安卓连接mysql数据库的文件

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 DB_URL = "jdbc:mysql://localhost:3306/mydatabase";
    private static final String DB_USER = "username";
    private static final String DB_PASSWORD = "password";

    public void connectAndQueryData() {
        try {
            // 加载MySQL驱动
            Class.forName("com.mysql.jdbc.Driver");

            // 建立数据库连接
            Connection connection = DriverManager.getConnection(DB_URL, DB_USER, DB_PASSWORD);

            // 创建用于执行SQL语句的Statement对象
            Statement statement = connection.createStatement();

            // 执行SQL查询
            String query = "SELECT * FROM mytable";
            ResultSet resultSet = statement.executeQuery(query);

            // 处理查询结果
            while (resultSet.next()) {
                // 从结果集中获取数据
                int id = resultSet.getInt("id");
                String name = resultSet.getString("name");
                // 处理数据...
            }

            // 关闭连接
            resultSet.close();
            statement.close();
            connection.close();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

dependencies {
    implementation 'mysql:mysql-connector-java:8.0.27'
}