{"id":168,"date":"2025-08-25T13:38:37","date_gmt":"2025-08-25T05:38:37","guid":{"rendered":"https:\/\/www.ychit.top\/?p=168"},"modified":"2025-09-04T14:52:48","modified_gmt":"2025-09-04T06:52:48","slug":"%e4%bb%80%e4%b9%88%e6%98%afjava%e4%b8%ad%e7%9a%84%e5%8e%8b%e7%bc%a9%e5%92%8c%e8%a7%a3%e5%8e%8b%e7%bc%a9%e6%8a%80%e6%9c%af%ef%bc%9f%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8java%e8%bf%9b%e8%a1%8c%e6%96%87","status":"publish","type":"post","link":"https:\/\/www.ychit.top\/?p=168","title":{"rendered":"\u4ec0\u4e48\u662fJava\u4e2d\u7684\u538b\u7f29\u548c\u89e3\u538b\u7f29\u6280\u672f\uff1f\u5982\u4f55\u4f7f\u7528Java\u8fdb\u884c\u6587\u4ef6\u7684\u538b\u7f29\u548c\u89e3\u538b\u7f29\uff1f"},"content":{"rendered":"\n

Java\u4e2d\u7684\u538b\u7f29\u548c\u89e3\u538b\u7f29\u6280\u672f\u662f\u6307\u901a\u8fc7\u7279\u5b9a\u7b97\u6cd5\u5c06\u6570\u636e\u4f53\u79ef\u51cf\u5c0f\uff08\u538b\u7f29\uff09\u6216\u6062\u590d\u539f\u59cb\u5927\u5c0f\uff08\u89e3\u538b\u7f29\uff09\u7684\u8fc7\u7a0b\uff0c\u5e38\u7528\u4e8e\u6587\u4ef6\u5b58\u50a8\u4f18\u5316\u3001\u7f51\u7edc\u4f20\u8f93\u52a0\u901f\u7b49\u573a\u666f\u3002Java\u63d0\u4f9b\u4e86\u591a\u79cdAPI\u652f\u6301\u4e0d\u540c\u538b\u7f29\u683c\u5f0f\uff0c\u4ee5\u4e0b\u662f\u6838\u5fc3\u6280\u672f\u548c\u4f7f\u7528\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

1. \u6838\u5fc3\u538b\u7f29API\u4e0e\u683c\u5f0f<\/strong><\/h3>\n\n\n\n

Java\u6807\u51c6\u5e93\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u6838\u5fc3\u7c7b\u548c\u63a5\u53e3\uff1a<\/p>\n\n\n\n

\u683c\u5f0f<\/strong><\/th>\u6838\u5fc3\u7c7b<\/strong><\/th>\u63cf\u8ff0<\/strong><\/th><\/tr><\/thead>
ZIP<\/strong><\/td>java.util.zip<\/code>\u5305\uff1a
\u2022 ZipOutputStream<\/code>
\u2022 ZipInputStream<\/code>
\u2022 ZipEntry<\/code><\/td>		\u6700\u5e38\u7528\u7684\u5f52\u6863\u683c\u5f0f\uff0c\u652f\u6301\u591a\u6587\u4ef6\u538b\u7f29\uff0c\u5e26\u76ee\u5f55\u7ed3\u6784\u3002<\/td><\/tr>
GZIP<\/strong><\/td>java.util.zip<\/code>\u5305\uff1a
\u2022 GZIPOutputStream<\/code>
\u2022 GZIPInputStream<\/code><\/td>		\u7528\u4e8e\u5355\u6587\u4ef6\u538b\u7f29\uff0c\u9002\u5408\u6587\u672c\u7c7b\u6570\u636e\uff08\u5982\u65e5\u5fd7\u3001HTML\uff09\u3002<\/td><\/tr>
JAR<\/strong><\/td>java.util.jar<\/code>\u5305\uff1a
\u2022 JarOutputStream<\/code>
\u2022 JarInputStream<\/code><\/td>		\u57fa\u4e8eZIP\u7684Java\u5f52\u6863\u683c\u5f0f\uff0c\u652f\u6301Manifest\u6587\u4ef6\u3002<\/td><\/tr>
Deflater\/Inflater<\/strong><\/td>java.util.zip<\/code>\u5305\uff1a
\u2022 Deflater<\/code>
\u2022 Inflater<\/code><\/td>		\u5e95\u5c42\u538b\u7f29\u7b97\u6cd5\uff08DEFLATE\uff09\uff0c\u53ef\u81ea\u5b9a\u4e49\u538b\u7f29\u7ea7\u522b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

2. \u4f7f\u7528ZIP\u683c\u5f0f\u538b\u7f29\/\u89e3\u538b\u7f29\u591a\u6587\u4ef6<\/strong><\/h3>\n\n\n\n

\u538b\u7f29\u6587\u4ef6<\/strong><\/h4>\n\n\n\n

\u5c06\u591a\u4e2a\u6587\u4ef6\u6253\u5305\u4e3aZIP\uff1a<\/p>\n\n\n\n

import java.io.*;\nimport java.util.zip.*;\n\npublic class ZipExample {\n    public static void main(String[] args) {\n        String[] filesToZip = {\"file1.txt\", \"file2.txt\"};\n        String zipFilePath = \"archive.zip\";\n\n        try (ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFilePath))) {\n            for (String filePath : filesToZip) {\n                File file = new File(filePath);\n                if (file.exists()) {\n                    \/\/ \u521b\u5efaZIP\u6761\u76ee\u5e76\u6dfb\u52a0\u5230ZIP\u6d41\n                    ZipEntry zipEntry = new ZipEntry(file.getName());\n                    zipOut.putNextEntry(zipEntry);\n\n                    \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u5199\u5165ZIP\u6d41\n                    try (FileInputStream fis = new FileInputStream(file)) {\n                        byte[] buffer = new byte[1024];\n                        int length;\n                        while ((length = fis.read(buffer)) > 0) {\n                            zipOut.write(buffer, 0, length);\n                        }\n                    }\n                    zipOut.closeEntry();\n                }\n            }\n            System.out.println(\"ZIP\u538b\u7f29\u5b8c\u6210\uff1a\" + zipFilePath);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n
\u89e3\u538b\u7f29\u6587\u4ef6<\/strong><\/h4>\n\n\n\n
\u4eceZIP\u6587\u4ef6\u4e2d\u63d0\u53d6\u6240\u6709\u6587\u4ef6\uff1a<\/p>\n\n\n\n
import java.io.*;\nimport java.util.zip.*;\n\npublic class UnzipExample {\n    public static void main(String[] args) {\n        String zipFilePath = \"archive.zip\";\n        String destDirectory = \"extracted\";\n\n        try (ZipInputStream zipIn = new ZipInputStream(new FileInputStream(zipFilePath))) {\n            ZipEntry entry = zipIn.getNextEntry();\n            while (entry != null) {\n                String filePath = destDirectory + File.separator + entry.getName();\n                if (!entry.isDirectory()) {\n                    \/\/ \u521b\u5efa\u6587\u4ef6\u5e76\u5199\u5165\u89e3\u538b\u5185\u5bb9\n                    extractFile(zipIn, filePath);\n                } else {\n                    \/\/ \u521b\u5efa\u76ee\u5f55\n                    File dir = new File(filePath);\n                    dir.mkdirs();\n                }\n                zipIn.closeEntry();\n                entry = zipIn.getNextEntry();\n            }\n            System.out.println(\"ZIP\u89e3\u538b\u7f29\u5b8c\u6210\u5230\uff1a\" + destDirectory);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n\n    private static void extractFile(ZipInputStream zipIn, String filePath) throws IOException {\n        try (BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath))) {\n            byte[] bytesIn = new byte[1024];\n            int read;\n            while ((read = zipIn.read(bytesIn)) != -1) {\n                bos.write(bytesIn, 0, read);\n            }\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n
3. \u4f7f\u7528GZIP\u538b\u7f29\/\u89e3\u538b\u7f29\u5355\u6587\u4ef6<\/strong><\/h3>\n\n\n\n
