質問編集履歴
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コード追加
test
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お分かりになる方がいらっしゃいましたら、ご教授お願いしますｍ
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- Sample1
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```
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import React, {useState} from 'react';
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import { useForm } from "react-hook-form";
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import { Grid } from '@material-ui/core';
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import './address.css';
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import Phone from './Phone';
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function Address() {
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const {register, handleSubmit, getValues} = useForm();
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const [addresses, setAddresses] = useState(["address0"]);
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const [isPhone, setIsPhone] = useState([false])
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function addAddress() {
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const newAddresses = [...addresses];
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console.log("before", newAddresses, addresses, `address.${addresses.length}`);
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newAddresses.push(`address.${addresses.length}`);
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setAddresses(newAddresses);
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console.log(newAddresses, addresses, `address.${addresses.length}`);
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};
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function removeAddress(index) {
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if (addresses.length > 1) {
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const newAddresses = [...addresses];
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console.log("target", index);
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newAddresses.splice(index, 1);
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for (var i = index; i < newAddresses.length; i++) {
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newAddresses[i] = `address.${i}`;
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}
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setAddresses(newAddresses);
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console.log(newAddresses, addresses, `address.${addresses.length}`);
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}
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}
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function setPhone(index) {
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const newPhone = [...isPhone];
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newPhone[index] = true;
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setIsPhone(newPhone);
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}
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return (
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<form onSubmit={handleSubmit()}>
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<h3>Address</h3>
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<button type="button" onClick={addAddress}>
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Add Address
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</button>
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{addresses.map((address, index) => {
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return (
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<div key={address}>
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<fieldset className="fieldset" name={address}>
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<Grid container>
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<Grid item xs={4}>
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Address
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</Grid>
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<Grid item>
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<input
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type="text"
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name={address}
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size="40"
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ref={register}
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/>
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</Grid>
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</Grid>
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<Grid container>
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<Grid item xs={4}>
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Phone1 (Home)
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</Grid>
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<Grid item xs={4}>
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<input
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type="checkbox"
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name={`${address}_phone1`}
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ref={register}
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/>
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</Grid>
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</Grid>
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<Grid container>
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<Grid item xs={4}>
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Phone2 (Mobile)
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</Grid>
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<Grid item xs={4}>
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<input
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type="checkbox"
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name={`${address}_phone2`}
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ref={register}
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/>
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</Grid>
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</Grid>
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<button onClick={() => setPhone(index)}>add Phone Info</button>
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{isPhone[index] &&
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<Phone register={register} values={getValues} address={`address${index}`} />
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}
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</fieldset>
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<button type="button" onClick={() => removeAddress(index)}>
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-
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</button>
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</div>
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)
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})}
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</form>
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)
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}
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export default Address;
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```
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- Sample2
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```
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import React from 'react';
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import "./input.css";
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import { Grid } from '@material-ui/core';
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const Phone = ({ register, watch, values, address }) => {
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const address_phone1 = `values.${address}_phone1`;
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const address_phone2 = `values.${address}_phone2`;
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console.log("phone1:", address, "value1: ", address_phone1, "value2: ", address_phone2);
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return (
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<div>
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<fieldset>
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<h3>Phone Info {address}</h3>
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{address_phone1 &&
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<Grid container>
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<Grid item xs={4}>
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Phone1
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</Grid>
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<Grid item>
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<input
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type="text"
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name={`${address}_phone1_number`}
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size="15"
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defaultValue="03-XXXX-XXXX"
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ref={register}
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/>
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</Grid>
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</Grid>
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}
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{address_phone2 &&
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<Grid container>
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<Grid item xs={4}>
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Phone2
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</Grid>
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<Grid item>
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<input
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type="text"
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name={`${address}_phone2_number`}
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size="15"
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defaultValue="090-XXXX-XXXX"
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ref={register}
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/>
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</Grid>
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</Grid>
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}
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</fieldset>
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</div>
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)
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}
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export default Phone;
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```
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