java安卓mysql登录

// 检查数据库连接配置
String url = "jdbc:mysql://your_server_address:3306/your_database_name";
String user = "your_username";
String password = "your_password";

try (Connection conn = DriverManager.getConnection(url, user, password)) {
    // 连接成功
} catch (SQLException e) {
    e.printStackTrace();
}

String query = "SELECT * FROM users WHERE username = ? AND password = ?";
try (PreparedStatement pstmt = conn.prepareStatement(query)) {
    pstmt.setString(1, username);
    pstmt.setString(2, password);
    ResultSet rs = pstmt.executeQuery();
    // 处理结果集
} catch (SQLException e) {
    e.printStackTrace();
}

try (Connection conn = DriverManager.getConnection(url, user, password)) {
    // 使用连接进行操作
} catch (SQLException e) {
    e.printStackTrace();
} // 连接会在此处自动关闭