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📄 listorder.jsp

📁 此为一个网上购书系统的JSP代码,包括填加图书,定单等功能.
💻 JSP
字号:
<%@ page contentType="text/html;charset=gb2312" import="java.sql.*"%>
<%@ include file="check.jsp"%>
<%@ include file="top.jsp"%>
<jsp:useBean id="conn" class="dbBean.DBBean" scope="session"/>
<jsp:useBean id="sp" class="spage.ShowPage" scope="session"/>
<html>
<head>
<title>查看订单</title>
<link rel="stylesheet" type="text/css" href="style.css"/>
<script language="javaScript">
function seeUser(userid)
{
	window.open('detailuser.jsp?detailid='+userid,'infoWin','height=300,width=700');
}
</script>
</head>
<body background="images/bg01.gif">
<%!
	String type="";
	String key="";
	String sql1="";
	String sql2="";
	ResultSet rs=null;
	ResultSet temp=null;
	//每页显示的记录个数
	int size = 10;
	//当前页号
	int p = 1;
	//全部的页数
	int totalPage = 1;
%>
<%
	request.setCharacterEncoding("gb2312");
	if(request.getParameter("stype")!=null)
		type=request.getParameter("stype");
	if(request.getParameter("skey")!=null)
		key=request.getParameter("skey");
	String rank=(String)session.getAttribute("rank");
	String logid=(String)session.getAttribute("id");
%>
<p><center>
<form action="listorder.jsp" method="post">
请选择查询类别:<select name="stype">
		<option value="orderid" <%if(type!=null) if(type.equals("orderid")) out.print("selected");%>>订单号</option>
		<option value="orderdate" <%if(type!=null) if(type.equals("orderdate")) out.print("selected");%>>订单日期</option>
		<option value="orderstate" <%if(type!=null) if(type.equals("orderstate")) out.print("selected");%>>订单状态</option>
<%
	if(rank.equals("1"))
	{
%>
		<option value="username" <%if(type!=null) if(type.equals("username")) out.print("selected");%>>用户名</option>
<%
	}
%>
		</select>
请输入查询关键字:<input type="text" name="skey" size=10 value="<%if(key!=null) out.print(key);%>">
<input type="submit" value="确定">
</form>
<table width="95%" border bordercolor="blue" align="center" cellpadding="0" cellspacing="0" bordercolorlight="#FFFFFF">
<tr align="center" height="20">
<th background="images/bg04.gif"> 
订单号</th><th background="images/bg04.gif"> 
订单日期</th><th background="images/bg04.gif"> 
订单状态</th>
<%
if(rank.equals("1"))
{
%>
<th background="images/bg04.gif">用户名</th>
<th background="images/bg04.gif">删除</th>
<%
}
	sql1="select * from orderinfo";
	sql2="select count(*) from orderinfo";
	if(type!=null && key!=null && !type.equals("") && !key.equals(""))
	{
		if(type.equals("orderdate"))
		{
			sql1 += " where "+type+" = #"+key+"#";
			sql2 += " where "+type+" = #"+key+"#";	
		}
		else
		{
			sql1 += " where "+type+" = '"+key+"'";
			sql2 += " where "+type+" = '"+key+"'";	
		}
		if(rank.equals("0"))
		{
			sql1 += " and userid = "+logid;
			sql2 += " and userid = "+logid;	
		}
	}
	else
	{
		if(rank.equals("0"))
		{
			sql1 += " where userid = "+logid;
			sql2 += " where userid = "+logid;	
		}
	}
	sql1+=" order by orderdate desc";		
	temp=conn.executeQuery(sql2);
	int totalrecord=0;
	if(temp.next())
		totalrecord = temp.getInt(1);
	// 如果是当前页码的整数倍	
	if(totalrecord % size ==0) totalPage = totalrecord / size;  
	// 如果最后还空余一页
	else  totalPage =  totalrecord / size + 1; 
	if(totalPage == 0) totalPage = 1;
	temp.close();
	try {
		if(request.getParameter("p")==null || request.getParameter("p").equals("")) 
		{
		   if(session.getAttribute("orderp")==null)
			p = 1;
		   else
			p = ((Integer)session.getAttribute("orderp")).intValue();
		}
		else
		{
		   p = Integer.parseInt(request.getParameter("p"));			   session.setAttribute("orderp",new Integer(p));
		}
	} 
	// 捕获用户从浏览器地址拦直接输入非数字信息而引起的异常
	catch(NumberFormatException e) {  
		   p = 1;
	}
	if(p < 1)  p = 1;
	if(p > totalPage) p = totalPage;
	rs=conn.executeQuery(sql1);
	if(rs.next())
	{
		if(rank.equals("1"))
			out.println(sp.orderPage(rs,p,size,true));
		else
			out.println(sp.orderPage(rs,p,size,false));
	}
%>
</table>
<form Action="listorder.jsp" Method="GET">
<%
  for(int i=1;i<=totalPage;i++) {
      out.println("<a href=listorder.jsp?p=" + i +">" + i + "</a>&nbsp;&nbsp;");
  }
%>
  <p>输入页数:<input type="text" name="p" size="3"> 
     页数:<font color="red"><%=p%>/<%=totalPage%></font> 
</form>
</center>
<%
	rs.close();
	conn.close();
%>
</body>
</html>

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