{"id":10008213,"date":"2023-09-01T14:58:56","date_gmt":"2023-09-01T06:58:56","guid":{"rendered":"https:\/\/blog.itmax.cn\/?p=10008213"},"modified":"2023-09-01T14:58:56","modified_gmt":"2023-09-01T06:58:56","slug":"mjdk-%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%8e%8b%e7%bc%a9%e9%80%9f%e7%8e%87%e7%9a%84-5-%e5%80%8d%e6%8f%90%e5%8d%87%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008213","title":{"rendered":"MJDK \u5982\u4f55\u5b9e\u73b0\u538b\u7f29\u901f\u7387\u7684 5 \u500d\u63d0\u5347\uff1f"},"content":{"rendered":"<blockquote><p>MJDK \u662f\u57fa\u4e8e OpenJDK \u6784\u5efa\u7684\u7f8e\u56e2 JDK \u53d1\u884c\u7248\u3002\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd  MJDK \u662f\u5982\u4f55\u5728\u4fdd\u969c java.util.zip.* API \u53ca\u538b\u7f29\u683c\u5f0f\u517c\u5bb9\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u5b9e\u73b0\u538b\u7f29\/\u89e3\u538b\u7f29\u901f\u7387\u63d0\u5347 5-10 \u500d\u7684\u6548\u679c\u3002\u5e0c\u671b\u76f8\u5173\u7684\u7ecf\u9a8c\u80fd\u591f\u5e2e\u52a9\u5230\u66f4\u591a\u7684\u6280\u672f\u540c\u5b66\u3002<\/p><\/blockquote>\n<h2>1 \u524d\u8a00<\/h2>\n<p>\u6570\u636e\u538b\u7f29\u6280\u672f<sup>[1]<\/sup>\u56e0\u53ef\u6709\u6548\u964d\u4f4e\u6570\u636e\u5b58\u50a8\u53ca\u4f20\u8f93\u6210\u672c\uff0c\u5728\u8ba1\u7b97\u673a\u9886\u57df\u6709\u975e\u5e38\u5e7f\u6cdb\u7684\u5e94\u7528\uff08\u5305\u62ec\u7f51\u7edc\u4f20\u8f93\u3001\u6587\u4ef6\u4f20\u8f93\u3001\u6570\u636e\u5e93\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u573a\u666f\uff09\u3002\u4e3b\u6d41\u538b\u7f29\u6280\u672f\u6309\u5176\u539f\u7406\u53ef\u5212\u5206\u4e3a\u65e0\u635f\u538b\u7f29<sup>[2]<\/sup>\u3001\u6709\u635f\u538b\u7f29<sup>[3]<\/sup>\u4e24\u7c7b\uff0c\u5de5\u4f5c\u4e2d\u6211\u4eec\u6700\u5e38\u7528\u7684\u538b\u7f29\u5de5\u5177 zip \u548c gzip \uff0c\u538b\u7f29\u51fd\u6570\u5e93 zlib\uff0c\u90fd\u662f\u65e0\u635f\u538b\u7f29\u6280\u672f\u7684\u5e94\u7528\u3002Java \u5e94\u7528\u4e2d\u5bf9\u538b\u7f29\u5e93\u7684\u4f7f\u7528\u5305\u62ec\uff1a\u5904\u7406 HTTP \u8bf7\u6c42\u65f6\u5bf9 body \u7684\u538b\u7f29\/\u89e3\u538b\u7f29\u64cd\u4f5c\u3001\u4f7f\u7528\u6d88\u606f\u961f\u5217\u670d\u52a1\u65f6\u5bf9\u5927\u6d88\u606f\u4f53\uff08\u5982&gt;1M\uff09\u7684\u538b\u7f29\/\u89e3\u538b\u7f29\u3001\u6570\u636e\u5e93\u5199\u5165\u524d\u53ca\u8bfb\u53d6\u540e\u5bf9\u5927\u5b57\u6bb5\u7684\u538b\u7f29\/\u89e3\u538b\u7f29\u64cd\u4f5c\u7b49\u3002\u5e38\u89c1\u4e8e\u76d1\u63a7\u3001\u5e7f\u544a\u7b49\u6d89\u53ca\u5927\u6570\u636e\u4f20\u8f93\/\u5b58\u50a8\u7684\u4e1a\u52a1\u573a\u666f\u3002<\/p>\n<p>\u7f8e\u56e2\u57fa\u7840\u7814\u53d1\u5e73\u53f0\u66fe\u7ecf\u5f00\u53d1\u8fc7\u4e00\u79cd\u57fa\u4e8e Intel \u7684 isa-l \u5e93\u4f18\u5316\u7684 gzip \u538b\u7f29\u5de5\u5177\u53ca zlib<sup>[4]<\/sup> \u538b\u7f29\u5e93\uff08\u53c8\u79f0\uff1amzlib<sup>[5]<\/sup> \u5e93\uff09\uff0c\u4f18\u5316\u540e\u7684\u538b\u7f29\u901f\u5ea6\u53ef\u63d0\u5347 10 \u500d\uff0c\u89e3\u538b\u7f29\u901f\u5ea6\u80fd\u63d0\u5347 2 \u500d\uff0c\u5e76\u5df2\u5728\u955c\u50cf\u5206\u53d1\u3001\u56fe\u7247\u5904\u7406\u7b49\u573a\u666f\u957f\u671f\u7a33\u5b9a\u4f7f\u7528\u3002\u9057\u61be\u7684\u662f\uff0c\u53d7\u9650\u4e8e JDK<sup>[6]<\/sup> \u5bf9\u538b\u7f29\u5e93\u8c03\u7528\u7684\u5e95\u5c42\u8bbe\u8ba1\uff0c\u516c\u53f8 Java8 \u670d\u52a1\u4e00\u76f4\u65e0\u6cd5\u4f7f\u7528\u4f18\u5316\u540e\u7684 mzlib \u5e93\uff0c\u4e5f\u65e0\u6cd5\u4eab\u53d7\u538b\u7f29\/\u89e3\u538b\u7f29\u901f\u7387\u63d0\u5347\u5e26\u6765\u7684\u6536\u76ca\u3002\u4e3a\u4e86\u5145\u5206\u53d1\u6325 mzlib \u7684\u6027\u80fd\u4f18\u52bf\u4e3a\u4e1a\u52a1\u8d4b\u80fd\uff0c\u5728 MJDK \u7684\u6700\u65b0\u7248\u672c\u4e2d\uff0c\u6211\u4eec\u6539\u9020\u5e76\u96c6\u6210\u4e86 mzlib \u5e93\uff0c\u5b8c\u6210\u4e86JDK\u4e2d java.util.zip.