利用Node.js实现在线预约功能的Web项目

CREATE TABLE Appointments (
  ID INT NOT NULL AUTO_INCREMENT,
  CustomerName VARCHAR(50),
  CustomerEmail VARCHAR(50),
  ServiceType VARCHAR(50),
  AppointmentDate DATE,
  AppointmentTime TIME,
  Status ENUM('Pending', 'Accepted', 'Rejected'),
  PRIMARY KEY (ID)
);

npm install express ejs nodemailer mysql body-parser express-session --save

const express = require('express');
const ejs = require('ejs');
const nodemailer = require('nodemailer');
const mysql = require('mysql');
const bodyParser = require('body-parser');
const session = require('express-session');

const app = express();

app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
app.use(bodyParser.urlencoded({extended: true}));
app.use(session({
  secret: 'mysecretkey',
  resave: true,
  saveUninitialized: true
}));

const pool = mysql.createPool({
  host: 'localhost',
  user: 'root',
  password: 'password',
  database: 'appointments'
});

app.get('/', (req, res) => {
  res.render('index');
});

app.post('/appointment', (req, res) => {
  const {customerName, customerEmail, serviceType, appointmentDate, appointmentTime} = req.body;

  pool.query('INSERT INTO Appointments SET ?', {
    CustomerName: customerName,
    CustomerEmail: customerEmail,
    ServiceType: serviceType,
    AppointmentDate: appointmentDate,
    AppointmentTime: appointmentTime,
    Status: 'Pending'
  }, (error, results) => {
    if (error) {
      throw error;
    } else {
      const transporter = nodemailer.createTransport({
        service: 'gmail',
        auth: {
          user: 'youremail@gmail.com',
          pass: 'yourpassword'
        }
      });
      
      const mailOptions = {
        from: 'youremail@gmail.com',
        to: customerEmail,
        subject: 'Your Appointment Request',
        text: `Dear ${customerName}, 

Thank you for requesting an appointment with our company. We have received your request and will get back to you as soon as possible. 

Best regards, 
The Company`
      };
      
      transporter.sendMail(mailOptions, (error, info) => {
        if (error) {
          throw error;
        } else {
          console.log(`Email sent: ${info.response}`);
        }
      });
      
      res.render('confirmation', {
        customerName,
        customerEmail,
        serviceType,
        appointmentDate,
        appointmentTime
      });
    }
  });
});

app.listen(3000, () => {
  console.log('Server started on port 3000');
});

node app.js