UplogdDialog+Struts2文件上傳.doc

Extjs UploadDialog+Struts2的多文件上傳 2012/7/18需要弄清以下幾點(diǎn)：1. Extjs控件的實(shí)現(xiàn)Ext.ux.UploadDialog.Dialog2. Struts2文件上傳機(jī)制 主要是配置文件struts.xml applicationContext.xml (此處不涉及數(shù)據(jù)庫的問題，直接上傳到服務(wù)器)3. 用I/O流對(duì)文件進(jìn)行保存（緩沖流對(duì)文件的讀寫復(fù)制）Upload.jsp網(wǎng)站管理 /引用ext包Ext.onReady(function() var dialog = new Ext.ux.UploadDialog.Dialog( title: Upload , id:uploadDialog, url:/file/certFileAction_upload.action, post_var_name:file, width : 450, height : 300, minWidth : 450, minHeight : 300, draggable : true , resizable : true , constraintoviewport: true , modal: true , reset_on_hide: false , allow_close_on_upload: true , /關(guān)閉上傳窗口是否仍然上傳文件 permitted_extensions: xls,xlsx, /upload_autostart: true /是否自動(dòng)上傳文件 upload_autostart: false ); dialog.on( uploadsuccess , onUploadSuccess); /定義上傳成功回調(diào)函數(shù) dialog.on( uploadfailed , onUploadFailed); /定義上傳失敗回調(diào)函數(shù) dialog.show(););/文件上傳成功后的回調(diào)函數(shù) onUploadSuccess = function() / alert(上傳成功！); ; /文件上傳失敗后的回調(diào)函數(shù) onUploadFailed = function() / alert(上傳失敗); ; CertFileAction.javapackage com.hisencyber.platform.web.action;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import javax.servlet.http.HttpServletResponse;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.util.Date;import mons.fileupload.util.Streams;import org.apache.struts2.ServletActionContext;import com.hisencyber.platform.exception.BussinessException;public class CertFileAction public void upload() throws IOException, BussinessException response = ServletActionContext.getResponse(); response.setContentType(text/html;charset=utf-8); /文件上傳后存放的路徑目錄 String fileBasePath = ServletActionContext.getServletContext().getRealPath(/); System.out.println(fileBasePath :+fileBasePath); File fullPath = new File(fileBasePath + /upload/); /設(shè)置文件保存路徑 if(!fullPath.exists() fullPath.mkdirs(); BufferedInputStream bis = null; BufferedOutputStream bos =null; try for(int i = 0; i file.length; i+) File file1 = filei; System.out.println(fileFileName :+fileFileName); try bis = new BufferedInputStream(new FileInputStream(fi le1); String fileName = new Date().getTime()+.xls; String path=fullPath.getPath()+/+fileName; bos = new BufferedOutputStream(new FileOutputStream (new File(path); Streams.copy(bis, bos, true); System.out.println(上傳成功1個(gè)！); /每上傳成功一個(gè)文件都會(huì)顯示，多文件的上傳實(shí)際是單個(gè)文件的連續(xù)上傳 catch(Exception e)e.printStackTrace(); response.getWriter().print(success:true,message:上傳成功); /java代碼中，response返回的字符串是必須的，如果沒有寫返回，則前面dialog的grid框中總是提示上傳錯(cuò)誤。因?yàn)闆]有收到success的標(biāo)識(shí) /讀取和寫入文件* catch (Exception e)response.setContentType(text/html;charset=utf-8);response.getWriter().print(success:false,message:上傳失敗);e.printStackTrace(); private File file;private String uploadFileNames;private String uploadContentTypes; /用于封裝上傳文件的文件名和文件類型private String fileFileName; /上傳文件的文件名，可以直接獲取private String fileContentType;private HttpServletResponse response ;public File getFile()return file;public void setFile(File file)this.file = file;public String getUploadFileNames()return uploadFileNames;public void setUploadFileNames(String uploadFileNames)this.uploadFileNames = uploadFileNames;public String getUploadContentTypes()return uploadContentTypes;public void setUploadContentTypes(String uploadContentTypes)this.uploadContentTypes = uploadContentTypes;public String getFileFileName() return fileFileName;public void setFileFileName(String fileFileName) this.fileFileName = fileFileName;public Strin