package com.smbea.controller;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.util.Iterator;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.io.FileUtils;

import org.apache.log4j.Logger;

import org.springframework.context.annotation.Scope;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RequestParam;

import org.springframework.web.bind.annotation.ResponseBody;

import org.springframework.web.multipart.MultipartFile;

import org.springframework.web.multipart.MultipartHttpServletRequest;

import org.springframework.web.multipart.commons.CommonsMultipartFile;

import com.smbea.po.Member;

import com.smbea.utils.CommonUtils;

import com.smbea.utils.Constants;

/**

 * 文件上传

 * @author hapday

 * 2015年5月21日  下午12:03:22

 */

@Controller

@Scope(value = "prototype")

@RequestMapping(value = "/demo")

public class FileUploadController {

	private static final Logger logger = Logger.getLogger(FileUploadController.class);

	/**

	 * 多文件上传

	 * @param name

	 * @param commonsMultipartFiles

	 * @param request

	 * @return

	 */

	@RequestMapping(value = "/file/fileUpload1", method = RequestMethod.POST)

	public @ResponseBody String fileUpload1(@RequestParam("name") String name,

				@RequestParam("fileToUpload") CommonsMultipartFile [] commonsMultipartFiles, HttpServletRequest request) {

		long startTime = System.currentTimeMillis();

		logger.info("FileUploadController-fileUpload1-startTime=" + startTime);

		if(null == commonsMultipartFiles || 0 == commonsMultipartFiles.length){

			return Constants.FAILURE;

		}

		for(int index = 0, length = commonsMultipartFiles.length; index < length; index++){

			CommonsMultipartFile commonsMultipartFile = commonsMultipartFiles[index];

			if(null == commonsMultipartFile || commonsMultipartFile.isEmpty()){

				continue;

			}

			String originalFilename = commonsMultipartFile.getOriginalFilename();

			String contentType = commonsMultipartFile.getContentType();

			String fileName = commonsMultipartFile.getName();

			long fileSize = commonsMultipartFile.getSize();

			logger.info("name = " + name + ", originalFilename = " + originalFilename

					+ ", contentType = " + contentType + ", fileName = " + fileName

					+ ", fileSize = " + fileSize);

//			String extensionName = originalFilename.substring(originalFilename.indexOf("."));		// 扩展名

			String newFileName = CommonUtils.UUIDGenerator() + "_" + originalFilename;

			String destinationPath = request.getSession().getServletContext().getRealPath("/upload/" + newFileName);		// 存放位置

			logger.info("destinationPath = " + destinationPath);

			File destFile = new File(destinationPath);

			try {

				FileUtils.copyInputStreamToFile(commonsMultipartFile.getInputStream(), destFile);

			} catch (IOException e) {

				e.printStackTrace();

			}

			Member member = new Member();

			member.setName(name);

//			member.setPhotoPath("/upload/" + newFileName);

		}

		logger.info("FileUploadController-fileUpload1-耗时=" + (System.currentTimeMillis() - startTime));

		return Constants.SUCCESS;

	}

	@RequestMapping(value = "/file/fileUpload2", method = RequestMethod.POST)

	public @ResponseBody String fileUpload2(@RequestParam("name") String name,

			HttpServletRequest request) {

		long startTime = System.currentTimeMillis();

		logger.info("FileUploadController-fileUpload2-startTime=" + startTime);

        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;

        MultipartFile multipartFile = multipartRequest.getFile("fileToUpload");

//        CommonsMultipartFile commonsMultipartFile = (CommonsMultipartFile) multipartRequest;

		if(null == multipartFile){

			return Constants.FAILURE;

		}

		String originalFilename = multipartFile.getOriginalFilename();

		String contentType = multipartFile.getContentType();

		String fileName = multipartFile.getName();

		long fileSize = multipartFile.getSize();

		logger.info("name = " + name + ", originalFilename = " + originalFilename

				+ ", contentType = " + contentType + ", fileName = " + fileName

				+ ", fileSize = " + fileSize);

//			String extensionName = originalFilename.substring(originalFilename.indexOf("."));		// 扩展名

		String newFileName = CommonUtils.UUIDGenerator() + "_" + originalFilename;

		String destinationPath = request.getSession().getServletContext().getRealPath("/upload/" + newFileName);		// 存放位置

		logger.info("destinationPath = " + destinationPath);

		File destFile = new File(destinationPath);

		try {

			FileUtils.copyInputStreamToFile(multipartFile.getInputStream(), destFile);

		} catch (IOException e) {

			e.printStackTrace();

