From 23855599412c4d61b38d78f0f3abd3430a48b5b1 Mon Sep 17 00:00:00 2001
From: zhangherong <571457620@qq.com>
Date: 星期三, 25 六月 2025 11:51:38 +0800
Subject: [PATCH] Merge branch 'mdc_hyjs_master'
---
lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java | 352 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 352 insertions(+), 0 deletions(-)
diff --git a/lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java b/lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java
new file mode 100644
index 0000000..10a2842
--- /dev/null
+++ b/lxzn-boot-base-core/src/main/java/org/jeecg/common/util/FileUtil.java
@@ -0,0 +1,352 @@
+package org.jeecg.common.util;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.jeecg.common.api.vo.FileUploadResult;
+import org.jeecg.common.exception.ExceptionCast;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.net.URLEncoder;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+@Slf4j
+@Component
+public class FileUtil {
+
+ private static String fileUploadFolder;
+
+ @SuppressWarnings("unused")
+ private static String uploadType;
+
+ @Value(value = "${jeecg.path.upload}")
+ public void setFileUploadFolder(String fileUploadFolder) {
+ FileUtil.fileUploadFolder = fileUploadFolder;
+ }
+
+ @Value(value = "${jeecg.uploadType}")
+ public void setUploadType(String uploadType) {
+ FileUtil.uploadType = uploadType;
+ }
+
+ public static FileUploadResult uploadFile(MultipartFile file) {
+ if (file == null || file.isEmpty())
+ return null;
+ String fileName = file.getOriginalFilename();
+ String suffix = getFileSuffix(fileName);
+ Date currentDate = DateUtils.getDate();
+ String monthStr = DateUtils.date2Str(currentDate, DateUtils.monthFormat.get());
+ // 鐩稿璺緞
+ String relativePath = "/" + monthStr + "/" + DateUtils.getDayStr(currentDate) + "/";
+ // 缁濆璺緞
+ String absolutePath = fileUploadFolder + "/" + monthStr + "/" + DateUtils.getDayStr(currentDate) + "/";
+ String fileNameNonSuffix = getFilenameNonSuffix(fileName);
+ if (fileNameNonSuffix == null)
+ return null;
+ // 鑾峰彇鏂囦欢鍔犲瘑鍚嶇О 1 淇濊瘉鏂囦欢鍞竴 涓嶅瓨鍦ㄨ鐩栭棶棰� 2 鐩綍涓嬩繚瀛樻枃浠跺姞瀵嗗悕绉� 鍘婚櫎鏂囦欢鍏抽敭淇℃伅
+ String encodeFileName = SHA256Util.getSHA256Str(fileNameNonSuffix + System.currentTimeMillis()) + "." + suffix;
+ Long fileSize = file.getSize();
+ boolean b = uploadFile(file, absolutePath, encodeFileName);
+ if (!b)
+ return null;
+ FileUploadResult dto = new FileUploadResult();
+ dto.setFileName(fileNameNonSuffix);
+ dto.setFileEncodeName(encodeFileName);
+ dto.setFilePath(relativePath + encodeFileName);
+ dto.setFileSize(fileSize);
+ dto.setFileSuffix(suffix);
+ return dto;
+ }
+
+ public static FileUploadResult uploadFile(byte[] fileData, String fileName) {
+ String suffix = getFileSuffix(fileName);
+ Date currentDate = DateUtils.getDate();
+ String monthStr = DateUtils.date2Str(currentDate, DateUtils.monthFormat.get());
+ // 鐩稿璺緞
+ String relativePath = "/" + monthStr + "/" + DateUtils.getDayStr(currentDate) + "/";
+ // 缁濆璺緞
+ String absolutePath = fileUploadFolder + "/" + monthStr + "/" + DateUtils.getDayStr(currentDate) + "/";
+ String fileNameNonSuffix = getFilenameNonSuffix(fileName);
+ if (StringUtils.isBlank(fileNameNonSuffix)) {
+ return null;
+ }
+ // 鑾峰彇鏂囦欢鍔犲瘑鍚嶇О 1 淇濊瘉鏂囦欢鍞竴 涓嶅瓨鍦ㄨ鐩栭棶棰� 2 鐩綍涓嬩繚瀛樻枃浠跺姞瀵嗗悕绉� 鍘婚櫎鏂囦欢鍏抽敭淇℃伅
+ String encodeFileName = SHA256Util.getSHA256Str(fileNameNonSuffix + System.currentTimeMillis()) + "." + suffix;
