cd_modify.jsp

java+javabean开发的一套网上购物系统.

<!--<meta http-equiv="musiclist-Type" musiclist="text/html; charset=gb2312">-->
<%@ page contentType="text/html;charset=gb2312" %> 
<%@ page session="true" %>
<%
if (session.getAttribute("admin")==null || session.getAttribute("admin")==""){
//	response.sendRedirect("error.htm");
} %>
<%@ page import="cdshop.cd.*" %>
<%@ page import="cdshop.util.*" %>
<jsp:useBean id="classlist" scope="page" class="cdshop.run.op_cdclass" />
<jsp:useBean id="cd" scope="page" class="cdshop.run.op_cd" />
<%
	String mesg = "";
	String submit = request.getParameter("Submit");
	int Id =0;
	if (submit!=null && !submit.equals("")){
		if(cd.getRequest(request)){
			if(cd.update()){
				mesg = "CD资料修改成功！";
			} else {
				mesg = "数据库操作失败";
			}
		}else {
			mesg = "对不起，你提交的参数有错误";
		}
	}
	if (request.getParameter("id")==null || request.getParameter("id").equals("")) {
		mesg = "你要修改的数据参数错误！";
	} else {
		try {
			Id = Integer.parseInt(request.getParameter("id"));
			if (!cd.getOnecd(Id)){
				mesg = "你要修改的数据不存在";
			}
		} catch (Exception e){
			mesg = "你要修改的数据参数错误！";
		}
	}
%>
<script language="javascript">
  function checkform() {
	if (document.form1.id.value=="") {
		alert("你要修改的数据不存在！");
		return false;
	}
	if (document.form1.cdname.value=="") {
		document.form1.cdname.focus();
		alert("CD名为空!");
		return false;
	}
	if (document.form1.Singer.value=="") {
		alert("歌手名为空!");
		document.form1.Singer.focus();
		return false;
	}

	return true;

  }
</script>
<%@include file="../inc/adm_head.inc"%>
<tr>
 <td align="center" width="77%">
        <p><br>
          <font size="3"><b>修改CD资料</b></font></p>
		  <% if(!mesg.equals("")){
			out.println(mesg);
		  } else {
			cd modicd = (cd) cd.getcdlist().elementAt(0);
			%>
        <form name="form1" method="post" action="cd_modify.jsp">
          <table width="90%" border="0" cellspacing="1" cellpadding="1">
            <tr>
              <td align="right" width="35%">CD名称：</td>
              <td width="65%">
                <input type="text" name="cdname" maxlength="40" size="30" value="<%= dataFormat.toString(modicd.getcdName()) %>">
              </td>
            </tr>
            <tr>
              <td align="right" width="35%">歌手名：</td>
              <td width="65%">
                <input type="text" name="Singer" maxlength="25" size="20" value="<%= dataFormat.toString(modicd.getSinger()) %>">
              </td>
            </tr>
            <tr>
              <td align="right" width="35%">发行唱片公司：</td>
              <td width="65%">
                <input type="text" name="publish" size="40" maxlength="150" value="<%= dataFormat.toString(modicd.getPublish()) %>">
              </td>
            </tr>
            <tr>
              <td align="right" width="35%">所属类别：</td>
              <td width="65%">
                <select name="cdclass">
		<% if (classlist.seachcdClass()){
				for (int i=0;i<classlist.getClasslist().size();i++){
					cdclass bc = (cdclass) classlist.getClasslist().elementAt(i); %>
			      <option value="<%= bc.getId()%>" <% if (bc.getId() == modicd.getcdClass()) out.print("selected");%>><%= dataFormat.toString(bc.getClassName()) %></option>
		<%		}
		}%>

                </select>
              </td>
            </tr>
            <tr>
              <td align="right" width="35%">CD编号：</td>
              <td width="65%">
                <input type="text" name="cdno" size="20" maxlength="30" value="<%= modicd.getcdNo() %>">
              </td>
            </tr>
            <tr>
              <td align="right" width="35%">售价：</td>
              <td width="65%">
                <input type="text" name="price" size="8" maxlength="10" value="<%= modicd.getPrice() %>">
                元</td>
            </tr>
            <tr>
              <td align="right" width="35%">总数量：</td>
              <td width="65%">
                <input type="text" name="amount" size="8" maxlength="10" value="<%= modicd.getAmount() %>">
                本</td>
            </tr>
            <tr>
              <td align="right" width="35%" valign="top">CD封面：</td>
              <td width="65%">
                <input type="text" name="picture" size="8" maxlength="10" value="<%= modicd.getPicture() %>">

              </td>
            </tr>
            <tr>
              <td align="right" width="35%" valign="top">CD歌曲列表：</td>
              <td width="65%">
                <textarea name="musiclist" cols="40" rows="6"><%= dataFormat.toString(modicd.getmusiclist()) %></textarea>
              </td>
            </tr>
            <tr>
              <td align="right" width="35%">&nbsp;</td>
              <td width="65%">
				<input type="hidden" name="id" value="<%= Id %>">
                <input type="submit" name="Submit" value="提交" onclick="return(checkform());">
                <input type="reset" name="reset" value="重置">
              </td>
            </tr>
          </table>
        </form>
	<% } %>
        <p>&nbsp;</p>
      </td>
</tr>
<%@include file="../inc/adm_tail.inc"%>

蕃;貯X礯┶柆lA