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>