ctypes 官方文档:[Python 3.5]:ctypes-
Python的外部函数库。
创建了一个虚拟 .dll 来模仿您的行为。
dll.c :
#include <stdio.h>#include <Windows.h>__declspec(dllexport) BOOL InitNetwork(char LocalIP[], char ServerIP[], int LocalDeviceID) { printf("From C:ntLocalIP: [%s]ntServerIP: [%s]ntLocalDeviceID: %dn", LocalIP, ServerIP, LocalDeviceID); return TRUE;}
检查[SO]:如何编译用C编写的64位dll?(@CristiFati的答案)以获取有关如何构建它的详细信息(采取了完全相同的步骤,在这种情况下,命令是:)
cl /nologo /LD /DWIN64/DWIN32 /Tp dll.c /link /OUT:NetServerInterface.dll。
(主要)问题在于,在 Python3中 ,
char*不再映射到 string ,而是映射到 bytes 对象。
pre.py :
import sysimport ctypesfrom ctypes import wintypesFILE_NAME = "NetServerInterface.dll"FUNC_NAME = "?InitNetwork@@YAHQEAD0H@Z" # Name different than yours: if func was declared as `extern "C"`, the "normal" name would be requireddef main(): net_server_interface_dll = ctypes.CDLL(FILE_NAME) init_network = getattr(net_server_interface_dll, FUNC_NAME) init_network.argtypes = [ctypes.c_char_p, ctypes.c_char_p, ctypes.c_int] init_network.restype = wintypes.BOOL init_network(b"192.168.1.103", b"192.168.1.103", 1111)if __name__ == "__main__": print("Python {:s} on {:s}n".format(sys.version, sys.platform)) main()
输出 :
(py35x64_test)e:WorkDevStackOverflowq050325050>”e:WorkDevVEnvspy35x64_testscriptspython.exe”
pre.py
Python 3.5.4 (v3.5.4:3f56838, Aug 8 2017, 02:17:05) [MSC v.1900 64 bit
(AMD64)] on win32From C: LocalIP: [192.168.1.103] ServerIP: [192.168.1.103] LocalDeviceID: 1111
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