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[英]React Native Firebase Firestore data not fetching properly
[英]Fetching Firebase Data Into A Datatable In React
我正在嘗試從 firebase 獲取數據到我的反應頁面,它正在工作,但我希望數據在一個表中,我嘗試過但沒有成功。
我已經到了可以顯示表格的地步,但我無法將數據放在表格中,名稱在名稱下,email 在 email 下,消息在消息下。 謝謝
這是我的代碼:
import React from 'react'
import { bd, auth } from '../firebase'
import "../reserve.css"
import 'bootstrap/dist/css/bootstrap.min.css';
class Pro extends React.Component {
state = {
contacts: null
}
componentDidMount(){
bd.collection('contacts')
.get()
.then( snapshot => {
const contacts = []
snapshot.forEach( doc => {
const data = doc.data()
contacts.push(data)
})
this.setState({ contacts: contacts })
console.log(snapshot)
})
.catch ( error => console.log(error))
}
render(){
return (
<div className="ProClass">
<table>
<tr>
<td>email</td>
<td>name</td>
<td>message</td>
</tr>
<h1>Réservations:</h1>
{
this.state.contacts &&
this.state.contacts.map( contact => {
return(
<div className="ProClassReservations">
<tr>
<tr>{contact.email}</tr>
<tr>{contact.message}</tr>
<tr>{contact.name}</tr>
</tr>
</div>
)
})
}</table>
</div>
)
}
}
export default Pro
只需將數據周圍的tr
更改為td
,如下所示:
import React from "react";
import { bd, auth } from "../firebase";
import "../reserve.css";
import "bootstrap/dist/css/bootstrap.min.css";
class Pro extends React.Component {
state = {
contacts: null,
};
componentDidMount() {
bd.collection("contacts")
.get()
.then((snapshot) => {
const contacts = [];
snapshot.forEach((doc) => {
const data = doc.data();
contacts.push(data);
});
this.setState({ contacts: contacts });
console.log(snapshot);
})
.catch((error) => console.log(error));
}
render() {
return (
<div className="ProClass">
<table>
<tr>
<td>email</td>
<td>name</td>
<td>message</td>
</tr>
<h1>Réservations:</h1>
{this.state.contacts &&
this.state.contacts.map((contact) => {
return (
<div className="ProClassReservations">
<tr>
<td>{contact.email}</td>
<td>{contact.message}</td>
<td>{contact.name}</td>
</tr>
</div>
);
})}
</table>
</div>
);
}
}
export default Pro;
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