关于字符串：在C ++中使用getline忽略空格

Ignore Spaces Using getline in C++

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嘿，我正在尝试编写一个程序，该程序将接受人们的新任务，将其添加到堆栈中，能够显示该任务，能够将该堆栈保存到文本文件中，然后读取该文本文件。当我尝试接受用户的输入时，问题就来了，每当您输入一个带有空格的字符串时，用于选择操作方式的菜单就会循环播放。我需要一种解决此问题的方法。任何帮助将不胜感激。

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// basic file io operations
#include <iostream>
#include <fstream>
#include <stack>
#include <string>
using namespace std;

int main () {
//Declare the stack
stack<string> list;

//Begin the loop for the menu
string inputLine;
cout <<"Welcome to the to-do list!" << endl;

//Trying to read the file
ifstream myfile ("to-do.txt");
if(myfile.is_open()){

//read every line of the to-do list and add it to the stack
while(myfile.good()){
getline(myfile,inputLine);
list.push(inputLine);
}
myfile.close();
cout <<"File read successfully!" << endl;
} else {
cout <<"There was no file to load... creating a blank stack." << endl;
}

int option;

//while we dont want to quit
while(true){
//display the options for the program
cout << endl <<"What would you like to do?" << endl;
cout <<"1. View the current tasks on the stack." << endl;
cout <<"2. Remove the top task in the stack." << endl;
cout <<"3. Add a new task to the stack." << endl;
cout <<"4. Save the current task to a file." << endl;
cout <<"5. Exit." << endl << endl;

//get the input from the user
cin >> option;

//use the option to do the necessary task
if(option < 6 && option > 0){
if(option == 1){
//create a buffer list to display all
stack<string> buff = list;
cout << endl;
//print out the stack
while(!buff.empty()){
cout << buff.top() << endl;
buff.pop();
}
}else if (option == 2){
list.pop();
}else if (option == 3){
//make a string to hold the input
string task;
cout << endl <<"Enter the task that you would like to add:" << endl;
getline(cin, task); // THIS IS WHERE THE ISSUE COMES IN
cin.ignore();

//add the string
list.push(task);
cout << endl;
}else if (option == 4){
//write the stack to the file
stack<string> buff = list;
ofstream myfile ("to-do.txt");
if (myfile.is_open()){
while(!buff.empty()){
myfile << buff.top();
buff.pop();
if(!buff.empty()){
myfile << endl;
}
}
}
myfile.close();
}else{
cout <<"Thank you! And Goodbye!" << endl;
break;
}
} else {
cout <<"Enter a proper number!" << endl;
}
}
}