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的DLL方法如下:調用與Python的DLL來獲取返回參數
void _stdcall PostAndRecvEx(IN char* Post, OUT char* Recv)
parameters :
Post :input
Recv :output
Return value: None
我寫在Python下面的代碼:
-*- coding:utf-8 -*-
import ctypes,time
lib = ctypes.cdll.LoadLibrary('API.dll')
keyinfo = '''
<?xml version="1.0" encoding="UTF-8"?>
<business id="20002" comment="settings">
<body yylxdm="1">
<keypwd>88888888</keypwd>
</body>
</business>
'''
in_keyinfo = ctypes.c_char_p()
in_keyinfo.value = keyinfo
out = ctypes.create_string_buffer('\000'*32*128)
lib.PostAndRecvEx(in_keyinfo,out)
print out.value
但我得到了以下錯誤:
Traceback (most recent call last):
File "re.py", line 15, in <module>
lib.PostAndRecvEx(in_keyinfo,out)
ValueError: Procedure called with not enough arguments (8 bytes missing) or wrong calling convention
我該如何解決這個問題?
其實這個參數設置成功了,但是設置結果不能獲得 –