A detailed explanation of common usage of C++ string append method
- 2020-06-07 04:51:39
- OfStack
C++ string append() add text
Common ways to add text using append() :
Add another complete string directly:
Such as str1. append (str2);
Add one substring of another string:
Such as str1. append (str2, 11, 7);
Add a few of the same characters:
Such as str1. append (5, '. ');
Note that the number comes before the character. The code above means adding five "." after str1.
//========================================
#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;
}
//========================================
The operation result is
I like C++,I like the world.
Hello World.
Hi.....