最近發現Java原生的Zip壓縮組件在壓縮過程中,不支持文件名的中文編碼,會在壓縮過程中把中文文件名變成亂碼。Apache的ant包中的壓縮組件修復了這個問題,如果你在使用壓縮功能時需要支持中文文件名,建議你直接使用Apache的壓縮組件來實現這個功能。
具體使用方法:
1.在你的pom文件中增加對Apache的ant工具包的dependency:
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< dependency > < groupId >org.apache.ant</ groupId > < artifactId >ant</ artifactId > < version >1.9.3</ version > </ dependency > |
并在頭部引用用到的類:
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import org.apache.tools.zip.ZipEntry; import org.apache.tools.zip.ZipFile; import org.apache.tools.zip.ZipOutputStream; |
2.壓縮的方法實現,大家注意,本組件支持設置編碼(setEncoding("GBK")方法),解決了中文編碼的問題:
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public static void compress(String srcPath , String dstPath) throws IOException{ File srcFile = new File(srcPath); File dstFile = new File(dstPath); if (!srcFile.exists()) { throw new FileNotFoundException(srcPath + "does not exists" ); } FileOutputStream out = null ; ZipOutputStream zipOut = null ; try { out = new FileOutputStream(dstFile); zipOut = new ZipOutputStream( new BufferedOutputStream(out)); zipOut.setEncoding( "GBK" ); String baseDir = "" ; compress(srcFile, zipOut, baseDir); } catch (Throwable ex){ throw new RuntimeException(ex); } finally { if ( null != zipOut){ zipOut.close(); out = null ; } if ( null != out){ out.close(); } } } private static void compress(File file, ZipOutputStream zipOut, String baseDir) throws IOException{ if (file.isDirectory()) { compressDirectory(file, zipOut, baseDir); } else { compressFile(file, zipOut, baseDir); } } /** 壓縮一個目錄 */ private static void compressDirectory(File dir, ZipOutputStream zipOut, String baseDir) throws IOException{ File[] files = dir.listFiles(); for ( int i = 0 ; i < files.length; i++) { compress(files[i], zipOut, baseDir + dir.getName() + "/" ); } } /** 壓縮一個文件 */ private static void compressFile(File file, ZipOutputStream zipOut, String baseDir) throws IOException{ if (!file.exists()){ return ; } BufferedInputStream bis = null ; try { bis = new BufferedInputStream( new FileInputStream(file)); ZipEntry entry = new ZipEntry(baseDir + file.getName()); zipOut.putNextEntry(entry); int count; byte data[] = new byte [BUFFER]; while ((count = bis.read(data, 0 , BUFFER)) != - 1 ) { zipOut.write(data, 0 , count); } } finally { if ( null != bis){ bis.close(); } } } |
3.解壓縮的實現:
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public static void decompress(String zipFile , String dstPath) throws IOException{ File pathFile = new File(dstPath); if (!pathFile.exists()){ pathFile.mkdirs(); } ZipFile zip = new ZipFile(zipFile); for (Enumeration entries = zip.getEntries();entries.hasMoreElements();){ ZipEntry entry = (ZipEntry)entries.nextElement(); String zipEntryName = entry.getName(); InputStream in = null ; OutputStream out = null ; try { in = zip.getInputStream(entry); String outPath = (dstPath+ "/" +zipEntryName).replaceAll( "\\*" , "/" );; //判斷路徑是否存在,不存在則創建文件路徑 File file = new File(outPath.substring( 0 , outPath.lastIndexOf( '/' ))); if (!file.exists()){ file.mkdirs(); } //判斷文件全路徑是否為文件夾,如果是上面已經上傳,不需要解壓 if ( new File(outPath).isDirectory()){ continue ; } out = new FileOutputStream(outPath); byte [] buf1 = new byte [ 1024 ]; int len; while ((len=in.read(buf1))> 0 ){ out.write(buf1, 0 ,len); } } finally { if ( null != in){ in.close(); } if ( null != out){ out.close(); } } } } |
以上代碼經過測試,可以直接使用。
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持服務器之家。
原文鏈接:http://www.jianshu.com/p/36f87ab9a55b