* \u539f\u751f\u7c7b\u5e93\u7684\u4f18\u5316\uff0c\u53ef\u5b9e\u73b0\u5728\u4fdd\u969c API \u53ca\u538b\u7f29\u683c\u5f0f\u517c\u5bb9\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u5c06\u5185\u5b58\u6570\u636e\u538b\u7f29\u901f\u7387\u63d0\u5347 5-10 \u500d\u7684\u6548\u679c\u3002\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u8be5\u7279\u6027\u7684\u6280\u672f\u539f\u7406\uff0c\u5e0c\u671b\u76f8\u5173\u7684\u7ecf\u9a8c\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e9b\u542f\u53d1\u6216\u8005\u5e2e\u52a9\u3002<\/p>\n<h2>2 \u6570\u636e\u538b\u7f29\u6280\u672f<\/h2>\n<p>\u8ba1\u7b97\u673a\u9886\u57df\u7684\u6570\u636e\u538b\u7f29\u6280\u672f\u7684\u53d1\u5c55\u5927\u81f4\u53ef\u5206\u4e3a\u4ee5\u4e0b\u4e09\u4e2a\u9636\u6bb5\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172822\" alt=\"\" title=\"\"><\/p>\n<p>\u8be6\u7ec6\u65f6\u95f4\u8282\u70b9\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>20\u4e16\u7eaa50\uff5e80\u5e74\u4ee3\uff0c\u9999\u519c\u521b\u7acb\u4fe1\u606f\u8bba\uff0c\u4e3a\u6570\u636e\u538b\u7f29\u6280\u672f\u5960\u5b9a\u4e86\u7406\u8bba\u57fa\u7840\u3002\u671f\u95f4\u51fa\u73b0\u591a\u79cd\u7ecf\u5178\u7b97\u6cd5\uff0c\u5982 Huffman \u7f16\u7801\u3001LZ \u7cfb\u5217\u7f16\u7801\u7b49\u3002<\/li>\n<li>1989\u5e74\uff0c<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=0mBUZ7Oo3IBIs3Vypkm%2FAw%3D%3D.COEeoKG0cwZ2BEmnuOINhi5Fa61d5OmdGMTOyRKmr2OL2Admo%2F2Ha35DDP1UWouPpSgcsAEI7y5VLMTu5Ij63p%2FPlhkDz%2FPBBYIDxlEfFsk%3D\" rel=\"noopener noreferrer\">Phil Katz<\/a>\u63a8\u51fa\u6587\u4ef6\u5f52\u6863\u8f6f\u4ef6 PKZIP\uff08zip \u524d\u8eab\uff09\uff0c\u5e76\u516c\u5f00\u6587\u4ef6\u5f52\u6863\u683c\u5f0f zip \u53ca\u5176\u4f7f\u7528\u7684\u6570\u636e\u538b\u7f29\u7b97\u6cd5 deflate\uff08Huffman \u4e0e LZ77 \u7684\u7ec4\u5408\u7b97\u6cd5\uff09\u7684\u6240\u6709\u6280\u672f\u53c2\u6570\u3002<\/li>\n<li>1990\u5e74\uff0c<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=dpPMZe223ztjFi8837cjMg%3D%3D.D%2FRR2CxOzGc3SqCrmM%2F1SmlD5uEg6TfD8picKzbva2KFND5XU8G4aFvdT1ttjK0jq%2B4WQ8fxf8GqxOYaQw58clXqFNcplK7%2FeTd0XTTJMMQY%2FYZuExxaPey9LUnYY0VyrcyYzGzWg3N3rzQKUbOEOA%3D%3D\" rel=\"noopener noreferrer\">Info-ZIP<\/a> \u5c0f\u7ec4\u57fa\u4e8e\u516c\u5f00\u7684 deflate \u7b97\u6cd5\u7f16\u5199\u4e86\u53ef\u79fb\u690d\u7684\u3001\u514d\u8d39\u7684\u3001\u5f00\u6e90\u5b9e\u73b0 zip \u548c unzip\uff0c\u6781\u5927\u5730\u6269\u5c55\u4e86 .zip \u683c\u5f0f\u7684\u4f7f\u7528\u3002<\/li>\n<li>1992\u5e74\uff0cInfo-ZIP \u5c0f\u7ec4\u57fa\u4e8e zip \u7684 deflate \u7b97\u6cd5\u4ee3\u7801\uff0c\u63a8\u51fa\u4e86\u6587\u4ef6\u538b\u7f29\u5de5\u5177 gzip\uff08GUN zip\uff09\uff0c\u7528\u4e8e\u66ff\u4ee3 Unix \u4e0b\u7684 compress\uff08\u6709\u4e13\u5229\u7ea0\u7eb7\uff09\u3002\u901a\u5e38 gzip \u4f1a\u4e0e\u5f52\u6863\u5de5\u5177 tar \u7ed3\u5408\u4f7f\u7528\u6765\u751f\u6210\u538b\u7f29\u7684\u5f52\u6863\u683c\u5f0f\uff0c\u6587\u4ef6\u6269\u5c55\u540d\u4e3a .tar.gz\u3002<\/li>\n<li>1995\u5e74\uff0cInfo-ZIP \u5c0f\u7ec4\u6210\u5458Jean-loup Gailly \u548c Mark Adler \u57fa\u4e8e gzip \u6e90\u7801\u4e2d\u7684 deflate \u7b97\u6cd5\u5b9e\u73b0\uff0c\u63a8\u51fa\u4e86\u538b\u7f29\u5e93\uff1azlib \u3002\u901a\u8fc7\u5e93\u51fd\u6570\u8c03\u7528\u7684\u65b9\u5f0f\uff0c\u4e3a\u5176\u4ed6\u573a\u666f\uff08\u5982PNG\u538b\u7f29\uff09\u63d0\u4f9b\u901a\u7528\u7684\u538b\u7f29\/\u89e3\u538b\u7f29\u80fd\u529b\u3002\u540c\u5e74\uff0c\u5728 RFC \u4e2d\u53d1\u5e03\u4e86 DEFLATE\u3001ZLIB\u3001GZIP \u4e09\u79cd\u6570\u636e\u538b\u7f29\u683c\u5f0f\u3002\u5176\u4e2d DEFLATE \u662f\u539f\u59cb\u538b\u7f29\u6570\u636e\u6d41\u683c\u5f0f\uff0cZLIB\u3001GZIP \u5219\u662f\u5728\u524d\u8005\u7684\u57fa\u7840\u4e0a\u5305\u88c5\u6570\u636e\u5934\u53ca\u6821\u9a8c\u903b\u8f91\u7b49\u3002\u6b64\u540e\u968f\u7740 zip\u3001gzip \u5de5\u5177\u53ca zlib \u5e93\u7684\u5e7f\u6cdb\u5e94\u7528\uff0cDEFLATE \u6210\u4e3a\u4e92\u8054\u7f51\u65f6\u4ee3\u6570\u636e\u538b\u7f29\u683c\u5f0f\u7684\u4e8b\u5b9e\u6807\u51c6\u3002<\/li>\n<li>2010\u5e74\u540e\uff0c\u5404\u5927\u578b\u4e92\u8054\u7f51\u516c\u53f8\u9646\u7eed\u5f00\u6e90\u4e86\u65b0\u7684\u538b\u7f29\u7b97\u6cd5\u53ca\u5b9e\u73b0\uff0c\u5982\uff1aLZFSE\uff08Apple\uff09\u3001<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=VazZaH8jctuYNzHYlK1frQ%3D%3D.EeBeIHwCJ4MnxB2SMNvMV%2BTbyaB5Q2ctGG4X5W5jHxyzRPYQCPDWwM%2FybkvlWisiFjSM7N0%2BzGPggZ9KgccHbgrS59G%2BwMaoz3%2BOJb1WPPtuCL%2B3ST0CzzS%2Fzb8JBc%2Fb\" rel=\"noopener noreferrer\">Brotli<\/a>\uff08Google\uff09\u3001<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=WetfaMsYDMrmSEMxT4LCPw%3D%3D.XL8t5Wv8nkoLrHnD3u2xkljhqvvSPnkVTbRxZZKMrKVjzUxsh%2FOT0vDP67zocaIk\" rel=\"noopener noreferrer\">Zstandard<\/a>\uff08Facebook\uff09\u7b49\uff0c\u5728\u538b\u7f29\u901f\u5ea6\u548c\u538b\u7f29\u6bd4\u65b9\u9762\u5747\u6709\u4e0d\u540c\u7a0b\u5ea6\u7684\u63d0\u5347\u3002\u5e38\u89c1\u7684\u538b\u7f29\u5e93\u5982\u4e0b\uff08\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a\u7531\u4e8e\u538b\u7f29\u7b97\u6cd5\u534f\u8bae\u7684\u5dee\u5f02\uff0c\u8fd9\u4e9b\u51fd\u6570\u5e93\u4e0d\u80fd\u4ea4\u53c9\u4f7f\u7528\uff0c\u6570\u636e\u538b\u7f29\/\u89e3\u538b\u7f29\u5fc5\u987b\u4f7f\u7528\u540c\u4e00\u79cd\u7b97\u6cd5\u64cd\u4f5c\uff09\uff1a<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172823\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>3 \u538b\u7f29\u6280\u672f\u5728 Java \u4e2d\u7684\u5e94\u7528\u53ca\u4f18\u5316\u601d\u8def<\/h2>\n<p>\u524d\u9762\u6211\u4eec\u4ecb\u7ecd\u4e86\u538b\u7f29\u6280\u672f\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u672c\u7ae0\u8282\u4e3b\u8981\u4ecb\u7ecd MJDK8_mzlib \u7248\u672c\u5b9e\u73b0\u538b\u7f29\u901f\u7387 5 \u500d\u63d0\u5347\u7684\u6280\u672f\u539f\u7406\u3002\u5206\u4e24\u90e8\u5206\u8fdb\u884c\u9610\u8ff0\uff1a\u7b2c\u4e00\u90e8\u5206\uff0c\u4ecb\u7ecd\u539f\u751f JDK \u4e2d\u538b\u7f29\/\u89e3\u538b\u7f29 API \u7684\u5e95\u5c42\u539f\u7406\uff1b\u7b2c\u4e8c\u90e8\u5206\uff0c\u5206\u4eab MJDK \u7684\u4f18\u5316\u601d\u8def\u3002<\/p>\n<h3>3.1 Java \u8bed\u8a00\u4e2d\u538b\u7f29\/\u89e3\u538b\u7f29 API \u5b9e\u73b0\u539f\u7406<\/h3>\n<p>Java \u8bed\u8a00\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 JDK \u539f\u751f\u538b\u7f29\u7c7b\u5e93\uff08java.util.zip.*\uff09\u6216\u7b2c\u4e09\u65b9 Jar \u5305\u63d0\u4f9b\u7684\u538b\u7f29\u7c7b\u5e93\u4e24\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\u6570\u636e\u538b\u7f29\/\u89e3\u538b\u7f29\uff0c\u5176\u5e95\u5c42\u539f\u7406\u662f\u901a\u8fc7 JNI (Java Native Interface) \u673a\u5236\uff0c\u8c03\u7528 JDK \u6e90\u7801\u6216\u7b2c\u4e09\u65b9 Jar \u5305\u4e2d\u63d0\u4f9b\u7684\u5171\u4eab\u5e93\u51fd\u6570\u3002\u8be6\u7ec6\u5bf9\u6bd4\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172824\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5176\u4e2d\u5728\u4f7f\u7528\u65b9\u5f0f\u4e0a\uff0c\u4e24\u8005\u533a\u522b\u53ef\u53c2\u8003\u5982\u4e0b\u4ee3\u7801\u3002<\/p>\n<p>\uff081\uff09JDK \u539f\u751f\u538b\u7f29\u7c7b\u5e93\uff08zlib \u538b\u7f29\u5e93\uff09<\/p>\n<p><strong>zip \u6587\u4ef6\u538b\u7f29\/\u89e3\u538b\u7f29\u4ee3\u7801 demo\uff08Java\uff09<\/strong><\/p>\n<pre><code>public class ZipUtil {\n      \/\/\u538b\u7f29\n    public void compress(File file, File zipFile) {\n        byte[] buffer = new byte[1024];\n        try {\n            InputStream     input  = new FileInputStream(file);\n            ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile));\n            zipOut.putNextEntry(new ZipEntry(file.getName()));\n            int length = 0;\n            while ((length = input.read(buffer)) != -1) {\n                zipOut.write(buffer, 0, length);\n            }\n            input.close();\n            zipOut.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n\n  \/\/\u89e3\u538b\u7f29\n    public void uncompress(File file, File outFile) {\n        byte[] buffer = new byte[1024];\n        try {\n            ZipInputStream input  = new ZipInputStream(new FileInputStream(file));\n            OutputStream   output = new FileOutputStream(outFile);\n            if (!outFile.getParentFile().exists()) {\n                outFile.getParentFile().mkdir();\n            }\n            if (!outFile.exists()) {\n                outFile.createNewFile();\n            }\n\n            int length = 0;\n            while ((length = input.read(buffer)) != -1) {\n                output.write(buffer, 0, length);\n            }\n            input.close();\n            output.