java通过Ajax启用后退按钮
以下是我的index.jsp：
<%@ taglib prefix="sj" uri="/struts-jquery-tags"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<s:head/>
<sj:head/>
<script type="text/javascript" src="jquery.validate.js"></script>
<script type="text/javascript" src="validate.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<link rel="stylesheet" type="text/css" href="style.css" media="all" />
<title>My Air - Home</title>
</head>
<body>
<div id="MainPage">
<jsp:include page="header.jsp"></jsp:include>
<div id="mainContent">
<jsp:include page="menubar.jsp"></jsp:include>
<div id="mainContentTop">
<div id="ContentLeft">
<jsp:include page="search.jsp"></jsp:include>
</div>
<div id="contentRight">
<jsp:include page="topdeals.jsp"></jsp:include>
</div>
</div>
</div>
<jsp:include page="footer.jsp"></jsp:include>
</div>
</body>
</html>
以下是我的search.jsp：
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib prefix="sj" uri="/struts-jquery-tags"%>\
<s:form action="searchFlight" theme="css_xhtml" cssClass="form1small" name="searchFlightForm">
<div class="searchHeadersmall">Search Flight</div>
<div id="searchForm1">
<s:actionerror/>
<s:select list="#application.cityList" headerValue="--------Select--------" headerKey="select" name="searchFlightDetails.from" label="Leaving From"></s:select>
<s:select list="#application.destlist" headerValue="---------Select-------" headerKey="select" name="searchFlightDetails.to" label="Going To"></s:select>
<sj:datepicker id="date0" label="Date" name="searchFlightDetails.dateoftravel" readonly="true" minDate="0"/>
<s:select list="#{'1':'1','2':'2','3':'3','4':'4','5':'5'}" headerValue="" headerKey="" name="searchFlightDetails.noofpassengers" label="No of tickets" style="width:50%; float:left"></s:select>
<div class="inputsmall nobottombordersmall">
<s:radio label="Type" name="searchFlightDetails.nonstop"
list="#{'Y':'NonStop','N':'Normal'}"/>
</div>
<div id="submitdivid1">
<sj:submit value="Show Flights" targets="mainContent"/>
</div>
</div>
</s:form>
提交表单时，以下searchFlightSuccess.jsp将加载到mainContent{
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib prefix="sj" uri="/struts-jquery-tags"%>
<s:if test="#session.username!=null">
<jsp:include page="menubaruser.jsp"></jsp:include>
</s:if>
<s:if test="#session.username==null">
<jsp:include page="menubar.jsp"></jsp:include>
</s:if>
<div id="searchHeaderHistory">Search Results</div>
<div class="CSSTableGenerator">
<table>
<colgroup>
<col span="1" style="width: 5%;">
<col span="1" style="width: 10%">
<col span="1" style="width: 15%">
<col span="1" style="width: 10%">
<col span="1" style="width: 15%">
<col span="1" style="width: 15%">
<col span="1" style="width: 15%">
<col span="1" style="width: 5%">
<col span="1" style="width: 10%">
</colgroup>
<thead>
<tr>
<td colspan="9">From:<s:property
value="searchFlightDetails.from" />
To:<s:property value="searchFlightDetails.to" /></td>
</tr>
</thead>
<tbody>
<tr>
<td>Flight ID</td>
<td>Provider</td>
<td>Departure Source</td>
<td>Via</td>
<td>Via Arrival</td>
<td>Via Departure</td>
<td>Destination Arrival</td>
<td>Fare</td>
<td></td>
</tr>
<s:iterator value="searchedFlightsList" var="flights">
<tr>
<td align="center"><s:property
value="#flights.flightDetails.fid" /></td>
<td align="center"><s:property
value="#flights.flightDetails.providerDetails.pname" /></td>
<td align="center"><s:property value="#flights.sourcedepdate" />,<s:property
value="#flights.sourcedeptime" /> hrs</td>
<td align="center"><s:property
value="#flights.flightDetails.routeDetails.via" /></td>
<td align="center"><s:property value="#flights.viaarrdate" />,<s:property
value="#flights.viaarrtime" />hrs</td>
<td align="center"><s:property value="#flights.viadepdate" />,<s:property
value="#flights.viadeptime" />hrs</td>
<td align="center"><s:property value="#flights.destarrdate" />,<s:property
value="#flights.destarrtime" />hrs</td>
<td width="5%" align="center"><s:property
value="#flights.flightDetails.fares2d" /></td>
<td width="5%" align="center">
<s:form
action="passengerDetailsLink" method="get" theme="simple"
id="passengerDetailsLink_%{#flights.sid}">
<s:hidden value="%{#flights.sid}" name="sid" />
<s:hidden value="%{#flights.flightDetails.fares2d}" name="fare" />
<s:hidden value="%{searchFlightDetails.from}" name="from" />
<s:hidden value="%{searchFlightDetails.to}" name="to" />
<s:hidden value="%{searchFlightDetails.noofpassengers}"
name="passengers" />
<s:hidden value="1" name="flag" />
<sj:submit value="Book" targets="mainContent"
cssClass="orangebuttonsmall" />
</s:form></td>
</tr>
</s:iterator>
</tbody>
</table>
</div>
情况如下：
我在^{mainContent <div>。由于表单是使用Struts 2 jQuery plugin submit提交的，所以URL保持不变，因此浏览器后退按钮不起作用。如果我想回去，我该怎么做
我读过一些散列技术，但我无法将其应用于此
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