import React from 'react'; import { Line } from 'react-chartjs-2'; 创建一个包含数据和配置选项的对象,用于设置图表的外观和行为。在配置选项中,可以设置y轴的值。 代码语言:txt 复制 const data = { labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'], datase...
importReact, {Component}from'react';import{Line}from'react-chartjs-2';importChartfrom'chart.js';constline = {labels: [],datasets: [ {label:'My First dataset',fill:false,data: [] } ] };setInterval(function(){ line.labels.push(Math.floor(Math.random() *100)); line.datasets[0].data...
import React from 'react'; import { Line } from 'react-chartjs-2'; const data = { labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'], datasets: [ { label: 'My First dataset', backgroundColor: 'rgba(75,192,192,0.4)', borderColor: 'rgba(75,192,192...
1.首先实施刷新方面 利用react hooks的 state和useEffect的钩子,部分参考代码例子如下 let[state,setState]=useState({labels:labelsList(),datasets:[{label:'SPL',data:[]asany,fill:true,borderColor:'rgba(41, 86, 155, 1)',backgroundColor:'rgba(97, 146, 186, 0.5)',showLine:true},],});// ...
I ccreated an Extra functional Linechart Component from the LineChart Example with React hooks. Expected Behavior const [chartData, setChartData] = useState({}); When using useState for initial value default {} should be accepted like in...
}exportdefaultLineChart; 您需要更新图表,线只是图表上的配置设置,此更新需要流回处理程序 为了让您走上正确的道路,这是我的意思的一个例子 varconfig = {};classChartextendsComponent{constructor() {super();this.ctx=document.getElementById(this._rootNodeID).getContext("2d");this.chart=newChart(ctx, ...
How to have two consecutive points in a line chart be in the same category? I ended up figuring the problem out with the following, using the parsing option: data: { datasets: [{ data: [ {number: 10, month: 'January'}, {... Kevin 11 answered Sep 5 at 17:59 Top 50 recent ...
I am getting the following errors: TypeError: Cannot read properties of undefined (reading 'visible') where the error references the following line and function: _getSortedDatasetMetas(filterVisible) { const me = this; const metasets = m...
import React from 'react' import { Line } from 'react-chartjs-2'; const GraphElement = () => { const chartData = { labels: timeData, datasets: [ { label: 'Temperature', data: temperatureData, fill: false, borderColor: 'rgb(255, 99, 132)', tension: 0.1, }, { label: 'Humidit...
在react-chartjs-2中更改图形网格和轴的颜色,可以通过配置选项来实现。 首先,需要安装react-chartjs-2和chart.js依赖包: 代码语言:txt 复制 npm install react-chartjs-2 chart.js 然后,在React组件中引入所需的依赖: 代码语言:txt 复制 import React from 'react'; import { Line } from 'react-ch...