图书馆数据库java

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DatabaseConnector {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/library";
        String user = "root";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            System.out.println("Connected to the database!");
        } catch (SQLException e) {
            System.out.println("Failed to connect to the database: " + e.getMessage());
        }
    }
}

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class BookSearch {
    public static void main(String[] args) {
        String searchTitle = "Java Programming";
        String url = "jdbc:mysql://localhost:3306/library";
        String user = "root";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            String sql = "SELECT * FROM books WHERE title LIKE ?";
            try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
                pstmt.setString(1, "%" + searchTitle + "%");
                try (ResultSet rs = pstmt.executeQuery()) {
                    while (rs.next()) {
                        System.out.println("Book ID: " + rs.getInt("id"));
                        System.out.println("Title: " + rs.getString("title"));
                    }
                }
            }
        } catch (SQLException e) {
            System.out.println("Database error: " + e.getMessage());
        }
    }
}