问题描述
<UrlField source='fbUsername' />
如果结果是 fb 用户名 foo
,则此链接相对于 /foo
。
(?) 我怎样才能给这个网址加上前缀:
https://facebook.com/
所以结果是:
https://facebook.com/${fbUsername}
https://facebook.com/foo
解决方法
<UrlField>
只接受 URL 值。对于您的用例,您应该根据 the UrlField
source 编写自定义字段。类似的东西:
import * as React from 'react';
import { Link } from '@material-ui/core';
import { useRecordContext } from 'react-admin';
const MyUrlField = ({ source }) => {
const record = useRecordContext();
const value = record && record[source];
if (value == null) {
return null;
}
return (
<Link href={`https://facebook.com/${value}`}>
{value}
</Link>
);
});
MyUrlField.defaultProps = {
addLabel: true,};
,
基于@françois-zaninotto 的回答,我修复了一个语法错误,修复了一些使其工作的缺失 useRecordContext() 参数:
// ###############################################
// FbUrlField.js
import * as React from 'react';
import { Link } from '@material-ui/core';
import { useRecordContext } from 'react-admin';
const FbUrlField = ( props ) =>
{
const { source,target,rel } = props;
const record = useRecordContext(props);
const value = record && record[source];
if (value == null) {
return null;
}
return (
<Link href={`https://facebook.com/${value}`} target={target} rel={rel}>
{value}
</Link>
);
};
FbUrlField.defaultProps = {
addLabel: true,};
export default FbUrlField;
// ###############################################
// SomeList.js
import FbUrlField from './FbUrlField';
[...]
<FbUrlField
label='FB'
source='fbUsername'
target='_blank' // New window
rel="noopener noreferrer" // For security
/>