// tushuguanlCpp : Defines the entry point for the console application
#include /using namespace std;const int BMAX=50;/图书数据库类class bdatabase{public:book btarray[BMAX];int top;publicbdatabase(){book b;top=-1;fstream file("bookx”,ios: in) ;/打开文件while ( 1 ){file read((char *)&b,sizeo)(b;if (
file) break;top++;btarray top] = b;}file
close;/关闭文件}〜bdatabaseX/析构函数, 将 btarray ]写到 book
txt文件中{fstream filebook
txt” :ioou);for (int i=0i