Using Uploadify for file uploads

Last Update:2015-09-06 Source: Internet

Author: User

Tags rar

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Using Uploadify for file uploads

Import the required js,css and other files
Add uploadify.jsp File
Code
<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "
pageencoding= "UTF-8"%>
<%
String path = Request.getcontextpath ();
String basepath = request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/";
%>
<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" >
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 ">
<title>insert title here</title>
<base href= "<%=basePath%>" >
<link href= "<%=basepath%>static/js/uploadify/uploadify.css" rel= "stylesheet" type= "Text/css" >
<script type= "Text/javascript" src= "<%=basepath%>static/js/uploadify/jquery-1.4.2.min.js" ></ Script>
<script type= "Text/javascript" src= "<%=basepath%>static/js/uploadify/swfobject.js" ></script>
<script type= "Text/javascript" src= "<%=basepath%>static/js/uploadify/jquery.uploadify.v2.1.4.min.js" ></script>
<body>
<div id= "Filequeue" ></div>
<label> Pictures: </label>
<div class= "Showimg" >

</div>
<input type= "File" Name= "uploadify" id= "uploadify" style= "width:200px;" />
<p><a href= "javascript:jquery (' #uploadify '). Uploadifyupload ()" > Start uploading </a></p>
</body>
<script type= "Text/javascript" >
Official website: http://www.uploadify.com/
$ (document). Ready (function () {
$ ("#uploadify"). Uploadify ({
' Uploader ': "<%=basepath%>static/js/uploadify/uploadify.swf",
' Script ': "<%=basepath%>uploadfile",//here is the servlet request path, and if the request uses uploadfile.jsp, here is the path to uploadfile.jsp "<%=basepath%>static/js/uploadify/ Uploadfile.jsp "
' Cancelimg ': "<%=basepath%>static/js/uploadify/cancel.png",
' Folder ': "Static/uploads",//upload the file to store the path, please keep the same value as the path in uploadfile.jsp
' Queueid ': "Filequeue",
' Queuesizelimit ': 10,//limit the number of uploaded files
' Fileext ': "*.rar,*.zip",
' Filedesc ': "RAR *.rar",//Restricted file type
' Auto ': false,
' Multi ': true,//allow multiple file uploads
' Simuploadlimit ': 2,//the number of simultaneous runs of the uploaded process
' ButtonText ': "Select Files",
' OnComplete ': function (event, ID, Fileobj, response, data) {
Response return Value: Renamed file name, File save path
var resultarray = Response.split (",");
var realname = resultarray[0];//The name of the picture now, preceded by the picture name with the time, with the extension
Realname = $.trim (realname);
var p = "<%=basepath%>static/uploads/" +realname;
$ (". Showimgs"). attr ("src", p);
}
});
});
</script>
Upload file: Add Servlet method (or use uploadfile.jsp)
(1)//servlet method code
@RequestMapping ("UploadFile")
@ResponseBody
Public String Uploadifystart (httpservletrequest request, httpservletresponse response)
Throws Servletexception, ioexception{
String Savepath = Request.getsession (). Getservletcontext (). Getrealpath ("/");
String PATH = "/static/uploads/";
Savepath = Savepath + PATH;
File F1 = new file (Savepath);
System.out.println (Savepath);
if (!f1.exists ()) {
F1.mkdirs ();
}

Diskfileitemfactory FAC = new Diskfileitemfactory ();
Servletfileupload upload = new Servletfileupload (FAC);
Upload.setheaderencoding ("Utf-8");
List fileList = null;
try {
FileList = upload.parserequest (request);
} catch (Fileuploadexception ex) {
Return "";
}
Iterator<fileitem> it = Filelist.iterator ();
String name = "";
String extname = "";
while (It.hasnext ()) {
Fileitem item = It.next ();
if (!item.isformfield ()) {
Name = Item.getname ();
Long size = Item.getsize ();
String type = Item.getcontenttype ();
SYSTEM.OUT.PRINTLN (Size + "" + type);
if (name = = NULL | | Name.trim (). Equals ("")) {
Continue
}

Extension format:
if (Name.lastindexof (".") >= 0) {
Extname = name.substring (Name.lastindexof ("."));
}

File file = null;
do {
Generate file Name:
Name = Uuid.randomuuid (). toString ();
File = new file (Savepath + name + extname);
} while (File.exists ());

File SaveFile = new file (Savepath + name + extname);
try {
Item.write (SaveFile);
} catch (Exception e) {
E.printstacktrace ();
}
}
}
return name + Extname;
}
(2) uploadfile.jsp implementation upload
uploadfile.jsp Code
<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "pageencoding=" UTF-8 "%>
<%@ page import= "java.io.*, java.util.*, org.apache.commons.fileupload.*"%>
<%@ page import= "org.apache.commons.fileupload.disk.*, org.apache.commons.fileupload.servlet.*"%>
<%!

String PATH = "/static/uploads/";
public void upload (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException {
String Savepath = This.getservletconfig (). Getservletcontext (). Getrealpath ("");
Savepath = Savepath + PATH;
File F1 = new file (Savepath);
System.out.println (Savepath);
if (!f1.exists ()) {
F1.mkdirs ();
}

Diskfileitemfactory FAC = new Diskfileitemfactory ();
Servletfileupload upload = new Servletfileupload (FAC);
Upload.setheaderencoding ("Utf-8");
List fileList = null;
try {
FileList = upload.parserequest (request);
} catch (Fileuploadexception ex) {
Return
}
Iterator<fileitem> it = Filelist.iterator ();
String name = "";
String extname = "";
while (It.hasnext ()) {
Fileitem item = It.next ();
if (!item.isformfield ()) {
Name = Item.getname ();
Long size = Item.getsize ();
String type = Item.getcontenttype ();
SYSTEM.OUT.PRINTLN (Size + "" + type);
if (name = = NULL | | Name.trim (). Equals ("")) {
Continue
}

Extension format:
if (Name.lastindexof (".") >= 0) {
Extname = name.substring (Name.lastindexof ("."));
}

File file = null;
do {
Generate file Name:
Name = Uuid.randomuuid (). toString ();
File = new file (Savepath + name + extname);
} while (File.exists ());

File SaveFile = new file (Savepath + name + extname);
try {
Item.write (SaveFile);
} catch (Exception e) {
E.printstacktrace ();
}
}
}
Response.getwriter (). Print (name + extname);
}
%>
<%
Upload (request, response);
%>

Using Uploadify for file uploads

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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