The Pager Tag Library 实现分页

文彭祖
2023-12-01

我在这里简单的介绍一下利用The Pager Tag Library 实现分页功能的步骤:
  1: 在应用服务器中,你所应用到项目的web-inf/web.xml中的<web-app>...</web-app> 标签中添加:
   <taglib>
   <taglib-uri>
  
http://jsptags.com/tags/navigation/pager //可以更改
   </taglib-uri>
   <taglib-location>
   /WEB-INF/jsp/pager-taglib.tld //指明pager-taglib.tld存放的位置
   </taglib-location>
   </taglib>
  2: 到
http://jsptags.com/tags/navigation/pager/下载pager-taglib-2.0.war包,解压后可获得pager-taglib.jar,将其放到web-inf/lib/包下。pager-taglib.tld可以到/WEBINF/jsp/包下。
  3:在所需要分页的jsp页面顶部添加:<%@ taglib uri="
http://jsptags.com/tags/navigation/pager " prefix="pg" %>
  4:
  <% totalItems = list.size(); //接收到的list
   String style = “simple“
   Sing position = "both"; //top bottom
   int maxPageItems =1; //每页显示数据的个数
   int maxIndexPages = 4;//显示跳转页面的个数
   String index = "center";
  %>
   <pg:pager
   items="<%= totalItems %>"
   index="<%= index %>"
   maxPageItems="<%= maxPageItems %>"
   maxIndexPages="<%= maxIndexPages %>"
   export="offset,currentPageNumber=pageNumber"
   scope="request">
   <pg:param name="style"/>
   <pg:param name="position"/>
   <pg:param name="index"/>
   <pg:param name="maxPageItems"/>
   <pg:param name="maxIndexPages"/>
  <input type="hidden" name="pager.offset" value="<%= offset %>">
   <%-- warn if offset is not a multiple of maxPageItems --%>
   <% if (offset.intValue() % maxPageItems != 0 &&
   ("alltheweb".equals(style) || "lycos".equals(style)) )
   {
   %>
   <p>Warning: The current page offset is not a multiple of Max. Page Items.
   <br>Please
   <pg:first><a href="<%= pageUrl %>">return to the first page</a></pg:first>
   if any displayed range numbers appear incorrect.</p>
   <% } %>
  // 显示跳转的jsp;
  <% if ("top".equals(position) || "both".equals(position)) { %>
   <pg:index><jsp:include page="paging-links.jsp" flush="true"/></pg:index>
  <% } %>
  <% for(int i = 0; i <size; i++ ){%>
  <pg:item>
   <td> <%= list.get(i)%></td> // 简单的显示数据;
  </pg:item>
  <%
   }
  %>
  </pg:pager>
  5. paging-links.jsp 如下:或者参照jsptags中的示范copy你所需要的显示格式
  <%@ page session="false" %>
  <%@ taglib uri="
http://jsptags.com/tags/navigation/pager " prefix="pg" %>
  <table width=100% cellpadding=2 cellspacing=0 border=0 bgcolor=e3e9f8>
  <tr><td><font face=arial size=2>&nbsp;<b>Matches</b></font>
  </td><td align=right nowrap width=1%><font face=arial size=-1>
  <pg:index export="total=itemCount">
  <pg:page export="first,last">
   <%= first %> - <%= last %> of <%= total %>
  </pg:page>
  <pg:first export="url" unless="current">
  &nbsp;<b><a href="<%= url %>">First Page</a></b>&nbsp;|
  </pg:first>
  <pg:prev export="url,first,last">
  <% int prevItems = (last.intValue() - first.intValue()) + 1; %>
  <b><a href="<%= url %>">Previous <%= prevItems %></a></b>
  </pg:prev>
  <pg:next export="url,first,last">
  <% int nextItems = (last.intValue() - first.intValue()) + 1; %>
  |&nbsp;<b><a href="<%= url %>">Next <%= nextItems %></a></b>
  </pg:next>
  &nbsp;&nbsp;</font></td></tr>
  </table>
  </pg:index>

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