From bf9f5d506d34cbbcc68f77cdf71e30a6cf3cd7d4 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 09 八月 2023 13:50:07 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/FileHelper.java | 124 +++++++++++++++++++++++++++++++++++------
1 files changed, 106 insertions(+), 18 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/FileHelper.java b/src/main/java/com/lf/server/helper/FileHelper.java
index 38e8a7d..132649a 100644
--- a/src/main/java/com/lf/server/helper/FileHelper.java
+++ b/src/main/java/com/lf/server/helper/FileHelper.java
@@ -7,14 +7,14 @@
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
+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;
+import java.util.Objects;
/**
* 鏂囦欢甯姪绫�
@@ -48,7 +48,7 @@
String fileName = file.getName().toLowerCase();
- int idx = fileName.lastIndexOf(StaticData.POINT);
+ int idx = fileName.indexOf(StaticData.POINT);
if (idx == -1) {
return "";
}
@@ -184,6 +184,24 @@
}
/**
+ * 鑾峰彇鏂囦欢澶у皬
+ */
+ public static String getSizes(double mbNumber) {
+ if (mbNumber < StaticData.D1024) {
+ return new DecimalFormat("#.##MB").format(mbNumber);
+ }
+
+ double gbNumber = mbNumber / StaticData.D1024;
+ if (gbNumber < StaticData.D1024) {
+ return new DecimalFormat("#.##GB").format(gbNumber);
+ }
+
+ double tbNumber = gbNumber / StaticData.D1024;
+
+ return new DecimalFormat("#.##TB").format(tbNumber);
+ }
+
+ /**
* byte杞琈B
*/
public static double sizeToMb(long size) {
@@ -197,9 +215,9 @@
}
/**
- * 鑾峰彇鏂囦欢 MD5 鐮�
+ * 3.鑾峰彇鏂囦欢MD5鐮侊紙JDK锛�
*/
- public static String getFileMd5(String filePath) throws IOException {
+ public static String getMd5ByJdk(String filePath) throws IOException {
FileInputStream fileStream = new FileInputStream(filePath);
String md5 = DigestUtils.md5Hex(fileStream);
fileStream.close();
@@ -208,7 +226,7 @@
}
/**
- * 鑾峰彇蹇�� MD5 鐮�
+ * 2.鑾峰彇蹇�� MD5 鐮�
*/
public static String getFastMd5(String filePath) throws IOException {
String hash = MD5.asHex(MD5.getHash(new File(filePath)));
@@ -252,17 +270,19 @@
* @param file 鏂囦欢
*/
public static void deleteFiles(File file) {
- if (file == null || !file.exists()) {
+ if (null == file || !file.exists()) {
return;
}
if (file.isDirectory()) {
File[] files = file.listFiles();
- for (File f : files) {
- if (f.isDirectory()) {
- deleteFiles(f);
- } else {
- f.delete();
+ if (null != files && files.length > 0) {
+ for (File f : files) {
+ if (f.isDirectory()) {
+ deleteFiles(f);
+ } else {
+ f.delete();
+ }
}
}
}
@@ -304,17 +324,15 @@
}
/**
- * 鑾峰彇鏂囦欢鐨凪D5
- * @param file
- * @return
+ * 1.鑾峰彇鏂囦欢鐨凪D5
*/
@SuppressWarnings("unused")
- public static String getFileMd5(File file) {
+ public static String getFileMd5(String filePath) {
FileInputStream fis = null;
try {
MessageDigest md = MessageDigest.getInstance("MD5");
- fis = new FileInputStream(file);
+ fis = new FileInputStream(new File(filePath));
FileChannel fChannel = fis.getChannel();
ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 1024);
@@ -340,6 +358,9 @@
}
}
+ /**
+ * 瀛楄妭鐮佽浆16杩涘埗
+ */
public static String byteToHexString(byte[] tmp) {
// 姣忎釜瀛楄妭鐢� 16 杩涘埗琛ㄧず鐨勮瘽锛屼娇鐢ㄤ袱涓瓧绗︼紝
char[] str = new char[16 * 2];
@@ -358,4 +379,71 @@
// 鎹㈠悗鐨勭粨鏋滆浆鎹负瀛楃涓�
return new String(str);
}
+
+ /**
+ * 鑾峰彇瀛楃涓茬殑MD5鐮�
+ */
+ 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();
+ }
+
+ /**
+ * 鏍规嵁璺緞鑾峰彇鏂囦欢
+ */
+ 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());
+ }
+ }
+
+ /**
+ * 澶嶅埗鏂囦欢
+ *
+ * @param src 婧愭枃浠�
+ * @param dest 鐩綍鏂囦欢
+ */
+ 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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