windows中文操作系统下,vs的c++项目默认编码是gb2312
python默认是utf-8编码
最好在c++程序顶上加:
#pragma execution_character_set("gb2312")
c++中的字符串一定就是gbk编码
传入python前要做编码转换
准备一个gbk转utf8的函数,如下(网上的):
string gbktoutf8(const char* src_str) { int len = multibytetowidechar(cp_acp, 0, src_str, -1, null, 0); wchar_t* wstr = new wchar_t[len + 1]; memset(wstr, 0, len + 1); multibytetowidechar(cp_acp, 0, src_str, -1, wstr, len); len = widechartomultibyte(cp_utf8, 0, wstr, -1, null, 0, null, null); char* str = new char[len + 1]; memset(str, 0, len + 1); widechartomultibyte(cp_utf8, 0, wstr, -1, str, len, null, null); string strtemp = str; if (wstr) delete[] wstr; if (str) delete[] str; return strtemp; }
示例性代码:
#pragma execution_character_set("gb2312") #include <stdlib.h> #include <windows.h> #include <iostream> #include <python.h> #include <string> #include <atlstr.h> using namespace system; using namespace system::runtime::interopservices; using namespace system::collections::generic; using namespace system::diagnostics; using namespace system::threading; using namespace std; int main() { const char* name = "东方红1号"; py_initialize();//初始化python pyrun_simplestring("import sys"); pyrun_simplestring("sys.path.append('./')"); pyobject* pmodule = pyimport_importmodule("hello"); pyobject* pfunc1 = pyobject_getattrstring(pmodule, "sayhello"); pyobject* pargs = pytuple_new(1); pyobject* pv1 = py_buildvalue("s", gbktoutf8(name).c_str()); pytuple_setitem(pargs, 0, pv1); pyobject* result = pyobject_callobject(pfunc1, pargs); py_finalize(); return 0;
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