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下面的代码用于显示来自服务器文件夹的图像,但列表显示无法解析类型。使用servlet代码将图像上传到文件夹“private static final String UPLOAD_DIRECTORY =”upload“;”现在我想显示所有图像到jsp页面。请帮助列表无法在jsp中解析
<%@ page import ="java.io.*"%>;
<%@ page import ="java.io.File.*"%>;
<%@ page import="java.sql.*"%>
<%@ page import="javax.sql.*"%>
<%@ page import ="java.util.ArrayList.*"%>
<%@ page import ="java.util.List.*"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>File Upload Example</title>
</head>
<body>
<div id="result">
<h3>${requestScope["message"]}</h3>
</div>
<%
List imageUrlList = new ArrayList(); //List cannot be resolved type
File imageDir = new File("Upload");
for (File imageFile : imageDir.listFiles()) {
String imageFileName = imageFile.getName();
// add this images name to the list we are building up
imageUrlList.add(imageFileName);
}
request.setAttribute("imageUrlList", imageUrlList);
%>
<c:forEach var="img" items="${imageUrlList}">
<img src="${imageUrlList}"/>
</c:forEach>
</body>
</html>
图像不从上面的代码显示。我收到此错误HTTP状态500 - 处理JSP页面显示for循环行时发生异常。请帮助 – Venki
请打开一个不同的问题 – user7294900