c++ 读取txt文件保存到vect

​​代码和数据在这里​​

#include <iostream>  

#include <vector>
#include <fstream>
#include <string>


using namespace std;



string labels_txt_file = "../weights/classification_classes_ILSVRC2012.txt";
vector<string> readClassNames();


// 读取txt文件
//std::vector<String> readClassNames()
std::vector<string> readClassNames()
{
  std::vector<string> classNames;

  std::ifstream fp(labels_txt_file);
  if (!fp.is_open())
  {
    printf("could not open file...\n");
    exit(-1);
  }
  std::string name;
  while (!fp.eof())
  {
    std::getline(fp, name);
    if (name.length())
      classNames.push_back(name);
  }
  fp.close();
  return classNames;
}



int main()         // 返回值为整型带参的main函数. 函数体内使用或不使用argc和argv都可
{



  vector<string> labels = readClassNames();

  
  for (int i = 0; i < labels.size(); i++)
  {
    cout << "labels["<<i <<"]"<< labels[i] << endl;
  }


  //system("pause");
  return 0;
}