string的用法

• string的用法

  1. string s(int n,'*')可以控制重复字符形成一个string
  2. string s.size()返回string长度

• 例 输入名字裱框

  #include <iostream>#include <string>using namespace std;int main() {cout << "Please enter your name:";string name;cin >> name;const string greeting = "Hello " + name + "!";const string space(greeting.size(), ' ');const string fill(greeting.size()+2, '*');cout << fill << endl;cout << '*' << space << '*' << endl;cout << '*' << greeting << '*' << endl;cout << '*' << space << '*' << endl;cout << fill << endl;system("pause");return 0;}