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+package com.boman.common.core.utils.file;
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+
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+import java.io.File;
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+import java.io.IOException;
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+
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+import com.boman.common.core.config.HuaWeiConfig;
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+import com.boman.common.core.config.NginxConfig;
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+import com.boman.common.core.config.RuoYiConfig;
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+import com.boman.common.core.constant.Constants;
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+import com.boman.common.core.exception.file.FileNameLengthLimitExceededException;
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+import com.boman.common.core.exception.file.FileSizeLimitExceededException;
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+import com.boman.common.core.exception.file.InvalidExtensionException;
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+import com.boman.common.core.utils.DateUtils;
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+import com.boman.common.core.utils.IdUtils;
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+import com.boman.common.core.utils.StringUtils;
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+import org.apache.commons.io.FilenameUtils;
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+import org.springframework.web.multipart.MultipartFile;
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+
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+
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+/**
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+ * 文件上传工具类
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+ *
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+ * @author ruoyi
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+ */
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+public class FileUploadUtils {
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+ /**
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+ * 默认大小 50M
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+ */
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+ public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024;
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+
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+ /**
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+ * 默认的文件名最大长度 100
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+ */
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+ public static final int DEFAULT_FILE_NAME_LENGTH = 100;
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+
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+ /**
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+ * 默认上传的地址
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+ */
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+ private static String defaultBaseDir = RuoYiConfig.getProfile();
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+
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+ public static void setDefaultBaseDir(String defaultBaseDir) {
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+ FileUploadUtils.defaultBaseDir = defaultBaseDir;
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+ }
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+
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+ public static String getDefaultBaseDir() {
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+ return defaultBaseDir;
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+ }
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+
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+ /**
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+ * 以默认配置进行文件上传
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+ *
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+ * @param file 上传的文件
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+ * @return 文件名称
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+ * @throws Exception
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+ */
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+ public static final String upload(MultipartFile file) throws IOException {
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+ try {
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+ return upload(getDefaultBaseDir(), file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
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+ } catch (Exception e) {
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+ throw new IOException(e.getMessage(), e);
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+ }
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+ }
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+
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+ /**
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+ * 根据文件路径上传
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+ *
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+ * @param baseDir 相对应用的基目录
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+ * @param file 上传的文件
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+ * @return 文件名称
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+ * @throws IOException
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+ */
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+ public static final String upload(String baseDir, MultipartFile file) throws IOException {
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+ try {
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+ return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
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+ } catch (Exception e) {
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+ throw new IOException(e.getMessage(), e);
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+ }
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+ }
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+
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+ /**
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+ * 文件上传
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+ *
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+ * @param baseDir 相对应用的基目录
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+ * @param file 上传的文件
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+ * @param allowedExtension 上传文件类型
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+ * @return 返回上传成功的文件名
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+ * @throws FileSizeLimitExceededException 如果超出最大大小
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+ * @throws FileNameLengthLimitExceededException 文件名太长
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+ * @throws IOException 比如读写文件出错时
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+ * @throws InvalidExtensionException 文件校验异常
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+ */
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+ public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
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+ throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
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+ InvalidExtensionException {
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+ int fileNamelength = file.getOriginalFilename().length();
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+ if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH) {
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+ throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
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+ }
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+
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+ assertAllowed(file, allowedExtension);
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+
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+ String fileName = extractFilename(file);
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+
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+ String pathFileName = saveFile(baseDir, fileName, file);
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+ return pathFileName;
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+ }
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+
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+ public static String saveFile(String baseDir, String fileName, MultipartFile file) throws IOException {
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+ String pathFileName = null;
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+ if (HuaWeiConfig.isEnabled()) {
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+ pathFileName = HuaWeiConfig.saveHuaWeiOBS(baseDir, fileName, file);
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+ } else if (NginxConfig.isEnabled()) {
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+ pathFileName = saveNginx(baseDir, fileName, file);
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+ } else {
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+ pathFileName = saveTheLocal(baseDir, fileName, file);
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+ }
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+ return pathFileName;
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+ }
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+
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+
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+ public static String saveTheLocal(String baseDir, String fileName, MultipartFile file) throws IOException {
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+ File desc = getAbsoluteFile(baseDir, fileName);
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+ file.transferTo(desc);
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+ return getPathFileName(baseDir, fileName);
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+ }
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+
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+ public static String saveNginx(String baseDir, String fileName, MultipartFile file) throws IOException {
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+ File desc = getAbsoluteFile(NginxConfig.getPath() + baseDir, fileName);
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+ file.transferTo(desc);
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+ return NginxConfig.getUrl() + getPathFileName(NginxConfig.getPath() + baseDir, fileName);
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+ }
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+
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+
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+ /**
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+ * 编码文件名
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+ */
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+ public static final String extractFilename(MultipartFile file) {
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+ String fileName = file.getOriginalFilename();
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+ String extension = getExtension(file);
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+ fileName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
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+ return fileName;
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+ }
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+
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+ private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException {
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+ File desc = new File(uploadDir + File.separator + fileName);
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+
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+ if (!desc.getParentFile().exists()) {
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+ desc.getParentFile().mkdirs();
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+ }
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+ if (!desc.exists()) {
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+ desc.createNewFile();
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+ }
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+ return desc;
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+ }
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+
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+ private static final String getPathFileName(String uploadDir, String fileName) throws IOException {
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+ int dirLastIndex = RuoYiConfig.getProfile().length() + 1;
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+ String currentDir = StringUtils.substring(uploadDir, dirLastIndex);
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+ String pathFileName = Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
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+ return pathFileName;
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+ }
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+
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+ /**
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+ * 文件大小校验
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+ *
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+ * @param file 上传的文件
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+ * @return
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+ * @throws FileSizeLimitExceededException 如果超出最大大小
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+ * @throws InvalidExtensionException
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+ */
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+ public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
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+ throws FileSizeLimitExceededException, InvalidExtensionException {
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+ long size = file.getSize();
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+ if (DEFAULT_MAX_SIZE != -1 && size > DEFAULT_MAX_SIZE) {
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+ throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
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+ }
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+
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+ String fileName = file.getOriginalFilename();
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+ String extension = getExtension(file);
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+ if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension)) {
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+ if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION) {
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+ throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
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+ fileName);
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+ } else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION) {
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+ throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
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+ fileName);
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+ } else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION) {
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+ throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
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+ fileName);
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+ } else {
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+ throw new InvalidExtensionException(allowedExtension, extension, fileName);
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+ }
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+ }
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+
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+ }
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+
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+ /**
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+ * 判断MIME类型是否是允许的MIME类型
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+ *
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+ * @param extension
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+ * @param allowedExtension
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+ * @return
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+ */
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+ public static final boolean isAllowedExtension(String extension, String[] allowedExtension) {
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+ for (String str : allowedExtension) {
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+ if (str.equalsIgnoreCase(extension)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+ }
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+
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+ /**
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+ * 获取文件名的后缀
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+ *
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+ * @param file 表单文件
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+ * @return 后缀名
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+ */
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+ public static final String getExtension(MultipartFile file) {
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+ String extension = FilenameUtils.getExtension(file.getOriginalFilename());
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+ if (StringUtils.isEmpty(extension)) {
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+ extension = MimeTypeUtils.getExtension(file.getContentType());
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+ }
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+ return extension;
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+ }
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+}
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