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a-ruoyi-file
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1
readme.md
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@ -0,0 +1 @@
dda

52
src/main/java/com/ruoyi/file/controller/SysFileController.java
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@ -1,10 +1,5 @@
package com.ruoyi.file.controller;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.file.FileUtils;
import com.ruoyi.file.service.ISysFileService;
import com.ruoyi.system.api.domain.SysFile;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
@ -12,14 +7,20 @@ import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.file.FileUtils;
import com.ruoyi.file.service.ISysFileService;
import com.ruoyi.system.api.domain.SysFile;
/**
* 文件请求处理
*
*
* @author ruoyi
*/
@RestController
public class SysFileController {
public class SysFileController
{
private static final Logger log = LoggerFactory.getLogger(SysFileController.class);
@Autowired
@ -29,15 +30,19 @@ public class SysFileController {
* 文件上传请求
*/
@PostMapping("upload")
public R<SysFile> upload(MultipartFile file) {
try {
public R<SysFile> upload(MultipartFile file)
{
try
{
// 上传并返回访问地址
String url = sysFileService.uploadFile(file);
SysFile sysFile = new SysFile();
sysFile.setName(FileUtils.getName(url));
sysFile.setUrl(url);
return R.ok(sysFile);
} catch (Exception e) {
}
catch (Exception e)
{
log.error("上传文件失败", e);
return R.fail(e.getMessage());
}
@ -47,30 +52,21 @@ public class SysFileController {
* 文件删除请求
*/
@DeleteMapping("delete")
public R<Boolean> delete(String fileUrl) {
try {
if (!FileUtils.validateFilePath(fileUrl)) {
public R<Boolean> delete(String fileUrl)
{
try
{
if (!FileUtils.validateFilePath(fileUrl))
{
throw new Exception(StringUtils.format("资源文件({})非法，不允许删除。 ", fileUrl));
}
sysFileService.deleteFile(fileUrl);
return R.ok();
} catch (Exception e) {
}
catch (Exception e)
{
log.error("删除文件失败", e);
return R.fail(e.getMessage());
}
}
/**
* 文件流上传请求
*/
@PostMapping("uploadStream")
public R<String> uploadFileByStream(String filename, String extension, String data) {
try {
return R.ok(sysFileService.uploadFileByData(filename, extension, data));
} catch (Exception e) {
log.error("上传文件失败", e);
return R.fail(e.getMessage());
}
}
}

24
src/main/java/com/ruoyi/file/service/ISysFileService.java
View File

@ -4,35 +4,25 @@ import org.springframework.web.multipart.MultipartFile;
/**
* 文件上传接口
*
*
* @author ruoyi
*/
public interface ISysFileService {
public interface ISysFileService
{
/**
* 文件上传接口
*
*
* @param file 上传的文件
* @return 访问地址
* @throws Exception
*/
String uploadFile(MultipartFile file) throws Exception;
public String uploadFile(MultipartFile file) throws Exception;
/**
* 文件删除接口
*
*
* @param fileUrl 文件访问URL
* @throws Exception
*/
void deleteFile(String fileUrl) throws Exception;
/**
* 文件上传接口
*
* @param filename 上传的文件的名称
* @param extension 上传的文件后缀
* @param out 上传的流
* @return 访问地址
*/
String uploadFileByData(String filename, String extension, String out) throws Exception;
public void deleteFile(String fileUrl) throws Exception;
}

51
src/main/java/com/ruoyi/file/service/LocalSysFileServiceImpl.java
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@ -1,24 +1,22 @@
package com.ruoyi.file.service;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.file.FileUtils;
import com.ruoyi.file.utils.FileUploadUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
/**
* 本地文件存储
*
*
* @author ruoyi
*/
@Primary
@Service
@ConditionalOnProperty(name = "file.storage", havingValue = "local")
public class LocalSysFileServiceImpl implements ISysFileService {
public class LocalSysFileServiceImpl implements ISysFileService
{
/**
* 资源映射路径 前缀
*/
@ -30,7 +28,7 @@ public class LocalSysFileServiceImpl implements ISysFileService {
*/
@Value("${file.domain}")
public String domain;
/**
* 上传文件存储在本地的根路径
*/
@ -39,44 +37,29 @@ public class LocalSysFileServiceImpl implements ISysFileService {
/**
* 本地文件上传接口
*
*
* @param file 上传的文件
* @return 访问地址
* @throws Exception
*/
@Override
public String uploadFile(MultipartFile file) throws Exception {
public String uploadFile(MultipartFile file) throws Exception
{
String name = FileUploadUtils.upload(localFilePath, file);
return domain + localFilePrefix + name;
String url = domain + localFilePrefix + name;
return url;
}
/**
* 本地文件删除接口
*
*
* @param fileUrl 文件访问URL
* @throws Exception
*/
@Override
public void deleteFile(String fileUrl) throws Exception {
public void deleteFile(String fileUrl) throws Exception
{
String localFile = StringUtils.substringAfter(fileUrl, localFilePrefix);
