
                          scales: {
                             yAxes: [{
                                 ticks: {
                                     beginAtZero: true,
                                     callback: function(value) {if (value % 1   === 0) {return value;}}
                                  }
                              }]
                         }
                    }
                });
    
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