unity/C#
public class CalAngle : MonoBehaviour
{
[DllImport("EllipseDetectTest1")]
public static extern int GetStr(ref byte str);
// Use this for initialization
void Start()
{
int aa = CircleDetec(ref s[0]);
string strGet = System.Text.Encoding.Default.GetString(s, 0, s.Length); //将字节数组转换为字符串
Console.WriteLine(strGet);
Debug.Log(strGet); //打印接收到的字符串
}
}C++
extern "C" int EXPORT_API GetStr(char* str)
{
string send = "12356";
char attr[1024];
memset(attr, 0, sizeof(attr));
strcpy_s(attr, send.c_str());
//memcpy(attr, s, sizeof(s));
memcpy(str, attr, sizeof(attr));
return 0;
}
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