离开画布时,chartjs 工具提示被切断

chartjs tooltip is cut off when out of canvas(离开画布时,chartjs 工具提示被切断)

本文介绍了离开画布时,chartjs 工具提示被切断的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我目前正在使用 chartjs (

解决方案

有多种解决方法.

一种方法(在你的情况下),你可以解决这个问题,就是为你的图表布局设置底部填充,就像这样......

选项:{布局: {填充:{底部:25//最适合的设置}},...}

ᴅᴇᴍᴏ

var ctx = document.getElementById("myChart").getContext('2d');var myChart = new Chart(ctx, {类型:'线',数据: {标签:['一月','二月','三月','四月','五月','六月','七月','八月','九月'],数据集:[{标签:'标准评级',数据:[0.1, 0.02, 3, 4, 5, 6, 7, 8, 9],backgroundColor: 'rgba(209, 230, 245, 0.5)',borderColor: 'rgba(56, 163, 236, 1)',边框宽度:1}]},选项: {布局: {填充:{底部:25//最适合的设置}},响应:错误,工具提示:{yAlign: '顶部'}}});

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></脚本><canvas id="myChart" width="350" height="200"></canvas>

I'm currently using chartjs (chartjs).

Tooltip is cutted, because it go out of canvas. How I can fix this behavior?

解决方案

There are multiple ways of solving this.

One way (in your case), you can solve this, is by setting the bottom padding for your chart layout , like so ...

options: {
   layout: {
      padding: {
         bottom: 25  //set that fits the best
      }
   },
   ...
}

ᴅᴇᴍᴏ

var ctx = document.getElementById("myChart").getContext('2d');
var myChart = new Chart(ctx, {
   type: 'line',
   data: {
      labels: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sept'],
      datasets: [{
         label: 'Standard Rating',
         data: [0.1, 0.02, 3, 4, 5, 6, 7, 8, 9],
         backgroundColor: 'rgba(209, 230, 245, 0.5)',
         borderColor: 'rgba(56, 163, 236, 1)',
         borderWidth: 1
      }]
   },
   options: {
      layout: {
         padding: {
            bottom: 25  //set that fits the best
         }
      },
      responsive: false,
      tooltips: {
         yAlign: 'top'
      }
   }
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></script>
<canvas id="myChart" width="350" height="200"></canvas>

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