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<p><strong>gzip \u6587\u4ef6\u538b\u7f29\/\u89e3\u538b\u7f29\u4ee3\u7801 demo\uff08Java\uff09<\/strong><\/p>\n<pre><code>public class GZipUtil {\n    public void compress(File file, File outFile) {\n        byte[] buffer = new byte[1024];\n        try {\n            InputStream      input  = new FileInputStream(file);\n            GZIPOutputStream gzip   = new GZIPOutputStream(new FileOutputStream(outFile));\n            int              length = 0;\n            while ((length = input.read(buffer)) != -1) {\n                gzip.write(buffer, 0, length);\n            }\n            input.close();\n            gzip.finish();\n            gzip.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n\n    public void uncompress(File file, File outFile) {\n        try {\n            FileOutputStream out    = new FileOutputStream(outFile);\n            GZIPInputStream  ungzip = new GZIPInputStream(new FileInputStream(file));\n            byte[]           buffer = new byte[1024];\n            int              n;\n            while ((n = ungzip.read(buffer)) &gt; 0) {\n                out.write(buffer, 0, n);\n            }\n            ungzip.close();\n            out.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<p>\uff082\uff09\u7b2c\u4e09\u65b9\u538b\u7f29\u7c7b\u5e93\uff08\u6b64\u5904\u4ee5Google\u63a8\u51fa\u7684<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=c%2FtHJWAuTwHmQJRNEKLDhg%3D%3D.rNSNG%2Bpx6aU%2FdgxXpQBD95BxUH1qS3c6yMIfEMwMi7GLc6Z6Gh7RrIItsZM6Gnzl\" rel=\"noopener noreferrer\">snappy<\/a>\u538b\u7f29\u5e93\u4e3e\u4f8b\uff0c\u5176\u4ed6\u7b2c\u4e09\u65b9\u7c7b\u5e93\u539f\u7406\u57fa\u672c\u7c7b\u4f3c\uff09\u5206\u6210\u4e24\u6b65\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff1apom\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4f9d\u8d56Jar\u5305\uff08C\u8bed\u8a00\uff09<\/p>\n<pre><code>          &lt;dependency&gt;\n            &lt;groupId&gt;org.xerial.snappy&lt;\/groupId&gt;\n            &lt;artifactId&gt;snappy-java&lt;\/artifactId&gt;\n            &lt;version&gt;1.1.8.4&lt;\/version&gt;\n        &lt;\/dependency&gt;<\/code><\/pre>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u7b2c\u4e8c\u6b65\uff0c\u8c03\u7528\u63a5\u53e3\u8fdb\u884c\u538b\u7f29\/\u89e3\u538b\u7f29\u64cd\u4f5c\uff08C\u8bed\u8a00\uff09<\/p>\n<pre><code>public class SnappyDemo {\n    public static void main(String[] args) {\n        String input = &quot;Hello snappy-java! Snappy-java is a JNI-based wrapper of &quot;\n                + &quot;Snappy, a fast compresser\/decompresser.&quot;;\n        byte[] compressed = new byte[0];\n        try {\n            compressed = Snappy.compress(input.getBytes(&quot;UTF-8&quot;));\n            byte[] uncompressed = Snappy.uncompress(compressed);\n            String result = new String(uncompressed, &quot;UTF-8&quot;);\n            System.out.println(result);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }<\/code><\/pre>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0cJDK \u4e2d\u9ed8\u8ba4\u4f7f\u7528\u7684\u538b\u7f29\u5e93\u662f zlib\uff0c\u867d\u7136\u4e1a\u52a1\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u65b9 Jar \u5305\u7684\u65b9\u5f0f\u4f7f\u7528\u5176\u4ed6\u7684\u538b\u7f29\u5e93\u7b97\u6cd5\uff0c\u4f46\u662f\u56e0\u4e3a Snappy \u7b49\u7b97\u6cd5\u7684\u538b\u7f29\u6570\u636e\u683c\u5f0f\u4e0e zlib \u652f\u6301\u7684 DEFLATE\u3001ZLIB\u3001GZIP \u4e0d\u540c\uff0c\u6df7\u5408\u4f7f\u7528\u4f1a\u6709\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c zlib \u5e93\uff081995\u5e74\u63a8\u51fa\uff09\u672c\u8eab\u7684\u8fed\u4ee3\u901f\u5ea6\u975e\u5e38\u7f13\u6162\uff08\u539f\u56e0\uff1a\u5e94\u7528\u8303\u56f4\u5e7f\u4e14\u7a33\u5b9a\u3001\u65e0\u5546\u4e1a\u7ec4\u7ec7\u7ef4\u62a4\uff09\uff0c\u8fd9\u91cc\u4f7f\u7528\u6d4b\u8bd5\u96c6 <a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=dp1IymHAHikJLRiLp98UiA%3D%3D.S8I5YV6roY2IEAVnUyPz5EpWvxXburZCSMeFON4YLMWBWfqKrhR73QUjO3TzhLqEKR4g%2Fe%2BRgxoYzVWS2p9u%2FQ%3D%3D\" rel=\"noopener noreferrer\">Silesia corpus<\/a> \u6d4b\u8bd5\u4e86 OpenJDK 7u76\uff082014 \u5e74\u53d1\u884c\uff09\u30018u45\uff082015 \u5e74\u53d1\u884c\uff09\u30018u312\uff082022 \u5e74\u53d1\u884c\uff09\u4e2d\u5185\u7f6e\u538b\u7f29\u7c7b\u5e93\u7684\u6027\u80fd\uff0c\u4ece\u56fe\u8868\u4e2d\u53ef\u770b\u51fa\uff0c\u4e09\u8005\u5728\u538b\u7f29\u8017\u65f6\u3001\u538b\u7f29\u6bd4\u4e24\u65b9\u9762\u5747\u672a\u6709\u660e\u663e\u7684\u4f18\u5316\u6548\u679c\uff0c\u96be\u4ee5\u6ee1\u8db3\u4e1a\u52a1\u65e5\u76ca\u589e\u957f\u7684\u538b\u7f29\u6027\u80fd\u9700\u6c42\u573a\u666f\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9009\u62e9\u5728 MJDK \u4e2d\u96c6\u6210 zlib \u4f18\u5316\uff0c\u5b9e\u73b0\u65e2\u517c\u5bb9\u539f\u751f\u63a5\u53e3\u5b9e\u73b0\uff0c\u53c8\u80fd\u63d0\u5347\u538b\u7f29\u6027\u80fd\u7684\u6548\u679c\u3002<\/p>\n<blockquote><p>Silesia corpus\u662f\u538b\u7f29\u65b9\u6cd5\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\u96c6\uff0c\u63d0\u4f9b\u4e00\u5957\u6db5\u76d6\u73b0\u65f6\u4f7f\u7528\u7684\u5178\u578b\u8d44\u6599\u7c7b\u522b\u7684\u6863\u6848\u8d44\u6599\u3002\u6587\u4ef6\u7684\u5927\u5c0f\u57286 MB \u523051 MB \u4e4b\u95f4\uff0c\u6587\u4ef6\u683c\u5f0f\u5305\u62ec text\u3001exe\u3001html\u3001picture\u3001database\u3001bin data \u7b49\u3002\u6d4b\u8bd5\u6570\u636e\u7c7b\u522b\u5982\u4e0b\uff1a<\/p><\/blockquote>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172825\" alt=\"Silesia corpus \u6d4b\u8bd5\u96c6\u8bf4\u660e\" title=\"Silesia corpus \u6d4b\u8bd5\u96c6\u8bf4\u660e\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172826\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172827\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>3.2 MJDK \u4f18\u5316\u65b9\u6848<\/h3>\n<p>\u901a\u8fc7 3.1 \u7ae0\u8282\uff0c\u6211\u4eec\u77e5\u9053 Java \u539f\u751f\u7684 java.util.zip.* \u7c7b\u5e93\u4e2d\u7684\u6570\u636e\u538b\u7f29\/\u89e3\u538b\u7f29\u80fd\u529b\u6700\u7ec8\u662f\u8c03\u7528 zlib \u5e93\u5b9e\u73b0\u7684\uff0c\u56e0\u6b64 JDK \u7684\u538b\u7f29\u6027\u80fd\u63d0\u5347\u95ee\u9898\u5c31\u53ef\u8f6c\u6362\u4e3a\u5bf9 JDK \u4f7f\u7528\u7684 zlib \u5e93\u7684\u4f18\u5316\u3002<\/p>\n<h4>3.2.1 \u4f18\u5316\u601d\u8def<\/h4>\n<p>\u9664\u539f\u751f zlib \u5916\uff0c\u540c\u6837\u4f7f\u7528 deflate \u7b97\u6cd5\u7684\u538b\u7f29\u5e93\u6709<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=7dRJUdOIwor3W8Hv5jTfYg%3D%3D.Us%2BH5LqDQQxNOCuSBrO9%2FdTwYQmUeGugqMWMhs1lpTE%3D\" rel=\"noopener noreferrer\">Intel ISA-L<\/a>\u3001<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=g%2FzKeOO6RxvOG7w%2BzH6vyA%3D%3D.XylchnKnQaHTJfXAZ8zRtAddeaQdn%2BLBy7tRHHojOc4fr3GnmyyRuoFJ%2F1pIp8xl6OAPqXIVQAJywIZ7JqDvqQja8k%2BF6Afrvedc10qP5pE%3D\" rel=\"noopener noreferrer\">Intel IPP<\/a>\u3001<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=kxCZPPBw3qlAdW0MLHrufA%3D%3D.bkAHzjITu4hf71PMtsUN9ZlHN%2B9FVPOdJ0URuoAb2u1%2F30dp6TEFQqchahrRnRu2\" rel=\"noopener noreferrer\">Zopfli<\/a>\uff0c\u76f4\u63a5\u57fa\u4e8e zlib \u6e90\u7801\u4f18\u5316\u7684\u9879\u76ee\u6709 <a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=x6T89GWk8neSsrJJQMKe7g%3D%3D.ykCNwUdDdRSgf6LaeK4dS2DtYAexGCi6SE6PacMbqQJ0XhaHJWV26Fy9NV5OmRChBdbJ18gnnVBtdJaZnyTeDChE7O1tMhaQqUORF9bFsoSr%2FmVfReH1eh0rgTGSDReyJduDau29qlQXYq1giam%2FZTimb8BGADAZoSXIoFGCy3E%3D\" rel=\"noopener noreferrer\">zlib-cloudflare<\/a>\uff0c\u5b83\u4eec\u4e0e zlib \u95f4\u7684\u5bf9\u6bd4\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172828\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u7efc\u4e0a\uff0c\u6211\u4eec\u9009\u62e9\u57fa\u4e8e Intel \u5f00\u6e90\u7684 ISA-L\uff08\u539f\u7406\u662f\u4f7f\u7528 intel sse\/avx\/avx2\/avx256 \u7684\u6269\u5c55\u6307\u4ee4\uff0c\u5e76\u884c\u8fd0\u7b97\u591a\u4e2a\u6d41\u6765\u63d0\u5347\u5e95\u5c42\u51fd\u6570\u7684\u6267\u884c\u6027\u80fd\uff09 \u6765\u5b8c\u6210 zlib \u7684\u6539\u9020\u4f18\u5316\u3002<\/p>\n<p><strong>1. zlib \u6539\u9020\u6d41\u7a0b\uff08\u91cd\u70b9\u5728 API \u7684\u517c\u5bb9\u6027\u6539\u9020\uff09<\/strong><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172830\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4f18\u5316\u540e\u7684 mzlib \u5e93\u5728\u7ebf\u4e0a\u7a33\u5b9a\u8fd0\u884c 3 \u5e74\u4ee5\u4e0a\uff0c\u538b\u7f29\u901f\u7387\u63d0\u5347\u5728 5 \u500d\u4ee5\u4e0a\uff0c\u6709\u6548\u89e3\u51b3\u4e86\u4e0a\u6587\u63d0\u5230\u57fa\u7840\u7814\u53d1\u5e73\u53f0\u66fe\u5728\u955c\u50cf\u6784\u5efa\u3001\u56fe\u7247\u5904\u7406\u7b49\u573a\u666f\u9762\u4e34\u8fc7\u538b\u7f29\/\u89e3\u538b\u7f29\u8017\u65f6\u8f83\u9ad8\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>2. JDK \u5c42\u9762\u53d8\u66f4<\/strong><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172831\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h4>3.2.2 \u4f18\u5316\u6548\u679c<\/h4>\n<p><strong>\u6d4b\u8bd5\u8bf4\u660e<\/strong><\/p>\n<ul>\n<li>\u6d4b\u8bd5\u96c6\uff1a<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=VxkZlwXQKL3Y2%2FdJObT5jw%3D%3D.VkGrlUlHPgvZWQaCSluK%2B%2BgVHT%2BoT%2BUtJE%2BqP1oG%2F6W056Ed2hoXltoWpFc7NK%2BuzwMM39ZtqNbxonK8JQBbWg%3D%3D\" rel=\"noopener noreferrer\">Silesia corpus<\/a><\/li>\n<li>\u6d4b\u8bd5\u5185\u5bb9\uff1aGZip \u538b\u7f29\/\u89e3\u538b\u7f29\u6587\u4ef6\u3001Zip \u538b\u7f29\/\u89e3\u538b\u7f29\u6587\u4ef6<\/li>\n<\/ul>\n<p><strong>\u6d4b\u8bd5\u7ed3\u8bba<\/strong><\/p>\n<ul>\n<li>\u517c\u5bb9\u6027\u6d4b\u8bd5\uff08\u901a\u8fc7\uff09\uff1a\u6539\u9020\u540e\u7684 Java \u7c7b\u5e93\u7684 Zip\u3001Gzip \u538b\u7f29\/\u89e3\u538b\u7f29\u63a5\u53e3\u53ef\u6b63\u5e38\u4f7f\u7528\uff0c\u4e0e\u539f\u751f JDK \u4e2d\u7684\u63a5\u53e3\u4ea4\u53c9\u8fdb\u884c\u538b\u7f29\/\u89e3\u538b\u7f29\u64cd\u4f5c\u9a8c\u8bc1\u901a\u8fc7\u3002<\/li>\n<li>\u6027\u80fd\u6d4b\u8bd5\uff08\u901a\u8fc7\uff09\uff1a\u5728\u540c\u4e00\u57fa\u51c6 update \u7248\u672c\u4e0b\uff0cMJDK8_mzlib \u6570\u636e\u538b\u7f29\u8017\u65f6\u6bd4 OpenJDK8 \u964d\u4f4e 5-10 \u500d\uff0c\u538b\u7f29\u6bd4\u65e0\u8f83\u5927\u6ce2\u52a8\uff08\u589e\u52a0 3% \u5de6\u53f3\uff09\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172832\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044172833\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u76ee\u524d\uff0c\u7f8e\u56e2\u5185\u90e8\u7684\u6587\u6863\u534f\u540c\u670d\u52a1\u5df2\u4f7f\u7528\u8be5 MJDK \u7248\u672c\uff0c\u8fdb\u884c\u7528\u6237\u534f\u540c\u7f16\u8f91\u8bb0\u5f55\u6570\u636e\uff08&gt; 6M\uff09\u7684\u538b\u7f29\u5b58\u50a8\uff0c\u9a8c\u8bc1\u4e86\u8be5\u529f\u80fd\u5728\u7ebf\u4e0a\u7684\u7a33\u5b9a\u8fd0\u884c\uff0c\u538b\u7f29\u6027\u80fd\u63d0\u5347\u5728 5 \u500d\u4ee5\u4e0a\u3002<\/p>\n<h2>4 \u672c\u6587\u4f5c\u8005<\/h2>\n<p>\u8273\u6885\uff0c\u6765\u81ea\u7f8e\u56e2\u57fa\u7840\u7814\u53d1\u5e73\u53f0\u3002<\/p>\n<h2>5 \u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li>[1] <a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=pG6M196agkBhemzNVFNuGA%3D%3D.h7zGQuNJjolCPg4u%2FLLny5DQUOxGK5j%2Bqy2%2Fap%2F3Mj%2BM1e3chMNVIM%2Bn%2FupzG5Aatm3csoN5eSd9pJ4AQ3bTaA%3D%3D\" rel=\"noopener noreferrer\">Comparison of Brotli, Deflate, Zopfli, LZMA, LZHAM and Bzip2 Compression Algorithms<\/a><\/li>\n<li>[2] <a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=H3aTBjbMpUvrHck%2FDtXuOw%3D%3D.EfuFZqtltP4dO0LWYh8VdlAXKA2RxEIQXjvhpkM%2F%2FGungp2ueEbweTa2OQ26aY5wI4qyPVQyXxvwpK7Hg%2BzEY7CbxV3eZPV%2BFCVLthgYataEWkAYcw6YMvyULDAw00pX%2BGwORa7QJYXu%2BJv%2FDrtj6kEUXdvlkbqcOUr28PSnL9j620J1FL1Q%2FAYWaA6fvLIJ\" rel=\"noopener noreferrer\">zip\u3001gzip\u3001zlib\u7684\u533a\u522b<\/a><\/li>\n<\/ul>\n<p><strong>\u6ce8\u91ca<\/strong><\/p>\n<ul>\n<li>[1] \u6570\u636e\u538b\u7f29\u6280\u672f\uff1a\u5728\u4e0d\u4e22\u5931\u6709\u7528\u4fe1\u606f\u7684\u524d\u63d0\u4e0b\uff0c\u901a\u8fc7\u76f8\u5e94\u7684\u7b97\u6cd5\u7f29\u51cf\u4fe1\u6e90\u6570\u636e\u5197\u4f59\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u5b58\u50a8\u3001\u4f20\u8f93\u548c\u5904\u7406\u6548\u7387\u7684\u6280\u672f\u3002<\/li>\n<li>[2] \u65e0\u635f\u538b\u7f29\uff1a\u5229\u7528\u6570\u636e\u7684\u7edf\u8ba1\u5197\u4f59\u8fdb\u884c\u538b\u7f29\uff0c\u5e38\u89c1\u7684\u65e0\u635f\u538b\u7f29\u7f16\u7801\u65b9\u6cd5\u6709 Huffman\u7f16\u7801\uff0c\u7b97\u672f\u7f16\u7801\uff0cLZ \u7f16\u7801\uff08\u5b57\u5178\u538b\u7f29\uff09\u7b49\u3002\u6570\u636e\u7edf\u8ba1\u5197\u4f59\u5ea6\u7684\u7406\u8bba\u9650\u5236\u4e3a2:1\u52305:1\uff0c\u6240\u4ee5\u65e0\u635f\u538b\u7f29\u7684\u538b\u7f29\u6bd4\u4e00\u822c\u6bd4\u8f83\u4f4e\u3002\u8fd9\u7c7b\u65b9\u6cd5\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6587\u672c\u6570\u636e\u3001\u7a0b\u5e8f\u7b49\u9700\u8981\u7cbe\u786e\u5b58\u50a8\u6570\u636e\u7684\u538b\u7f29\uff0c<\/li>\n<li>\n<p>[3] \u6709\u635f\u538b\u7f29\uff1a\u5229\u7528\u4e86\u4eba\u7c7b\u89c6\u89c9\u3001\u542c\u89c9\u5bf9\u56fe\u50cf\u3001\u58f0\u97f3\u4e2d\u7684\u67d0\u4e9b\u9891\u7387\u6210\u5206\u4e0d\u654f\u611f\u7684\u7279\u6027\uff0c\u5141\u8bb8\u538b\u7f29\u7684\u8fc7\u7a0b\u4e2d\u635f\u5931\u4e00\u5b9a\u7684\u4fe1\u606f\uff0c\u4ee5\u6b64\u6362\u6765\u66f4\u5927\u7684\u538b\u7f29\u6bd4\u3002\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8bed\u97f3\u3001\u56fe\u50cf\u548c\u89c6\u9891\u6570\u636e\u7684\u538b\u7f29\u3002<br \/>-[4] zlib\uff1azlib \u662f\u57fa\u4e8e DEFLATE \u7b97\u6cd5\u5b9e\u73b0\u7684\uff0c\u4e00\u5957\u5b8c\u5168\u5f00\u6e90\u3001\u901a\u7528\u7684\u65e0\u635f\u6570\u636e\u538b\u7f29\u5e93\u3002\u4e5f\u662f\u76ee\u524d\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u538b\u7f29\u5e93\u3002\u5728\u7f51\u7edc\u4f20\u8f93\u3001\u64cd\u4f5c\u7cfb\u7edf\u3001\u56fe\u50cf\u5904\u7406\u7b49\u9886\u57df\u5747\u6709\u5927\u91cf\u4f7f\u7528\u3002\u6bd4\u5982\uff1a<\/p>\n<ul>\n<li><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=iYf66qJj9RVItPWpSuLHOQ%3D%3D.6hDPNfo0jhtLZQ96To4K05lvoW59VN%2FVUO9w%2BjTNvLSPzTn4C59F951FcxcPIKbI5C2qnOqzZ7iCoqmlyUhBQw%3D%3D\" rel=\"noopener noreferrer\">Linux kernel<\/a>\uff1a\u4f7f\u7528zlib\u4ee5\u5b9e\u4f5c\u7f51\u8def\u534f\u5b9a\u7684\u538b\u7f29\u3001<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=UGcU%2BF1bMOY8ZoTavyAB2A%3D%3D.pNiDczmNnR9aFT7eugTiw58MoLfJZI9YoLArSmcW7TCVXjPoMU08kUyrj5hmOEstAfcvVTrTeMxAiNc%2F24r%2F9l4EATTou%2FSzwvcx1CW%2Bu58%3D\" rel=\"noopener noreferrer\">\u6863\u6848\u7cfb\u7edf<\/a>\u7684\u538b\u7f29\u4ee5\u53ca\u5f00\u673a\u65f6\u89e3\u538b\u7f29\u81ea\u8eab\u7684\u6838\u5fc3\u3002<\/li>\n<li>libpng\u2014\uff1a\u7528\u4e8e<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=j%2BE4EPTbkw%2FqsRGoUIUUOA%3D%3D.GketirrodQjHlXBc4FE2AaEzKK4a2q1R0ccUb6%2BmB2OnBk0e4TgUJidmtGyZz2G7\" rel=\"noopener noreferrer\">PNG<\/a>\u56fe\u5f62\u683c\u5f0f\u7684\u4e00\u4e2a\u5b9e\u73b0\uff0c\u5bf9<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=NdmXTXN68rL6fDOGU67iEw%3D%3D.P5pN7RA6zPjrJw5xhrE1Xw222LusBWcnq%2F7jK2SZSEEuUVeKq2xV17zw%2B%2BmqwwFj\" rel=\"noopener noreferrer\">bitmap<\/a>\u6570\u636e\u89c4\u5b9a\u4e86 DEFLATE \u4f5c\u4e3a\u6d41\u538b\u7f29\u65b9\u6cd5\u3002<\/li>\n<li>HTTP\u534f\u8bae\uff1a\u4f7f\u7528 zlib \u5bf9 HTTP \u54cd\u5e94\u5934\u6570\u636e\u8fdb\u884c\u538b\u7f29\/\u89e3\u538b\u7f29\u3002<\/li>\n<li><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=0FCq5JV6KE3oLVinkLmf%2Fg%3D%3D.HhzOvsubMjmL2dbvwr2I7Igh36auJHC2abd8Bzx837E%2FC2BRmaHY5g9%2BSOilob6N\" rel=\"noopener noreferrer\">OpenSSH<\/a>\u3001<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=maRtUWdk0rqjV193YHNbbg%3D%3D.1aT%2Bm3KGx8ZuMrcgc8%2B%2BUipGl6sbbpNAgqy0uNw3azdDBI7WBhrmJKPpqscUaOac\" rel=\"noopener noreferrer\">OpenSSL<\/a>\uff1a\u4ee5 zlib \u8fbe\u5230\u6700\u4f73\u5316\u52a0\u5bc6\u7f51\u8def\u4f20\u8f93\u3002<\/li>\n<li><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=OhbmaGLIriTRtbo1CXUKPw%3D%3D.3CKery8EQvpxwWfVrQYlfJSqTP4QDnVjgHX79JOo6gRFffPQmw07vQKog93RNwbk\" rel=\"noopener noreferrer\">Subversion<\/a>\u3001<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=ggoRtkwdihv0zyxgA7hdcg%3D%3D.5fPrkixlFobEvH3BY6%2BOY5crb%2BRPw5kivcGSvgLHqjX0n7tTbSGFbG9a52WJzZDm\" rel=\"noopener noreferrer\">Git<\/a> \u548c<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=F9BYiupz2nsM2IJa2yohOA%3D%3D.ZawgDMnyCqyG0wlDS%2BWY1nCnHTOZUlaYZXrHVHdH7aod5aHJby%2BOhF3QaxSRkHn0\" rel=\"noopener noreferrer\">CVS<\/a> \u7b49<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=1LJ%2Fyz1YidnaDwv6hk6Ufw%3D%3D.ATQPHWAteDNaQ8kAUM7q0a8TizlfT%2F6cG2x8geS%2BwqhdRhK6kiEXYKdtRSs%2FomEV0rZSpER9X9PljVWxm3MmOVkxzzlpJxNguqURSYZZBpE%3D\" rel=\"noopener noreferrer\">\u7248\u672c\u63a7\u5236\u7cfb\u7edf<\/a>\uff0c\u4f7f\u7528 zlib \u6765\u538b\u7f29\u548c\u8fdc\u7aef\u4ed3\u5e93\u7684\u901a\u8baf\u6d41\u91cf\u3002<\/li>\n<li><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=6XAvwV2YwC0lrivCEt4BFQ%3D%3D.ZhuJy77YhX%2BPaCa3T82p4dSs779xzfE2xpObb3zl6epALes%2FPr1i%2FRHIGvqvzcYx\" rel=\"noopener