已知组件ProTable有search属性并且已经在request属性中请求数据,ProTable有三个搜索项,如何用react+typescript的方式实现页面刷新或者前进后退仍然保持search的三个搜索项的数据和状态
时间: 2024-03-27 14:38:30 浏览: 134
要让页面刷新或前进后退时仍然保持搜索项的数据和状态,可以使用浏览器的历史记录api和React的useEffect钩子函数。
首先,在ProTable组件中,需要将三个搜索项的值保存到state中,并且在每次搜索时更新state。同时,在组件挂载时,需要检查浏览器的历史记录是否包含search参数,如果有,则将search参数中的值更新到state中。
```typescript
import React, { useState, useEffect } from 'react';
import { useHistory } from 'react-router-dom';
import ProTable from 'xxx';
interface SearchState {
search1: string;
search2: string;
search3: string;
}
const MyTable: React.FC = () => {
const [search, setSearch] = useState<SearchState>({
search1: '',
search2: '',
search3: ''
});
const history = useHistory();
useEffect(() => {
const { search: searchParam } = history.location;
const searchState = {} as SearchState;
if (searchParam) {
const params = new URLSearchParams(searchParam);
searchState.search1 = params.get('search1')!;
searchState.search2 = params.get('search2')!;
searchState.search3 = params.get('search3')!;
}
setSearch(searchState);
}, [history.location]);
const handleSearch = () => {
// 更新state
}
return (
<ProTable
search={{
searchText: '搜索',
resetText: '重置',
}}
request={xxx}
columns={xxx}
onSearch={handleSearch}
search={{
searchText: '搜索',
resetText: '重置',
optionRender: ({ searchText, resetText }, { form }) => [
<Button key="search" type="primary" onClick={handleSearch}>
{searchText}
</Button>,
<Button key="reset" onClick={() => form.resetFields()}>
{resetText}
</Button>,
],
}}
value={{
search1: search.search1,
search2: search.search2,
search3: search.search3
}}
onChange={(value) => setSearch(value)}
/>
)
}
```
然后,在每次更新state时,使用浏览器的pushState方法将搜索项的值添加到历史记录中。
```typescript
const handleSearch = () => {
// 更新state
const searchParams = new URLSearchParams({
search1: search.search1,
search2: search.search2,
search3: search.search3
});
const newUrl = `${window.location.pathname}?${searchParams.toString()}`;
window.history.pushState({ path: newUrl }, '', newUrl);
}
```
这样,当用户点击浏览器的后退或前进按钮时,React会重新渲染组件,并且useEffect钩子函数会检查浏览器的历史记录,从而将搜索项的值更新到state中,保持搜索项的数据和状态不变。
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