std::cout输出

std::cout输出十进制，十六进制，八进制和起始地址的方法

	int i = 100;
	std::cout <<"十六进制" << std::hex << i << std::endl;
	std::cout << "八进制" << std::oct << i << std::endl;
	std::cout << "十进制" << std::dec << i << std::endl;
	std::cout << "字符串起始地址值： " << static_cast< void *>(&i) << std::endl;