那位大哥帮个忙啊 页面
<%@ page language="java" pageEncoding="GBK"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<%@page import="y2ssh.songwenjie.xmal3.util.JbUtils"%>
<%@page import="y2ssh.songwenjie.xmal3.web.form.GoodsForm" %>
<script>
function SwitchDisplay(oid){
var o = document.getElementById(oid);
if (o){
if (o.style.display == "none"){ o.style.display = "block"; } else {o.style.display = "none";}
}
}
</script>
<logic:notEmpty name="item" property="bids">
<div style="width:300px;padding-left:10px;">
出价记录: [<span style="color:blue;cursor:hand;text-decoration: underline;" onclick="javascript:SwitchDisplay('div${item.goodsId}');">+/-</span>] <br />
<div style="display:none;" id="div${item.goodsId}">
<logic:iterate id="bid" name="item" property="bids">
<em>${bid.buyer.userName}</em>
<bean:write name="bid" property="bidTime" format="yyyy-MM-dd hh:mm" />
<span style="color:green;font-weight:bold;">${bid.bidPrice}</span><br />
</logic:iterate>
</div>
</div>
</logic:notEmpty>
<div style="padding-top:7px;padding-left:3px "><img style="width:333px;" src="images/hline3.gif"></div>formbeanpublic class GoodsForm extends ActionForm{
private Goods item=new Goods();
public Goods getItem()
{
return item;
}
public void setItem(Goods item)
{
this.item=item;
}
}
<%@ page language="java" pageEncoding="GBK"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<%@page import="y2ssh.songwenjie.xmal3.util.JbUtils"%>
<%@page import="y2ssh.songwenjie.xmal3.web.form.GoodsForm" %>
<script>
function SwitchDisplay(oid){
var o = document.getElementById(oid);
if (o){
if (o.style.display == "none"){ o.style.display = "block"; } else {o.style.display = "none";}
}
}
</script>
<logic:notEmpty name="item" property="bids">
<div style="width:300px;padding-left:10px;">
出价记录: [<span style="color:blue;cursor:hand;text-decoration: underline;" onclick="javascript:SwitchDisplay('div${item.goodsId}');">+/-</span>] <br />
<div style="display:none;" id="div${item.goodsId}">
<logic:iterate id="bid" name="item" property="bids">
<em>${bid.buyer.userName}</em>
<bean:write name="bid" property="bidTime" format="yyyy-MM-dd hh:mm" />
<span style="color:green;font-weight:bold;">${bid.bidPrice}</span><br />
</logic:iterate>
</div>
</div>
</logic:notEmpty>
<div style="padding-top:7px;padding-left:3px "><img style="width:333px;" src="images/hline3.gif"></div>formbeanpublic class GoodsForm extends ActionForm{
private Goods item=new Goods();
public Goods getItem()
{
return item;
}
public void setItem(Goods item)
{
this.item=item;
}
}
另外在页面中,你先这样判断item这个对象是否存在,如:
<logic:present name="item">
<logic:iterate id="bid" name="item" property="bids">
<em>${bid.buyer.userName} </em>
<bean:write name="bid" property="bidTime" format="yyyy-MM-dd hh:mm" />
<span style="color:green;font-weight:bold;">${bid.bidPrice} </span> <br />
</logic:iterate>
</logic:present>
<logic:notPresent name="item">
该对象不存在
</logic:notPresent>