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In this post, We will discuss how to allow the user to upload a file using Struts framework. to enable the user to upload a file,We need to set the encoding type of html:form tag to "multipart/form-data" and specify the HTTP method as "post".The property file in the FileUploadForm is of type org.apache.struts.upload.FormFile.
Create upload.jsp :-
Now Create FileUploadAction class :-
Create upload.jsp :-
| <html> <head> <title> Upload File</title> </head> <body> <html:errors /> <html:form action="/FileUploadUpdate" method="post" enctype="multipart/form-data"> Select File : <html:file property="userfile" /> <br/> <html:submit /> </html:form> </body> </html> |
Now Create FileUploadAction class :-
| package WiseDeveloper.co.in; import java.io.File; import java.io.FileOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionForward; import org.apache.struts.upload.FormFile; public class FileUploadAction extends org.apache.struts.action.Action { private final static String Key = "success"; public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { ImageUploadForm uploadForm = (ImageUploadForm) form; FileOutputStream outputStream = null; FormFile formFile = null; try { formFile = uploadForm.getFile(); String path = getServlet().getServletContext().getRealPath("")+"/"+ formFile.getFileName(); outputStream = new FileOutputStream(new File(path)); outputStream.write(formFile.getFileData()); } finally { if (outputStream != null) { outputStream.close(); } } uploadForm.setMessage("The File is uploaded successfully."); return mapping.findForward(Key); } } |
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