Spring文件上传Demo

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);
	}
}