在我的应用程序中，我有一个列出员工姓名的表格，我目前可以单击“全部展开”按钮来一次显示每位员工的附加信息。我正在尝试实现一个按钮，该按钮将展开并显示相同的信息，但仅限于被点击的一名员工。我目前有一个“扩展”按钮，控制台记录了该员工的信息，但我不知道如何显示它。
呈现所有信息的组件
import { useState, useEffect } from "react"
// import { EmployeeForm } from "./EmployeeForm"
export function EmployeeTable() {
const [employees, setEmployees] = useState([])
const [employeeId, setEmployeeId] = useState([])
const [update, setUpdate] = useState(false)
const [expand, setExpand] = useState(false)
const [expandSingle, setExpandSingle] = useState(false)
const [firstName, setFirstName] = useState('')
const [lastName, setLastName] = useState('')
useEffect(() => {
fetch('/api/employees')
.then(res => res.json())
.then(json => setEmployees(json.employees)
)
// console.log(expand)
}, [])
const expandAllEmployees = () => {
if(expand === false) {
setExpand(true)
} if(expand === true) {
setExpand(false)
}
console.log(expand)
}
const expandSingleEmployee = (email, phone, address, bio) => {
if(expandSingle === false) {
setExpandSingle(true)
return(email, phone, address.streetAddress, address.city, address.state, address.zipCode, bio)
} if(expandSingle === true) {
setExpandSingle(false)
}
console.log(email, phone, address.streetAddress, address.city, address.state, address.zipCode, bio)
}
const updateEmployee = async () => {
try {
const res = await fetch(`/api/employees/${employeeId}`,
{method: 'PATCH', body: JSON.stringify({firstName, lastName})})
const json = await res.json()
const employeesCopy = [...employees]
const index = employees.findIndex((employee) => employee.id === employeeId)
employeesCopy[index] = json.employee
setEmployees(employeesCopy)
setFirstName('')
setLastName('')
setUpdate(false)
setEmployeeId(null)
} catch (err) {
console.log(err)
}
}
const submitForm = async (event) => {
event.preventDefault()
if(update){
updateEmployee()
}
}
const deleteEmployee = async (id) => {
try {
await fetch(`/api/employees/${id}`, {method: 'DELETE'})
setEmployees(employees.filter(employee => employee.id !== id))
} catch (error) {
}
}
const setEmployeeToUpdate = (id) => {
const employee = employees.find(emp => emp.id === id)
if(!employee) return
setUpdate(true)
setEmployeeId(employee.id)
setFirstName(employee.firstName)
setLastName(employee.lastName)
}
return (
<div>
<table>
<tbody>
<tr>
<td>
<button onClick={() => expandAllEmployees()}>{expand ? 'COLLAPSE ALL' : 'EXPAND ALL'}
</button>
</td>
</tr>
{employees.filter(item => item).map(({id, avatar, firstName, lastName, email, phone, bio, address}) => {
return(
<tr key={id}>
<td><img src={avatar} alt="avatar" style={{height: '60px', width:'100px'}}/></td>
<td>{firstName}</td>
<td>{lastName}</td>
{expand === true ? (
<table>
<thead>
<tr>
<td>{email}</td>
<td>{phone}</td>
<td>{address.streetAddress}</td>
<td>{address.city}</td>
<td>{address.state}</td>
<td>{address.zipCode}</td>
<td>{bio}</td>
</tr>
</thead>
</table>
) : (
<th></th>
)}
<td>
<button onClick={() => setEmployeeToUpdate(id)}>UPDATE</button>
<button onClick={() => deleteEmployee(id)}>DELETE</button>
<button onClick={() => expandSingleEmployee(email, phone, address, bio)}>{expandSingle ? 'EXPAND' : 'COLLAPSE'}</button>
</td>
</tr>
)
})}
</tbody>
</table>
<form onSubmit={submitForm}>
<div>
<div>
<input type="text" value={firstName} onChange={e => setFirstName(e.target.value)}/>
</div>
<div>
<input type="text" value={lastName} onChange={e => setLastName(e.target.value)}/>
</div>
<div>
<button type='submit'>{update ? 'Update' : 'Create'}</button>
</div>
</div>
</form>
</div>
)
}
server.js 文件
import { createServer, Model } from "miragejs";
import faker from "faker";
import avatar from "./avatar.png";
export function makeServer({ environment = "test" } = {}) {
let server = createServer({
environment,
models: {
employee: Model,
},
seeds(server) {
for (let i = 0; i < 10; i++) {
server.create("employee", {
id: faker.datatype.uuid(),
firstName: faker.name.firstName(),
lastName: faker.name.lastName(),
email: faker.internet.email(),
phone: faker.phone.phoneNumber(),
bio: faker.lorem.paragraph(),
avatar: avatar,
address: {
streetAddress: `${faker.address.streetAddress()} ${faker.address.streetName()}`,
city: faker.address.city(),
state: faker.address.stateAbbr(),
zipCode: faker.address.zipCode(),
},
});
}
},
routes() {
this.namespace = "api";
this.get(
"/employees",
(schema) => {
return schema.employees.all();
},
{ timing: 1000 }
);
this.patch(
"/employees/:id",
(schema, request) => {
const attrs = JSON.parse(request.requestBody);
const employee = schema.employees.find(request.params.id);
return employee.update(attrs);
},
{ timing: 300 }
);
this.delete(
"/employees/:id",
(schema, request) => {
const employee = schema.employees.find(request.params.id);
employee.destroy();
return new Response();
},
{ timing: 300 }
);
},
});
return server;
}