		}

		Member member = new Member();

		member.setName(name);

//		member.setPhotoPath("/upload/" + newFileName);

		logger.info("FileUploadController-fileUpload2-耗时=" + (System.currentTimeMillis() - startTime));

		return Constants.SUCCESS;

	}

	/**

	 * 文件上传

	 * @param name

	 * @param commonsMultipartFiles

	 * @param request

	 * @return

	 */

	@RequestMapping(value = "/file/fileUpload3", method = RequestMethod.POST)

	public @ResponseBody String fileUpload3(@RequestParam("name") String name,

				@RequestParam("fileToUpload") CommonsMultipartFile commonsMultipartFile, HttpServletRequest request) {

		long startTime = System.currentTimeMillis();

		logger.info("FileUploadController-fileUpload1-startTime=" + startTime);

		if(null == commonsMultipartFile){

			return Constants.FAILURE;

		}

		String originalFileName = commonsMultipartFile.getOriginalFilename();

		String contentType = commonsMultipartFile.getContentType();

		String fileName = commonsMultipartFile.getName();

		long fileSize = commonsMultipartFile.getSize();

		logger.info("name = " + name + ", originalFilename = " + originalFileName

				+ ", contentType = " + contentType + ", fileName = " + fileName

				+ ", fileSize = " + fileSize);

//			String extensionName = originalFilename.substring(originalFilename.indexOf("."));		// 扩展名

		String newFileName = CommonUtils.UUIDGenerator() + "_" + originalFileName;

		String destinationPath = request.getSession().getServletContext().getRealPath("/upload/" + newFileName);		// 存放位置

		logger.info("destinationPath = " + destinationPath);

		File destFile = new File(destinationPath);

		try {

			FileUtils.copyInputStreamToFile(commonsMultipartFile.getInputStream(), destFile);

		} catch (IOException e) {

			e.printStackTrace();

		}

		Member member = new Member();

		member.setName(name);

//		member.setPhotoPath("/upload/" + newFileName);

		logger.info("FileUploadController-fileUpload3-耗时=" + (System.currentTimeMillis() - startTime));

		return Constants.SUCCESS;

	}

	@RequestMapping(value = "/file/fileUpload4", method = RequestMethod.POST)

	public @ResponseBody String fileUpload4(@RequestParam("name") String name, @RequestParam("fileToUpload") CommonsMultipartFile commonsMultipartFile,

			HttpServletRequest request) {

		long startTime = System.currentTimeMillis();

		logger.info("FileUploadController-fileUpload4-startTime=" + startTime);

		if(null == commonsMultipartFile){

			return Constants.FAILURE;

		}

		String originalFilename = commonsMultipartFile.getOriginalFilename();

		String contentType = commonsMultipartFile.getContentType();

		String fileName = commonsMultipartFile.getName();

		long fileSize = commonsMultipartFile.getSize();

		logger.info("name = " + name + ", originalFilename = " + originalFilename

				+ ", contentType = " + contentType + ", fileName = " + fileName

				+ ", fileSize = " + fileSize);

//			String extensionName = originalFilename.substring(originalFilename.indexOf("."));		// 扩展名

		String newFileName = CommonUtils.UUIDGenerator() + "_" + originalFilename;

		String destinationPath = request.getSession().getServletContext().getRealPath("/upload/" + newFileName);		// 存放位置

		logger.info("destinationPath = " + destinationPath);

		File destFile = new File(destinationPath);

		try {

			FileUtils.copyInputStreamToFile(commonsMultipartFile.getInputStream(), destFile);

		} catch (IOException e) {

			e.printStackTrace();

		}

		Member member = new Member();

		member.setName(name);

//		member.setPhotoPath("/upload/" + newFileName);

		logger.info("FileUploadController-fileUpload4-耗时=" + (System.currentTimeMillis() - startTime));

		return Constants.SUCCESS;

	}

	/**

	 * 多文件上传

	 * @param name

	 * @param multipartRequest

	 * @param request

	 * @return

	 */

	@RequestMapping(value = "/file/fileUpload5", method = RequestMethod.POST)

	public @ResponseBody String fileUpload5(@RequestParam("name") String name,

			HttpServletRequest request) {

		long startTime = System.currentTimeMillis();

		logger.info("FileUploadController-fileUpload5-startTime=" + startTime);

        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;   

		if(null == multipartRequest || !multipartRequest.getFileNames().hasNext()){

			return Constants.FAILURE;