FileUtils.deleteFile(localFilePath + localFile);
}
/**
* 文件上传接口
*
* @param filename 上传的文件的名称
* @param extension 上传的文件后缀
* @param out 上传的流
* @return 访问地址
*/
@Override
public String uploadFileByData(String filename, String extension, String out) throws Exception {
try (ByteArrayInputStream in = new ByteArrayInputStream(out.getBytes())) {
String fileName = FileUploadUtils.extractFilename(filename, extension);
return FileUploadUtils.uploadByStream(localFilePath, fileName, in);
} catch (Exception e) {
throw new Exception("Failed to upload file", e);
}
}
}

69
src/main/java/com/ruoyi/file/service/MinioSysFileServiceImpl.java
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@ -1,5 +1,9 @@
package com.ruoyi.file.service;
import java.io.InputStream;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import com.alibaba.nacos.common.utils.IoUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.file.config.MinioConfig;
@ -7,14 +11,6 @@ import com.ruoyi.file.utils.FileUploadUtils;
import io.minio.MinioClient;
import io.minio.PutObjectArgs;
import io.minio.RemoveObjectArgs;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
/**
* Minio 文件存储
@ -22,8 +18,8 @@ import java.io.InputStream;
* @author ruoyi
*/
@Service
@ConditionalOnProperty(name = "file.storage", havingValue = "minio", matchIfMissing = true)
public class MinioSysFileServiceImpl implements ISysFileService {
public class MinioSysFileServiceImpl implements ISysFileService
{
@Autowired
private MinioConfig minioConfig;
@ -38,9 +34,11 @@ public class MinioSysFileServiceImpl implements ISysFileService {
* @throws Exception
*/
@Override
public String uploadFile(MultipartFile file) throws Exception {
public String uploadFile(MultipartFile file) throws Exception
{
InputStream inputStream = null;
try {
try
{
String fileName = FileUploadUtils.extractFilename(file);
inputStream = file.getInputStream();
PutObjectArgs args = PutObjectArgs.builder()
@ -51,53 +49,34 @@ public class MinioSysFileServiceImpl implements ISysFileService {
.build();
client.putObject(args);
return minioConfig.getUrl() + "/" + minioConfig.getBucketName() + "/" + fileName;
} catch (Exception e) {
}
catch (Exception e)
{
throw new RuntimeException("Minio Failed to upload file", e);
} finally {
}
finally
{
IoUtils.closeQuietly(inputStream);
}
}
/**
* Minio文件删除接口
*
*
* @param fileUrl 文件访问URL
* @throws Exception
*/
@Override
public void deleteFile(String fileUrl) throws Exception {
try {
public void deleteFile(String fileUrl) throws Exception
{
try
{
String minioFile = StringUtils.substringAfter(fileUrl, minioConfig.getBucketName());
client.removeObject(RemoveObjectArgs.builder().bucket(minioConfig.getBucketName()).object(minioFile).build());
} catch (Exception e) {
}
catch (Exception e)
{
throw new RuntimeException("Minio Failed to delete file", e);
}
}
@Override
public String uploadFileByData(String filename, String extension, String out) throws Exception {
try (ByteArrayInputStream in = new ByteArrayInputStream(out.getBytes())) {
String fileName = FileUploadUtils.extractFilename(filename, extension);
System.out.println("========== MinIO Upload Debug ==========");
System.out.println("原始文件名: " + filename);
System.out.println("传入的扩展名: [" + extension + "]");
System.out.println("生成的文件名: " + fileName);
String contentType = FileUploadUtils.getContentType(extension); // 获取文件类型
System.out.println("获取到的 ContentType: " + contentType);
System.out.println("========================================");
PutObjectArgs args = PutObjectArgs.builder()
.bucket(minioConfig.getBucketName())
.object(fileName)
.stream(in, in.available(), -1)
.contentType(contentType)
.build();
client.putObject(args);
return minioConfig.getUrl() + "/" + minioConfig.getBucketName() + "/" + fileName;
} catch (Exception e) {
throw new Exception("Minio Failed to upload file", e);
}
}
}

197
src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
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@ -1,5 +1,11 @@
package com.ruoyi.file.utils;
import java.io.File;
import java.io.IOException;
import java.nio.file.Paths;
import java.util.Objects;
import org.apache.commons.io.FilenameUtils;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.core.exception.file.FileException;
import com.ruoyi.common.core.exception.file.FileNameLengthLimitExceededException;
import com.ruoyi.common.core.exception.file.FileSizeLimitExceededException;
@ -9,23 +15,14 @@ import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.file.FileTypeUtils;
import com.ruoyi.common.core.utils.file.MimeTypeUtils;
import com.ruoyi.common.core.utils.uuid.Seq;
