-1
因此,基本上所有這個程序所做的是將數據讀入到student_type的結構數組中,並且所有print_students函數都會輸出我獲得的數據主要是正確的輸出,但是我也得到了隨機的巨大數字。文件數據包含以下內容信息和我的代碼是如何修復我的輸出?如何修復輸出?
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;
}
}
「隨機大數」通常表示「未初始化數據」,通常表示「在使用它們之前正確初始化您的值」。 – tadman