WebRoot/guihai/guihaiupdate.jsp

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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@ page import="com.util.*"%>
<%
request.setCharacterEncoding("gb2312");
DBO db=new DBO();
String   wp="",ghsl="",ghr="",ghsj="",bz="";
String keyid=(String)request.getParameter("keyid");
String sql="select * from guihai where ghid="+keyid;
ResultSet rs=null;
db.open();
rs=db.query(sql);

/*
归还信息修改页面
*/
if(rs.next()){
 wp=rs.getString("wp");
ghsl=rs.getString("ghsl");
ghr=rs.getString("ghr");
ghsj=rs.getString("ghsj");
bz=rs.getString("bz");

}
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<link href="../images/skin.css" rel="stylesheet" type="text/css" />
<LINK href="../images/Admin_Style.css" type=text/css rel=stylesheet>
<LINK href="../images/style.css" type=text/css rel=stylesheet>
<script src="../js/public.js" type="text/javascript"></script>
<script language="javascript" src="../js/selectDate.js"></script>
<script language="javascript">
function checkDo(){
if(form.wp.value==""){
alert("物品不能为空");
return false;
form.wp.focus();
}

if(form.ghsl.value==""){
alert("归还数量不能为空");
return false;
form.ghsl.focus();
}

if(form.ghr.value==""){
alert("归还人不能为空");
return false;
form.ghr.focus();
}

if(form.ghsj.value==""){
alert("归还时间不能为空");
return false;
form.ghsj.focus();
}

if(form.bz.value==""){