Struts Learning Summary-04 uploading files

1. upload.jsp

<%@ page language="Java"import="java.util.*"pageencoding="Utf-8"%><%@ taglib uri="/struts-tags"prefix="s"%><%String Path=Request.getcontextpath (); String BasePath= Request.getscheme () +"://"+request.getservername () +":"+request.getserverport () +path+"/";%><! DOCTYPE HTML Public"-//w3c//dtd HTML 4.01 transitional//en">"Myupload"Enctype="Multipart/form-data"> <s:file name="myfile"></s:file> <s:submit value="Submit"></s:submit> </s:form> </body>
2 uploadresult.jsp
<%@ page language="Java"import="java.util.*"pageencoding="GB18030"%><%String Path=Request.getcontextpath (); String BasePath= Request.getscheme () +"://"+request.getservername () +":"+request.getserverport () +path+"/";%><! DOCTYPE HTML >Upload Success!! </body>
3 Uploadaction.java
Package Com.xiping.action;import java.io.file;import java.io.fileinputstream;import java.io.FileOutputStream; Import Java.io.inputstream;import java.io.outputstream;import com.opensymphony.xwork2.ActionSupport; Public classUploadaction extends Actionsupport {PrivateFile myfile;//corresponds to a file that is actually uploaded    PrivateString Myfilefilename;//corresponds to the uploaded file name     PublicFile Getmyfile () {returnmyfile; }     Public voidsetmyfile (File myfile) { This. MyFile =myfile; }     PublicString Getmyfilefilename () {returnMyfilefilename; }     Public voidsetmyfilefilename (String myfilefilename) { This. Myfilefilename =Myfilefilename; } @Override PublicString Execute () throws Exception {InputStream is=NewFileInputStream (myfile); OutputStream OS=NewFileOutputStream ("e://temp3//"+myfilefilename); byte[] buffer =New byte[1024x768]; intLength =0;  while(-1! = (length = is. Read (buffer)) {os.write (buffer,0, length);        } os.close ();  is. Close (); returnSUCCESS; }}
4 Struts.xml
<?xml version="1.0"encoding="UTF-8"? ><! DOCTYPE Struts Public"-//apache software foundation//dtd Struts Configuration 2.3//en" "HTTP://STRUTS.APACHE.ORG/DTDS/STRUTS-2.3.DTD"><struts> <!--all requests to match *.action are handled by STRUTS2-<constant name="struts.action.extension"Value="Action"/> <!--Enable Development mode--<constant name="Struts.devmode"Value="true"/> <!--struts profile changes, reload-<constant name="Struts.configuration.xml.reload"Value="true"/> <!--Set whether the browser caches static content--<constant name="Struts.serve.static.browserCache"Value="false"/> <!--request parameters are encoded--<constant name="struts.i18n.encoding"Value="Utf-8"/> <!--Reload the resource file every time the HTTP request system helps develop-<constant name="Struts.i18n.reload"Value="true"/> <!--file Upload maximum-<constant name="struts.multipart.maxSize"Value="104857600"/> <!--Let struts2 support dynamic method calls--<constant name="struts.enable.DynamicMethodInvocation"Value="true"/> <!--The action name is still slash-and-<constant name="Struts.enable.SlashesInActionNames"Value="false"/> <!--allow expression syntax in tags--<constant name="Struts.tag.altSyntax"Value="true"/> <package name="Struts"extends="Struts-default"> <action name="Myupload" class="com.xiping.action.UploadAction"> <result name="Success">/uploadResult.jsp</result> </action> </package></struts>
Struts Learning Summary-04 uploading files