{"id":203717,"date":"2025-05-22T10:19:44","date_gmt":"2025-05-22T02:19:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203717\/"},"modified":"2025-05-22T10:19:44","modified_gmt":"2025-05-22T02:19:44","slug":"%e8%af%a2%e9%97%ae%e4%b8%93%e5%ae%b6-i-o","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203717\/","title":{"rendered":"\u8be2\u95ee\u4e13\u5bb6 – I\/O"},"content":{"rendered":"

<\/b> <\/p>\n

\u8be2\u95ee\u4e13\u5bb6 – I\/O<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u8be2\u95ee\u4e13\u5bb6 – I\/O\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

<\/p>\n

\u6211\u542c\u8bf4\u4e86\u53e6\u4e00\u4e2a\u540d\u4e3a NIO \u7684 I\/O \u5305\u3002\u80fd\u544a\u8bc9\u6211\u4e00\u4e0b\u5417\uff1f<\/strong><\/p>\n

NIO \u5305\u6700\u521d\u79f0\u4e3a New I\/O\uff0c\u7531 JDK 1.4 \u6dfb\u52a0\u5230 Java \u4e2d\u3002\u5b83\u652f\u6301\u57fa\u4e8e\u901a\u9053\u7684 I\/O \u64cd\u4f5c\u65b9\u6cd5\u3002 NIO \u7c7b\u4f4d\u4e8e java.nio \u5305\u53ca\u5176\u4e0b\u5c5e\u5305\u4e2d\uff0c\u4f8b\u5982 java.nio.channels \u548c java.nio.charset\u3002
NIO \u57fa\u4e8e\u4e24\u4e2a\u57fa\u672c\u9879\uff1a\u7f13\u51b2\u533a\u548c\u901a\u9053\u3002\u7f13\u51b2\u533a\u5b58\u50a8\u6570\u636e\uff0c\u901a\u9053\u8868\u793a\u4e0e I\/O \u8bbe\u5907\uff08\u4f8b\u5982\u6587\u4ef6\u6216\u5957\u63a5\u5b57\uff09\u7684\u6253\u5f00\u8fde\u63a5\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u8981\u4f7f\u7528\u65b0\u7684I\/O\u7cfb\u7edf\uff0c\u6211\u4eec\u5fc5\u987b\u83b7\u5f97\u4e00\u4e2a\u5e26\u6709I\/O\u8bbe\u5907\u7684\u901a\u9053\u548c\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u7684\u7f13\u51b2\u533a\u3002\u7136\u540e\u6211\u4eec\u5bf9\u7f13\u51b2\u533a\u8fdb\u884c\u64cd\u4f5c\uff0c\u5728\u5fc5\u8981\u65f6\u63d2\u5165\u6216\u663e\u793a\u6570\u636e\u3002
NIO \u4f7f\u7528\u7684\u53e6\u5916\u4e24\u4e2a\u5b9e\u4f53\u662f\u5b57\u7b26\u96c6\u548c
\u9009\u62e9\u5668\u3002\u5b57\u7b26\u96c6\u5b9a\u4e49\u4e86\u5b57\u8282\u6620\u5c04\u5230\u5b57\u7b26\u7684\u65b9\u5f0f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7f16\u7801\u5668\u4ee5\u5b57\u8282\u7684\u5f62\u5f0f\u5bf9\u5b57\u7b26\u5e8f\u5217\u8fdb\u884c\u7f16\u7801\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u89e3\u7801\u5668\u5c06\u5b57\u8282\u5e8f\u5217\u89e3\u7801\u4e3a\u5b57\u7b26\u5f62\u5f0f\u3002\u9009\u62e9\u5668\u652f\u6301\u57fa\u4e8e\u952e\u3001\u975e\u963b\u585e\u548c\u591a\u8def\u590d\u7528\u7684 I\/O\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u9009\u62e9\u5668\u5141\u8bb8\u6211\u4eec\u8de8\u591a\u4e2a\u901a\u9053\u6267\u884c I\/O\u3002\u5b83\u4eec\u6700\u9002\u7528\u4e8e\u57fa\u4e8e\u5957\u63a5\u5b57\u7684\u901a\u9053\u3002
\u4ece JDK 7 \u5f00\u59cb\uff0cNIO \u7ecf\u5386\u4e86\u6df1\u523b\u7684\u6539\u8fdb\uff0c\u56e0\u6b64\u672f\u8bed NIO.\u7ecf\u5e38\u4f7f\u75282\u3002\u6539\u8fdb\u5305\u62ec\u4e09\u4e2a\u65b0\u5305\uff08java.nio.file\u3001java.nio.file.attribute \u548c java.nio.file.spi\uff09\uff1b\u51e0\u4e2a\u65b0\u7684\u7c7b\u3001\u63a5\u53e3\u548c\u65b9\u6cd5\uff1b\u4ee5\u53ca\u5bf9\u57fa\u4e8e\u6d41\u7684 I\/O \u7684\u76f4\u63a5\u652f\u6301\u3002\u8fd9\u4e9b\u65b0\u589e\u5185\u5bb9\u6269\u5c55\u4e86 NIO \u7684\u4f7f\u7528\u65b9\u5f0f\uff0c\u5c24\u5176\u662f\u6587\u4ef6\u3002
\u91cd\u8981\u7684\u662f\u8981\u7406\u89e3 NIO \u4e0d\u4f1a\u53d6\u4ee3 java.io \u4e2d\u7684 I\/O \u7c7b\uff0c\u672c\u7ae0\u5c06\u8ba8\u8bba\u8fd9\u4e9b\u7c7b\u3002\u76f8\u53cd\uff0cNIO \u7c7b\u65e8\u5728\u8865\u5145\u6807\u51c6 I\/O \u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e00\u79cd\u66ff\u4ee3\u65b9\u6cd5\uff0c\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u662f\u6709\u76ca\u7684\u3002<\/p>\n

\u672c\u7bc7\u5173\u4e8e\u300a\u8be2\u95ee\u4e13\u5bb6 – I\/O\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n

\u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8be2\u95ee\u4e13\u5bb6 – I\/O...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203717","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203717"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203717\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}