每一行存储为vector对象的一个元素

[c++]代码库

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

int fileToVector(string fileName, vector<string>& svec)
{
	ifstream infile(fileName.c_str());
	if (!infile)
		return 1;
	string s;
	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;
}
int main()
{
	vector<string> svec;
	string fileName,s;
	cout<<"Enter fileName:"<<endl;
	cin>>fileName;
	switch(fileToVector(fileName,svec))
	{
	    case 1:
			cout<<"error: can not open file:" <<fileName<<endl;
			return -1;
		case 2:
			cout<<"error:system failure"<<endl;
			return -1;
		case 3:
			cout<<"error:read failure" <<endl;
			return -1;
		default:
			break;
	}
	cout<<"Vector"<<endl;
	for (vector<string>::iterator iter = svec.begin(); iter != svec.end(); ++iter)
		cout<<*iter<<endl;
	return 0;
}