		}

		for (Iterator<?> fileIterator = multipartRequest.getFileNames(); fileIterator.hasNext();) {

	        String key = (String) fileIterator.next();

	        MultipartFile multipartFile = multipartRequest.getFile(key);  

	        if(null == multipartFile || 0 == multipartFile.getSize()){

	        	continue;

	        }

			String originalFilename = multipartFile.getOriginalFilename();

			String contentType = multipartFile.getContentType();

			String fileName = multipartFile.getName();

			long fileSize = multipartFile.getSize();

			logger.info("name = " + name + ", originalFilename = "

					+ originalFilename + ", contentType = " + contentType

					+ ", fileName = " + fileName + ", fileSize = " + fileSize);

			String newFileName = CommonUtils.UUIDGenerator() + "_"

					+ originalFilename;

			String fileUploadPath = multipartRequest.getSession()

					.getServletContext()

					.getRealPath(Constants.FILE_UPLOAD_PATH);

			logger.info("fileUploadPath = " + fileUploadPath);

			try {

				this.saveFileFromInputStream(multipartFile.getInputStream(),

						fileUploadPath, newFileName);

			} catch (Exception e) {

				e.printStackTrace();

			}  

			Member member = new Member();

			member.setName(name);

//			member.setPhotoPath(Constants.FILE_UPLOAD_PATH + newFileName);

	    }  

		logger.info("FileUploadController-fileUpload5-耗时=" + (System.currentTimeMillis() - startTime));

		return Constants.SUCCESS;

	}

	@RequestMapping(value = "/file/fileUpload6", method = RequestMethod.POST)

	public @ResponseBody String fileUpload6(@RequestParam("name") String name, MultipartHttpServletRequest multipartRequest,

			HttpServletRequest request) {

		long startTime = System.currentTimeMillis();

		logger.info("FileUploadController-fileUpload6-startTime=" + startTime);

//        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;

//        MultipartFile multipartFile = multipartRequest.getFile("fileToUpload");

//        CommonsMultipartFile commonsMultipartFile = (CommonsMultipartFile) multipartRequest;

		if(null == multipartRequest || !multipartRequest.getFileNames().hasNext()){

			return Constants.FAILURE;

		}

		for (Iterator<?> fileIterator = multipartRequest.getFileNames(); fileIterator.hasNext();) {

			String key = (String) fileIterator.next();

			MultipartFile multipartFile = multipartRequest.getFile(key);  

			if(null == multipartFile || 0 == multipartFile.getSize()){

				continue;

			}

			String originalFilename = multipartFile.getOriginalFilename();

			String contentType = multipartFile.getContentType();

			String fileName = multipartFile.getName();

			long fileSize = multipartFile.getSize();

			logger.info("name = " + name + ", originalFilename = "

					+ originalFilename + ", contentType = " + contentType

					+ ", fileName = " + fileName + ", fileSize = " + fileSize);

			String newFileName = CommonUtils.UUIDGenerator() + "_"

					+ originalFilename;

			String fileUploadPath = multipartRequest.getSession()

					.getServletContext()

					.getRealPath(Constants.FILE_UPLOAD_PATH);

			logger.info("fileUploadPath = " + fileUploadPath);

			try {

				this.saveFileFromInputStream(multipartFile.getInputStream(),

						fileUploadPath, newFileName);

			} catch (Exception e) {

				e.printStackTrace();

			}  

			Member member = new Member();

			member.setName(name);

//			member.setPhotoPath(Constants.FILE_UPLOAD_PATH + newFileName);

		}  

		logger.info("FileUploadController-fileUpload6-耗时=" + (System.currentTimeMillis() - startTime));

		return Constants.SUCCESS;

	}

	/**

	 * 保存文件到制定目录

	 * @param inputStream

	 * @param fileUploadPath

	 * @param newFileName

	 * @throws IOException

	 */

	private void saveFileFromInputStream(InputStream inputStream, String fileUploadPath,

			String newFileName) throws IOException {

		File file = new File(fileUploadPath, newFileName);

		if(!file.exists()){

			file.createNewFile();

		}

		FileOutputStream fileOutputStream = new FileOutputStream(file);

		byte[] buffer = new byte[1024 * 1024];

		int bytesum = 0;

		int byteread = 0;

		while ((byteread = inputStream.read(buffer)) != -1) {

			bytesum += byteread;

			fileOutputStream.write(buffer, 0, byteread);

			fileOutputStream.flush();

		}

		fileOutputStream.close();

		inputStream.close();

		logger.info("*** bytesum = " + bytesum);

	}

}

　　

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