C++ 读取文本文件

read_line_from_file.cpp

#include <fstream>
#include <iostream>
#include <string>

int main()
{
	std::string s;
	int count = 0;
	std::ifstream in("ConsoleApplication2.cpp");
	if (in.is_open()) {
		while (!in.eof()) {
			std::getline(in,s);
			std::cout << s << std::endl;
			if (s.length() != 0) {
				count++;
			}
		}
		std::cout << "The count of non-blank line is: " << count << std::endl;
	}
    return 0;
}