{"id":37876,"date":"2024-11-26T09:25:42","date_gmt":"2024-11-26T01:25:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37876\/"},"modified":"2024-11-26T09:25:42","modified_gmt":"2024-11-26T01:25:42","slug":"%e8%af%a2%e9%97%ae%e4%b8%93%e5%ae%b6-i-o","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37876\/","title":{"rendered":"\u8be2\u95ee\u4e13\u5bb6 &#8211; I\/O"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173147150840588.jpg\" class=\"aligncenter\" title=\"\u8be2\u95ee\u4e13\u5bb6 &#8211; I\/O\u63d2\u56fe\" alt=\"\u8be2\u95ee\u4e13\u5bb6 &#8211; I\/O\u63d2\u56fe\" \/><\/p>\n<p><strong>\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<p>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<br \/> 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<br \/> NIO \u4f7f\u7528\u7684\u53e6\u5916\u4e24\u4e2a\u5b9e\u4f53\u662f\u5b57\u7b26\u96c6\u548c <br \/> \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<br \/> \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<br \/> \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<p>\u4ee5\u4e0a\u5c31\u662f\u8be2\u95ee\u4e13\u5bb6 &#8211; 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