模擬登錄源代碼

# include # include # include//輸入/輸出文件流類usingnamespacestdconstit maxr = 100；//最多讀者Constantinmaxb = 100；//最多的書Constantinmaxbor = 5；//每個讀者最多可以借五本書//reader class描述讀者的信息。//刪除標記1:已刪除0: intno未刪除；//閱讀器編號charname[10]；//讀者姓名intborbook[Maxbor]；//借書public:reader(){ } char * getname(){ return name；}//Get name int gettag(){ return tag；}//Get刪除標記int getno(){ return no；}//獲取閱讀器編號voidsetname(charna[])//設置名稱{strcpy(name，na)；} void elbook(){ tag = 1；}//設置刪除標誌1:已刪除0:voida reader(INTN，CHAR * NA)未刪除//添加閱讀器{ tag = 0；no = n；strcpy(姓名，不適用)；for(inti = 0；我& gt選擇；switch(choice){ case ' 1 ':cout & gt；readeridcout & gtrnameaddreader(readerid，rname)；打破；案例“2”:cout & gt；readeridr = query(readerid)；if(r = = NULL){ cout & gt；rnamer-& gt；set name(rname)；打破；案例“3”:cout & gt；readeridr = query(readerid)；if(r = = NULL){ coutdelbook()；打破；案例“4”:cout & gt；readeridr = query(readerid)；if(r = = NULL){ cout disp()；打破；案例“5”:disp()；打破；案例“6”:clear()；打破；默認值:cout & gt選擇；switch(choice){ case ' 1 ':cout & gt；bookidcout & gtbnameaddbook(bookid，bname)；打破；案例“2”:cout & gt；bookidb =查詢(bookid)；if(b = = NULL){ cout & gt；bnameb-& gt；set name(bname)；打破；案例“3”:cout & gt；bookidb =查詢(bookid)；if(b = = NULL){ coutdelbook()；打破；案例“4”:cout & gt；bookidb =查詢(bookid)；if(b = = NULL){ cout disp()；打破；案例“5”:disp()；打破；案例“6”:clear()；打破；默認值:cout & gt選擇；switch(choice){ case ' 1 ':cout & gt；readeridcout & gtbookidr = readerdb . query(readerid)；//Find if(null = = r)by number { couttborrowbook()= = 0){ couttborrowbook(b-> getno())；打破；案例“2”:cout & gt；readeridcout & gtbookidr = readerdb . query(readerid)；if(r = = NULL){ coutretbook()；r-& gt；retbook(b-& gt；getno())；打破；案例“3”:bookdb . book data()；打破；事例“4”:readerdb . reader data()；打破；默認值:cout & lt& lt"輸入錯誤，請重新輸入:"；}}}