int i = 1;
int转化为CString cstr;str.Format("%d",i);
int转化为string str;
int转化为float f;f = atof((char*)(LPCTSTR)cstr);
int转化为char c;
int转化为char* ch;
int转化为byte by;BYTE by[4]; memcpy( by, &i, 4 );