技术问答c++涓璷stream鎬庝箞浣跨敤 - 扬州沐宇科技

鍦–++涓紝ostream鏄竴涓緭鍑烘祦绫伙紝鐢ㄤ簬杈撳嚭鏁版嵁鍒拌緭鍑鸿澶囷紙濡傛帶鍒跺彴銆佹枃浠剁瓑锛夈€傝浣跨敤ostream锛岄渶瑕佸寘鍚ご鏂囦欢<iostream>銆?/p>

涓嬮潰鏄竴浜涗娇鐢?code>ostream鐨勭ず渚嬶細

浣跨敤std::cout杈撳嚭鍒版帶鍒跺彴锛?/li>

#include <iostream>
int main() {
std::cout << "Hello, World!";
return 0;
}

浣跨敤std::ofstream杈撳嚭鍒版枃浠讹細

#include <iostream>
#include <fstream>
int main() {
std::ofstream file("output.txt");
if (file.is_open()) {
file << "Hello, World!";
file.close();
}
return 0;
}

浣跨敤std::ostringstream灏嗘暟鎹浆鎹负瀛楃涓诧細

#include <iostream>
#include <sstream>
int main() {
std::ostringstream oss;
int num = 10;
oss << "The number is: " << num;
std::string result = oss.str();
std::cout << result;
return 0;
}

杩欎簺绀轰緥灞曠ず浜?code>ostream鐨勪笉鍚岀敤娉曪紝鍙互鏍规嵁闇€瑕侀€夋嫨閫傚悎鐨勬柟娉曡繘琛岃緭鍑恒€?/p>