From b6b0cb226fcf184525ee7b36af3a09471e9c0057 Mon Sep 17 00:00:00 2001 From: 13693261870 <252740454@qq.com> Date: 星期一, 25 三月 2024 11:29:33 +0800 Subject: [PATCH] 修改数据统计的查询条件 --- src/main/java/com/lf/server/helper/FileHelper.java | 242 +++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 208 insertions(+), 34 deletions(-) diff --git a/src/main/java/com/lf/server/helper/FileHelper.java b/src/main/java/com/lf/server/helper/FileHelper.java index 85bfbd4..c9a5294 100644 --- a/src/main/java/com/lf/server/helper/FileHelper.java +++ b/src/main/java/com/lf/server/helper/FileHelper.java @@ -1,13 +1,17 @@ package com.lf.server.helper; +import com.lf.server.entity.all.StaticData; import com.lf.server.entity.data.MetaFileEntity; +import com.twmacinta.util.MD5; import org.apache.commons.codec.digest.DigestUtils; 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; @@ -16,19 +20,10 @@ * @author WWW */ public class FileHelper { - private final static String POINT = "."; - - public static final double D1024 = 1024.0; - - public static final double D1050 = 1050.0; - private final static Log log = LogFactory.getLog(FileHelper.class); /** * 鑾峰彇鏂囦欢鍚� - * - * @param file - * @return */ public static String getFileName(String file) { int idx = file.lastIndexOf(File.separator); @@ -37,6 +32,19 @@ } return ""; + } + + /** + * 鑾峰彇鏂囦欢鍚嶇О + */ + public static String getName(String file) { + String fileName = getFileName(file); + int idx = fileName.lastIndexOf("."); + if (idx > -1) { + return fileName.substring(0, idx); + } + + return fileName; } /** @@ -49,7 +57,7 @@ String fileName = file.getName().toLowerCase(); - int idx = fileName.lastIndexOf(POINT); + int idx = fileName.indexOf(StaticData.POINT); if (idx == -1) { return ""; } @@ -65,7 +73,7 @@ return ""; } - int idx = fileName.lastIndexOf(POINT); + int idx = fileName.lastIndexOf(StaticData.POINT); if (idx == -1) { return ""; } @@ -75,9 +83,6 @@ /** * 鑾峰彇澶氱敤閫斾簰鑱旂綉閭欢鎵╁睍绫诲瀷 - * - * @param ext 鏂囦欢鎵╁睍鍚� - * @return */ public static String getMime(String ext) { switch (ext) { @@ -167,45 +172,88 @@ * 瀛楄妭鍗曚綅鎹㈢畻 */ public static String formatByte(long byteNumber) { - double kbNumber = byteNumber / D1024; - if (kbNumber < D1024) { + double kbNumber = byteNumber / StaticData.D1024; + if (kbNumber < StaticData.D1024) { return new DecimalFormat("#.##KB").format(kbNumber); } - double mbNumber = kbNumber / D1024; - if (mbNumber < D1024) { + double mbNumber = kbNumber / StaticData.D1024; + if (mbNumber < StaticData.D1024) { return new DecimalFormat("#.##MB").format(mbNumber); } - double gbNumber = mbNumber / D1024; - if (gbNumber < D1024) { + double gbNumber = mbNumber / StaticData.D1024; + if (gbNumber < StaticData.D1024) { return new DecimalFormat("#.##GB").format(gbNumber); } - double tbNumber = gbNumber / D1024; + double tbNumber = gbNumber / StaticData.D1024; return new DecimalFormat("#.##TB").format(tbNumber); + } + + /** + * 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); + } + + /** + * 鑾峰彇骞虫柟绫� + */ + public static String getSquareMeter(double num) { + if (num < StaticData.I1000000) { + return new DecimalFormat("#.##骞虫柟绫�").format(num); + } + + double knum = num / StaticData.I1000000; + + return new DecimalFormat("#.##骞虫柟鍗冪背").format(knum); } /** * byte杞琈B */ public static double sizeToMb(long size) { - if (size < D1050) { + if (size < StaticData.D1050) { return 0.001; } - String str = String.format("%.3f", size / D1024 / D1024); + String str = String.format("%.3f", size / StaticData.D1024 / StaticData.D1024); return Double.parseDouble(str); } /** - * 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(); return md5; + } + + /** + * 2.鑾峰彇蹇�� MD5 鐮� + */ + 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(); } /** @@ -241,17 +289,19 @@ * @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(); + } } } } @@ -291,4 +341,128 @@ return file.substring(0, end); } + + /** + * 1.鑾峰彇鏂囦欢鐨凪D5 + */ + @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(); + } + } + } + + /** + * 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]; + + // 鎵�浠ヨ〃绀烘垚 16 杩涘埗闇�瑕� 32 涓瓧绗︼紝琛ㄧず杞崲缁撴灉涓搴旂殑瀛楃浣嶇疆 + int k = 0; + // 浠庣涓�涓瓧鑺傚紑濮嬶紝瀵� MD5 鐨勬瘡涓�涓瓧鑺� + for (int i = 0; i < StaticData.SIXTEEN; i++) { + // 杞崲鎴� 16 杩涘埗瀛楃鐨勮浆鎹� + byte byte0 = tmp[i]; + // 鍙栧瓧鑺備腑楂� 4 浣嶇殑鏁板瓧杞崲 + str[k++] = StaticData.HEX_DIGITS[byte0 >>> 4 & 0xf]; + // >>> 涓洪�昏緫鍙崇Щ锛屽皢绗﹀彿浣嶄竴璧峰彸绉伙紝 鍙栧瓧鑺備腑浣� 4 浣嶇殑鏁板瓧杞崲 + str[k++] = StaticData.HEX_DIGITS[byte0 & 0xf]; + } + // 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(); + } + } } -- Gitblit v1.9.3