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How to develop a simple online ticket booking system using MySQL and Java

WBOYOriginal: 2023-09-20 14:18:311260browse

How to use MySQL and Java to develop a simple online ticket booking system

Overview:
With the popularity and development of the Internet, the ticket booking system has become an aviation An essential tool for various activities such as , railways, movies, concerts, etc. This article will introduce how to use MySQL and Java to develop a simple online ticket booking system to help beginners understand and master this development method.

System requirements:

Users can select the event they want to book tickets through the system and select seats.
The system needs to record the user's personal information and order information.
The system needs to update the optional status of seats in real time.
The order payment process needs to be integrated into the system.
Database design:
First, we need to create a database and design a table structure to store user information, order information and seat information. The following is an example of a simplified database table structure:

User table: used to store users' personal information.

User_id (primary key)
Name
Email
Password

Order table: used to store users order information.

Order_id (primary key)
User_id (foreign key)
Activity_id (foreign key)
Seat_id (foreign key)
Status (order status)

Activity table: used to store activity information that can be booked.

Activity_id (primary key)
Activity_name
Start_time
End_time

Seat table: used to store seats information.

Seat_id (primary key)
Activity_id (foreign key)
Seat_number
Status (seat status)

Java back-end development:
Next, we need to write the back-end code in Java to interact with the front-end page and operate the database. Here are some key backend code examples:

2.1 User login and registration

// 用户登录
public User login(String email, String password) {
    // TODO: 根据email和password查询数据库获得用户对象
}

// 用户注册
public void register(User user) {
    // TODO: 将用户对象插入到数据库中
}

2.2 Event information retrieval and seat selection

// 获取可订票的活动列表
public List<Activity> getActivityList() {
    // TODO: 查询数据库获取活动列表
}

// 获取座位状态
public Seat getSeatStatus(int seatId) {
    // TODO: 根据座位id查询数据库获取座位对象
}

// 更新座位状态
public void updateSeatStatus(Seat seat) {
    // TODO: 更新座位状态到数据库中
}

// 创建订单
public void createOrder(Order order) {
    // TODO: 将订单对象插入到数据库中
}

2.3 Order payment

// 获取订单信息
public Order getOrder(int orderId) {
    // TODO: 根据订单id查询数据库获取订单对象
}

// 更新订单状态
public void updateOrderStatus(Order order) {
    // TODO: 更新订单状态到数据库中
}

// 完成支付
public void completePayment(Order order) {
    // TODO: 实现订单支付逻辑
}

Front-end development:
In front-end development, we can use HTML, CSS and JavaScript to create the user interface and interact with the back-end through JavaScript. The following is a simple front-end page example:

<!DOCTYPE html>
<html>
<head>
  <title>在线订票系统</title>
  <script src="jquery.min.js"></script>
  <script>
    // 获取活动列表
    $.get("getActivityList", function(data) {
      var activityList = JSON.parse(data);
      // TODO: 根据活动列表创建页面元素
    });

    // 选择座位
    function selectSeat(seatId) {
      // TODO: 根据选择的座位更新页面显示和发送请求到后端
    }

    // 创建订单
    function createOrder(userId, activityId, seatId) {
      // TODO: 根据用户选择的座位创建订单并发送请求到后端
    }
  </script>
</head>
<body>
  <h1>在线订票系统</h1>
  <div id="activity-list">
    <!-- 活动列表将在此处动态生成 -->
  </div>
  <div id="seat-list">
    <!-- 座位列表将在此处动态生成 -->
  </div>
  <button onclick="createOrder(userId, activityId, seatId)">确认预订</button>
</body>
</html>

Summary:
By using a combination of MySQL and Java to develop a simple online ticket booking system, we can better understand and master the system. Design and development process. This article provides database design, Java back-end and front-end code examples, hoping to provide some help to beginners when developing similar systems. Of course, this is just a simplified example, and more functions and security need to be considered in actual development.

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