门面模式应用示例，实现一个转账系统。用delphi语言实现。-The facade the mode application example, to achieve a transfer system. With delphi language.

加油站付款系统，用来自动计算不同品种的油所需要的费用。用的是Delphi语言编写。-Gas station payment system is used to automatically calculate the cost of different varieties of oil. Use is Delphi language.