# C++ 程序：復制字符串 > 原文： [https://www.programiz.com/cpp-programming/examples/string-copy](https://www.programiz.com/cpp-programming/examples/string-copy) #### 在此示例中，您將學習如何復制字符串（字符串對象和 C 風格的字符串）。 要理解此示例，您應該了解以下 [C++ 編程](/cpp-programming "C++ tutorial")主題： * [C++ 數組](/cpp-programming/arrays) * [C++ 字符串](/cpp-programming/strings) * * * 您可以簡單地使用`=`賦值運算符在 C++ 中復制字符串對象。 * * * ## 示例 1：復制字符串對象 ```cpp #include <iostream> using namespace std; int main() { string s1, s2; cout << "Enter string s1: "; getline (cin, s1); s2 = s1; cout << "s1 = "<< s1 << endl; cout << "s2 = "<< s2; return 0; } ``` **輸出** ```cpp Enter string s1: C++ Strings s1 = C++ Strings s2 = C++ Strings ``` 要在 C++ 中復制 C 字符串，請使用`strcpy()`函數。 * * * ## 示例 1：復制 C 字符串 ```cpp #include <iostream> #include <cstring> using namespace std; int main() { char s1[100], s2[100]; cout << "Enter string s1: "; cin.getline(s1, 100); strcpy(s2, s1); cout << "s1 = "<< s1 << endl; cout << "s2 = "<< s2; return 0; } ``` **輸出** ```cpp Enter string s1: C-Strings s1 = C-Strings s2 = C-Strings ```