Question

您好，所以我对c ++还是很陌生，并尝试制作一个简单的程序，该程序通过构造函数接收一些变量，然后通过一些函数来更改这些值。但是我越来越...

[User]：User（std :: string，std :: string，std :: string，std :: string，std :: string）的[错误]原型与类'User'中的任何内容都不匹配。

main.cpp

#include <iostream>
#include "User.h"
using namespace std;
int main() {

// Simulates a current existing user
User u1("PizzaLover", "ilovepizza", "pizzaLover@gmail.com", "Tony", "Stark");

// Allows user to change their current username
u1.changeUsername();

// Allows user to change their current password
u1.changePassword();

// Allows user to change their current name
u1.changeName();

// Allows user to view their general account details
u1.printUserDetails();

return 0;

}

User.h

#ifndef USER_H
#define USER_H
#include <string>
class User {

private:
    std::string username;
    std::string password;
    std::string email;
    std::string firstName;
    std::string lastName;

public:
    User(string cUsername, string cPassword, string cEmail, string cFirstName, string cLastName);
    void printUserDetails(); // this allows the user to view their account details
    void changeUsername(); // this allows the user to change their username
    void changePassword(); // this allows the user to change their password
    void changeEmail(); // this allows the user to change their email
    void changeName(); // this allows the user to change their name
    };

User.cpp

#include <iostream>
#include <stdlib.h>
#include <string>
#include "User.h"
using namespace std;
User::User(string cUsername, string cPassword, string cEmail, string cFirstName, string cLastName) {

username = cUsername;
password = cPassword;
email = cEmail;
firstName = cFirstName;
lastName = cLastName;   
}

cout << endl;
cout << "- - - - - - - - - - - - -" << endl;
cout << "Username:\t" << username << endl;
cout << "Password:\t" << password << endl;
cout << "Email:\t" << email << endl;
cout << "Name:\t" << firstName << " " << lastName << endl; 
cout << "- - - - - - - - - - - - -" << endl;
}

void User::changeUsername() {

string newUserName;

cout << endl;
cout << "Your current username is: " << username << endl;
cout << "Please input your new desired username: ";
cin >> newUserName;

if(username != newUserName) {

    username = newUserName;
    cout << "Your username has been successfully changed." << endl;
    cout << "Your new username is now: " << username << endl;
}

else {
    cout << "Your name is already set to that, next time try a new name." << 
endl;
}
}

Answer 1

更改：

User(string cUsername, string cPassword, string cEmail, string cFirstName, string cLastName);

User::User(string cUsername, string cPassword, string cEmail, string cFirstName, string cLastName) {

username = cUsername;
password = cPassword;
email = cEmail;
firstName = cFirstName;
lastName = cLastName;   
}

收件人：

User(std::string cUsername, std::string cPassword, std::string cEmail, std::string cFirstName, std::string cLastName);

User::User(std::string cUsername, std::string cPassword, std::string cEmail, std::string cFirstName, std::string cLastName) {
   username  = cUsername;
   password  = cPassword;
   email     = cEmail;
   firstName = cFirstName;
   lastName  = cLastName;   
}

构造函数的原型在类中不匹配

1 个答案: