getline在交换机中不起作用，cin不能正确获取数据吗？有人可以帮忙吗？

cin

getline

#include <iostream>
#include <string>
#include <fstream>

using namespace std;

void proinfo();

int main()
{
    //Sytem Information
    system(\"TITLE This is a Beta of My Product Information Template Version 0.0.2\");

    //I\'m using this as a welcome screen to inform users of new improvements on patches and other pertinent information to the users
    cout << \"Welcome To My Product Information Template Maker!!! \\n It Is Still In Development\" << endl;
    cout << \"\\n\\nworking features are:\" << endl << \"\\t-None\\n\" << endl;
    system(\"PAUSE\");
    system(\"CLS\");
    proinfo();
}

void proinfo()
{
    //Declare Variables here
    int loop(1), protype;
    char make[256], model[256], year[256];
    string getinput;

    while(loop==1)
    {
        //This is the first menu the user sees where they have to choose what type 
        //of products users will be adding
        system(\"CLS\");
        cout << \"Welcome to My Product Information Template Version 0.0.0\" << endl;

        cout << \"Please select the number of the product\" << endl;
        cout << \"type you will be ading!\\n\" << endl;

        cout << \"1.Fe - Fe2 Moldings\" << endl;
        cout << \"2.CF - CF2 Moldings\" << endl;

        cout << \"What would you like to do? \";

        cin >> protype;

        if(protype==1)
        {
            //FE - FE2 Molding
            system(\"cls\");

            cout << \"You have selected\" << endl;
            cout << \"Fe - Fe2 Moldings\\n\" << endl;

            cout << \"Please Enter the Make of the molding\" << endl;
            cin >> make;

            cout << \"Please Enter the Model of the molding\" << endl;
            cin >> model;

            cout << \"Please Enter the Years this molding fits\" << endl;
            cin >> year;

            cout << \"You have just created a template for a(n)\" << year << \" \" << make << \" \" << model << endl;
            cout << \"Check My Documents For a file called Fe-Fe2template.txt\" << endl;

            //Asks to quit or restart
            cout << \"Would you like to make another tempalte?\" << endl;

            cin >> getinput;

            if(getinput==\"yes\")
            {
                cout << \"Great, Lets keep working!\" << endl;
                //End of If statement
            }

            system(\"PAUSE\");
        }

        if(protype==2)  
        {
            //CF - CF2 Molding
            system(\"cls\");

            //Asks to quit or restart
            cout << \"Would you like to make another tempalte?\" << endl;

            cin >> getinput;

            if(getinput==\"yes\")
            {
                cout << \"Great, Lets keep working!\" << endl;
                //End of If statement                   
            }

            system(\"PAUSE\");

            //End of Protype Switch Statement               
        }

        //End of while loop              
    }
    //End of Proinfo()    
}