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请求分析 　　表单的action属性值是Jsp1.jsp，这意味着请求（包括上载的文件）将发送给Jsp1.jsp文件。Jsp1.jsp简单地调用名为SimpleBean的JavaBean。 <% TheBean.doUpload(request); %> 　　下面是SimpleBean的实现代码： import java.io.*; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.ServletInputStream; public class FileUploadBean { public void doUpload(HttpServletRequest request) throws IOException { PrintWriter pw = new PrintWriter( new BufferedWriter(new FileWriter("Demo.out"))); ServletInputStream in = request.getInputStream(); int i = in.read(); while (i != -1) { pw.print((char) i); i = in.read(); } pw.close(); } } <