From cb9fbcd27a288d0c61d85fa13ff5fc8eb1f4deab Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期六, 18 三月 2023 16:44:56 +0800
Subject: [PATCH] 1

---
 src/main/java/com/lf/server/helper/FileHelper.java |   89 ++++++++++++++++++++++++++++++++++++++------
 1 files changed, 77 insertions(+), 12 deletions(-)

diff --git a/src/main/java/com/lf/server/helper/FileHelper.java b/src/main/java/com/lf/server/helper/FileHelper.java
index c9d15ee..426e130 100644
--- a/src/main/java/com/lf/server/helper/FileHelper.java
+++ b/src/main/java/com/lf/server/helper/FileHelper.java
@@ -12,9 +12,11 @@
 import java.io.IOException;
 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 +50,7 @@
 
         String fileName = file.getName().toLowerCase();
 
-        int idx = fileName.lastIndexOf(StaticData.POINT);
+        int idx = fileName.indexOf(StaticData.POINT);
         if (idx == -1) {
             return "";
         }
@@ -184,6 +186,24 @@
     }
 
     /**
+     * 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) {
@@ -197,7 +217,7 @@
     }
 
     /**
-     * 鑾峰彇鏂囦欢MD5鐮侊紙JDK锛�
+     * 3.鑾峰彇鏂囦欢MD5鐮侊紙JDK锛�
      */
     public static String getMd5ByJdk(String filePath) throws IOException {
         FileInputStream fileStream = new FileInputStream(filePath);
@@ -208,7 +228,7 @@
     }
 
     /**
-     * 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 +272,19 @@
      * @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();
+                    }
                 }
             }
         }
@@ -304,9 +326,7 @@
     }
 
     /**
-     * 鑾峰彇鏂囦欢鐨凪D5
-     * @param filePath
-     * @return
+     * 1.鑾峰彇鏂囦欢鐨凪D5
      */
     @SuppressWarnings("unused")
     public static String getFileMd5(String filePath) {
@@ -340,6 +360,9 @@
         }
     }
 
+    /**
+     * 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 +381,46 @@
         // 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<File> 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);
+                }
+            }
+        } else {
+            list.add(file);
+        }
+    }
 }

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