c++文件的读取

// ConsoleApplication6.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include<fstream>#include<iostream>using namespace std;int main(){ifstream in;in.open("as.txt");if (!in){cerr << "打开文件失败" << endl;return 0;}char x;while (in >> x){cout << x;}cout << endl;in.close();return 0;}