网页功能-源码文件

你知道网页中的下载功能怎么来的吗 下载就知道的哦

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         439  2009-04-02 17:17  jsp_upload_demo\.classpath
     文件         318  2009-04-02 17:17  jsp_upload_demo\.mymetadata
     文件        1233  2009-04-02 17:17  jsp_upload_demo\.project
     文件       18490  2009-04-02 17:17  jsp_upload_demo\JspSmartUpload浣跨敤璇︾粏璇存槑.txt
     文件          39  2009-04-02 17:17  jsp_upload_demo\WebRoot\meta-INF\MANIFEST.MF
     文件       14590  2009-04-02 17:17  jsp_upload_demo\WebRoot\WEB-INF\lib\jspSmartUpload.jar
     文件         381  2009-04-02 17:17  jsp_upload_demo\WebRoot\WEB-INF\web.xml
     文件         679  2009-04-02 17:17  jsp_upload_demo\WebRoot\index.jsp
     文件        1331  2009-04-02 17:17  jsp_upload_demo\WebRoot\jspSmart_do.jsp
     文件         759  2009-04-02 17:17  jsp_upload_demo\WebRoot\jspSmart_down.jsp