java spring mvc restful 上传文件

spring mvc 配置文件

<bean class="com.baiyyy.yfz.core.RestfulHandlerMethodMapping" />
        <bean id="multipartResolver"  
            class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  
            <property name="defaultEncoding" value="utf-8" />  
            <property name="maxUploadSize" value="10485760000" />  
            <property name="maxInMemorySize" value="40960" />  
        </bean>

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>