bank.java

来自「用java编写的c/s结构的网络社区」· Java 代码 · 共 21 行

package server;
import javax.swing.JOptionPane;

public class bank
{
	float delete(member strMeg,float sum)
	{
		if((strMeg.getBalance()-sum)<0)
		{
			JOptionPane.showMessageDialog(null,"账户余额不足","警告",JOptionPane.WARNING_MESSAGE);
			return -1;
		}
		else
			return (strMeg.getBalance()-sum);
		
	}
	float insert(member strMeg,float sum)
	{
		return strMeg.Balance+sum;
	}
}