#include <fstream>

void test01()
{
	ofstream ofs;
	ofs.open("test.txt", ios::out);

	ofs << "姓名：張三" << endl;
	ofs << "性別：男" << endl;
	ofs << "年齡：18" << endl;

	ofs.close();
}

int main() {

	test01();

	system("pause");

	return 0;
}

#include <fstream>
#include <string>
void test01()
{
	ifstream ifs;
	ifs.open("test.txt", ios::in);

	if (!ifs.is_open())
	{
		cout << "文件打開失敗" << endl;
		return;
	}

	//第一種方式
	//char buf[1024] = { 0 };
	//while (ifs >> buf)
	//{
	//	cout << buf << endl;
	//}

	//第二種
	//char buf[1024] = { 0 };
	//while (ifs.getline(buf,sizeof(buf)))
	//{
	//	cout << buf << endl;
	//}

	//第三種
	//string buf;
	//while (getline(ifs, buf))
	//{
	//	cout << buf << endl;
	//}

	char c;
	while ((c = ifs.get()) != EOF)
	{
		cout << c;
	}

	ifs.close();


}

int main() {

	test01();

	system("pause");

	return 0;
}

#include <fstream>
#include <string>

class Person
{
public:
	char m_Name[64];
	int m_Age;
};

//二進制文件  寫文件
void test01()
{
	//1、包含頭文件

	//2、創(chuàng)建輸出流對象
	ofstream ofs("person.txt", ios::out | ios::binary);
	
	//3、打開文件
	//ofs.open("person.txt", ios::out | ios::binary);

	Person p = {"張三"  , 18};

	//4、寫文件
	ofs.write((const char *)&p, sizeof(p));

	//5、關閉文件
	ofs.close();
}

int main() {

	test01();

	system("pause");

	return 0;
}

#include <fstream>
#include <string>

class Person
{
public:
	char m_Name[64];
	int m_Age;
};

void test01()
{
	ifstream ifs("person.txt", ios::in | ios::binary);
	if (!ifs.is_open())
	{
		cout << "文件打開失敗" << endl;
	}

	Person p;
	ifs.read((char *)&p, sizeof(p));

	cout << "姓名： " << p.m_Name << " 年齡： " << p.m_Age << endl;
}

int main() {

	test01();

	system("pause");

	return 0;
}