我是 Ionic 的新手。我創建了一個簡單的表單,它通過 react-hook-form Controller 有一個 Title 和 Message 欄位。所以在“as”中發生了錯誤
在這里找到影像
CMD 中的錯誤資訊
import * as React from "react";
import { IonCard, IonCardContent, IonCardHeader, IonContent, IonHeader, IonTextarea, IonInput, IonLabel, IonPage, IonItem, IonTitle, IonToolbar, IonButton } from '@ionic/react';
import ExploreContainer from '../components/ExploreContainer';
import './Home.css';
import { Controller, useForm } from "react-hook-form";
const Home: React.FC = () => {
const initialValues = {
title: "",
body: ""
}
const { control, reset, handleSubmit, formState} = useForm({
defaultValues: initialValues
});
const onSubmit = (data: any) => {
alert(JSON.stringify(data, null, 2));
}
const resetForm = () => {
reset(initialValues);
}
// const renderErrorMessage = (_key : string ) => {
// let theErrors = (errors as any)[_key];
// return <span>theErrors.message || "This Is A Required Field"</span>
// }
return (
<IonPage>
<IonHeader>
<IonToolbar>
<IonTitle size="large">Form Test - React Hook Form</IonTitle>
</IonToolbar>
</IonHeader>
<IonContent fullscreen>
<IonCard>
<IonCardHeader>Test Input Form</IonCardHeader>
</IonCard>
<IonCardContent>
<form onSubmit={handleSubmit(onSubmit)}>
<IonItem>
<IonLabel>Title</IonLabel>
<Controller
as = {IonInput}
control={control}
onChangeName="onIonChange"
onChange={(selected:any) => {
return selected.detail.value;
}}
name="title"
rules={{
required: true,
minLength: { value: 4, message: "Must be 4 chars long" }
}}
/>
</IonItem>
{/* {errors.title ? renderErrorMessage("title") : null} */}
<IonItem>
<IonLabel>Body</IonLabel>
<Controller
as = {<IonTextarea rows={5}></IonTextarea>}
control={control}
onChangeName="onIonChange"
onChange={(selected:any) => {
return selected.detail.value;
}}
name="body"
rules={{
required: true,
minLength: { value: 10, message: "Must be 10 chars long" }
}}
/>
</IonItem>
{/* {errors.body ? renderErrorMessage("body") : null} */}
<IonButton type="submit">SAVE</IonButton>
<IonButton onClick={() => resetForm()}>Reset Form</IonButton>
</form>
</IonCardContent>
</IonContent>
</IonPage>
);
};
export default Home;
Visual Studio Code 在定義輸入欄位時在 Controller Tag 中的 as 關鍵字下方顯示錯誤行。我已經安裝了 react-hook-form 庫
離子:
離子 CLI:6.18.1 離子框架:@ionic/react 6.0.1
電容器:
電容器 CLI:3.3.3 @capacitor/android:未安裝 @capacitor/core:3.3.3 @capacitor/ios:未安裝
公用事業:
cordova-res:未全域安裝本機運行:1.5.0
系統:
NodeJS:v16.13.1 (C:\Program Files\nodejs\node.exe) npm:8.1.2 作業系統:Windows 10
uj5u.com熱心網友回復:
該as道具已經在去除反應鉤形式V7,這就是你得到這個錯誤。(假設您使用的是 v7)。你必須使用render道具。
???? 控制器檔案:https ://react-hook-form.com/api/usecontroller/controller
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