C++判断是否中文字符

bool isChines(const std::string &inStr)
{
 unsigned char *str = (unsigned char *)inStr.c_str();
 size_t length = inStr.length();

 for (size_t i=0; i< length; ++i)
 {
  if (str[i] > 160)
  {
   return true;
  }
 }

 return false;
}