<c:foreach var="detail" items="${mailManager.detailList}" varStatus="status"

本文详细介绍了如何使用JSTL(JavaServer Pages Standard Tag Library)在网页上动态展示订单数据,包括如何遍历集合、获取集合长度、使用变量状态等关键步骤。

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 current当前这次迭代的(集合中的)项
index当前这次迭代从 0 开始的迭代索引
count当前这次迭代从 1 开始的迭代计数
first用来表明当前这轮迭代是否为第一次迭代的标志
last用来表明当前这轮迭代是否为最后一次迭代的标志
begin属性值
end属性值
step属性值

其中一个例子,其他的类似
<c:forEach items="${list1}" var="obj"varStatus="stat">
${stat.index}
...
</c:forEach>

本次开发中运用了

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>

<table style="width: 100%; margin-top: 10px" class="simple" >
      <tr>
       <td colspan="6" class="td_title">您的訂購資料如下:</td>
      </tr>
      <tr>
         <td class="th_head">訂單編號</td>
         <td class="th_head">商品名稱</td>
         <td class="th_head">規格</td>
         <td class="th_head">單價</td>
         <td class="th_head">數量</td>
         <td class="th_head">小計</td>
        </tr>
        <tr>
         <c:set var="oLine" value="${fn:length(mailManager.detailList)}"/>  不能写成<c:set var="oLine" value="${mailManager.detailList.size()}">会报错的啦
         <td rowspan="${oLine}">${mailManager.orderMain.orderNo}</td>
         <c:forEach var="detail" items="${mailManager.detailList}" varStatus="status">
         <td>${detail.activity.activityName}</td>
         <td>${status.index+1}</td>
         <td>${detail.groupPrice}</td>
         <td>${detail.qty}</td>
         <td>${detail.groupPrice*detail.qty}</td>
         </tr>
         <c:if test="${status.index+1 < oLine}">
         <tr>
         </c:if>
         </c:forEach>
     </table>

把下面的source,改写成thymeleaf形式文件。 <%@ page contentType="text/html; charset=UTF-8"%> <%@ page pageEncoding="UTF-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%> <%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%> <!DOCTYPE html> <html> <head> <!-- IEバージョン設定 --> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE11"> <title> 会社マスタ一覧画面</title> <!-- jQuery設定 --> <script src="<c:url value="/resources/js/jquery-1.11.3.min.js" />"></script> <!-- CSS設定 --> <link rel="stylesheet" type="text/css" href="<c:url value="/resources/css/tsocms.css" />"> <script> $(function() { $(".stockCompanyMasterListTable tr:odd").addClass("odd"); $(".stockCompanyMasterListTable tr:even").addClass("even"); }); </script> <script> <!-- function stockCompanyclearButton() { document.select.mechSubCode.value = ""; document.select.stockCompanyName.value =""; } function updateSubmitCheck() { if(!radioCheck("更新対象をラジオボタンで選択してください。")) return; stockCompanyMasterListUpdateButton(); } function deleteSubmitCheck() { if(!radioCheck("削除対象をラジオボタンで選択してください。")) return; stockCompanyMasterListDeleteButton(); } function stockCompanySearchButton() { var target = document.getElementById("stockCompanyMasterListForm"); target.action = "${pageContext.request.contextPath}/stockcompanymasterlist/select"; target.submit(); } function stockCompanyMasterListDeleteButton() { var target = document.getElementById("stockCompanyMasterListForm"); target.action = "${pageContext.request.contextPath}/stockcompanymasterdelete"; target.submit(); } function stockCompanyMasterListUpdateButton() { var target = document.getElementById("stockCompanyMasterListForm"); target.action = "${pageContext.request.contextPath}/stockcompanymasterupdate"; target.submit(); } function radioCheck(msg) { var flag = false; var elm = document.getElementsByName('selectedKey'); for (i = 0; i < elm.length; i++) { if (elm[i].checked) { flag = true; } } if (!flag) { alert(msg); return false; } return true; } //--> </script> </head> <body> <!-- <!-- ページ見出し --> <div> <h1> 会社マスタ一覧画面</h1> </div> <form:form name="select" modelAttribute="stockCompanyMasterListForm" method="post" action="${pageContext.request.contextPath}/stockcompanymasterlist/select"> <!-- 会社結果一覧表 --> <div class="stockCompanyMasterListTableAll"> <div class="keyleft"> <!-- 検索キー --> <!-- 機構加入者コード --> <div class="searchkey"> <span class="mechSubCodeKey">機構加入者コード</span> <form:input type="search" path="mechSubCode" size="45" /> </div> <!-- 会社名 --> <div class="searchkey"> <span class="stockCompanyNameKey">会社名</span> <form:input type="search" path="stockCompanyName" size="45" /> </div> <!-- Hidden検索キー --> <form:hidden path="mechSubCodeHidden" /> <form:hidden path="stockCompanyNameHidden" /> </div> <div class="keyright"> <!-- 検索ボタン --> <form:button type="submit" name="stockCompanySearchbutton" id="stockCompanySearchbutton" onclick="stockCompanySearchButton()">検索</form:button> <!-- 初期化ボタン --> <form:button type="button" name="stockCompanyclearbutton" id="stockCompanyclearbutton" onclick="stockCompanyclearButton()">初期化</form:button> </div> <div class="stockCompanyMasterListTable"> <table class="stockCompanyMasterListTable"> <thead class="stockCompanyMasterList"> <tr> <th class="radioButton"></th> <th class="mechSubCode">機構加入者コード</th> <th class="stockCompanyName">会社名</th> <th class="stockCompanyNameKana">会社名カナ</th> <th class="effectiveDate">適用開始日</th> <th class="expireDate">適用終了日</th> </tr> </thead> <tbody class="searchListBody"> <c:forEach var="detail" items="${stockCompanyMasterListForm.stockCompanyMasterListDetailFormList}" varStatus="status"> <tr> <td class="radioButton"> <form:radiobutton path="selectedKey" value="${detail.mechanismSubscriberCd},${detail.effectiveDate}" /><br> </td> <td class="mechSubCode"> <c:out value="${detail.mechanismSubscriberCd}"></c:out> </td> <td class="stockCompanyName"> <c:out value="${detail.stockcompany}"></c:out> </td> <td class="stockCompanyNameKana"> <c:out value="${detail.stockcompanyKana}"></c:out> </td> <td class="effectiveDate"> <c:out value="${detail.effectiveDate}"></c:out> </td> <td class="expireDate"> <c:out value="${detail.expireDate}"></c:out> </td> </tr> </c:forEach> </tbody> </table> </div> <div class="left"></div> <div class="right"> <!-- 新規登録ボタン --> <form:button type="button" name="stockCompanyMasterListRegisterbutton" id="stockCompanyMasterListRegisterbutton" onclick="location.href='${pageContext.request.contextPath}/stockcompanymasterregister'">新規登録</form:button> <!-- 更新ボタン --> <form:button type="button" name="stockCompanyMasterListUpdatebutton" id="stockCompanyMasterListUpdatebutton" onclick="updateSubmitCheck()">更新</form:button> <!-- 削除ボタン --> <form:button type="button" name="stockCompanyMasterListDeletebutton" id="stockCompanyMasterListDeletebutton" onclick="deleteSubmitCheck()">削除</form:button> <!-- 戻るボタン --> <form:button type="button" name="stockCompanyMasterListReturnbutton" id="stockCompanyMasterListReturnbutton" onclick="location.href='${pageContext.request.contextPath}/master'">戻る</form:button> </div> </div> </form:form> </body> </html>
最新发布
07-18
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