以下是国家维护的所有内容,
const [name, setName] = useState('');
const [email, setEmail] = useState('');
const [phoneno, setPhoneno] = useState('');
const [data, setData] = useState([]); //TABLE 1
const [dataTwo, setDataTwo] = useState([]); //TABLE 2
需要使用添加按钮创建包含姓名、年龄、邮箱的表格
<form onSubmit={submitHandler}>
<div>
<label>Name</label>
<input type="text" onChange={nameHandler} value={name}></input>
</div>
<div>
<label>Email</label>
<input type="email" onChange={emailHandler} value={email}></input>
</div>
<div>
<label>Phone No</label>
<input type="text" onChange={phoneHandler} value={phoneno}></input>
</div>
<div>
<button type="submit">Add</button>
</div>
</form>
按下ADD按钮时,数据将传输到表1
表1有内容和收件箱按钮,
<div>
<h2>Table 1</h2>
</div>
<div>
<ul>
{data.map((item) => (
<div>
<li>
{item.name} - {item.email} - {item.phoneno}{' '}
<button onClick={() => deleteTableOneHandler(item)}>
Delete
</button>
</li>
</div>
))}
</ul>
</div>
const deleteTableOneHandler = (deleteitem) => {
setData(data.filter((item) => item !== deleteitem));
setDataTwo((value) => [...value, deleteitem]);
};
按下删除按钮时,表1中的数据将添加到表2中, 表1中的数据被删除
同样,当从表2中删除数据时,数据将添加回表1
<div>
<h2>Table 2</h2>
</div>
<div>
<ul>
{dataTwo.map((item) => (
<div>
<li>
{item.name} - {item.email} - {item.phoneno}{' '}
<button onClick={() => deleteTableTwoHandler(item)}>
Delete
</button>
</li>
</div>
))}
</ul>
</div>
const deleteTableTwoHandler = (deleteitem) => {
setDataTwo(data.filter((item) => item !== deleteitem));
setData((value) => [...value, deleteitem]);
};
一切都在按要求工作,只是当我从表2中删除数据时,它没有 按预期回应.