jdbc和mysql分页查询

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

public class PaginationExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";
        int pageSize = 10; // 每页显示的记录数
        int pageNumber = 2; // 当前页码

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

            ResultSet rs = pstmt.executeQuery();
            while (rs.next()) {
                // 处理结果集
                System.out.println(rs.getInt("id") + ": " + rs.getString("name"));
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}