【发布时间】：2021-09-23 08:49:25
【问题描述】：
//set up register function
// Initialize Firebase
firebase.initializeApp(firebaseConfig);
// Initialize variables
const auth = firebase.auth()
const database = firebase.database()
// Set up our register function
function register () {
// Get all our input fields
email = document.getElementById('email').value
password = document.getElementById('password').value
full_name = document.getElementById('full_name').value
favourite_song = document.getElementById('favourite_song').value
milk_before_cereal = document.getElementById('milk_before_cereal').value
// Validate input fields
if (validate_email(email) == false || validate_password(password) == false) {
alert('Email or Password is Outta Line!!')
return
// Don't continue running the code
}
if (validate_field(full_name) == false || validate_field(favourite_song) == false || validate_field(milk_before_cereal) == false) {
alert('One or More Extra Fields is Outta Line!!')
return
}
// Move on with Auth
auth.createUserWithEmailAndPassword(email, password)
.then(function() {
// Declare user variable
var user = auth.currentUser
// Add this user to Firebase Database
var database_ref = database.ref()
// Create User data
var user_data = {
email : email,
full_name : full_name,
last_login : Date.now()
}
// Push to Firebase Database
database_ref.child('users/' + user.uid).set(user_data)
// DOne
alert('User Created!!')
})
.catch(function(error) {
// Firebase will use this to alert of its errors
var error_code = error.code
var error_message = error.message
alert(error_message)
})
}
// Set up our login function
function login () {
// Get all our input fields
email = document.getElementById('email').value
password = document.getElementById('password').value
// Validate input fields
if (validate_email(email) == false || validate_password(password) == false) {
alert('Email or Password is Outta Line!!')
return
// Don't continue running the code
}
auth.signInWithEmailAndPassword(email, password)
.then(function() {
// Declare user variable
var user = auth.currentUser
// Add this user to Firebase Database
var database_ref = database.ref()
// Create User data
var user_data = {
last_login : Date.now()
}
// Push to Firebase Database
database_ref.child('users/' + user.uid).update(user_data)
// DOne
alert('User Logged In!!')
})
.catch(function(error) {
// Firebase will use this to alert of its errors
var error_code = error.code
var error_message = error.message
alert(error_message)
})
}
// Validate Functions
function validate_email(email) {
expression = /^[^@]+@\w+(\.\w+)+\w$/
if (expression.test(email) == true) {
// Email is good
return true
} else {
// Email is not good
return false
}
}
function validate_password(password) {
// Firebase only accepts lengths greater than 6
if (password < 6) {
return false
} else {
return true
}
}
function validate_field(field) {
if (field == null) {
return false
}
if (field.length <= 0) {
return false
} else {
return true
}
}
这是我的 HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-F3w7mX95PdgyTmZZMECAngseQB83DfGTowi0iMjiWaeVhAn4FJkqJByhZMI3AhiU" crossorigin="anonymous">
<link rel="stylesheet" href="css/sign.css"
<title>Log in</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<div class="container-fluid">
<a class="navbar-brand" href="/">Homepage</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav">
<a class="nav-link active" aria-current="page" href="/">Home</a>
<a class="nav-link" href="/login">Login</a>
<a class="nav-link" href="/aboutus">About us</a>
<a class="nav-link disabled">Disabled</a>
</div>
</div>
</div>
</nav>
<div>Sussy baka
<h1>Welcome</h1>
<form action="/register">
<label>Email</label>
<input type="text" id="email">
<label>Password</label>
<input type="password" id="password">
<div>
<button onclick="Login()">Login</button>
<button onclick="Register()">Register</button>
</form>
</div>
</body>
<script src="https://www.gstatic.com/firebasejs/9.0.2/firebase-app.js"></script>
<!-- TODO: Add SDKs for Firebase products that you want to use
https://firebase.google.com/docs/web/setup#available-libraries -->
<script src="https://www.gstatic.com/firebasejs/8.6.8/firebase-auth.js"></script>
<script src="https://www.gstatic.com/firebasejs/8.6.8/firebase-database.js"></script>
<script src="js/index.js"></script>
</html>
在 vs 代码中没有显示错误，甚至在开发控制台中也没有显示错误。 FIrebase 也没有显示任何错误。所以我不明白问题是什么......这是我第一次在我的学校项目中使用js，所以我并不特别关注js。过去几周我一直在尝试解决此问题，但仍未解决...
【问题讨论】：
标签： javascript html firebase-authentication