android 连接mysql

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

public class MySQLConnector {
    private static final String URL = "jdbc:mysql://your_server_ip:3306/your_database";
    private static final String USER = "your_username";
    private static final String PASSWORD = "your_password";

    public static void main(String[] args) {
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;

        try {
            // 加载JDBC驱动
            Class.forName("com.mysql.cj.jdbc.Driver");
            // 建立连接
            conn = DriverManager.getConnection(URL, USER, PASSWORD);
            // 创建Statement对象
            stmt = conn.createStatement();
            // 执行查询
            rs = stmt.executeQuery("SELECT * FROM your_table");
            // 处理结果集
            while (rs.next()) {
                System.out.println(rs.getString("your_column"));
            }
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        } finally {
            // 关闭资源
            try {
                if (rs != null) rs.close();
                if (stmt != null) stmt.close();
                if (conn != null) conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}