Highcharts不呈现:React + Typescript + Highcharts

问题描述 投票:1回答:1

试图用反应来提出一个高图。我有多个fetch api调用(为了说明,我只添加了2个),我将使用它来在UI中呈现内容。

在此示例中,data1用于呈现表,data2用于呈现高图。

我将这些调用的输出存储在状态对象中。当我调用这些API时,我获取数据但无法将其设置为highcharts的“series”属性以进行渲染,因此没有任何内容被渲染。

我正在获取的数据的结构

“api2”:[{“name”:“Test1”,“value”:12},{“name”:“Test2”,“value”:9}]

有人可以帮我弄这个吗?我哪里错了?

我正在使用highcharts-react-official

import * as React from 'react';
import Highcharts from 'highcharts'
import HighchartsReact from 'highcharts-react-official';

interface IState {
  data1: [];
  data2: [];
}

interface IProps {}

class Example extends React.Component<IProps,IState> {
  constructor(props:any)
  {
    super(props);
    this.state = {
       data1: [],
       data2: []
    }
  }

  componentDidMount()
  {
      Promise.all([
        fetch('http://localhost:3001/api1'),
        fetch('http://localhost:3001/api2')
      ])
      .then(([res1, res2]) => Promise.all([res1.json(), res2.json()]))
       .then(([data1, data2]) => this.setState({
         data1: data1, 
         data2: data2
      }));
  }

  render() {    
    let options:any;
    options = {
         chart: {
            type: 'column'
         },
      credits: false,
      exporting: {enabled: false},
      title: {
        text: ''
      },
      legend: {
                layout: 'vertical',
                align: 'right',
                verticalAlign: 'bottom'
            },
      xAxis: {
        visible:false
      },
      yAxis: {
        visible:false
      },
      plotOptions: {
        column: {
          dataLabels: {
                        enabled: true                         }
        }
      },
      series: this.state.data2
     };

    return(
      <div className="an-content">
          //some table rendering will happen here
          <HighchartsReact
                 highcharts={Highcharts}
                 options={options} 
          />
      </div>
    )
  }
} 
export default Example;
reactjs typescript highcharts fetch react-highcharts
1个回答
0
投票

您需要提供Highcharts所需的数据格式:

  this.setState({
      data2: data2.map(x => ({ name: x.name, data: [x.value] }))
  });

现场演示:https://codesandbox.io/s/7w2pw4p900

API参考:https://api.highcharts.com/highcharts/series.column.data

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