package com.baiyyy.yfz.controller;

import java.io.File;

import java.io.IOException;

import java.util.Date;

import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;

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

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.RestController;

import org.springframework.web.multipart.MultipartFile;

import org.springframework.web.multipart.MultipartHttpServletRequest;

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

import com.baiyyy.yfz.core.BaseController;

import com.baiyyy.yfz.util.DateUtil;

import com.baiyyy.yfz.util.PictureUploadPath;

/**

 * 基础服务接口

 *

 * @author 左立军

 *

 */

@RestController

@RequestMapping("/upload")

public class UploadController extends BaseController {

    /**

     * 图片路径配置

     */

    @Autowired

    private PictureUploadPath pictureUploadPath;

    @RequestMapping(value = "/picture", consumes = "multipart/form-data", method = RequestMethod.POST)

    public void picture(@RequestParam("fileUpload") CommonsMultipartFile file) {

        // 判断文件是否存在

        if (!file.isEmpty()) {

            String path = pictureUploadPath.uploadPicturePath + "/"

                    + DateUtil.convertDateToYYYYMMdd(new Date()) + "/";

            File dir = new File(path);

            if (!dir.exists()) {

                dir.mkdirs();

            }

            path += file.getOriginalFilename();

            File localFile = new File(path);

            try {

                file.transferTo(localFile);

            } catch (IllegalStateException | IOException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }

        }

    }

}

多文件上传

@RequestMapping(value = "/picture", consumes = "multipart/form-data", method = RequestMethod.POST)

	public void picture(HttpServletRequest request) {

		String uploadPicturePath = pictureUploadPath.getUploadPicturePath();

		String pathname = uploadPicturePath + "/"

				+ DateUtil.convertDateToYYYYMMdd(new Date()) + "/";

		File file = new File(pathname);

		if (!file.exists()) {

			file.mkdirs();

		}

		MultipartHttpServletRequest muti = (MultipartHttpServletRequest) request;

		System.out.println(muti.getMultiFileMap().size());

		MultiValueMap<String, MultipartFile> map = muti.getMultiFileMap();

		for (Map.Entry<String, List<MultipartFile>> entry : map.entrySet()) {

			List<MultipartFile> list = entry.getValue();

			for (MultipartFile multipartFile : list) {

				try {

					multipartFile.transferTo(new File(pathname

							+ multipartFile.getOriginalFilename()));

				} catch (IllegalStateException | IOException e) {

					e.printStackTrace();

				}

			}

		}

	}

 用到的包
<!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.5</version>
        </dependency>