Windows平台提供的加载library的API（LoadLibarary, LoadLibraryEx）只能加载文件系统中的Library. 没有体哦那个从内存中加载Dll的功能。但是，有些情况下又需要这样的功能。譬如，你不想在发布包中包含很多文件，又或者你想给那些逆向工作者一些苦头吃。这时一个常见的做法是先把dll文件写到一个临时文件中，然后从临时文件中导入它。当程序终止时把临时文件删除。-The Windows platform load library the API (LoadLibarary, LoadLibraryEx) of the file system can only load Library. No body function of the DLL that is loaded from memory. However, in some cases, require such a feature. For example, you do not want included in the release package file, or if you want to reverse workers sacked for eating. At this time, a common practice is to first dll files from the temporary file into a temporary file, and then import it. Delete the temporary files when the program terminates.