c++ replace鍑芥暟鍜宻td::string鍏崇郴
扬州沐宇科技
2024-06-25 16:18:33
c++
鍦–++涓紝std::string绫绘彁渚涗簡replace鍑芥暟鐢ㄤ簬鏇挎崲瀛楃涓蹭腑鐨勫瓙涓层€傝鍑芥暟鐨勫師鍨嬩负锛?/p>
std::string& replace(size_t pos, size_t count, const std::string& str);
杩欎釜鍑芥暟鐢ㄤ簬灏嗕粠浣嶇疆pos寮€濮嬬殑count涓瓧绗︽浛鎹负瀛楃涓?code>str銆?code>replace鍑芥暟浼氳繑鍥炰竴涓紩鐢紝鎸囧悜琚慨鏀瑰悗鐨?code>std::string瀵硅薄銆?/p>
渚嬪锛屽亣璁炬湁涓€涓瓧绗︿覆str涓?quot;Hello, world!鈥滐紝鎴戜滑鎯宠灏嗗叾涓殑"world"鏇挎崲涓?quot;everyone鈥濓紝鍙互杩欐牱浣跨敤replace鍑芥暟锛?/p>
std::string str = "Hello, world!";
str.replace(7, 5, "everyone");
鏈€缁?code>str鐨勫€煎皢鍙樹负"Hello, everyone!"銆傚洜姝わ紝replace鍑芥暟鏄?code>std::string绫讳腑鐢ㄤ簬鏇挎崲瀛楃涓插瓙涓茬殑鍏抽敭鍑芥暟涔嬩竴銆?/p>
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