#include<iostream>
#include<sstream>using namespace std;int main(){ string a; cout<<"请输入字符串:"; cin>>a; const string& b=a; cout<<"字符串的长度为:"<<b.length(); cout<<endl; return 1;}本文共 246 字,大约阅读时间需要 1 分钟。
#include<iostream>
#include<sstream>using namespace std;int main(){ string a; cout<<"请输入字符串:"; cin>>a; const string& b=a; cout<<"字符串的长度为:"<<b.length(); cout<<endl; return 1;}转载于:https://www.cnblogs.com/herizai/archive/2013/05/13/3075583.html