+ Long fileSize = (long) fileData.length;
+ try {
+ File targetFile = new File(absolutePath, encodeFileName);
+ if(!targetFile.getParentFile().exists()) {
+ //鍒涘缓鐩綍
+ targetFile.getParentFile().mkdirs();
+ }
+ Files.write(Paths.get(absolutePath + encodeFileName), fileData);
+ FileUploadResult dto = new FileUploadResult();
+ dto.setFileName(fileNameNonSuffix);
+ dto.setFileEncodeName(encodeFileName);
+ dto.setFilePath(relativePath + encodeFileName);
+ dto.setFileSize(fileSize);
+ dto.setFileSuffix(suffix);
+ return dto;
+ } catch (IOException e) {
+ log.error("鏂囦欢鍐欏叆澶辫触: {}", e.getMessage(), e);
+ return null;
+ }
+
+ }
+
+ /**
+ * @param filePath 璺緞
+ * @param fileName 鏂囦欢鍚�
+ */
+ public static void deleteFile(String filePath, String fileName) {
+ String absolutePath = fileUploadFolder + "/" + filePath + "/";
+ File targetFile = new File(absolutePath, fileName);
+ targetFile.deleteOnExit();
+ }
+
+ public static void downLoadFile(HttpServletResponse response, String fileName, String filePath, String toFileName) {
+ String absolutePath = fileUploadFolder + filePath;
+ File file = new File(absolutePath, fileName);
+ if (file.exists()) {
+ byte[] buffer = new byte[1024];
+ FileInputStream fis = null;
+ BufferedInputStream bis = null;
+ try {
+ response.setHeader("Content-Type", "application/octet-stream;charset=utf-8"); // 鍛婅瘔娴忚鍣ㄨ緭鍑哄唴瀹逛负娴�
+ // response.setHeader("Content-Disposition", "attachment;fileName="+ new
+ // String(toFileName.getBytes("UTF-8"),"ISO-8859-1"));
+ response.setHeader("Content-Disposition",
+ "attachment;fileName=" + URLEncoder.encode(toFileName, "UTF-8"));
+ fis = new FileInputStream(file);
+ bis = new BufferedInputStream(fis);
+ OutputStream os = response.getOutputStream();
+ int i = bis.read(buffer);
+ while (i != -1) {
+ os.write(buffer, 0, i);
+ i = bis.read(buffer);
+ }
+ os.flush();
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (bis != null) {
+ try {
+ bis.close();
+ } catch (IOException e) {
+ }
+ }
+ if (fis != null) {
+ try {
+ fis.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+ } else {
+ ExceptionCast.cast("鏂囦欢涓嶅瓨鍦�");
+ }
+ }
+
+ public static void downLoadFile(HttpServletResponse response, String filePath, String toFileName) {
+ String absolutePath = fileUploadFolder + filePath;
+ File file = new File(absolutePath);
+ if (file.exists()) {
+ byte[] buffer = new byte[1024];
+ FileInputStream fis = null;
+ BufferedInputStream bis = null;
+ try {
+ response.setHeader("Content-Type", "application/octet-stream;charset=utf-8"); // 鍛婅瘔娴忚鍣ㄨ緭鍑哄唴瀹逛负娴�
+ // response.setHeader("Content-Disposition", "attachment;fileName="+ new
+ // String(toFileName.getBytes("UTF-8"),"ISO-8859-1"));
+ response.setHeader("Content-Disposition",
+ "attachment;fileName=" + URLEncoder.encode(toFileName, "UTF-8"));
+ fis = new FileInputStream(file);
+ bis = new BufferedInputStream(fis);
+ OutputStream os = response.getOutputStream();
+ int i = bis.read(buffer);
+ while (i != -1) {
+ os.write(buffer, 0, i);
+ i = bis.read(buffer);
+ }
+ os.flush();
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (bis != null) {
+ try {
+ bis.close();
+ } catch (IOException e) {
+ }
+ }
+ if (fis != null) {
+ try {
+ fis.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+ } else {
+ ExceptionCast.cast("鏂囦欢涓嶅瓨鍦�");
+ }
+ }
+
+ /**
+ * 涓婁紶鏂囦欢宸ュ叿绫�
+ *
+ * @param multipartFile
+ * @param path
+ * @param fileNewName 鏂扮殑鏂囦欢鍚�
+ * @return
+ */
