<form action="<%=request.getContextPath() %>/good/smbUploadFile.action" name="form1" method="post"  theme="simple" enctype="multipart/form-data" >SMB上传文件：<input type="file" name="upload" size="30"/><input type="submit" value="上 传" />
</form>

// 基于SMB协议的文件上传；
private File upload;
private String uploadContentType;
private String uploadFileName;
public File getUpload() {return upload;}public void setUpload(File upload) {this.upload = upload;}public String getUploadContentType() {return uploadContentType;}public void setUploadContentType(String uploadContentType) {this.uploadContentType = uploadContentType;}public String getUploadFileName() {return uploadFileName;}public void setUploadFileName(String uploadFileName) {this.uploadFileName = uploadFileName;}
public String smbUploadFile() {HttpServletRequest request=ServletActionContext.getRequest();try {if(uploadFileName!=null&&!uploadFileName.equals("")){String fileUrl=FileUploadFactory.getFileUpload().upload(upload,"pic", uploadFileName);request.setAttribute("fileUrl", fileUrl);}} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}return SUCCESS;}

package com.trustel.common.file;import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;public class FileUploadFactory {static String CONFIG_FILE_NAME = "/ftp.properties";/*** 获得文件上传的对象* @return* @throws IOException */public static IFileUpload getFileUpload() throws IOException{InputStream in = FileUploadFactory.class.getClassLoader().getResourceAsStream(CONFIG_FILE_NAME);if (in == null){in = FileUploadFactory.class.getClass().getResourceAsStream(CONFIG_FILE_NAME);}Properties p = new Properties();p.load(in);int FILE_UPLOAD_TYPE = Integer.parseInt(p.getProperty("file.upload.type").trim());IFileUpload upload = null;switch (FILE_UPLOAD_TYPE) {case IFileUpload.FILE_UPLOAD_TYPE_FTP://upload = new FTPFileUpload();break;case IFileUpload.FILE_UPLOAD_TYPE_FILE://upload = new LocalFileUpload();break;case IFileUpload.FILE_UPLOAD_TYPE_SMB:upload = new SMBFileUpload();break;}upload.setProperties(p);return upload;}/*** 获取显示URL路径；* @return* @throws IOException*/public static String getUploadURL() throws IOException{InputStream in = FileUploadFactory.class.getClassLoader().getResourceAsStream(CONFIG_FILE_NAME);if (in == null){in = FileUploadFactory.class.getClass().getResourceAsStream(CONFIG_FILE_NAME);}Properties p = new Properties();p.load(in);   int FILE_UPLOAD_TYPE = Integer.parseInt(p.getProperty("file.upload.type").trim());if(FILE_UPLOAD_TYPE==3){return p.getProperty("smb.upload.url").trim(); }else{return p.getProperty("upload.url").trim();  }}/*** 获取上传远程服务器的路径；* @return* @throws IOException*/public static String getUploadPath() throws IOException{InputStream in = FileUploadFactory.class.getClassLoader().getResourceAsStream(CONFIG_FILE_NAME);if (in == null){in = FileUploadFactory.class.getClass().getResourceAsStream(CONFIG_FILE_NAME);}Properties p = new Properties();p.load(in);    int FILE_UPLOAD_TYPE = Integer.parseInt(p.getProperty("file.upload.type").trim());if(FILE_UPLOAD_TYPE==3){return p.getProperty("smb.upload.path").trim();    }else{return p.getProperty("upload.path").trim(); }}
}

