Posted on 2007-04-25 16:37
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我先給出 jsp
<%@?taglib?prefix="ec"?uri="/WEB-INF/extremecomponents.tld"?%>
<%@?taglib?prefix="c"?uri="/WEB-INF/c.tld"?%>
<%@?page?language??=??"java"???import="java.util.*"???pageEncoding="GBK"%>??
<%@?taglib?uri="http://jakarta.apache.org/struts/tags-bean"?prefix="bean"%>?
<%@?taglib?uri="http://jakarta.apache.org/struts/tags-html"?prefix="html"%>
<head>
<link???rel??="stylesheet"???type??="text/css"???href??="<c:url?value="/extremecomponents.css"??/>??">
</head>
???<ec:table???
???????????items="table"??
???????????var="result"??
???????????retrieveRowsCallback="limit" ??? //關鍵 申明?
???????????action="${pageContext.request.contextPath}/list.do"??
???????????imagePath="${pageContext.request.contextPath}/images/table/*.gif"??
???????????title="查詢結果"??
???????????width="100%"??
???????????rowsDisplayed="5"??
???????????>??
?????<ec:row>??
???????<ec:column?property="name"?/>
???????<ec:column?property="pass"?/>??
?????</ec:row>
???</ec:table>??
提交給的Action
????public?ActionForward?execute(
????????ActionMapping?mapping,
????????ActionForm?form,
????????HttpServletRequest?request,
????????HttpServletResponse?response)?{
????????ListForm?listForm?=?(ListForm)?form;
????
????????Context?context?=?new?HttpServletRequestContext(request);??
????????LimitFactory?limitFactory?=?new?TableLimitFactory(context);??
????????TableLimit?limit?=?new?TableLimit(limitFactory);??
????????limit.setRowAttributes(Integer.MAX_VALUE,?5);???? //關鍵得出 extremecomponents? limit
????????
????????PageBean?page?=?new?PageBean();??
????????System.out.println(limit.getCurrentRowsDisplayed()+":limit");
????????
????????page.setPageSize(limit.getCurrentRowsDisplayed());?//ec通過limit對象傳遞pageSize給PageBean??
????????page.setPage(limit.getPage());//ec通過limit對象傳遞pageNo給PageBean??
????????
????????
????????request.setAttribute("table",page.getList());
????????request.setAttribute("totalRows",?new?Integer(page.getCount()));
????????
????????return?mapping.findForward("list");
????}
提交 bean
package?test;
import?java.util.ArrayList;
import?java.util.Hashtable;
import?java.util.List;
import?java.util.Map;
?public?class?PageBean?{??
?????
????????static?ArrayList?arr1?=?new?ArrayList();
????????static?{
????????????????for(int?i=0;i<1000;i++){
????????????????Map?map?=?new?Hashtable();
????????????????map.put("name",i+"liukaiyi");
????????????????map.put("pass",i+"123");
????????????????arr1.add(map);
????????????????}
????????}
??? ?? //仿照 數據 *************************************
?????
??????private?int?count?=?1000;?//?記錄總數??
??????private?int?pageSize?=?10;?//?每頁顯示記錄數??
??????????private?int?pageCount?=?0;?//?總頁數??
??????????private?int?page?=?1;?//?當前頁數??
?
???????????public?int?getCount()?{??
??????????????return?count;??
?????????}??
????????public?void?setCount(int?count)?{??
???????????if?(pageSize?!=?0)?{??
?????????????pageCount?=?count?/?pageSize;??
???????????if?(count?%?pageSize?!=?0)?{??
??????????????pageCount++;??
????????????}??
???????}??
????????this.count?=?count;??
???????}??
????
??????public?int?getPage()?{??
?????????return?page;??
??????}??
??????public?void?setPage(int?page)?{??
????????this.page?=?page;??
?????}??
??????public?int?getPageCount()?{??
???????return?pageCount;??
?????}??
?????public?void?setPageCount(int?pageCount)?{??
????????this.pageCount?=?pageCount;??
?????}??
?????public?int?getPageSize()?{??
???????return?pageSize;??
??????}??
??????public?void?setPageSize(int?pageSize)?{??
????????this.pageSize?=?pageSize;??
??????}??
?
??????public?List?getList(){? ??? //提交 給 List 顯示的 數據********************
??????????int?st?=?(getPage()-1)*getPageSize()-1 ;
??????????int?end?=?st+getPageSize() +1;
??????????
??????????System.out.println("bean?"+st+":"+end);
??????????List?arr?=?arr1.subList(st,end);
??????????return?arr?;?
??????}
??}?
?