file_write.jsp
来自「jakarta-taglibs」· JSP 代码 · 共 45 行
JSP
45 行
<%@taglib uri="http://jakarta.apache.org/taglibs/io-1.0" prefix="io" %>
<%@page import="java.io.*"%>
<%--
Serves up a HTTP request (the Jakarta home page) i.e. a proxy
--%>
<html>
<body>
<h1>File Write demo</h1>
<h2>Create a temporary file</h2>
<%
File file = File.createTempFile( "jakarta-home-", ".html" );
FileWriter fileWriter = new FileWriter( file );
%>
<p>
This sample will write the Jakarta home page to a temporary file at:
</p>
<p>
<b><%= file.getCanonicalPath() %></b>
</p>
<io:pipe writer="<%= fileWriter %>">
<io:http url="http://jakarta.apache.org/index.html"/>
</io:pipe>
<%
fileWriter.close();
%>
<p>
Done. File is:
<b><%= file.length() %></b> bytes long
</p>
<h2>Now lets read it...</h2>
<io:body reader="<%= new FileReader( file ) %>"/>
</body>
</html>
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