如果你曾用VB编写文件上传的组件的话,那么用JAVA编写文件上传的JAVABEAN十分容易。下面的例子只是一个简版package yuanyifileup;import java.io.*;import java.util.*;import javax.servlet.*;import javax.servlet.http.*;import javax.servlet.jsp.PageContext;public class yuanyifileup{private ServletRequest request;private ServletResponse response;private