修复压缩文件中文乱码
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@ -13,12 +13,12 @@ import com.github.junrar.rarfile.FileHeader;
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import net.sf.sevenzipjbinding.*;
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import net.sf.sevenzipjbinding.impl.RandomAccessFileInStream;
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import net.sf.sevenzipjbinding.simple.ISimpleInArchive;
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import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
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import org.apache.commons.compress.archivers.zip.ZipFile;
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import org.springframework.stereotype.Component;
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import java.io.*;
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import java.math.BigDecimal;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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import java.text.CollationKey;
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import java.text.Collator;
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import java.util.*;
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@ -44,6 +44,94 @@ public class CompressFileReader {
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this.fileHandlerService = fileHandlerService;
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}
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public static byte[] getUTF8BytesFromGBKString(String gbkStr) {
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int n = gbkStr.length();
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byte[] utfBytes = new byte[3 * n];
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int k = 0;
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for (int i = 0; i < n; i++) {
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int m = gbkStr.charAt(i);
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if (m < 128 && m >= 0) {
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utfBytes[k++] = (byte) m;
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continue;
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}
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utfBytes[k++] = (byte) (0xe0 | (m >> 12));
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utfBytes[k++] = (byte) (0x80 | ((m >> 6) & 0x3f));
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utfBytes[k++] = (byte) (0x80 | (m & 0x3f));
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}
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if (k < utfBytes.length) {
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byte[] tmp = new byte[k];
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System.arraycopy(utfBytes, 0, tmp, 0, k);
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return tmp;
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}
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return utfBytes;
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}
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public String getUtf8String(String str) {
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if (str != null && str.length() > 0) {
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String needEncodeCode = "ISO-8859-1";
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String neeEncodeCode = "ISO-8859-2";
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String gbkEncodeCode = "GBK";
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try {
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if (Charset.forName(needEncodeCode).newEncoder().canEncode(str)) {
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str = new String(str.getBytes(needEncodeCode), StandardCharsets.UTF_8);
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}
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if (Charset.forName(neeEncodeCode).newEncoder().canEncode(str)) {
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str = new String(str.getBytes(neeEncodeCode), StandardCharsets.UTF_8);
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}
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if (Charset.forName(gbkEncodeCode).newEncoder().canEncode(str)) {
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str = new String(getUTF8BytesFromGBKString(str), StandardCharsets.UTF_8);
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}
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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}
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return str;
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}
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/**
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* 判断是否是中日韩文字
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*/
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private static boolean isChinese(char c) {
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Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
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if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
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|| ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
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|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
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|| ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
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|| ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
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|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
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return true;
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}
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return false;
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}
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public static boolean judge(char c){
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if((c >='0' && c<='9')||(c >='a' && c<='z' || c >='A' && c<='Z')){
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return true;
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}
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return false;
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}
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public static boolean isMessyCode(String strName) {
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//去除字符串中的空格 制表符 换行 回车
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Pattern p = Pattern.compile("\\s*|\t*|\r*|\n*");
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Matcher m = p.matcher(strName);
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String after = m.replaceAll("");
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//去除字符串中的标点符号
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String temp = after.replaceAll("\\p{P}", "");
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//处理之后转换成字符数组
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char[] ch = temp.trim().toCharArray();
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for (int i = 0; i < ch.length; i++) {
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char c = ch[i];
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//判断是否是数字或者英文字符
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if (!judge(c)) {
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//判断是否是中日韩文
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if (!isChinese(c)) {
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//如果不是数字或者英文字符也不是中日韩文则表示是乱码返回true
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return true;
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}
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}
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}
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//表示不是乱码 返回false
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return false;
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}
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public String unRar(String filePath, String fileKey) {
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Map<String, FileNode> appender = new HashMap<>();
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List<String> imgUrls = new ArrayList<>();
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@ -91,14 +179,17 @@ public class CompressFileReader {
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String extractPath = paths.substring(0, paths.lastIndexOf(folderName));
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inArchive.extract(null, false, new ExtractCallback(inArchive, extractPath, folderName + "_"));
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ISimpleInArchive simpleInArchive = inArchive.getSimpleInterface();
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itemPath =
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Arrays.stream(simpleInArchive.getArchiveItems())
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.map(
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o -> {
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itemPath = Arrays.stream(simpleInArchive.getArchiveItems()).map(o -> {
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try {
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return new FileHeaderRar(o.getPath(), o.isFolder());
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String path = getUtf8String(o.getPath());
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if (isMessyCode(path)){
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path = new String(o.getPath().getBytes(StandardCharsets.ISO_8859_1), "GBK");
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}
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return new FileHeaderRar(path, o.isFolder());
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} catch (SevenZipException e) {
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e.printStackTrace();
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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return null;
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})
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@ -127,7 +218,6 @@ public class CompressFileReader {
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return itemPath;
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}
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private void addNodes(Map<String, FileNode> appender, String parentName, FileNode node) {
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if (appender.containsKey(parentName)) {
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appender.get(parentName).getChildList().add(node);
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@ -278,51 +368,6 @@ public class CompressFileReader {
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}
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}
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class ZipExtractorWorker implements Runnable {
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private final List<Map<String, ZipArchiveEntry>> entriesToBeExtracted;
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private final ZipFile zipFile;
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private final String filePath;
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public ZipExtractorWorker(List<Map<String, ZipArchiveEntry>> entriesToBeExtracted, ZipFile zipFile, String filePath) {
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this.entriesToBeExtracted = entriesToBeExtracted;
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this.zipFile = zipFile;
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this.filePath = filePath;
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}
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@Override
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public void run() {
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for (Map<String, ZipArchiveEntry> entryMap : entriesToBeExtracted) {
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String childName = entryMap.keySet().iterator().next();
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ZipArchiveEntry entry = entryMap.values().iterator().next();
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try {
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extractZipFile(childName, zipFile.getInputStream(entry));
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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try {
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zipFile.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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KkFileUtils.deleteFileByPath(filePath);
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}
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private void extractZipFile(String childName, InputStream zipFile) {
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String outPath = fileDir + childName;
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try (OutputStream ot = new FileOutputStream(outPath)) {
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byte[] inByte = new byte[1024];
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int len;
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while ((-1 != (len = zipFile.read(inByte)))) {
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ot.write(inByte, 0, len);
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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class RarExtractorWorker implements Runnable {
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private final List<Map<String, FileHeader>> headersToBeExtracted;
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@ -441,6 +486,5 @@ public class CompressFileReader {
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@Override
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public void setOperationResult(ExtractOperationResult extractOperationResult) {
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}
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}
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}
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