Java實(shí)驗(yàn)報(bào)告存儲(chǔ)圖書信息

成績(jī)遼寧工程技術(shù)大學(xué)上機(jī)實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)名稱項(xiàng)目實(shí)戰(zhàn)——存儲(chǔ)圖書信息院系軟件學(xué)院專業(yè)軟件工程班級(jí)姓名1120980318日期2012-5-5實(shí)驗(yàn)?zāi)康膶W(xué)習(xí)使用JDBC,Servlet和JSP開發(fā)存儲(chǔ)圖書信息程序。實(shí)驗(yàn)準(zhǔn)備掌握了實(shí)驗(yàn)的核心思想。加深對(duì)代碼的了解和熟悉，充分了解對(duì)MyEclipse6.0的一些操作。實(shí)驗(yàn)進(jìn)度本次共有1個(gè)練習(xí)，完成1個(gè)。實(shí)驗(yàn)總結(jié)日1數(shù)據(jù)庫的截圖：2目錄的結(jié)構(gòu)：3運(yùn)行截圖：4網(wǎng)頁運(yùn)行結(jié)果：網(wǎng)頁運(yùn)行過程中出現(xiàn)錯(cuò)誤（沒運(yùn)行出來--）代碼復(fù)制：工具類“DBCon”代碼：packagecom.book;importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.SQLException;publicclassDBCon{ publicstaticConnectiongetConnection(){ Stringurl="jdbc:microsoft:sqlserver://localhost:1433;databaseName=book_shop"; Stringuser="sa"; Stringpsw="sa"; Connectionconn=null; try{ Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver"); }catch(ClassNotFoundExceptione){ e.printStackTrace(); } try{conn=DriverManager.getConnection(url,user,psw); conn.setAutoCommit(false); returnconn; }catch(SQLExceptione){ e.printStackTrace(); }returnnull;}實(shí)體類“Book”代碼：publicclassBook{ privateLongid; privateStringname; privatedoubleprice; privateStringauthor; privateStringbookConcern; privateintcounts; publicBook(){} publicLonggetId(){ returnid; } publicvoidsetId(Longid){ this.id=id;}DAO類的代碼：packagecom.book;importjava.sql.Connection;importjava.sql.PreparedStatement;importjava.sql.ResultSet;importjava.util.List;publicclassBookDao{ privateConnectionconn; publicListfindAllBooks(){ conn=DBCon.getConnection(); StringlistSQL="select*frombooks"; Listlist=newArrayList(); try{ PreparedStatementpsmt=conn.prepareStatement(listSQL); ResultSetrs=psmt.executeQuery(); while(rs.next()){ BookBeanbook=newBookBean(); book.setId(rs.getLong(1)); book.setName(rs.getString(2)); book.setPrice(rs.getDouble(3)); book.setAuthor(rs.getString(4)); book.setBookConcern(rs.getString(5)); book.setCounts(rs.getInt(6)); list.add(book); } mit(); returnlist; }catch(SQLExceptione){ e.printStackTrace(); } finally{ if(conn!=null){ try{ conn.close(); }catch(SQLExceptione){ e.printStackTrace(); } }returnlist; } publicbooleansaveUser(BookBeanbook)throwsException{ conn=DBCon.getConnection(); StringlistSQL="insertintobooksvalues(?,?,?,?,?)"; try{ PreparedStatementpsmt=conn.prepareStatement(listSQL); psmt.setString(1,book.getName()); psmt.setDouble(2,book.getPrice()); psmt.setString(3,book.getAuthor()); psmt.setString(4,book.getBookConcern()); psmt.setInt(5,book.getCounts()); psmt.executeUpdate(); mit();returntrue; }catch(SQLExceptione){conn.rollback(); e.printStackTrace(); }finally{conn.close(); }returnfalse;}控制類“BookController”代碼packagecom.book;importjava.io.IOException;importjava.util.List;mportjavax.servlet.RequestDispatcher;importjavax.servlet.ServletException;importjavax.servlet.http.HttpServlet;importjavax.servlet.http.HttpServletRequest;importjavax.servlet.http.HttpServletResponse;HttpServletResponseresponse) throwsServletException,IOException{ doPost(request,response); }publicvoiddoPost(HttpServletRequestrequest,HttpServletResponseresponse) throwsServletException,IOException{ intarg=Integer.parseInt(request.getParameter("arg")); switch(arg){ case1: this.findAllBooks(request,response); break; case2: this.saveBooks(request,response); break; } }publicvoidfindAllBooks(HttpServletRequestrequest, HttpServletResponseresponse)throwsServletException,IOException{ BookDaobookDao=newBookDao(); Listlist=bookDao.findAllBooks(); request.setAttribute("booklist",list); RequestDispatcherrdt=request .getRequestDispatcher("showAllBooks.jsp"); rdt.forward(request,response); }Stringname=newString(request.getParameter("name").getBytes( "ISO-8859-1"),"GBK"); doubleprice=Double.parseDouble(request.getParameter("price")); Stringauthor=newString(request.getParameter("author") Integer.parseInt(request.getParameter("counts"));BookBeanbook=newBookBean(); book.setName(name); book.setPrice(price); book.setAuthor(author); book.setBookConcern(bookConcern); book.setCounts(counts); BookDaobookDao=newBookDao();try{ bookDao.saveUser(book); }catch(Exceptione){ e.printStackTrace(); this.findAllBooks(request,response);}頁面的實(shí)現(xiàn)：<%@pagelanguage="java"import="java.util.*"pageEncoding="GBK"%><html><head><title>圖書信息</title></head><body><formaction="book?arg=2"method="post"><table><tr><td><em>     圖書名稱：</em></td><td><inputtype="text"name="name"size="25"></td></tr><tr><td><em>  bsp;   圖書價(jià)格：</em></td><td><inputtype="text"name="price"size="25"></td></tr><tr><td><em>      圖書作者：</em></td><td><inputtype="text"name="author"size="25"></td></tr><tr><td><em>      出版社：</em></td><td><inputtype="text"name="bookConcern"size="25"></td></tr><tr><td><em>     存放數(shù)量：</em></td><td><inputtype="text"name="counts"size="25"></td></tr