C++ .ignore 给出错误 "This declaration has no storage class or type specifier"

Question

我试图编写一个代码来从txt文件中读取文件(尚未完成)。但代码在 .ignore 函数中显示错误。错误:此声明没有存储类或类型说明符有人可以帮助我这里出了什么问题吗？以下是我的代码。

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

//ifstream inFile;
//ofstream outfile;

//inFile.open("\.\Assignment01", ios::in);
//inFile.ignore(500, '\n');
ifstream input_file;
ifstream input_file("Course_of_sales.txt");
input_file.ignore(500, '\n');
ofstream output_file("output.txt");

string Record;

string day, month, year, hr, mins, secs, PM_AM, condetion;
double price , value;
int volume;

while (getline(inFile, record, ',')){
    day = record.substr(0,2);
    month = record.substr(3,2);
    year = record.substr(6,4);
}

Answer 1

需要将代码放入函数中。感谢尼尔。