archieve: homework5 c_foreach1.jsp

2025-04-21 15:01:55 +08:00
parent daee8a85f4
commit aad47f2f81
1 changed files with 31 additions and 0 deletions
@@ -0,0 +1,31 @@
 <%@ page import="java.util.Map" %>
 <%@ page import="java.util.HashMap" %>
 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
 <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
 <html>
 <head>
    <title>Title</title>
 </head>
 <body>
 <%
    String[] fruits = {"apple", "orange", "grape", "banana"};
 %>
 String 数组中的元素：
 <br/>
 <c:forEach var="name" items="<%=fruits%>">
    ${name}<br/>
 </c:forEach>
 <%
    Map userMap = new HashMap();
    userMap.put("Tom", "123");
    userMap.put("Lina", "123");
    userMap.put("Make", "123");
 %>
 <hr/>
 HashMap 集合中的元素：
 <br/>
 <c:forEach var="entry" items="<%=userMap%>">
    ${entry.key}&nbsp;${entry.value}<br/>
 </c:forEach>
 </body>
 </html>