#pragma once
#include <string>
#include <iostream>
#include <cctype>
using namespace std;
void getstring()
{
string result_str,userInput_str;
bool hasPunct=false;
cout<<"请输入字符传:"<<endl;
cin>>userInput_str;
for(string::size_type i=0;i<userInput_str.size();i++)
{
char check=userInput_str[i];
if (ispunct(check))
{
hasPunct=true;
}
else
{
result_str += check;
}
}
if (hasPunct)
{
cout<<"去标点后的字符串:"<<result_str<<endl;
}else
{
cout<<"输入有误,输入必须包含标点!"<<endl;
}
}
int main()
{
while(true)
{
cout << endl << "1) 输出去标点后的字符串" << endl;
cout << "2) 退出" << endl << endl;
cout << "请选择 [1], [2] : ";
string userInput;
getline(cin,userInput);
if(userInput.size() == 0) continue;
const char ch = userInput[0];
if(ch == '2') break;
else if(ch =='1') getstring();
else cout << endl << "Input error. Enter 1, 2 and [Enter]."<< endl;
}
return 0;
}