js登入注册

<form id="loginForm">
  <input type="text" id="username" placeholder="Username" required>
  <input type="password" id="password" placeholder="Password" required>
  <button type="submit">Login</button>
</form>

<form id="registerForm">
  <input type="text" id="newUsername" placeholder="New Username" required>
  <input type="password" id="newPassword" placeholder="New Password" required>
  <button type="submit">Register</button>
</form>

document.getElementById('loginForm').addEventListener('submit', function(event) {
  event.preventDefault();
  const username = document.getElementById('username').value;
  const password = document.getElementById('password').value;
  // 这里应该有与服务器通信的代码
  console.log(`Logging in with username: ${username} and password: ${password}`);
});

document.getElementById('registerForm').addEventListener('submit', function(event) {
  event.preventDefault();
  const newUsername = document.getElementById('newUsername').value;
  const newPassword = document.getElementById('newPassword').value;
  // 这里应该有与服务器通信的代码
  console.log(`Registering new user with username: ${newUsername} and password: ${newPassword}`);
});

const bcrypt = require('bcrypt');

// 注册时加密密码
const saltRounds = 10;
const myPlaintextPassword = 's0/\/\P4$$w0rD';

bcrypt.hash(myPlaintextPassword, saltRounds, function(err, hash) {
  // 存储 hash 到数据库
});

// 登录时验证密码
const hashedPasswordFromDB = '...'; // 从数据库获取的哈希密码
bcrypt.compare(myPlaintextPassword, hashedPasswordFromDB, function(err, result) {
  if (result) {
    console.log('Password matches!');
  } else {
    console.log('Password does not match!');
  }
});