SMBFileUpload.java

package com.trustel.common.file;import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import jcifs.smb.SmbFile;
import jcifs.smb.SmbFileOutputStream;/*** 通过网络共享的方式上传文件* @author cai_zr**/
public class SMBFileUpload implements IFileUpload{private String smb_upload_path;private String smb_upload_url; private final static String sysSeparator = System.getProperty("file.separator");public static String FILE_PATH = "tbsm"+sysSeparator+"tbsmfile";public SMBFileUpload(){}public void setProperties(Properties p) {smb_upload_path = p.getProperty("smb.upload.path").trim();smb_upload_url = p.getProperty("smb.upload.url").trim();}public String upload(File file,String filePath, String fileName) {//创建目录        SimpleDateFormat sim=new SimpleDateFormat("yyyyMM");String path=sim.format(new Date()) + "/";String folder=FILE_PATH+sysSeparator+filePath;if (!folder.endsWith("\\")) {folder += "\\";}if ("\\".equals(sysSeparator)) {folder = folder.replace("/", "\\");}folder=folder.replace("\\", "//");String remoteUrl = smb_upload_path + folder;try {System.out.println("remoteUrl:"+remoteUrl);  SmbFile remoteFile1 = new SmbFile(remoteUrl);if (!remoteFile1.exists()) remoteFile1.mkdirs();remoteFile1 = null;} catch (Exception e1) {// TODO Auto-generated catch blocke1.printStackTrace();return null;}//上传文件InputStream in = null;    OutputStream out = null;    SmbFile remoteFile = null;try {    File localFile = file;  SimpleDateFormat sim1=new SimpleDateFormat("yyMMddHHmmssSSS");//上传后的文件名String newFileName=sim1.format(new Date())+"."+fileName.split("\\.")[1];remoteFile = new SmbFile(remoteUrl+sysSeparator+newFileName);    in = new BufferedInputStream(new FileInputStream(localFile));    out = new BufferedOutputStream(new SmbFileOutputStream(remoteFile));    byte[] buffer = new byte[1024];    while (in.read(buffer) != -1) {    out.write(buffer);    buffer = new byte[1024];    }    //System.out.println("SMB Upload:" + localFile.getPath() + " => " + remoteUrl + newFileName);return filePath+sysSeparator+newFileName;} catch (Exception e) {    e.printStackTrace();    } finally {    try {    out.close();    in.close(); remoteFile = null;} catch (IOException e) {    e.printStackTrace();    }    }  return null;}
}

IFileUpload.java

package com.trustel.common.file;import java.io.File;
import java.util.Properties;public interface IFileUpload {//文件上传的方式 ，1FTP，2普通文件上传，3共享上传public static int FILE_UPLOAD_TYPE_FTP = 1;  public static int FILE_UPLOAD_TYPE_FILE = 2;public static int FILE_UPLOAD_TYPE_SMB = 3;/*** 设置配置信息* @param p*/public void setProperties(Properties p);/*** 上传文件，并返回上传文件的URL* @return*/public String upload(File file,String folder,String fileName);}

(4) JSP页面显示图片：

<%String fileUrl=(String)request.getAttribute("fileUrl");String FILE_PATH = "tbsm/tbsmfile";if(fileUrl!=null&&!fileUrl.equals("")){%><img src="<%=FileUploadFactory.getUploadURL() %>/<%=FILE_PATH %>/<%=fileUrl %>" /><%} %>

注释：src路径根据ftp.properties文件中的 smb.upload.url路径读取对应的JSP显示图片。

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@page import="java.io.OutputStream"%>
<%@page import="jcifs.smb.SmbFile"%>
<%@page import="jcifs.smb.SmbFileInputStream"%>
<%@page import="java.text.SimpleDateFormat"%>
<%@page import="com.trustel.common.file.FileUploadFactory"%>
<%
String path = request.getContextPath();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");String FILE_PRE = FileUploadFactory.getUploadPath();//"smb://smb_user:123456@192.168.132.20/test_smb/";
String filePath = request.getParameter("f");
if (filePath == null) {out.print("can't find resource!");return ;
}
String ext = filePath.substring(filePath.lastIndexOf(".")+1);//读取文件扩展名
ext = ext.toLowerCase();String contentType = "";
if (ext.equals("gif")){contentType = "image/GIF";
}else if (ext.equals("jpg")){contentType = "image/JPEG";
}else if (ext.equals("jpeg")){contentType = "image/JPEG";
}else if (ext.equals("png")){contentType = "image/PNG";
}else if (ext.equals("txt")){contentType = "application/octet-stream";String fileName = filePath.substring(filePath.lastIndexOf("//")+2);response.setHeader("Content-Disposition","attachment;filename="+fileName);
}else{
contentType = "application/octet-stream";String fileName = filePath.substring(filePath.lastIndexOf("//")+2);response.setHeader("Content-Disposition","attachment;filename="+fileName);}
/*
if (contentType.length()==0){out.print("can't find resource!");return ;
}*///System.out.println(contentType);
SmbFileInputStream in = null;
OutputStream out1 = null;
out.clear();
try{SmbFile smbFile = new SmbFile(FILE_PRE + filePath);   System.out.println("load:"+ smbFile.getPath()); int length = smbFile.getContentLength();// 得到文件的大小    byte buffer[] = new byte[length];    in = new SmbFileInputStream(smbFile);   out1 = response.getOutputStream();response.setContentType(contentType); int len =0;byte[] bytes = new byte[1024];//System.out.println("============"); while( (len=in.read(bytes)) > 0){out1.write(bytes,0,len);//System.out.println("=="+len);}//out1.flush();out1.close();response.flushBuffer();//在tomcat下加上下面两句才不会出现错误： Servlet.service() for servlet jsp threw exceptionout.clear();out = pageContext.pushBody();
}catch(Exception e){out.print("load resouce error. ");e.printStackTrace();
}finally{if(in != null) in.close();//if(out1 !=null) out1.close();
}
%>