import org.apache.commons.io.FilenameUtils;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Objects;
/**
* 文件上传工具类
*
*
* @author ruoyi
*/
public class FileUploadUtils {
public class FileUploadUtils
{
/**
* 默认大小 50M
*/
@ -40,16 +37,22 @@ public class FileUploadUtils {
* 根据文件路径上传
*
* @param baseDir 相对应用的基目录
* @param file 上传的文件
* @param file 上传的文件
* @return 文件名称
* @throws IOException
*/
public static final String upload(String baseDir, MultipartFile file) throws IOException {
try {
public static final String upload(String baseDir, MultipartFile file) throws IOException
{
try
{
return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
} catch (FileException fe) {
}
catch (FileException fe)
{
throw new IOException(fe.getDefaultMessage(), fe);
} catch (Exception e) {
}
catch (Exception e)
{
throw new IOException(e.getMessage(), e);
}
}
@ -57,20 +60,22 @@ public class FileUploadUtils {
/**
* 文件上传
*
* @param baseDir 相对应用的基目录
* @param file 上传的文件
* @param baseDir 相对应用的基目录
* @param file 上传的文件
* @param allowedExtension 上传文件类型
* @return 返回上传成功的文件名
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws FileNameLengthLimitExceededException 文件名太长
* @throws IOException 比如读写文件出错时
* @throws InvalidExtensionException 文件校验异常
* @throws IOException 比如读写文件出错时
* @throws InvalidExtensionException 文件校验异常
*/
public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
InvalidExtensionException {
InvalidExtensionException
{
int fileNamelength = Objects.requireNonNull(file.getOriginalFilename()).length();
if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH) {
if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
{
throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
}
@ -83,41 +88,31 @@ public class FileUploadUtils {
return getPathFileName(fileName);
}
public static String uploadByStream(String localFilePath, String fileName, ByteArrayInputStream in)
throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException {
String absPath = FileUploadUtils.getAbsoluteFile(localFilePath, fileName).getAbsolutePath();
FileCopyUtils.copy(in, Files.newOutputStream(Paths.get(absPath)));
return FileUploadUtils.getPathFileName(fileName);
}
/**
* 编码文件名
*/
public static final String extractFilename(MultipartFile file) {
public static final String extractFilename(MultipartFile file)
{
return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), FileTypeUtils.getExtension(file));
}
/**
* 编码文件名
*/
public static final String extractFilename(String fileName, String extension) {
return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
FilenameUtils.getBaseName(fileName), Seq.getId(Seq.uploadSeqType), extension);
}
private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException {
private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
{
File desc = new File(uploadDir + File.separator + fileName);
if (!desc.exists()) {
if (!desc.getParentFile().exists()) {
if (!desc.exists())
{
if (!desc.getParentFile().exists())
{
desc.getParentFile().mkdirs();
}
}
return desc.isAbsolute() ? desc : desc.getAbsoluteFile();
}
private static final String getPathFileName(String fileName) throws IOException {
private static final String getPathFileName(String fileName) throws IOException
{
String pathFileName = "/" + fileName;
return pathFileName;
}
@ -127,31 +122,43 @@ public class FileUploadUtils {
*
* @param file 上传的文件
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws InvalidExtensionException 文件校验异常
* @throws InvalidExtensionException 文件校验异常
*/
public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
throws FileSizeLimitExceededException, InvalidExtensionException {
throws FileSizeLimitExceededException, InvalidExtensionException
{
long size = file.getSize();
if (size > DEFAULT_MAX_SIZE) {
if (size > DEFAULT_MAX_SIZE)
{
throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
}
String fileName = file.getOriginalFilename();
String extension = FileTypeUtils.getExtension(file);
if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension)) {
if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION) {
if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
{
if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
{
throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
fileName);
} else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION) {
}
else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION)
{
throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
fileName);
} else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION) {
}
else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION)
