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book_modify.jsp
资源名称：bookshop.zip　[点击查看]
上传用户：sxlinghang
上传日期：2022-07-20
资源大小：1405k
文件大小：5k
源码类别：

数据库编程

开发平台：

Java

book_modify.jsp：源码内容
  2. <%@ page session="true" %>
  3. <%
  4. if (session.getAttribute("admin")==null || session.getAttribute("admin")==""){
  5. // response.sendRedirect("error.htm");
  6. } %>
  7. <%@ page import="bookshop.book.*" %>
  9. <jsp:useBean id="classlist" scope="page" class="bookshop.run.op_bookclass" />
  10. <jsp:useBean id="book" scope="page" class="bookshop.run.op_book" />
  11. <%
  12. String mesg = "";
  13. String submit = request.getParameter("Submit");
  14. int Id =0;
  15. if (submit!=null && !submit.equals("")){
  16. if(book.getRequest(request)){
  17. if(book.update()){
  18. mesg = "图书资料修改成功！";
  19. } else {
  20. mesg = "数据库操作失败";
  21. }
  22. }else {
  23. mesg = "对不起，你提交的参数有错误";
  24. }
  25. }
  26. if (request.getParameter("id")==null || request.getParameter("id").equals("")) {
  27. mesg = "你要修改的数据参数错误！";
  28. } else {
  29. try {
  30. Id = Integer.parseInt(request.getParameter("id"));
  31. if (!book.getOnebook(Id)){
  32. mesg = "你要修改的数据不存在";
  33. }
  34. } catch (Exception e){
  35. mesg = "你要修改的数据参数错误！";
  36. }
  37. }
  38. %>
  39. <script language="javascript">
  40.   function checkform() {
  41. if (document.form1.id.value=="") {
  42. alert("你要修改的数据不存在！");
  43. return false;
  44. }
  45. if (document.form1.bookname.value=="") {
  46. document.form1.bookname.focus();
  47. alert("图书名为空!");
  48. return false;
  49. }
  50. if (document.form1.author.value=="") {
  51. alert("作者名为空!");
  52. document.form1.author.focus();
  53. return false;
  54. }
  56. return true;
  58.   }
  59. </script>
  60. <%@include file="/bookshop/inc/adm_head.inc"%>
  61. <tr>
  62.  <td align="center" width="77%"> 
  63.         <p><br>
  64.           <font size="3"><b>修改图书资料</b></font></p>
  65.   <% if(!mesg.equals("")){
  66. out.println(mesg);
  67.   } else {
  68. book modibook = (book) book.getBooklist().elementAt(0);   
  69. %>
  70.         <form name="form1" method="post" action="book_modify.jsp">
  71.           <table width="90%" border="0" cellspacing="1" cellpadding="1">
  72.             <tr> 
  73.               <td align="right" width="35%">图书名称：</td>
  74.               <td width="65%"> 
  75.                 <input type="text" name="bookname" maxlength="40" size="30" value="<%= modibook.getBookName() %>">
  76.               </td>
  77.             </tr>
  78.             <tr> 
  79.               <td align="right" width="35%">作者：</td>
  80.               <td width="65%"> 
  81.                 <input type="text" name="author" maxlength="25" size="20" value="<%= modibook.getAuthor() %>">
  82.               </td>
  83.             </tr>
  84.             <tr> 
  85.               <td align="right" width="35%">出版社：</td>
  86.               <td width="65%"> 
  87.                 <input type="text" name="publish" size="40" maxlength="150" value="<%= modibook.getPublish() %>">
  88.               </td>
  89.             </tr>
  90.             <tr> 
  91.               <td align="right" width="35%">所属类别：</td>
  92.               <td width="65%"> 
  93.                 <select name="bookclass">
  94. <% if (classlist.seachBookClass()){
  95. for (int i=0;i<classlist.getClasslist().size();i++){
  96. bookclass bc = (bookclass) classlist.getClasslist().elementAt(i); %>
  97.       <option value="<%= bc.getId()%>" <% if (bc.getId() == modibook.getBookClass()) out.print("selected");%>><%= bc.getClassName() %></option>
  98. <% }
  99. }%>
  101.                 </select>
  102.               </td>
  103.             </tr>
  104.             <tr> 
  105.               <td align="right" width="35%">书号：</td>
  106.               <td width="65%"> 
  107.                 <input type="text" name="bookno" size="20" maxlength="30" value="<%= modibook.getBookNo() %>">
  108.               </td>
  109.             </tr>
  110.             <tr> 
  111.               <td align="right" width="35%">定价：</td>
  112.               <td width="65%"> 
  113.                 <input type="text" name="price" size="8" maxlength="10" value="<%= modibook.getPrince() %>">
  114.                 元</td>
  115.             </tr>
  116.             <tr> 
  117.               <td align="right" width="35%">总数量：</td>
  118.               <td width="65%"> 
  119.                 <input type="text" name="amount" size="8" maxlength="10" value="<%= modibook.getAmount() %>">
  120.                 本</td>
  121.             </tr>
  122.             <tr> 
  123.               <td align="right" width="35%" valign="top">图书封面：</td>
  124.               <td width="65%"> 
  125.                 <input type="text" name="picture" size="8" maxlength="10" value="<%= modibook.getPicture() %>">
  126.                
  127.               </td>
  128.             </tr>
  129.             <tr> 
  130.               <td align="right" width="35%" valign="top">图书简介：</td>
  131.               <td width="65%"> 
  132.                 <textarea name="content" cols="40" rows="6"><%= modibook.getContent() %></textarea>
  133.               </td>
  134.             </tr>
  135.             <tr> 
  136.               <td align="right" width="35%">&nbsp;</td>
  137.               <td width="65%"> 
  138. <input type="hidden" name="id" value="<%= Id %>">
  139.                 <input type="submit" name="Submit" value="提交" onclick="return(checkform());">
  140.                 <input type="reset" name="reset" value="重置">
  141.               </td>
  142.             </tr>
  143.           </table>
  144.         </form> 
  145. <% } %>
  146.         <p>&nbsp;</p>
  147.       </td>
  148. </tr>
  149. <%@include file="/bookshop/inc/adm_tail.inc"%>