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Struts
File upload use Struts2, File class
André Asantos
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Posts: 234
posted 13 years ago
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I've got to burn the dada into database but when returning on
JSP
page I only see byte arrays...
please help me...
Action do Struts2 /** * Método Action * @return SUCESS * @return INPUT * @throws IOException * @throws FileNotFoundException * */ @Override public String execute() throws IOException, FileNotFoundException { if (imagemDoUsuario != null) { if (imagemDoUsuarioContentType.startsWith("image")) { FileInputStream in = new FileInputStream(imagemDoUsuario); byte[] dados = new byte[(int)imagemDoUsuario.length()]; in.read(dados); pessoaImagem.setImagem(dados); pessoaImagemDAO.salvarPessoaImagem(pessoaImagem); return populaTodasImagens(); } else { System.out.println("O formato do arquivo é inválido! Não é uma imagem!"); } } System.out.println("É preciso apontar o arquivo a ser importado!"); return INPUT; } JPA @Column(name="imagem") private byte[] imagem; //getters e setters DAO /** * Salva o objeto imagem na base de dados. * @param PessoaImagem */ public void salvarPessoaImagem(PessoaImagem pessoaImagem) { JPAUtil.getInstance().salvar(pessoaImagem); JPAUtil.getInstance().flush(); } JSP (com framework AJAX – EXTjs / EXT TLD) na hora de recuperar a foto <%-- Document : panel_grid_pessoas Created on : 14/09/2010 Author : André Asantos --%> <%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <%@ taglib uri="/struts-tags" prefix="s"%> <%@ taglib tagdir="/WEB-INF/tags/ext" prefix="ext"%> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Sistema de Administração de Conteúdo Digital</title> </head> <script type="text/javascript"> /** * Provê um menu que pode ser utilizado em varias partes do sistema, como contexto ou menustrip */ function crudMenuClick(e){ var contextMenu = new Ext.menu.Menu({ items:[ { icon:'imagens/adminreports.png', text:'Modificar', cls:'x-btn-text-icon', handler:function(){crudPessoa(2);} }, { icon:'imagens/cross.png', text:'Remover', cls:'x-btn-text-icon', handler:function(){crudPessoa(3);} } ] }); e.stopEvent(); var xy = e.getXY(); contextMenu.showAt(xy); } </script> <body> <ext:body> <ext:viewport id="viewGaleriaDeFoto" layout="fit"> <ext:grid.gridPanel id="viewGaleriaDeFoto" layout="fit" frame="true" loadMask="true" onDblclick="crudPessoa(2);" onContextmenu="function(e){crudMenuClick(e);}" stripeRows="true"> <ext:toolbar id="menuCrud" toolbarType="tbar" style="border:0;"> <ext:toolbar.separator /> <ext:toolbar.button text="Adicionar" cls="x-btn-text-icon" icon="imagens/addicon2.gif" onClick="crudPessoa(1);" /> <ext:toolbar.button text="Modificar" cls="x-btn-text-icon" icon="imagens/adminreports.png" onClick="crudPessoa(2);"/> <ext:toolbar.button text="Remover" cls="x-btn-text-icon" icon="imagens/cross.png" onClick="crudPessoa(3);"/> <ext:toolbar.separator /> <ext:toolbar.splitButton text="Exportar" > <ext:menu> <ext:menu.item id="excel" text="Excel" cls="x-btn-text-icon" icon="imagens/excel.png"/> </ext:menu> </ext:toolbar.splitButton> </ext:toolbar> <ext:grid.columnModel sm="new Ext.grid.RowSelectionModel({singleSelect:true})"> <ext:grid.column dataIndex="imagem" header="Imagem" sortable="true" width="300"></ext:grid.column> </ext:grid.columnModel> <ext:data.store url="resultuploaddasimagens.action" autoLoad="true" storeId="galeriaDeFotoStores"> <ext:data.jsonReader root="linhas" totalProperty="total"> <ext:data.fields> <ext:data.field name="imagem" /> </ext:data.fields> </ext:data.jsonReader> </ext:data.store> <ext:pagingToolbar id="pagingBar" toolbarType="bbar" pageSize="30" displayInfo="true" displayMsg="Mostrando {0} - {1} de {2}" emptyMsg="Nenhuma informação encontrada" autoShow="true" autoWidth="true" style="border:0;" /> </ext:grid.gridPanel> </ext:viewport> </ext:body> </body> </html>
thanks in advance!
André AS
teste.GIF
Campbell Ritchie
Marshal
Posts: 79151
377
posted 13 years ago
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I think this ought to be moved to our
Struts
forum.
André Asantos
Ranch Hand
Posts: 234
posted 13 years ago
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any clue?
Don't get me started about those stupid
light bulbs
.
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