{
throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
fileName);
} else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION) {
}
else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION)
{
throw new InvalidExtensionException.InvalidVideoExtensionException(allowedExtension, extension,
fileName);
} else {
}
else
{
throw new InvalidExtensionException(allowedExtension, extension, fileName);
}
}
@ -160,89 +167,19 @@ public class FileUploadUtils {
/**
* 判断MIME类型是否是允许的MIME类型
*
* @param extension 上传文件类型
* @param extension 上传文件类型
* @param allowedExtension 允许上传文件类型
* @return true/false
*/
public static final boolean isAllowedExtension(String extension, String[] allowedExtension) {
for (String str : allowedExtension) {
if (str.equalsIgnoreCase(extension)) {
public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
{
for (String str : allowedExtension)
{
if (str.equalsIgnoreCase(extension))
{
return true;
}
}
return false;
}
public static String getContentType(String FilenameExtension) {
System.out.println("---------- getContentType Debug ----------");
System.out.println("传入的扩展名参数: [" + FilenameExtension + "]");
System.out.println("扩展名长度: " + (FilenameExtension != null ? FilenameExtension.length() : "null"));
// 统一处理：如果没有点，自动添加点
String extension = FilenameExtension;
if (extension != null && !extension.startsWith(".")) {
extension = "." + extension;
System.out.println("扩展名没有点，自动添加后: [" + extension + "]");
}
if (extension.equalsIgnoreCase(".bmp")) {
return "image/bmp";
}
if (extension.equalsIgnoreCase(".gif")) {
return "image/gif";
}
if (extension.equalsIgnoreCase(".jpeg") ||
extension.equalsIgnoreCase(".jpg") ||
extension.equalsIgnoreCase(".png")) {
return "image/jpeg";
}
if (extension.equalsIgnoreCase(".html")) {
return "text/html";
}
if (extension.equalsIgnoreCase(".txt")) {
return "text/plain";
}
if (extension.equalsIgnoreCase(".vsd")) {
return "application/vnd.visio";
}
if (extension.equalsIgnoreCase(".pptx") ||
extension.equalsIgnoreCase(".ppt")) {
return "application/vnd.ms-powerpoint";
}
if (extension.equalsIgnoreCase(".docx") ||
extension.equalsIgnoreCase(".doc")) {
return "application/msword";
}
if (extension.equalsIgnoreCase(".xml")) {
return "text/xml";
}
//PDF
if (extension.equalsIgnoreCase(".pdf")) {
return "application/pdf";
}
//excel
if (".xls".equalsIgnoreCase(extension)) {
return "application/vnd.ms-excel";
}
if (".xlsx".equalsIgnoreCase(extension)) {
return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
}
//waypoints 拓恒+大疆的航线文件类型
System.out.println("检查 waypoints 匹配:");
System.out.println(" 与 '.waypoints' 比较: " + extension.equalsIgnoreCase(".waypoints"));
System.out.println(" 与 '.kmz' 比较: " + extension.equalsIgnoreCase(".kmz"));
if (extension.equalsIgnoreCase(".waypoints") ||
extension.equalsIgnoreCase(".kmz")) {
System.out.println("匹配成功! 返回 application/octet-stream");
return "application/octet-stream";
}
System.out.println("未匹配任何类型，返回默认值 application/octet-stream");
System.out.println("------------------------------------------");
return "application/octet-stream";
}
}

204
src/main/java/com/ruoyi/file/utils/FileUploadUtils_bak.java
View File

@ -1,204 +0,0 @@
package com.ruoyi.file.utils;
import com.ruoyi.common.core.exception.file.FileException;
import com.ruoyi.common.core.exception.file.FileNameLengthLimitExceededException;
import com.ruoyi.common.core.exception.file.FileSizeLimitExceededException;
import com.ruoyi.common.core.exception.file.InvalidExtensionException;
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.file.FileTypeUtils;
import com.ruoyi.common.core.utils.file.MimeTypeUtils;
import com.ruoyi.common.core.utils.uuid.Seq;
import org.apache.commons.io.FilenameUtils;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.multipart.MultipartFile;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Objects;
/**
* 文件上传工具类
*
* @author ruoyi
*/
public class FileUploadUtils_bak {
/**
* 默认大小 50M
*/
public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024L;
/**
* 默认的文件名最大长度 100
*/
public static final int DEFAULT_FILE_NAME_LENGTH = 100;
/**
* 根据文件路径上传
*
* @param baseDir 相对应用的基目录
* @param file 上传的文件
* @return 文件名称
* @throws IOException
*/
public static final String upload(String fileName, String baseDir, MultipartFile file) throws IOException {
try {
return upload(baseDir, fileName, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
} catch (FileException fe) {
throw new IOException(fe.getDefaultMessage(), fe);
} catch (Exception e) {
throw new IOException(e.getMessage(), e);
}
}
/**
* 文件上传
*
* @param baseDir 相对应用的基目录
* @param file 上传的文件
