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我的App.jsx文件如下。ReactJS-無法讀取JSON數組
import React from 'react';
class App extends React.Component {
constructor() {
super();
this.state = {
data:require('json!./dataa.json')
}
}
render() {
return (
<body>
<div>
<Header/>
<center>
<table>
<tr><th>NAME</th><th>VALUE</th><th>COLOR</th><th>Edit Table</th></tr>
<tbody>
{this.state.data.table.map(person, i) => <TableRow key = {i} data = {person} />)}
</tbody></table></center>
</div>
</body>
);
}
}
class Header extends React.Component {
render() {
return (
<div><center>
<h1>Creation of table from JSON</h1></center>
</div>
);
}
}
class TableRow extends React.Component {
render() {
return (
<tr>
<td>{this.props.data.NAME}</td>
<td>{this.props.data.VALUE}</td>
<td>{this.props.data.COLOR}</td>
<td contentEditable='true'></td>
</tr>
);
}
}
export default App;
和我dataa.json文件就像下面
[{"table":
[{"NAME":"Alan","VALUE":12,"COLOR":"blue"},
{"NAME":"Shan","VALUE":13,"COLOR":"green"},
{"NAME":"John","VALUE":45,"COLOR":"orange"},
{"NAME":"Minna","VALUE":27,"COLOR":"teal"}]
}]
問:這是編譯的罰款。但它顯示在瀏覽器錯誤「無法讀取地圖未定義的屬性」。如何解決
注:但是當JSON文件一樣,
[{"NAME":"Alan","VALUE":12,"COLOR":"blue"},
{"NAME":"Shan","VALUE":13,"COLOR":"green"},
{"NAME":"John","VALUE":45,"COLOR":"orange"},
{"NAME":"Minna","VALUE":27,"COLOR":"teal"}]
}]
this.state.data.table.map無法正常工作。 ./app/components/dataa.json中的錯誤您可能需要一個合適的加載程序來處理此文件類型。 SyntaxError:意外標記(2:9) – James