通过文件名逐个逐个读取文件

[c++]代码库

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
using namespace std;

int fileToVector(string fileName)
{
	ifstream infile(fileName.c_str());
	if (!infile)
		return 1;
	string s;
	vector<string> svec;
	while (getline(infile,s))//infile>>s  前者是输出一行一行的文本，用这个只是输出一个一个的单词
		svec.push_back(s);
	infile.close();
	infile.clear();
	if (infile.eof())
		return 4;
	if (infile.bad())
		return 2;
	if (infile.fail())
		return 3;
	for (vector<string>::iterator it = svec.begin(); it != svec.end(); ++it)
		cout<<*it<<endl;
}
int main()
{
	vector<string> files;
	string fileName;
	cout<<"Enter fileName:(Ctrl+Z to end)"<<endl;
	while (cin>>fileName)
		files.push_back(fileName);
	
	vector<string>::iterator iter = files.begin();
	while (iter != files.end())
	{
		switch(fileToVector(*iter))
		{
		case 1:
			cout<<"error: can not open file:" <<*iter<<endl;
			break;
		case 2:
			cout<<"error:system failure"<<endl;
			break;
		case 3:
			cout<<"error:read failure" <<endl;
			break;
		default:
			break;
		}
		++iter;
	}
	return 0;
}