-1
因此,基本上所有这个程序所做的是将数据读入到student_type的结构数组中,并且所有print_students函数都会输出我获得的数据主要是正确的输出,但是我也得到了随机的巨大数字。文件数据包含以下内容信息和我的代码是如何修复我的输出?如何修复输出?
Smith
John
123456
3.4
J
1750.4
302
Fairmont St NW
Washington
DC
20059
Smitty
Frank
78910
2.7
F
1940.7
302
Sixth St SW
Washington
DC
20059
#include <iostream>
#include <string>
#include <fstream>
using namespace std;
struct Address_type
{
int street_no;
string street_name;
string city;
string state;
int zip;
};
struct student_type
{
string lname;
string fname;
int ID;
float GPA;
char classification;
float account_balance;
Address_type student_address;
};
void print_students(student_type[]); // prototypein
int main()
{
ifstream myfile;
student_type students[5];
myfile.open("infile.txt");
string name1, name2, name3;
for (int i = 0; i < 2; i++) {
myfile >> students[i].lname;
myfile >> students[i].fname;
myfile >> students[i].ID;
myfile >> students[i].GPA;
myfile >> students[i].classification;
myfile >> students[i].account_balance;
myfile >> students[i].student_address.street_no;
myfile >> name1 >> name2 >> name3;
students[i].student_address.street_name = name1 + " " + name2 + " " + name3;
myfile >> students[i].student_address.city;
myfile >> students[i].student_address.state;
myfile >> students[i].student_address.zip;
print_students(students);
}
myfile.close();
}
void print_students(student_type students[])
{
for (int i = 0; i < 2; i++) {
cout << students[i].lname << endl;;
cout<< students[i].fname<<endl;
cout<< students[i].ID<<endl;
cout<< students[i].GPA<<endl;
cout<< students[i].classification<<endl;
cout<< students[i].account_balance<<endl;
cout<< students[i].student_address.street_no<<endl;
cout<<students[i].student_address.street_name<<endl;
cout << students[i].student_address.city << endl;
cout << students[i].student_address.state << endl;
cout << students[i].student_address.zip << endl;
}
}
“随机大数”通常表示“未初始化数据”,通常表示“在使用它们之前正确初始化您的值”。 – tadman