noreferrer\">dpkg<\/a>\u548c<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=ssU4rWXoSDq9D1mRV9tTAQ%3D%3D.7VPBEXdehcJodTkPxD7R2bRbekoETbghtd93XXD9hr2Zx4F0slIOIhuc1BEOGtCp\" rel=\"noopener noreferrer\">RPM<\/a>\u7b49\u5305\u7ba1\u7406\u8f6f\u4ef6\uff1a\u4ee5 zlib \u89e3\u538b\u7f29 RPM \u6216\u8005\u5176\u4ed6\u5c01\u5305\u3002<\/li>\n<\/ul>\n<\/li>\n<li>[5] mzlib\uff1a\u7f8e\u56e2\u57fa\u4e8e Intel \u7684 isa-l \u5e93\u4f18\u5316\u7684 zlib \u538b\u7f29\u5e93\u3002<\/li>\n<li>[6] JDK\uff1aJava Development Kit\uff0c\u662f Sun \u516c\u53f8\u9488\u5bf9<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=ujf4OmTjqKFoUJAWzJZ0pQ%3D%3D.6Erj7gNevx86fkhpanmptg9M1LaNQyBRimgAk0jAUf0mMirg00QIX%2BHiA0JOOSZF\" rel=\"noopener noreferrer\">Java<\/a>\u5f00\u53d1\u4eba\u5458\u53d1\u5e03\u7684\u514d\u8d39<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=AHX9YgXghVej0P7pfzwyyA%3D%3D.QDB2fu%2BbytJeFElavqkdEKZ843cAcbVP8C5ZbhQ3rd5BxjnPCKABrVPWKXOMVUpGJNkLQlwbTkjc%2FjfVzzfYtdssGuPJHRYiMrZkR%2FI1ykvPi%2BPFvWIuBPGQMDp8gK2w\" rel=\"noopener noreferrer\">\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305<\/a>\uff0c\u662f Java \u5f00\u53d1\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u5305\u542b\u4e86 Java \u7f16\u8bd1\u5668\u3001Java \u865a\u62df\u673a\u3001Java \u7c7b\u5e93\u7b49\u5f00\u53d1\u5de5\u5177\u548c\u8d44\u6e90\u3002<\/li>\n<li>[7] JNI (Java Native Interface) \uff1a<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=7bYryT6S6LBDVTtVF5UILA%3D%3D.9afP90ajp3ETYvZB7MGtNulzSZx5ohJVUAsmDlR5pcRZeWvtsNoMToXh%2BZW9PNxz9ymS08zNeKwjt1RZFslB1EXV2fzLMgc1aFpmmEpytlCuZtT6rwvxDok%2FcbHK85Hj\" rel=\"noopener noreferrer\">JNI<\/a>\u662f\u4e00\u4e2a\u672c\u5730\u7f16\u7a0b\u63a5\u53e3\u3002\u5b83\u5141\u8bb8\u5728 Java \u865a\u62df\u673a\u4e2d\u8fd0\u884c\u7684 Java \u4ee3\u7801\u4e0e\u7528\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\uff08\u5982 C\u3001C++ \u548c\u6c47\u7f16\uff09\u7f16\u5199\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u5e93\u8fdb\u884c\u4e92\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>|<\/strong>  \u5728\u7f8e\u56e2\u516c\u4f17\u53f7\u83dc\u5355\u680f\u5bf9\u8bdd\u6846\u56de\u590d\u30102022\u5e74\u8d27\u3011\u3001\u30102021\u5e74\u8d27\u3011\u3001\u30102020\u5e74\u8d27\u3011\u3001\u30102019\u5e74\u8d27\u3011\u3001\u30102018\u5e74\u8d27\u3011\u3001\u30102017\u5e74\u8d27\u3011\u7b49\u5173\u952e\u8bcd\uff0c\u53ef\u67e5\u770b\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u5386\u5e74\u6280\u672f\u6587\u7ae0\u5408\u96c6\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042283403\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>| \u672c\u6587\u7cfb\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u51fa\u54c1\uff0c\u8457\u4f5c\u6743\u5f52\u5c5e\u7f8e\u56e2\u3002\u6b22\u8fce\u51fa\u4e8e\u5206\u4eab\u548c\u4ea4\u6d41\u7b49\u975e\u5546\u4e1a\u76ee\u7684\u8f6c\u8f7d\u6216\u4f7f\u7528\u672c\u6587\u5185\u5bb9\uff0c\u656c\u8bf7\u6ce8\u660e\u201c\u5185\u5bb9\u8f6c\u8f7d\u81ea\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u201d\u3002\u672c\u6587\u672a\u7ecf\u8bb8\u53ef\uff0c\u4e0d\u5f97\u8fdb\u884c\u5546\u4e1a\u6027\u8f6c\u8f7d\u6216\u8005\u4f7f\u7528\u3002\u4efb\u4f55\u5546\u7528\u884c\u4e3a\uff0c\u8bf7\u53d1\u9001\u90ae\u4ef6\u81f3<a target=\"_blank\" href=\"https:\/\/segmentfault.com\/a\/mailto:tech@meituan.com\" rel=\"noopener noreferrer\">tech@meituan.com<\/a>\u7533\u8bf7\u6388\u6743\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044172820\">https:\/\/segmentfault.com\/a\/1190000044172820<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>MJDK \u662f\u57fa\u4e8e OpenJDK \u6784\u5efa\u7684\u7f8e\u56e2 JDK \u53d1\u884c\u7248\u3002\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd MJDK \u662f\u5982\u4f55\u5728\u4fdd\u969c java. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008213","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008213"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008213\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}