对C++ string append方法的常用用法详解

//======================================== #include<iostream> using namespace std; //======================================== int main() {  string str1="I like C++";  string str2=",I like the world.";  string str3="Hello";  string str4("Hi");  //====================================  str1.append(str2);  str3.append(str2, 11, 7);  str4.append(5, '.');  //====================================  cout<<str1<<endl;  cout<<str3<<endl;  cout<<str4<<endl;  system("pause");  return 0;  } //========================================

I like C++,I like the world.Hello World.Hi.....