Delphi如何优化二级缓存呢，请参阅这个比较早的一个源码，不知道现在还能用不，或许里面的某些代码对学习Delphi系统编程有所帮助，分享给Delphi爱好者。 -How Delphi secondary cache to optimize it, please refer to the earlier one source, do not know can not use, maybe some code inside the system to learn Delphi programm