[英]react hook not changing form values
剛接觸 React 並在現有項目上工作。 我希望當 Select Elment 更改(正確調用 onInstrumentSelected)時,使用其相關值填充表單的其他字段,但不起作用。 我可以獲得正確的數據(在 console.log 中檢查),但無法通過相關的新數據重新填寫表單。
const { Option, OptGroup } = Select;
const SettingsViewComponent: React.FC<{ base_instruments: any }> = props => {
let [settings, setSettings] = React.useState<ISettings>();
const instSearch = props.base_instruments;
let insId = 0;
React.useEffect(() => {
async function fetchsettings(ins) {
getSettings(ins)
.then(rsp => {
setSettings(rsp.data);
});
}
fetchsettings(insId)
}, [insId]);
const onInstrumentSelected = async (value, option) => {
insId = option.value;
const stt= await getSettings(option.value);
if (stt!= null) {
console.log(stt.data); //correct data here
// not working part:
settings = stt.data
setSettings(stt.data);
} else {
message.error('error');
}
};
return !settings ? (
<div />
) : (
<Form
initialValues={settings}
onFinish={onFinish}
onFinishFailed={onFinishFailed}>
<Form.Item label="instrument" name="instrumentId">
<Select onSelect={(val, op) => onInstrumentSelected(val, op)}>
{instOptions}
</Select>
</Form.Item>
<Form.Item label="Field 1" name="field1" >
<Input />
</Form.Item>
<Form.Item label="Field 2" name="field2" >
<Input />
</Form.Item>
<Form.Item label="Field3" name="field3">
<Input />
</Form.Item>
</Form>);};
export default SettingsViewComponent;
我從ant.design找到了解決方案並解決了如下問題,關鍵的變化是在表單上使用setFieldsValue
:
// some unchanged
const [form] = Form.useForm();
const onInstrumentSelected = async (value, option) => {
const stt= await getSettings(option.value);
if (stt!= null) {
console.log(stt.data); //correct data here
settings = stt.data
form.setFieldsValue({ field1: settings.field1});
form.setFieldsValue({ field2: settings.field2});
form.setFieldsValue({ field3: settings.field3});
} else {
message.error('error');
}
};
return !settings ? (
<div />
) : (
<Form form={form}
// unchanged
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