完善系统功能

tushu.txt

@@ -0,0 +1,24 @@
+void foundBook(Book* book1)
+{
+	Book* book = book1;
+	printf("输入要查找的书的id:");
+	int id;
+	scanf("%d", &id);
+	getchar();
+	while (book != NULL)
+	{
+		if (id == book->iNum)
+		{
+			printf("该书的信息如下:\n");
+			printf("%d\t%s\t%s\t%s\t%d\n", book->iNum, book->acName, book->acAuthor, book->acPress, book->iAmount);
+			printf("按任意键返回\n");
+			getchar();
+			return;
+		}
+		book = book->next;
+	}
+	printf("没有找到该书!\n");
+	printf("按任意键返回\n");
+	getchar();
+	return;
+}