JAVA Web 基於 c:forEach 標籤的分頁功能(程式碼十分簡短,一看便懂,可直接使用)
阿新 • • 發佈：2019-02-01
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ page language="java" import="java.util.*" %> <%@ page language="java" import="me.domain.Classes" %> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>學生資訊管理平臺</title> </head> <body class=""> <!-- 分頁操作--> <% ArrayList<Classes> list = (ArrayList<Classes>)request.getSession().getAttribute("clist"); //此處是取出所儲存的資料 int page_current = 1; //當前頁數 int page_begin = 0; //起始點,注意:下標從0開始 int page_end = 9; //終點,每頁十條資訊 int total_count = 0; if(list != null) total_count = list.size(); //資訊的總量 int page_total = total_count / 10 + (total_count % 10 != 0 ? 1 : 0); if(request.getParameter("begin") != null) { page_current = Integer.parseInt(request.getParameter("begin")); //獲取當前頁數 } page_begin = (page_current - 1) * 10; page_end = page_begin + 9 > total_count ? total_count : page_begin + 9; request.getSession().setAttribute("page_current", page_current); //儲存到session中 request.getSession().setAttribute("page_total", page_total); %> <!--content--> <c:forEach var="p" items="${clist}" begin="<%=page_begin %>" end="<%=page_end %>"> <tr> <td>${p.cid}</td> <td>${p.cname}</td> <td>${p.grade }</td> </tr> </c:forEach> <c:if test="${sessionScope.page_current != 1 }"> <li><a href="/StuSys/showAllClasses.jsp?begin=${sessionScope.page_current - 1 }">Prev</a></li> </c:if> <c:if test="${sessionScope.page_current != sessionScope.page_total }"> <li><a href="/StuSys/showAllClasses.jsp?begin=${sessionScope.page_current + 1 }">Next</a></li> </c:if> 當前頁數 : ${sessionScope.page_current } / ${sessionScope.page_total } </body> </html>