struts2 文件上传和下载示例程序

package org.apache.jsp; import javax.servlet.*; import javax.servlet.http.*; import javax.servlet.jsp.*; public final class user_jsp extends org.apache.jasper.runtime.HttpJspBase implements org.apache.jasper.runtime.JspSourceDependent { private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory(); private static java.util.List _jspx_dependants; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fform_005fstyle_005fmethod_005fid_005fenctype_005faction; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005ffile_005ftheme_005fname_005faccept_005fnobody; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fcheckbox_005ftheme_005fname_005fnobody; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fselect_005ftheme_005fname_005flistValue_005flistKey_005flist_005fnobody; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fproperty_005fvalue_005fnobody; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fiterator_005fvalue; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fa_005fhref; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fa_005fonclick_005fhref; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fa_005fstyle_005fhref; private org.apache.jasper.runtime.TagHandlerPool _005fjspx_005ftagPool_005fs_005fif_005ftest; private javax.el.ExpressionFactory _el_expressionfactory; private org.apache.AnnotationProcessor _jsp_annotationprocessor; public Object getDependants() { return _jspx_dependants; } public void _jspInit() { _005fjspx_005ftagPool_005fs_005fform_005fstyle_005fmethod_005fid_005fenctype_005faction = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005ffile_005ftheme_005fname_005faccept_005fnobody = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fcheckbox_005ftheme_005fname_005fnobody = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fselect_005ftheme_005fname_005flistValue_005flistKey_005flist_005fnobody = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fproperty_005fvalue_005fnobody = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fiterator_005fvalue = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fa_005fhref = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fa_005fonclick_005fhref = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fa_005fstyle_005fhref = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _005fjspx_005ftagPool_005fs_005fif_005ftest = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig()); _el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory(); _jsp_annotationprocessor = (org.apache.AnnotationProcessor) getServletConfig().getServletContext().getAttribute(org.apache.AnnotationProcessor.class.getName()); } public void _jspDestroy() { _005fjspx_005ftagPool_005fs_005fform_005fstyle_005fmethod_005fid_005fenctype_005faction.release(); _005fjspx_005ftagPool_005fs_005ffile_005ftheme_005fname_005faccept_005fnobody.release(); _005fjspx_005ftagPool_005fs_005fcheckbox_005ftheme_005fname_005fnobody.release(); _005fjspx_005ftagPool_005fs_005fselect_005ftheme_005fname_005flistValue_005flistKey_005flist_005fnobody.release(); _005fjspx_005ftagPool_005fs_005fproperty_005fvalue_005fnobody.release(); _005fjspx_005ftagPool_005fs_005fiterator_005fvalue.release(); _005fjspx_005ftagPool_005fs_005fa_005fhref.release(); _005fjspx_005ftagPool_005fs_005fa_005fonclick_005fhref.release(); _005fjspx_005ftagPool_005fs_005fa_005fstyle_005fhref.release(); _005fjspx_005ftagPool_005fs_005fif_005ftest.release(); } public void _jspService(HttpServletRequest request, HttpServletResponse response) throws java.io.IOException, ServletException { PageContext pageContext = null; HttpSession session = null; ServletContext application = null; ServletConfig config = null; JspWriter out = null; Object page = this; JspWriter _jspx_out = null; PageContext _jspx_page_context = null; try { response.setContentType("text/html;charset=UTF-8"); pageContext = _jspxFactory.getPageContext(this, request, response, null, true, 8192, true); _jspx_page_context = pageContext; application = pageContext.getServletContext(); config = pageContext.getServletConfig(); session = pageContext.getSession(); out = pageContext.getOut(); _jspx_out = out; out.write("\n"); out.write("\n"); out.write("\n"); out.write("\n"); out.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\n"); out.write("\"http://www.w3.org/TR/html4/loose.dtd\">\n"); out.write("\n"); out.write("<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"); out.write(" <head>\n"); out.write(" <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n"); out.write(" <title>个人主页</title>\n"); out.write(" <link href=\"images/favourite.ico\" rel=\"SHORTCUT ICON\" />\n"); out.write(" <link href=\"file/mycss.css\" type=\"text/css\" rel=\"stylesheet\"/>\n"); out.write(" <script type=\"text/javascript\" src=\"file/myscript.js\"></script>\n"); out.write(" <style type=\"text/css\">\n"); out.write(" <!--\n"); out.write(" #apDiv1 {\n"); out.write(" position:absolute;\n"); out.write(" width:334px;\n"); out.write(" height:310px;\n"); out.write(" z-index:1;\n"); out.write(" left: 9px;\n"); out.write(" top: 119px;\n"); out.write(" }\n"); out.write(" #apDiv2 {\n"); out.write(" position:absolute;\n"); out.write(" left: 347px;\n"); out.write(" top: 50px;\n"); out.write(" }\n"); out.write(" -->\n"); out.write("\n"); out.write(" </style>\n"); out.write(" </head>\n"); out.write(" <body>\n"); out.write(" <div id=\"apDiv1\">\n"); out.write(" <ul type=\"circle\">\n"); out.write(" <li><a href=\"user.action\" >我的公共文件</a></li>\n"); out.write(" <li><a href=\"user!getPrivateFile.action\" >我的私密文件</a></li>\n"); out.write(" <li><a href=\"#\" onclick=\"setVisible('form'); return false;\">上传文件</a></li>\n"); out.write(" </ul>\n"); out.write(" "); if (_jspx_meth_s_005fform_005f0(_jspx_page_context)) return; out.write("\n"); out.write(" </div>\n"); out.write(" <div id=\"apDiv2\">\n"); out.write(" <p><label class=\"blue\">"); if (_jspx_meth_s_005fproperty_005f0(_jspx_page_context)) return; out.write("</label></p>\n"); out.write(" <table width=\"585\" border=\"1\" cl