GZIP\u9002\u7528\u4e8e\u5355\u4e2a\u6587\u4ef6\uff08\u5982\u6587\u672c\u3001JSON\uff09\u7684\u538b\u7f29\uff1a<\/p>\n\n\n\n
import java.io.*;\nimport java.util.zip.*;\n\npublic class GzipExample {\n    public static void main(String[] args) {\n        String sourceFile = \"large_text.txt\";\n        String compressedFile = \"large_text.txt.gz\";\n\n        \/\/ \u538b\u7f29\u6587\u4ef6\n        try (FileInputStream fis = new FileInputStream(sourceFile);\n             GZIPOutputStream gzos = new GZIPOutputStream(new FileOutputStream(compressedFile))) {\n            \n            byte[] buffer = new byte[1024];\n            int bytesRead;\n            while ((bytesRead = fis.read(buffer)) != -1) {\n                gzos.write(buffer, 0, bytesRead);\n            }\n            System.out.println(\"GZIP\u538b\u7f29\u5b8c\u6210\uff1a\" + compressedFile);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u89e3\u538b\u7f29\u6587\u4ef6\n        String decompressedFile = \"large_text_decompressed.txt\";\n        try (GZIPInputStream gzis = new GZIPInputStream(new FileInputStream(compressedFile));\n             FileOutputStream fos = new FileOutputStream(decompressedFile)) {\n            \n            byte[] buffer = new byte[1024];\n            int bytesRead;\n            while ((bytesRead = gzis.read(buffer)) != -1) {\n                fos.write(buffer, 0, bytesRead);\n            }\n            System.out.println(\"GZIP\u89e3\u538b\u7f29\u5b8c\u6210\uff1a\" + decompressedFile);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n
4. \u81ea\u5b9a\u4e49\u538b\u7f29\u7ea7\u522b\u4e0e\u6027\u80fd\u4f18\u5316<\/strong><\/h3>\n\n\n\n
\u901a\u8fc7Deflater<\/code>\u8bbe\u7f6e\u538b\u7f29\u7ea7\u522b\uff080-9\uff0c\u9ed8\u8ba4\u4e3a6\uff09\uff1a<\/p>\n\n\n\n
\/\/ \u521b\u5efaZIP\u8f93\u51fa\u6d41\u65f6\u6307\u5b9a\u538b\u7f29\u7ea7\u522b\nZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(\"custom.zip\"));\nzipOut.setLevel(Deflater.BEST_COMPRESSION);  \/\/ \u6700\u9ad8\u538b\u7f29\u6bd4\uff08\u901f\u5ea6\u6162\uff09\n\/\/ \u6216\u4f7f\u7528 Deflater.DEFAULT_COMPRESSION\uff08\u5e73\u8861\uff09\u3001Deflater.BEST_SPEED\uff08\u901f\u5ea6\u5feb\uff09\n<\/code><\/pre>\n\n\n\n
5. \u5904\u7406\u7279\u6b8a\u573a\u666f<\/strong><\/h3>\n\n\n\n
\u9012\u5f52\u538b\u7f29\u76ee\u5f55<\/strong><\/h4>\n\n\n\n
\u538b\u7f29\u6574\u4e2a\u76ee\u5f55\u53ca\u5176\u5b50\u76ee\u5f55\uff1a<\/p>\n\n\n\n
private static void zipDirectory(File dir, String parentPath, ZipOutputStream zipOut) throws IOException {\n    for (File file : dir.listFiles()) {\n        if (file.isDirectory()) {\n            zipDirectory(file, parentPath + file.getName() + \"\/\", zipOut);\n        } else {\n            ZipEntry entry = new ZipEntry(parentPath + file.getName());\n            zipOut.putNextEntry(entry);\n            try (FileInputStream fis = new FileInputStream(file)) {\n                byte[] buffer = new byte[1024];\n                int length;\n                while ((length = fis.read(buffer)) > 0) {\n                    zipOut.write(buffer, 0, length);\n                }\n            }\n            zipOut.closeEntry();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n
\u4f7f\u7528JAR\u683c\u5f0f<\/strong><\/h4>\n\n\n\n
JAR\u662fZIP\u7684\u6269\u5c55\uff0c\u652f\u6301Java\u7279\u5b9a\u7684Manifest\u6587\u4ef6\uff1a<\/p>\n\n\n\n