二、下载文件

SMB下载文件：<a href="<%=request.getContextPath() %>/good/handDownLoadFile.action">手动保存</a>

       /*** SMB下载文件 手动保存；* @return* @throws IOException */public String handDownLoadFile() throws IOException{//数据库中存入的文件路径；String fileURL="pic/140509092233296.jpeg";String path=FileUploadFactory.getUploadPath()+"tbsm/tbsmfile/"+fileURL;ServletActionContext.getRequest().setAttribute("filePath",path);ServletActionContext.getRequest().setAttribute("fileName",fileURL.substring(fileURL.lastIndexOf("/")+1));return SUCCESS;}

<%@ page contentType="text/html;charset=UTF-8" %>
<%@ page language="java" import="java.util.*,java.io.*" %>
<%@page import="jcifs.smb.SmbFile"%>
<%@page import="jcifs.smb.SmbFileInputStream"%><%String filePath="";String fileName="";if(request.getAttribute("filePath")!=null && !request.getAttribute("filePath").equals("")){filePath=request.getAttribute("filePath").toString();fileName=request.getAttribute("fileName").toString();String realPath = filePath;SmbFileInputStream in = null;OutputStream os = null;try {//java.io.File file=new java.io.File(realPath);SmbFile file = new SmbFile(realPath);     if(!file.exists()) {out.println("下载的文件不存在！");return;}   out.clear();response.setContentType("application/x-msdownload");response.setHeader("Content-disposition","attachment; filename="+new String(fileName.getBytes(),"ISO8859_1"));   in = new SmbFileInputStream(file); DataInputStream dis=new DataInputStream(in); os = response.getOutputStream();byte[] buf=new byte[1024];int left=(int)file.length();   int read=0;   while(left>0) {read=dis.read(buf);   left-=read;   os.write(buf,0,read);   }   if (true) {return;}  } catch (Exception e) {e.printStackTrace();} finally {      if (in != null) {in.close();  }if (os != null) {os.close();  } }}else{%><script type="text/javascript">history.go(-1);   window.alert('没有附件，不能下载')</script><%}
%>

SMB下载文件：<a href="<%=request.getContextPath() %>/good/autoDownLoadFile.action">自动保存</a>

       /*** SMB下载文件 自动保存；* @return* @throws IOException */public String autoDownLoadFile() throws IOException{//数据库中存入的文件路径；String fileURL="pic/140509092233296.jpeg";String filePath="D://WebApplication/tbsm/tbsmfile/"+fileURL;File file=new File(filePath);//如果文件路径的文件夹不存在，需要创建。String smbPath = FileUploadFactory.getUploadPath(); smbPath+="tbsm/tbsmfile/"+fileURL;SmbFileInputStream in = null;FileOutputStream os = null;SmbFile smbFile = new SmbFile(smbPath);int length = smbFile.getContentLength();// 得到文件的大小    byte buffer[] = new byte[length];    in = new SmbFileInputStream(smbFile);   os = new FileOutputStream(file);int len =0;byte[] bytes = new byte[1024];while( (len=in.read(bytes)) > 0){os.write(bytes,0,len);}os.close();in.close();return SUCCESS;}