+ public static boolean uploadFile(MultipartFile multipartFile, String path, String fileNewName) {
+ File targetFile = new File(path, fileNewName);
+ if (!targetFile.getParentFile().exists()) {
+ targetFile.getParentFile().mkdirs();
+ }
+ try {
+ multipartFile.transferTo(targetFile);
+ return true;
+ } catch (Exception e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ /**
+ * 鑾峰彇鏂囦欢鍚庣紑 鏃犲悗缂�鏂囦欢杩斿洖NULL
+ *
+ * @param fileName
+ * @return
+ */
+ public static String getFileSuffix(String fileName) {
+ if (fileName.contains(".")) {
+ String suffix = fileName.substring(fileName.lastIndexOf('.') + 1);
+ return suffix;
+ } else {
+ return null;
+ }
+
+ }
+
+ /**
+ * 鑾峰彇鏂囦欢鍚� 涓嶅甫鍚庣紑鍜岀偣鍙�
+ *
+ * @param fileName
+ * @return
+ */
+ public static String getFilenameNonSuffix(String fileName) {
+ if (fileName.contains(".")) {
+ String filename = fileName.substring(0, fileName.lastIndexOf('.'));
+ return filename;
+ } else {
+ return fileName;
+ }
+
+ }
+
+ public static List<String> readFile(String fileEncodeName, String filePath) {
+ String absolutePath = fileUploadFolder + filePath;
+ File file = new File(absolutePath, fileEncodeName);
+ if (!file.exists() || file.isDirectory())
+ return null;
+ String charset = checkFileEncode(file);
+ if (charset == null)
+ return null;
+ List<String> readList = new ArrayList<>();
+ String tempString = null;
+ BufferedReader reader = null;
+ try {
+ reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), charset));
+ while ((tempString = reader.readLine()) != null) {
+ readList.add(tempString);
+ }
+ if (readList.isEmpty())
+ return null;
+ return readList;
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ } finally {
+ if (reader != null) {
+ try {
+ reader.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ }
+
+ private static String checkFileEncode(File file) {
+ String charset = "GBK";
+ byte[] first3Bytes = new byte[3];
+ BufferedInputStream bis = null;
+ try {
+ boolean checked = false;
+ bis = new BufferedInputStream(new FileInputStream(file));
+ bis.mark(0);
+ int read = bis.read(first3Bytes, 0, 3);
+ if (read == -1)
+ return charset;
+ if (first3Bytes[0] == (byte) 0xFF && first3Bytes[1] == (byte) 0xFE) {
+ charset = "UTF-16LE";
+ checked = true;
+ } else if (first3Bytes[0] == (byte) 0xFE && first3Bytes[1] == (byte) 0xFF) {
+ charset = "UTF-16BE";
+ checked = true;
+ } else if (first3Bytes[0] == (byte) 0xEF && first3Bytes[1] == (byte) 0xBB
+ && first3Bytes[2] == (byte) 0xBF) {
+ charset = "UTF-8";
+ checked = true;
+ }
+ bis.reset();
+ if (!checked) {
+ while ((read = bis.read()) != -1) {
+ if (read >= 0xF0)
+ break;
+ if (0x80 <= read && read <= 0xBF) // 鍗曠嫭鍑虹幇BF浠ヤ笅鐨勶紝涔熺畻鏄疓BK
+ break;
+ if (0xC0 <= read && read <= 0xDF) {
+ read = bis.read();
+ if (0x80 <= read && read <= 0xBF) // 鍙屽瓧鑺� (0xC0 - 0xDF) (0x80 - 0xBF),涔熷彲鑳藉湪GBK缂栫爜鍐吢犅�
+ continue;
+ else
+ break;
+ } else if (0xE0 <= read && read <= 0xEF) {
+ // 涔熸湁鍙兘鍑洪敊锛屼絾鏄嚑鐜囪緝灏�
+ read = bis.read();
+ if (0x80 <= read && read <= 0xBF) {
+ read = bis.read();
+ if (0x80 <= read && read <= 0xBF) {
+ charset = "UTF-8";
+ break;
+ } else
+ break;
+ } else {
+ break;
+ }
+ }
+ }
+ }
+ return charset;
+ } catch (Exception e) {
+ return null;
+ } finally {
+ if (bis != null) {
+ try {
+ bis.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+
+ }
+
+}
\ No newline at end of file
--
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