目录什么是接口接口的定义与作用接口的声明和实现接口的声明接口的实现接口类型断言空接口接口实际用途通过接口实现面向对象多态特性通过接口实现一个简单的 IoC （Inversion of Control）什么是接口
First let me thank you all for your help. What I need is a function that takes in a EPOCH time stamp, like 1452.235687 and converts it to a readable timestamp like \'01-01-1970 00:00:00\'. More spec开
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