bodygrouppager.jsp

一个用struts tiles的在线影院web系统

<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"  import="com.eline.vod.utils.*,com.blue.web.common.util.*,java.util.*,com.eline.vod.utils.caching.*,com.blue.web.common.model.*,com.eline.vod.client.*,com.eline.vod.model.*"%>
<%
int pageIndex = StringUtils.getInt(request.getParameter("page"), 0);
int groupId = StringUtils.getInt(request.getParameter("group"), 0);
Cache cache = Cache.getInstance();
String moviesCacheKey = "movies-group:" + groupId + "-8-" + pageIndex;
Page chunk = (Page) cache.get(moviesCacheKey);
if (chunk == null) {
	MovieCondition condition = new MovieCondition();
	condition.setSortBy(MovieCondition.SortBy_LastUpdate);
	chunk = Groups.searchMovie(null, groupId, pageIndex * 8, 8);
	if (chunk.getItems().size() > 0) {
		Calendar cal = Calendar.getInstance();
		cal.setTime(new Date());
		cal.add(Calendar.MINUTE, 5);
		cache.add(moviesCacheKey, chunk, cal.getTime(), Cache.NoSlidingExpiration);
	}
}
int totalPage = (chunk.getTotalRecords() + 7) / 8 ;
String groupURL = SiteUrls2.getInstance().getMovieGroupURL() + "?group=" + groupId;
String sortBy = request.getParameter("sort");
if (sortBy != null)
	groupURL += "&sort=" + sortBy;
%>
<table width="100%" height="38" border="0" cellspacing="0" cellpadding="0">
	<tr>
		<td width="8"><img src="<%= request.getContextPath() %>/images/pager-left.gif" /></td>
		<td align="center" background="<%= request.getContextPath() %>/images/pager-bg.gif">
		<table border="0" cellspacing="0" cellpadding="0" class="pager1">
			<tr>
				<td>
				<div align="center"><a href="<%=groupURL %>">首页</a><%
				if (pageIndex > 0) {
				%>&nbsp;<a href="<%=groupURL + "&page=" + (pageIndex-1) %>">上一页</a><%
				}
				for (int i = 0; i < totalPage; i ++) {
				%>&nbsp;|&nbsp;<a href="<%=groupURL + "&page=" + i %>"><%=(i+1) %></a><%
				}%>&nbsp;|<%
				if (pageIndex < (totalPage - 1)) {
				%>&nbsp;<a href="<%=groupURL + "&page=" + (pageIndex+1) %>">下一页</a><%}
				%>&nbsp;<a href="<%=groupURL + "&page=" + (totalPage-1)%>">尾页</a></div>
				</td>
				<td></td>
			</tr>
		</table>
		</td>
		<td width="8"><img src="<%= request.getContextPath() %>/images/pager-right.gif" /></td>
	</tr>
</table>