Jatarta fileupload instance

xiaoxiao2021-04-07  280

<%

// 1. First

Http://jakarta.apache.org/commons/index.html Download the JAR package of FileUpload and IO and put it in web-inf / lib;

// 2. As follows:

%>

<

% @ Page ContentType = "Text / HTML; Charset = GBK"%>

<

% @ page import = "java.io. *, java.util. *, org.apache.commons.fileupload. *, org.apache.commons.fileUpload.disk. *, org.apache.commons.fileupload.Servlet. * "%>

Upload </ Title></p> <p></ hEAD></p> <p><body bgcolor = "# ffffff" style = "font-family: arial"></p> <p><H1> Jakarta FileUpload Test </ h1></p> <p><form method = "post" action = "upload.jsp" enctype = "multipart / form-data"></p> <p><br></p> <p><br></p> <p>File:</p> <p><Input Type = "file" name = "file" /></p> <p><br></p> <p>TXT:</p> <p><Input Type = "text" name = "txt"></p> <p><Input Type = "Submit" name = "submit" value = "submit"></p> <p><Input Type = "RESET" value = "reset"></p> <p></ form></p> <p></ body></p> <p></ html></p> <p><%</p> <p>Boolean ismultipart = servletfileupload.ismultipartcontent (request);</p> <p>Map Req = new hashmap ();</p> <p>Map uploadfile = new hashmap ();</p> <p>IF (ismultipart) {</p> <p>// Create a factory for disk-based file items</p> <p>FileItemFactory Factory = new diskfileItemfactory ();</p> <p>// Create a New File Upload Handler</p> <p>ServletFileUpload Upload = New ServletFileUpload (factory);</p> <p>// Parse the Request</p> <p>List items = null; / * fileItem * /</p> <p>Try {</p> <p>Items = UPLOAD.PARSEREQUEST (Request);</p> <p>}</p> <p>Catch (fileUploadexception e) {</p> <p>Out.println (e);</p> <p>}</p> <p>// process the uploaded items</p> <p>Iterator it = items.iterator ();</p> <p>While (ore.hasnext ()) {</p> <p>FileItem item = (fileItem) iter.next (); if (item.isformfield ()) {</p> <p>String name = item.getfieldname ();</p> <p>String value = new string (item.getstring (). GetBytes ("ISO8859-1"), "GBK");</p> <p>Req.put (name, value);</p> <p>}</p> <p>Else {</p> <p>String FieldName = item.getfieldname ();</p> <p>UploadFile.Put (FieldName, Item);</p> <p>}</p> <p>}</p> <p>Items.clear ();</p> <p>}</p> <p>IF (! ismultipart) {</p> <p>Return;</p> <p>}</p> <p>// Test</p> <p>//Request.getParameter ("t ");</p> <p>String Key = "txt";</p> <p>String value = req.get (key) .tostring ();</p> <p>Out.println (Key "=" value);</p> <p>// Save Upload File "file"</p> <p>FILEITEM ITEM = (fileItem) UploadFile.get ("File1");</p> <p>OUT.PRINT (ITEM);</p> <p>IF (item! = NULL) {</p> <p>String filepath = item.getname (); // full path file name</p> <p>String filename = filepath.replaceAll ("</p> <p>"," / ");</p> <p>FileName = filename.substring (filename.lastindexof ("/") 1);</p> <p>String contentType = item.getContentType ();</p> <p>Boolean isinMemory = item.isinMemory ();</p> <p>Long sizeinbytes = item.getsize ();</p> <p>FILE UPLOADEDFILE = New File ("E: /" FileName;</p> <p>Try {</p> <p>Item.write (UPLoadedFile);</p> <p>}</p> <p>Catch (Exception E) {}</p> <p>}</p> <p>%></p></div><div class="text-center mt-3 text-grey"> 转载请注明原文地址:https://www.9cbs.com/read-132389.html</div><div class="plugin d-flex justify-content-center mt-3"></div><hr><div class="row"><div class="col-lg-12 text-muted mt-2"><i class="icon-tags mr-2"></i><span class="badge border border-secondary mr-2"><h2 class="h6 mb-0 small"><a class="text-secondary" href="tag-2.html">9cbs</a></h2></span></div></div></div></div><div class="card card-postlist border-white shadow"><div class="card-body"><div