From 3417cf014a65765e02696c1d121ce58b2b4a8aed Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 08 四月 2025 15:55:36 +0800
Subject: [PATCH] 修改pom.xml
---
src/main/java/com/se/simu/helper/FileHelper.java | 279 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 279 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/se/simu/helper/FileHelper.java b/src/main/java/com/se/simu/helper/FileHelper.java
new file mode 100644
index 0000000..6f239fb
--- /dev/null
+++ b/src/main/java/com/se/simu/helper/FileHelper.java
@@ -0,0 +1,279 @@
+package com.se.simu.helper;
+
+import com.twmacinta.util.MD5;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.codec.digest.DigestUtils;
+
+import java.io.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.text.DecimalFormat;
+import java.util.List;
+
+@Slf4j
+@SuppressWarnings("ALL")
+public class FileHelper {
+ public final static String POINT = ".";
+
+ public final static int I16 = 16;
+
+ public static final double D1024 = 1024.0;
+
+ public static final double D1050 = 1050.0;
+
+ public final static int I1000000 = 1000000;
+
+ public static final char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+
+ public static String getFileName(String file) {
+ int idx = file.lastIndexOf(File.separator);
+ if (idx > -1) {
+ return file.substring(idx + 1);
+ }
+
+ return "";
+ }
+
+ public static String getName(String file) {
+ String fileName = getFileName(file);
+ int idx = fileName.lastIndexOf(".");
+ if (idx > -1) {
+ return fileName.substring(0, idx);
+ }
+
+ return fileName;
+ }
+
+ public static String getExtension(File file) {
+ if (file == null) {
+ return null;
+ }
+
+ String fileName = file.getName().toLowerCase();
+
+ int idx = fileName.indexOf(POINT);
+ if (idx == -1) {
+ return "";
+ }
+
+ return fileName.substring(idx);
+ }
+
+ public static String getExtension(String fileName) {
+ if (StringHelper.isEmpty(fileName)) {
+ return "";
+ }
+
+ int idx = fileName.lastIndexOf(POINT);
+ if (idx == -1) {
+ return "";
+ }
+
+ return fileName.substring(idx).toLowerCase();
+ }
+
+ public static String formatByte(long byteNumber) {
+ double kbNumber = byteNumber / D1024;
+ if (kbNumber < D1024) {
+ return new DecimalFormat("#.##KB").format(kbNumber);
+ }
+ double mbNumber = kbNumber / D1024;
+ if (mbNumber < D1024) {
+ return new DecimalFormat("#.##MB").format(mbNumber);
+ }
+ double gbNumber = mbNumber / D1024;
+ if (gbNumber < D1024) {
+ return new DecimalFormat("#.##GB").format(gbNumber);
+ }
+ double tbNumber = gbNumber / D1024;
+
+ return new DecimalFormat("#.##TB").format(tbNumber);
+ }
+
+ public static String getSquareMeter(double num) {
+ if (num < I1000000) {
+ return new DecimalFormat("#.##骞虫柟绫�").format(num);
+ }
+
+ double knum = num / I1000000;
+
+ return new DecimalFormat("#.##骞虫柟鍗冪背").format(knum);
+ }
+
+ public static double sizeToMb(long size) {
+ if (size < D1050) {
+ return 0.001;
+ }
+
+ String str = String.format("%.3f", size / D1024 / D1024);
+
+ return Double.parseDouble(str);
+ }
+
+ public static String getMd5ByJdk(String filePath) throws IOException {
+ FileInputStream fileStream = new FileInputStream(filePath);
+ String md5 = DigestUtils.md5Hex(fileStream);
+ fileStream.close();
+
+ return md5;
+ }
+
+ public static String getFastMd5(String filePath) throws IOException {
+ String hash = MD5.asHex(MD5.getHash(new File(filePath)));
+
+ MD5 md5 = new MD5();
+ md5.Update(hash, null);
+
+ return md5.asHex();
+ }
+
+ public static void deleteDir(String dir) {
+ File file = new File(dir);
+
+ deleteFiles(file);
+ }
+
+ public static void deleteFiles(File file) {
+ if (null == file || !file.exists()) {
+ return;
+ }
+
+ if (file.isDirectory()) {
+ File[] files = file.listFiles();
+ if (null != files && files.length > 0) {
+ for (File f : files) {
+ if (f.isDirectory()) {
+ deleteFiles(f);
+ } else {
+ f.delete();
+ }
+ }
+ }
+ }
+
+ file.delete();
+ }
+
+ public static String getRelativePath(String file) {
+ if (StringHelper.isEmpty(file)) {
+ return null;
+ }
+
+ int idx = file.lastIndexOf(File.separator);
+ int start = file.lastIndexOf(File.separator, idx - 1);
+
+ return file.substring(start + 1);
+ }
+
+ public static String getPath(String file) {
+ if (StringHelper.isEmpty(file)) {
+ return null;
+ }
+
+ int end = file.lastIndexOf(File.separator);
+
+ return file.substring(0, end);
+ }
+
+ @SuppressWarnings("unused")
+ public static String getFileMd5(String filePath) {
+ FileInputStream fis = null;
+ try {
+ MessageDigest md = MessageDigest.getInstance("MD5");
+
+ fis = new FileInputStream(new File(filePath));
+ FileChannel fChannel = fis.getChannel();
+ ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 1024);
+
+ while (fChannel.read(buffer) != -1) {
+ buffer.flip();
+ md.update(buffer);
+ buffer.compact();
+ }
+ byte[] b = md.digest();
+
+ return byteToHexString(b);
+ } catch (Exception ex) {
+ ex.printStackTrace();
+ return null;
+ } finally {
+ try {
+ if (null != fis) {
+ fis.close();
+ }
+ } catch (IOException ex) {
+ ex.printStackTrace();
+ }
+ }
+ }
+
+ public static String byteToHexString(byte[] tmp) {
+ char[] str = new char[16 * 2];
+
+ int k = 0;
+ for (int i = 0; i < I16; i++) {
+ byte byte0 = tmp[i];
+ str[k++] = HEX_DIGITS[byte0 >>> 4 & 0xf];
+ str[k++] = HEX_DIGITS[byte0 & 0xf];
+ }
+
+ return new String(str);
+ }
+
+ public static String getStringMd5(String text) {
+ StringBuilder builder = new StringBuilder();
+ try {
+ MessageDigest md5 = MessageDigest.getInstance("MD5");
+
+ byte[] bytes = md5.digest(text.getBytes(StandardCharsets.UTF_8));
+ for (byte aByte : bytes) {
+ builder.append(Integer.toHexString((0x000000FF & aByte) | 0xFFFFFF00).substring(6));
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+
+ return builder.toString();
+ }
+
+ public static void getFilesByPath(List<String> list, String path) {
+ File file = new File(path);
+ if (file.isDirectory()) {
+ File[] files = file.listFiles();
+ if (null == files) {
+ return;
+ }
+
+ for (File f : files) {
+ if (f.isDirectory()) {
+ getFilesByPath(list, f.getPath());
+ } else {
+ list.add(f.getPath());
+ }
+ }
+ } else {
+ list.add(file.getPath());
+ }
+ }
+
+ public static void copyFile(File src, File dest) throws IOException {
+ InputStream is = null;
+ OutputStream os = null;
+ try {
+ is = new FileInputStream(src);
+ os = new FileOutputStream(dest);
+
+ byte[] buffer = new byte[1024];
+
+ int length;
+ while ((length = is.read(buffer)) > 0) {
+ os.write(buffer, 0, length);
+ }
+ } finally {
+ os.close();
+ is.close();
+ }
+ }
+}
--
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