<%@ page language="java" contentType="text/html; charset=UTF-8"? ? pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>學(xué)生信息</title></head><% // 獲取請求的上下文 String context = request.getContextPath();%><script type="text/javascript">// 當(dāng)前第幾頁數(shù)據(jù)var currentPage = ${result.currentPage};// 總頁數(shù)var totalPage = ${result.totalPage};function submitForm(actionUrl){ var formElement = document.getElementById("stuForm"); formElement.action = actionUrl; formElement.submit();}// 第一頁function firstPage(){ if(currentPage == 1){ alert("已經(jīng)是第一頁數(shù)據(jù)"); return false; }else{ submitForm("<%=context %>/sublist/SublistServlet?pageNum=1"); return true; }}// 下一頁function nextPage(){ if(currentPage == totalPage){ alert("已經(jīng)是最后一頁數(shù)據(jù)"); return false; }else{ submitForm("<%=context %>/sublist/SublistServlet?pageNum=" + (currentPage+1)); return true; }}// 上一頁function previousPage(){ if(currentPage == 1){ alert("已經(jīng)是第一頁數(shù)據(jù)"); return false; }else{ submitForm("<%=context %>/sublist/SublistServlet?pageNum=" + (currentPage-1)); return true; }}// 尾頁function lastPage(){ if(currentPage == totalPage){ alert("已經(jīng)是最后一頁數(shù)據(jù)"); return false; }else{ submitForm("<%=context %>/sublist/SublistServlet?pageNum=${result.totalPage}"); return true; }}function initPage(){ var genderRequest = "${gender}" ; var genderVal = 0; var genderElement = document.getElementById("gender"); if(genderRequest != ""){ genderVal = parseInt(genderRequest); } var options = genderElement.options; var i = 0; for(i = 0; i < options.length; i++){ if(options[i].value == genderVal){ options[i].selected=true; break; } } }</script><body onload="initPage();"> <div style="margin-left: 100px; margin-top: 100px;"> <div> <font color="red">${errorMsg }</font> </div> <div> <form action="<%=context %>/sublist/SublistServlet" ? id="stuForm" ?method="post"> 姓名 <input type="text" name="stuName" id="stu_name" style="width:120px" value="${stuName }"> 性別 <select name="gender" id="gender" style="width:80px"> <option value="0">全部</option> <option value="1">男</option> <option value="2">女</option> </select> <input type="submit" value="查詢"> </form> </div> <br> 學(xué)生信息列表：<br> <br> <!-- 后臺返回結(jié)果為空 --> <c:if test="${fn:length(result.dataList) eq 0 }"> <span>查詢的結(jié)果不存在</span> </c:if> <!-- 后臺返回結(jié)果不為空 --> <c:if test="${fn:length(result.dataList) gt 0 }"> <table border="1px" cellspacing="0px" style="border-collapse: collapse"> <thead> <tr height="30"> <th width="130">姓名</th> <th width="130">性別</th> <th width="130">年齡</th> <th width="190">家庭地址</th> </tr> </thead> <c:forEach items="${result.dataList }" var="student"> <tr> <td><c:out value="${student.stuName }"></c:out></td> <td> <c:if test="${ student.gender eq 1}">男</c:if> <c:if test="${ student.gender eq 2}">女</c:if> </td> <td><c:out value="${student.age }"></c:out></td> <td><c:out value="${student.address }"></c:out></td> </tr> </c:forEach> </table> <br> 共${result.totalRecord }條記錄共${result.totalPage }頁 當(dāng)前第${result.currentPage }頁 <a href="#" onclick="firstPage();">首頁</a> ? <a href="#" onclick="nextPage();">下一頁</a> ? <a href="#" onclick="previousPage();">上一頁</a> <a href="#" onblur="lastPage();">尾頁</a> </c:if> </div></body></html>jsp頁面的 ${result.dataList }?${ student.gender eq 2}${result.totalRecord }的原理是什么 怎么在servlet里面找不到?
慕課網(wǎng)分頁問題
好好認(rèn)真學(xué)習(xí)
2017-10-16 22:33:31