import java.util.jar.*;\n\n\/\/ \u521b\u5efaJAR\u6587\u4ef6\ntry (JarOutputStream jos = new JarOutputStream(new FileOutputStream(\"myapp.jar\"))) {\n    \/\/ \u6dfb\u52a0Manifest\u6587\u4ef6\n    Manifest manifest = new Manifest();\n    manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, \"1.0\");\n    jos.putNextEntry(new JarEntry(\"META-INF\/MANIFEST.MF\"));\n    manifest.write(jos);\n    jos.closeEntry();\n\n    \/\/ \u6dfb\u52a0\u5176\u4ed6\u6587\u4ef6...\n} catch (IOException e) {\n    e.printStackTrace();\n}\n<\/code><\/pre>\n\n\n\n
6. \u7b2c\u4e09\u65b9\u5e93\u63a8\u8350<\/strong><\/h3>\n\n\n\n
\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u573a\u666f\uff08\u59827-Zip\u3001BZip2\u3001LZMA\uff09\uff0c\u53ef\u4f7f\u7528\u4ee5\u4e0b\u7b2c\u4e09\u65b9\u5e93\uff1a<\/p>\n\n\n\n
    \n
  • Apache Commons Compress<\/strong>\uff1a\u652f\u6301\u66f4\u591a\u538b\u7f29\u683c\u5f0f\uff08\u59827z\u3001ARJ\u3001CPIO\uff09\u3002<\/li>\n\n\n\n
  • XZ for Java<\/strong>\uff1a\u63d0\u4f9bLZMA2\u538b\u7f29\u7b97\u6cd5\u652f\u6301\u3002<\/li>\n\n\n\n
  • JZlib<\/strong>\uff1a\u4f18\u5316\u7684DEFLATE\u5b9e\u73b0\uff0c\u6027\u80fd\u4f18\u4e8e\u6807\u51c6\u5e93\u3002<\/li>\n<\/ul>\n\n\n\n
    \u603b\u7ed3<\/strong><\/h3>\n\n\n\n
    \u9700\u6c42<\/strong><\/th>\u63a8\u8350API<\/strong><\/th>\u793a\u4f8b<\/strong><\/th><\/tr><\/thead>
    \u538b\u7f29\u591a\u6587\u4ef6<\/td>ZipOutputStream<\/code><\/td>zipOut.putNextEntry(new ZipEntry(\"file.txt\"))<\/code><\/td><\/tr>
    \u538b\u7f29\u5355\u6587\u4ef6<\/td>GZIPOutputStream<\/code><\/td>gzos.write(data, 0, length)<\/code><\/td><\/tr>
    \u81ea\u5b9a\u4e49\u538b\u7f29\u7ea7\u522b<\/td>Deflater<\/code><\/td>zipOut.setLevel(Deflater.BEST_SPEED)<\/code><\/td><\/tr>
    \u5904\u7406JAR\u6587\u4ef6<\/td>JarOutputStream<\/code><\/td>jos.putNextEntry(new JarEntry(\"META-INF\/MANIFEST.MF\"))<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u5408\u7406\u9009\u62e9\u538b\u7f29\u683c\u5f0f\u548cAPI\uff0c\u53ef\u9ad8\u6548\u5904\u7406Java\u4e2d\u7684\u6587\u4ef6\u538b\u7f29\u4e0e\u89e3\u538b\u7f29\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    Java\u4e2d\u7684\u538b\u7f29\u548c\u89e3\u538b\u7f29\u6280\u672f\u662f\u6307\u901a\u8fc7\u7279\u5b9a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[23],"class_list":["post-168","post","type-post","status-publish","format-standard","hentry","category-itnews","tag-java"],"_links":{"self":[{"href":"https:\/\/www.ychit.top\/index.php?rest_route=\/wp\/v2\/posts\/168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ychit.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ychit.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ychit.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ychit.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=168"}],"version-history":[{"count":1,"href":"https:\/\/www.ychit.top\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions"}],"predecessor-version":[{"id":169,"href":"https:\/\/www.ychit.top\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions\/169"}],"wp:attachment":[{"href":"https:\/\/www.ychit.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ychit.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ychit.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}