java 分页

import java.sql.*;

public class PaginationExample {
    public static void main(String[] args) {
        int pageNumber = 1; // 当前页码
        int pageSize = 10; // 每页大小
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            int offset = (pageNumber - 1) * pageSize;
            String sql = "SELECT * FROM mytable LIMIT ? OFFSET ?";
            PreparedStatement pstmt = conn.prepareStatement(sql);
            pstmt.setInt(1, pageSize);
            pstmt.setInt(2, offset);

            ResultSet rs = pstmt.executeQuery();
            while (rs.next()) {
                // 处理每行数据
                System.out.println(rs.getString("columnName"));
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}