说明：  no intro
(Lua is an extension of programming language, it is designed to support the process of general-purpose programming, and have the relevant data description facilities. Lua can also object-oriented programming, functional programming, data-driven programming to provide good support. It could serve as a strong, light-weight scripting language for the use of any necessary procedures. Using Lua with a clean C library written in the form. (The so-called Clean C, refers to ANSI C and C++ CPC)