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基于mvc的校園圖書管理系統(tǒng)設(shè)計與開發(fā)—系統(tǒng)管理與圖書借還管理模塊—大學(xué)學(xué)位論文范文模板參考資料-資料下載頁

2024-12-07 09:51本頁面

【導(dǎo)讀】息管理系統(tǒng)的開發(fā)應(yīng)用大大提高了我們的工作效率。圖書查詢可根據(jù)圖書的條形碼、書名、作者、出版社等不同信息進行查詢。查詢子模塊可對圖書當(dāng)前狀態(tài)和讀者當(dāng)前的借閱情況進行查詢。塊實現(xiàn)系統(tǒng)的圖書借閱和歸還功能。本系統(tǒng)后端的數(shù)據(jù)庫是MicrosoftSQLServer,通過JDBC驅(qū)動和數(shù)據(jù)。庫進行無縫連接,該數(shù)據(jù)庫具有較高的完整性,一致性和安全性。

  

【正文】 uest, HttpServletResponse response){ (bookBorrowSort, ()); return (bookBorrowSort); } /*********************圖書借閱查詢 ***********************/ private ActionForward borrowQuery(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){ String str=null; String flag[]=(flag); if (flag!=null){ String aa = flag[0]; if (a.equals(aa)) { if ((f) != null) { str = (f) + like 39。% + (key) + %39。; } } if (b.equals(aa)) { String sdate = (sdate); String edate = (edate); if (sdate != null amp。amp。 edate != null) { str = borrowTime between 39。 + sdate + 39。 and 39。 + edate + 39。; } (日期 + str); 25 } //同時選擇日期和條件進行查詢 if ( == 2) { if ((f) != null) { str = (f) + like 39。% + (key) + %39。; } (日期和條件 ); String sdate = (sdate); String edate = (edate); String str1 = null; if (sdate != null amp。amp。 edate != null) { str1 = borrowTime between 39。 + sdate + 39。 and 39。 + edate + 39。; } str = str + and borr. + str1; (條件和日期: + str); } } (borrowQuery, (str)); (條件查詢圖書借閱信息時的 str:+str); return (borrowQuery); } /*********************到期提醒 ***********************/ private ActionForward bremind(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){ (Bremind, ()); return (Bremind); } /*********************圖書借閱 ***********************/ private ActionForward bookborrow(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){ //查詢讀者信息 //ReaderForm readerForm=(ReaderForm)form; //此處一定不能使用該語句 26 進行轉(zhuǎn)換 ((barcode)); ReaderForm reader = (ReaderForm) (readerForm); (readerinfo, reader); //查詢讀者的借閱信息 (borrowinfo,((barcode))); //完成借閱 String f = (f); String key = (inputkey); if (key != null amp。amp。 !()) { String operator = (operator); BookForm bookForm=(f, key); if (bookForm!=null){ int ret = (reader, (f, key), operator); if (ret == 1) { (bar, (barcode)); return (bookborrowok); } else { (error, 添加借閱信息失敗 !); return (error); } }else{ (error, 沒有該圖書 !); return (error); } } return (bookborrow); } /*********************圖書繼借 ***********************/ private ActionForward bookrenew(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){ //查詢讀者信息 27 ((barcode)); ReaderForm reader = (ReaderForm) (readerForm); (readerinfo, reader); //查詢讀者的借閱信息 (borrowinfo,((barcode))); if((id)!=null){ int id = ((id)); if (id 0) { //執(zhí)行繼借操作 int ret = (id); if (ret == 0) { (error, 圖書繼借失敗 !); return (error); } else { (bar, (barcode)); return (bookrenewok); } } } return (bookrenew); } /*********************圖書歸還 ***********************/ private ActionForward bookback(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){ //查詢讀者信息 ((barcode)); ReaderForm reader = (ReaderForm) (readerForm); (readerinfo, reader); //查詢讀者的借閱信息 (borrowinfo,((barcode))); if((id)!=null){ int id = ((id)); String operator=(operator); if (id 0) { //執(zhí)行歸還操作 int ret = (id, operator); if (ret == 0) { 28 (error, 圖書歸還失敗 !); return (error); } else { (bar, (barcode)); return (bookbackok); } } } return (bookback); } }
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