ADD file via upload

daoru.cpp

@@ -0,0 +1,20 @@
+#include<iostream>
+#include<fstream>
+#include"library.h"
+#include"book.h"
+using std::cout;
+using std::cin;
+using std::endl;
+
+Book booklist[50];
+int num{};
+void wxy::daoru()
+{
+	std::ifstream ifile("booklist.txt");
+	ifile >> num;
+	for (int i {}; i < num; i++)
+	{
+		ifile >> booklist[i].Name >> booklist[i].Auther >> booklist[i].amount;
+	}
+	ifile.close();
+}