sftpII
来源：互联网 发布：lumia安装软件 编辑：程序博客网 时间：2024/05/21 09:09
import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.HashMap;import java.util.Map;import javax.servlet.http.HttpServletResponse;import org.apache.commons.logging.Log;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.multipart.MultipartFile;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONObject;import com.jcraft.jsch.ChannelSftp;import com.jcraft.jsch.JSchException;import com.jcraft.jsch.SftpATTRS;import com.jcraft.jsch.SftpException;@Controllerpublic class SftpController { private static final Log logger = org.apache.commons.logging.LogFactory.getLog(SftpController.class); @Autowired private SFTPChannel channel ; @ResponseBody @RequestMapping(value="/sftp/upload" , produces="text/html;charset=UTF-8") public String upLoad(@RequestParam("file") MultipartFile[] files , @RequestParam("host") String host , @RequestParam("port") String port , @RequestParam("username") String username , @RequestParam("password") String password , @RequestParam("targetPath") String targetPath ) throws Exception{ JSONObject responseStr = new JSONObject() ; Map<String, String> sftpDetails = new HashMap<String, String>(); // 设置主机ip，端口，用户名，密码 sftpDetails.put(SFTParam.SFTP_REQ_HOST, host) ; sftpDetails.put(SFTParam.SFTP_REQ_USERNAME, username) ; sftpDetails.put(SFTParam.SFTP_REQ_PASSWORD, password) ; sftpDetails.put(SFTParam.SFTP_REQ_PORT, port) ; sftpDetails.put(SFTParam.SFTP_TARGET_PATH, targetPath) ; logger.info("Processing [upLoad] msg, request parameters:"+JSON.toJSONString(sftpDetails)); ChannelSftp chSftp = new ChannelSftp() ; try{ chSftp = channel.getChannel(sftpDetails, 600) ; }catch(JSchException e){ responseStr.put("retCode", "9999") ; responseStr.put("retMsg", "连接不上sftp!") ; chSftp.quit(); channel.closeChannel(); return responseStr.toJSONString() ; } try{ int k = 0 ; for(MultipartFile file : files){ String fileName = file.getOriginalFilename(); if(fileName == null || fileName.equals("")) continue ; createDir(chSftp , targetPath) ; k++ ; String dst = targetPath + "/" + fileName ; chSftp.put(file.getInputStream() , dst , new FileProgressMonitor(file.getSize()), ChannelSftp.OVERWRITE); } if(k == 0){ responseStr.put("retCode", "9999") ; responseStr.put("retMsg", "上传文件不能为空！") ; logger.info("Processing [upLoad] msg, 上传文件为空！" ); return responseStr.toJSONString() ; } }catch(SftpException e){ responseStr.put("retCode", "9999") ; responseStr.put("retMsg", "上传失败！") ; chSftp.quit(); channel.closeChannel(); return responseStr.toJSONString() ; } chSftp.quit(); channel.closeChannel(); responseStr.put("retCode", "0000") ; responseStr.put("retMsg", "") ; return responseStr.toJSONString() ; } @RequestMapping(value="/sftp/download" , produces="text/html;charset=UTF-8") @ResponseBody public void download(@RequestParam("host") String host , @RequestParam("port") String port , @RequestParam("username") String username , @RequestParam("password") String password , @RequestParam("targetPath") String targetPath , HttpServletResponse response) throws Exception { Map<String, String> sftpDetails = new HashMap<String, String>(); ChannelSftp chSftp = null ; String dst = null ; OutputStream out ; String realName = targetPath.substring(targetPath.lastIndexOf("/") + 1 ) ; // 设置主机ip，端口，用户名，密码 sftpDetails.put(SFTParam.SFTP_REQ_HOST, host) ; sftpDetails.put(SFTParam.SFTP_REQ_USERNAME, username) ; sftpDetails.put(SFTParam.SFTP_REQ_PASSWORD, password) ; sftpDetails.put(SFTParam.SFTP_REQ_PORT, port) ; sftpDetails.put(SFTParam.SFTP_TARGET_PATH, targetPath) ; logger.info("Processing [download] msg, request parameters:"+JSON.toJSONString(sftpDetails)); try{ chSftp = channel.getChannel(sftpDetails, 6000) ; SftpATTRS attr = chSftp.stat(targetPath) ; long fileSize = attr.getSize() ; dst = realName ; out = new FileOutputStream(dst) ; chSftp.get(targetPath, out, new FileProgressMonitor(fileSize)) ; } catch (Exception e){ if(chSftp != null) chSftp.quit(); channel.closeChannel(); logger.info("Processing [download] msg, 连接不上sfpt!") ; } finally{ if(chSftp != null) chSftp.quit(); channel.closeChannel(); } File file = new File(dst); int BUFFER_SIZE = 4096; InputStream in = null; OutputStream out2 = null; try{ response.setHeader("retcode", "0000") ; response.setCharacterEncoding("utf-8") ; response.setHeader("Content-disposition", "attachment; filename= " + realName ) ; response.setContentType("application/octet-stream"); response.setContentLength((int) file.length()); response.setHeader("Accept-Ranges", "bytes"); in = new BufferedInputStream(new FileInputStream(file), BUFFER_SIZE); out2 = new BufferedOutputStream(response.getOutputStream()); byte[] buffer = new byte[BUFFER_SIZE]; int readLength = 0; while ((readLength=in.read(buffer)) > 0) { byte[] bytes = new byte[readLength]; System.arraycopy(buffer, 0, bytes, 0, readLength); out2.write(bytes); } out2.flush(); } catch(Exception e){ logger.info("Processing [download] msg, 文件转换失败！") ; throw e ; } finally { if (in != null) { try { in.close(); } catch (IOException e) { throw e ; } } if (out2 != null) { try { out2.close(); } catch (IOException e) { throw e ; } } } file.delete() ; } @RequestMapping(value="/sftp/downloadCheck" , produces="text/html;charset=UTF-8") @ResponseBody public String candownload(@RequestParam("host") String host , @RequestParam("port") String port , @RequestParam("username") String username , @RequestParam("password") String password , @RequestParam("targetPath") String targetPath ) throws Exception{ JSONObject responseStr = new JSONObject() ; Map<String, String> sftpDetails = new HashMap<String, String>(); // 设置主机ip，端口，用户名，密码 sftpDetails.put(SFTParam.SFTP_REQ_HOST, host) ; sftpDetails.put(SFTParam.SFTP_REQ_USERNAME, username) ; sftpDetails.put(SFTParam.SFTP_REQ_PASSWORD, password) ; sftpDetails.put(SFTParam.SFTP_REQ_PORT, port); sftpDetails.put(SFTParam.SFTP_TARGET_PATH, targetPath) ; logger.info("Processing [candownload] msg, request parameters:"+JSON.toJSONString(sftpDetails)); ChannelSftp chSftp = new ChannelSftp() ; try{ chSftp = channel.getChannel(sftpDetails, 600) ; } catch(JSchException e){ logger.info("Processing [candownload] msg, 连接不上sfpt!") ; responseStr.put("retCode", "9999") ; responseStr.put("retMsg", "连接不上sftp!") ; chSftp.quit() ; return responseStr.toJSONString() ; } SftpATTRS attr ; try{ attr = chSftp.stat(targetPath) ; } catch(SftpException e){ responseStr.put("retCode", "9999") ; responseStr.put("retMsg", "没有此文件，下载失败！") ; chSftp.quit() ; logger.info("Processing [candownload] msg, 没有要下载的文件!") ; return responseStr.toJSONString() ; } chSftp.quit(); channel.closeChannel(); responseStr.put("retCode", "0000") ; responseStr.put("retMsg", "") ; return responseStr.toJSONString() ; } /** * 创建目录 * * @param createpath * @return */ public boolean createDir(ChannelSftp sftp , String createpath) { try { if (isDirExist(sftp , createpath)) { sftp.cd(createpath); return true; } String pathArry[] = createpath.split("/"); StringBuffer filePath = new StringBuffer("/"); for (String path : pathArry) { if (path.equals("")) { continue; } filePath.append(path + "/"); if (isDirExist(sftp , filePath.toString())) { sftp.cd(filePath.toString()); } else { // 建立目录 sftp.mkdir(filePath.toString()); // 进入并设置为当前目录 sftp.cd(filePath.toString()); } } sftp.cd(createpath); return true; } catch (SftpException e) { e.printStackTrace(); } return false; } /** * 判断目录是否存在 * * @param directory * @return */ public boolean isDirExist(ChannelSftp sftp , String directory) { boolean isDirExistFlag = false; try { SftpATTRS sftpATTRS = sftp.lstat(directory); isDirExistFlag = true; return sftpATTRS.isDir(); } catch (Exception e) { if (e.getMessage().toLowerCase().equals("no such file")) { isDirExistFlag = false; } } return isDirExistFlag; }} 1 0
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