* @param allowedExtension 上传文件类型
* @return 返回上传成功的文件名
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws FileNameLengthLimitExceededException 文件名太长
* @throws IOException 比如读写文件出错时
* @throws InvalidExtensionException 文件校验异常
*/
public static final String upload(String baseDir, String fileName, MultipartFile file, String[] allowedExtension)
throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
InvalidExtensionException {
int fileNameLength = Objects.requireNonNull(file.getOriginalFilename()).length();
assertFileNameLength(fileNameLength);
assertAllowed(file);
assertExtension(file, allowedExtension);
String absPath = getAbsoluteFile(baseDir, fileName).getAbsolutePath();
file.transferTo(Paths.get(absPath));
return getPathFileName(fileName);
}
/**
* 文件上传
*
* @param baseDir 相对应用的基目录
* @param inputStream 上传文件的流
* @param allowedExtension 上传文件类型
* @return 返回上传成功的文件名
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws FileNameLengthLimitExceededException 文件名太长
* @throws IOException 比如读写文件出错时
* @throws InvalidExtensionException 文件校验异常
*/
public static final String upload(String baseDir, String fileName, String extension, InputStream inputStream, String[] allowedExtension)
throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
InvalidExtensionException {
assertFileNameLength(fileName.length() + extension.length());
assertAllowed(inputStream.available());
assertExtension(fileName, extension, allowedExtension);
String absPath = getAbsoluteFile(baseDir, fileName).getAbsolutePath();
FileCopyUtils.copy(inputStream, Files.newOutputStream(Paths.get(absPath)));
return getPathFileName(fileName);
}
private static void assertFileNameLength(int length)
throws FileNameLengthLimitExceededException {
if (length > FileUploadUtils_bak.DEFAULT_FILE_NAME_LENGTH) {
throw new FileNameLengthLimitExceededException(FileUploadUtils_bak.DEFAULT_FILE_NAME_LENGTH);
}
}
/**
* 编码文件名
*/
public static final String extractFilename(MultipartFile file) {
return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), FileTypeUtils.getExtension(file));
}
private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException {
File desc = new File(uploadDir + File.separator + fileName);
if (!desc.exists()) {
if (!desc.getParentFile().exists()) {
desc.getParentFile().mkdirs();
}
}
return desc.isAbsolute() ? desc : desc.getAbsoluteFile();
}
private static final String getPathFileName(String fileName) throws IOException {
String pathFileName = "/" + fileName;
return pathFileName;
}
/**
* 文件大小校验
*
* @param file 上传的文件
* @throws FileSizeLimitExceededException 如果超出最大大小
* @throws InvalidExtensionException 文件校验异常
*/
public static final void assertAllowed(MultipartFile file)
throws FileSizeLimitExceededException, InvalidExtensionException {
long size = file.getSize();
assertAllowed(size);
}
public static final void assertAllowed(long size)
throws FileSizeLimitExceededException, InvalidExtensionException {
if (size > DEFAULT_MAX_SIZE) {
throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
}
}
public static final void assertExtension(MultipartFile file, String[] allowedExtension)
throws FileSizeLimitExceededException, InvalidExtensionException {
String fileName = file.getOriginalFilename();
String extension = FileTypeUtils.getExtension(file);
assertExtension(fileName, extension, allowedExtension);
}
public static final void assertExtension(String fileName, String extension, String[] allowedExtension)
throws FileSizeLimitExceededException, InvalidExtensionException {
if (allowedExtension != null && !
isAllowedExtension(extension, allowedExtension)) {
if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION) {
throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
fileName);
} else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION) {
throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
fileName);
} else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION) {
throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
fileName);
} else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION) {
throw new InvalidExtensionException.InvalidVideoExtensionException(allowedExtension, extension,
fileName);
} else {
throw new InvalidExtensionException(allowedExtension, extension, fileName);
}
}
}
/**
* 判断MIME类型是否是允许的MIME类型
*
* @param extension 上传文件类型
* @param allowedExtension 允许上传文件类型
* @return true/false
*/
public static final boolean isAllowedExtension(String extension, String[] allowedExtension) {
for (String str : allowedExtension) {
if (str.equalsIgnoreCase(extension)) {
return true;
}
}
return false;
}
}