📅  最后修改于: 2022-03-11 15:03:48.391000             🧑  作者: Mango
import React, { Component } from 'react';
import './App.css';
import axios from 'axios'
import Chart from './components/Chart';
class App extends Component {
constructor(){
super();
this.state = {
chartData:{}
}
}
componentDidMount() {
this.getChartData();
}
getChartData() {
axios.get("http://www.json-generator.com/api/json/get/coXIyroYAy?indent=2").then(res => {
const coin = res.data;
let labels = [];
let data = [];
coin.forEach(element => {
labels.push(element.labels);
data.push(element.data);
});
console.log(coin)
this.setState({
chartData: {
labels:labels,
datasets: [
{
label: "Population",
data: data,
backgroundColor: [
"rgba(255, 99, 132, 0.6)",
"rgba(54, 162, 235, 0.6)",
"rgba(255, 99, 132, 0.6)"
],
}
]
}
});
});
}
render(){
return (
{Object.keys(this.state.chartData).length &&
}
);
}
}
export default App;