class="card-title"><div class="d-flex justify-content-between"><div><b>New Post</b>(<span class="posts">0</span>) </div><div></div></div></div><ul class="postlist list-unstyled"> </ul></div></div><div class="d-none threadlist"><input type="checkbox" name="modtid" value="132389" checked /></div></div></div></div></div><footer class="text-muted small bg-dark py-4 mt-3" id="footer"><div class="container"><div class="row"><div class="col">CopyRight © 2020 All Rights Reserved </div><div class="col text-right">Processed: <b>0.042</b>, SQL: <b>9</b></div></div></div></footer><script src="./lang/en-us/lang.js?2.2.0"></script><script src="view/js/jquery.min.js?2.2.0"></script><script src="view/js/popper.min.js?2.2.0"></script><script src="view/js/bootstrap.min.js?2.2.0"></script><script src="view/js/xiuno.js?2.2.0"></script><script src="view/js/bootstrap-plugin.js?2.2.0"></script><script src="view/js/async.min.js?2.2.0"></script><script src="view/js/form.js?2.2.0"></script><script> var debug = DEBUG = 0; var url_rewrite_on = 1; var url_path = './'; var forumarr = {"1":"Tech"}; var fid = 1; var uid = 0; var gid = 0; xn.options.water_image_url = 'view/img/water-small.png'; </script><script src="view/js/wellcms.js?2.2.0"></script><a class="scroll-to-top rounded" href="javascript:void(0);"><i class="icon-angle-up"></i></a><a class="scroll-to-bottom rounded" href="javascript:void(0);" style="display: inline;"><i class="icon-angle-down"></i></a></body></html><script> var forum_url = 'list-1.html'; var safe_token = '2PvxNEuSsdFQkVRRIbePZx5M5BVD4wh8AzGHgWiCtLvj_2FoAo17V76wkYcQv3Ws46lNpu_2FJZpqvJY6pWtrjGf4Q_3D_3D'; var body = $('body'); body.on('submit', '#form', function() { var jthis = $(this); var jsubmit = jthis.find('#submit'); jthis.reset(); jsubmit.button('loading'); var postdata = jthis.serializeObject(); $.xpost(jthis.attr('action'), postdata, function(code, message) { if(code == 0) { location.reload(); } else { $.alert(message); jsubmit.button('reset'); } }); return false; }); function resize_image() { var jmessagelist = $('div.message'); var first_width = jmessagelist.width(); jmessagelist.each(function() { var jdiv = $(this); var maxwidth = jdiv.attr('isfirst') ? first_width : jdiv.width(); var jmessage_width = Math.min(jdiv.width(), maxwidth); jdiv.find('img, embed, iframe, video').each(function() { var jimg = $(this); var img_width = this.org_width; var img_height = this.org_height; if(!img_width) { var img_width = jimg.attr('width'); var img_height = jimg.attr('height'); this.org_width = img_width; this.org_height = img_height; } if(img_width > jmessage_width) { if(this.tagName == 'IMG') { jimg.width(jmessage_width); jimg.css('height', 'auto'); jimg.css('cursor', 'pointer'); jimg.on('click', function() { }); } else { jimg.width(jmessage_width); var height = (img_height / img_width) * jimg.width(); jimg.height(height); } } }); }); } function resize_table() { $('div.message').each(function() { var jdiv = $(this); jdiv.find('table').addClass('table').wrap('<div class="table-responsive"></div>'); }); } $(function() { resize_image(); resize_table(); $(window).on('resize', resize_image); }); var jmessage = $('#message'); jmessage.on('focus', function() {if(jmessage.t) { clearTimeout(jmessage.t); jmessage.t = null; } jmessage.css('height', '6rem'); }); jmessage.on('blur', function() {jmessage.t = setTimeout(function() { jmessage.css('height', '2.5rem');}, 1000); }); $('#nav li[data-active="fid-1"]').addClass('active'); </script>