JDBC代碼

import java.sql.*;

public class JDBC {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        //加載驅動
        Class.forName("com.mysql.jdbc.Driver");
        //建立連接
        Connection connection = DriverManager.getConnection
                ("jdbc:mysql://localhost:3306/chatroom?user=root&password=root");
        //準備命令
        Statement statement = connection.createStatement();
        //執行SQL
        String sql = "insert into user (userName ,passward,brief) value ('xi','123456fgh','美')";
        //ResultSet resultSet= statement.executeQuery(sql);
        int row = statement.executeUpdate(sql);
        System.out.println(row);
        statement.close();
        connection.close();
    }
}