SpringMVC上传文件

<!-- 上传的文件的限制 -->

<bean id="multipartResolver"

class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<property name="maxUploadSize" value="10000000" />

<property name="defaultEncoding" value="UTF-8" />

</bean>

public static List<String> imageUpload(HttpServletRequest request, HttpServletResponse response) throws Exception {

CommonsMultipartResolver cmr = new CommonsMultipartResolver(request.getServletContext());

// 上文图片路径

List<String> listFile = new ArrayList<>();

String imageUrl = null;

if (cmr.isMultipart(request)) {

MultipartHttpServletRequest mRequest = (MultipartHttpServletRequest) (request);

List<MultipartFile> listImage = mRequest.getFiles("picture");

if (listImage != null && listImage.size() > 0) {

for (MultipartFile mFile : listImage) {

if (!mFile.isEmpty()) {

String suffix = mFile.getOriginalFilename().substring(mFile.getOriginalFilename().lastIndexOf("."));

suffix = suffix.toLowerCase();

if (suffix.equals(".jpg") || suffix.equals(".jpeg") || suffix.equals(".png")) {

String fileName = UUID.randomUUID().toString();

if (mFile.getSize() < 10000000 && mFile.getSize() > 0) {

PropertiesUtils pro = new PropertiesUtils();

// String path = pro.load("file.properties") +

// "/upload/image";

// 注意 注意 线上获取上传路径地址

String path = request.getServletContext().getRealPath("upload/image/");

File dir = new File(path);

if (!dir.exists()) {

dir.mkdirs();

}

// 缩略图上传路径 start

String desPath = path + "/thum_" + fileName;

// 压缩图片

Thumbnails.of(mFile.getInputStream()).scale(1f).outputQuality(0.38f).toFile(desPath);

imageUrl = request.getRequestURL().toString();

int index = imageUrl.indexOf("xdfstar") + 7;

String url = imageUrl.substring(0, index);

imageUrl = url + "/upload/image/" + "thum_" + fileName + ".JPEG";

request.setAttribute("imageUrl", imageUrl);

// 存放所有上传图片的路径

listFile.add(imageUrl);

} else {

listFile = null;

return listFile;