restaurantdb.java

来自「用java编写的c/s结构的网络社区」· Java 代码 · 共 32 行

package client;

import java.sql.*;
public class Restaurantdb extends database
{

	Restaurantdb(String strDBName, String id, String pw) {
		super(strDBName, id, pw);
	}
	void QueryData(String table)
	{
		String strQuery="select * from "+table;
		try {
			rs=sql.executeQuery(strQuery);
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
	boolean next() throws SQLException
	{
		return rs.next();
	}
	String getString(String columnName) throws SQLException
	{
		return rs.getString(columnName);
	}
	float getFloat(String columnName) throws SQLException
	{
		return rs.getFloat(columnName);
	}
	
}