我在几个不同的论坛上尝试过,似乎无法得到直接的答案,如何让这个函数返回结构?如果我尝试“返回 newStudent;”我收到错误“不存在从 StudentType 到 StudentType 的合适的用户定义转换”。
// Input function
studentType newStudent()
{
struct studentType
{
string studentID;
string firstName;
string lastName;
string subjectName;
string courseGrade;
int arrayMarks[4];
double avgMarks;
} newStudent;
cout << "\nPlease enter student information:\n";
cout << "\nFirst Name: ";
cin >> newStudent.firstName;
cout << "\nLast Name: ";
cin >> newStudent.lastName;
cout << "\nStudent ID: ";
cin >> newStudent.studentID;
cout << "\nSubject Name: ";
cin >> newStudent.subjectName;
for (int i = 0; i < NO_OF_TEST; i++)
{ cout << "\nTest " << i+1 << " mark: ";
cin >> newStudent.arrayMarks[i];
}
newStudent.avgMarks = calculate_avg(newStudent.arrayMarks,NO_OF_TEST );
newStudent.courseGrade = calculate_grade (newStudent.avgMarks);
}
这是您的代码的编辑版本,它基于ISO C++与 G++ 配合得很好:
#include <string.h>
#include <iostream>
using namespace std;
#define NO_OF_TEST 1
struct studentType {
string studentID;
string firstName;
string lastName;
string subjectName;
string courseGrade;
int arrayMarks[4];
double avgMarks;
};
studentType input() {
studentType newStudent;
cout << "\nPlease enter student information:\n";
cout << "\nFirst Name: ";
cin >> newStudent.firstName;
cout << "\nLast Name: ";
cin >> newStudent.lastName;
cout << "\nStudent ID: ";
cin >> newStudent.studentID;
cout << "\nSubject Name: ";
cin >> newStudent.subjectName;
for (int i = 0; i < NO_OF_TEST; i++) {
cout << "\nTest " << i+1 << " mark: ";
cin >> newStudent.arrayMarks[i];
}
return newStudent;
}
int main() {
studentType s;
s = input();
cout <<"\n========"<< endl << "Collected the details of "
<< s.firstName << endl;
return 0;
}
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