You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
---
|
|
|
|
order: 8
|
|
|
|
title:
|
|
|
|
zh-CN: ErrorBoundary
|
|
|
|
en-US: React 错误处理
|
|
|
|
---
|
|
|
|
|
|
|
|
## zh-CN
|
|
|
|
|
|
|
|
友好的 [React 错误处理](https://reactjs.org/blog/2017/07/26/error-handling-in-react-16.html) 包裹组件。
|
|
|
|
|
|
|
|
## en-US
|
|
|
|
|
|
|
|
ErrorBoundary Component for making error handling easier in [React](https://reactjs.org/blog/2017/07/26/error-handling-in-react-16.html).
|
|
|
|
|
|
|
|
```tsx
|
|
|
|
import React, { useState } from 'react';
|
|
|
|
import { Button, Alert } from 'antd';
|
|
|
|
|
|
|
|
const { ErrorBoundary } = Alert;
|
|
|
|
const ThrowError: React.FC = () => {
|
|
|
|
const [error, setError] = useState<Error>();
|
|
|
|
const onClick = () => {
|
|
|
|
setError(new Error('An Uncaught Error'));
|
|
|
|
};
|
|
|
|
|
|
|
|
if (error) {
|
|
|
|
throw error;
|
|
|
|
}
|
|
|
|
return (
|
|
|
|
<Button type="danger" onClick={onClick}>
|
|
|
|
Click me to throw a error
|
|
|
|
</Button>
|
|
|
|
);
|
|
|
|
};
|
|
|
|
|
|
|
|
ReactDOM.render(
|
|
|
|
<ErrorBoundary>
|
|
|
|
<ThrowError />
|
|
|
|
</ErrorBoundary>,
|
|
|
|
mountNode,
|
|
|
|
);
|
|
|
|
```
|