尝试使用the sample given by FusionCharts更新React中的图表时，我无法让图表更新。它肯定会改变这个值，我通过添加这一行找到了它：
console.log(revenueChartConfigs.dataSource.data[2].value);
根据需要，该值从590000更改为420000，但图表不会更新。有没有人对此提出建议？我在下面粘贴了我的代码。感谢。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="js/fusioncharts.js"></script>
<script type="text/javascript" src="js/fusioncharts.charts.js"></script>
<script type="text/javascript" src="js/fusioncharts.gantt.js"></script>
<script type="text/javascript" src="js/fusioncharts.maps.js"></script>
<script type="text/javascript" src="js/fusioncharts.powercharts.js"></script>
<script type="text/javascript" src="js/fusioncharts.ssgrid.js"></script>
<script type="text/javascript" src="js/fusioncharts.treemap.js"></script>
<script type="text/javascript" src="js/fusioncharts.widgets.js"></script>
<script type="text/javascript" src="js/fusioncharts.zoomscatter.js"></script>
<script src="https://unpkg.com/react@15/dist/react.js"></script>
<script src="https://unpkg.com/react-dom@15/dist/react-dom.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.34/browser.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script type="text/javascript" src="js/react-fusioncharts.min.js"></script>
<script type='text/babel'>
$(document).ready(function(){
var myDataSource = {
chart: {
caption: "Top 5 stores in last month by revenue",
subCaption: "Harry's SuperMart",
numberPrefix: "$",
theme: "fint"
},
data: [{
label: "Bakersfield Central",
value: "880000"
}, {
label: "Garden Groove harbour",
value: "730000"
}, {
label: "Los Angeles Topanga",
value: "590000"
}, {
label: "Compton-Rancho Dom",
value: "520000"
}, {
label: "Daly City Serramonte",
value: "330000"
}]
};
var RevenueChart = React.createClass({
/**
** `getInitialState()` method is used to initialize the state of the
** the `RevenueChart` component.
**/
getInitialState: function () {
return {
eventTarget: ''
};
},
/**
** The `handleClick()` function is defined in the `RevenueChart` component.
** This function is configured to store the state of the `eventTarget` using
** the `setState()` method of React. This is binded to button click.
**/
handleCLick: function () {
this.setState({
eventTarget: 'btn-update-data'
});
},
render: function () {
var revenueChartConfigs = {
id: "revenue-chart",
renderAt: "revenue-chart-container",
type: "column2d",
width:600,
height: 400,
dataFormat: "json",
dataSource: myDataSource,
eventTarget: this.state.eventTarget,
impactedBy: ['btn-update-data']
};
/**
** Using the state, we update the `label` and `value` for the third and
** fourth data plots in the `render()` method of RevenueChart. The configuration
** object that is passed as props is used to refer to the `label`
** and `value` attributes of the `data` object array.
**/
if (this.state.eventTarget && this.state.eventTarget.length != 0) {
revenueChartConfigs.dataSource.data[2].label = "Art Supply Store";
revenueChartConfigs.dataSource.data[2].value = "420000";
revenueChartConfigs.dataSource.data[3].label = "P.C. Richard & Son";
revenueChartConfigs.dataSource.data[3].value = "320000";
}
else {
revenueChartConfigs.dataSource = myDataSource;
}
console.log(revenueChartConfigs.dataSource.data[2].value);
return (
<div>
/** The `FusionCharts` React component is used to render the chart. **/
<react_fc.FusionCharts {...revenueChartConfigs} />
/** Create a button, which when clicked will call the `handleClick()` function. **/
<a id='btn-update-data'
onClick={this.handleCLick}
className="btn btn-default"
href="#">{'Click me to change data'}</a>
</div>
);
}
});
ReactDOM.render(
<RevenueChart />,
document.getElementById('chart-container')
);
});
</script>
</head>
<body>
Hello
<div id="chart-container"></div>
</body>
</html>