{"id":6102,"date":"2025-05-31T13:33:00","date_gmt":"2025-06-04T06:26:00","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6102"},"modified":"2025-06-04T13:33:00","modified_gmt":"2025-06-04T06:26:00","slug":"%e4%ba%86%e8%a7%a3node-js%e4%b8%ad%e7%9a%84%e5%bc%82%e6%ad%a5i-o","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/node-js\/%e4%ba%86%e8%a7%a3node-js%e4%b8%ad%e7%9a%84%e5%bc%82%e6%ad%a5i-o\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3 Node.js \u7684\u5f02\u6b65 I\/O\uff1a\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u95dc\u9375\u6280\u8853"},"content":{"rendered":"

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Node.js \u662f\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u3001\u8de8\u5e73\u53f0\u7684 JavaScript \u74b0\u5883\uff0c\u5c08\u70ba\u958b\u767c\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u7aef\u548c\u7db2\u7d61\u61c9\u7528\u7a0b\u5e8f\u800c\u8a2d\u8a08\u3002\u5176\u6838\u5fc3\u7279\u6027\u662f\u4e8b\u4ef6\u9a45\u52d5\u548c\u975e\u963b\u585e I\/O \u6a21\u578b\uff0c\u9019\u4f7f\u5f97 Node.js \u80fd\u5920\u5728\u8cc7\u6e90\u6709\u9650\u7684\u60c5\u6cc1\u4e0b\u9ad8\u6548\u904b\u884c\u3002<\/p>\n

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\u4ec0\u4e48\u662f\u5f02\u6b65 I\/O\uff1f<\/h2>\n

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\u4e3a\u4ec0\u4e48\u9009\u62e9\u5f02\u6b65 I\/O\uff1f<\/h2>\n

\u4f7f\u7528\u5f02\u6b65 I\/O \u6709\u52a9\u65bc\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6548\u7387\u548c\u6027\u80fd\u3002\u7576 I\/O \u64cd\u4f5c\u9032\u884c\u6642\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u540c\u6642\u8655\u7406\u5176\u4ed6\u8acb\u6c42\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7b49\u5f85\u6642\u9593\u548c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u56e0\u6b64\uff0c\u5f02\u6b65 I\/O \u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u4e26\u767c\u8acb\u6c42\u7684\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n

\u5982\u4f55\u5728 Node.js \u4e2d\u5b9e\u73b0\u5f02\u6b65 I\/O\uff1f<\/h2>\n

\u5728 Node.js \u4e2d\uff0c\u4f7f\u7528\u5f02\u6b65 I\/O \u975e\u5e38\u7c21\u55ae\uff0c\u60a8\u53ea\u9700\u4f7f\u7528 fs.readFile()<\/span> \u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1a\u6587\u4ef6\u8def\u5f91\u548c\u4e00\u500b\u56de\u8abf\u51fd\u6578\uff0c\u7576\u6587\u4ef6\u8b80\u53d6\u5b8c\u6210\u5f8c\uff0c\u6703\u8abf\u7528\u8a72\u51fd\u6578\u4e26\u5c07\u6587\u4ef6\u5167\u5bb9\u50b3\u905e\u7d66\u4f60\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

\nconst fs = require('fs');\n\nfs.readFile('\/path\/to\/file', (err, data) => {\n  if (err) {\n    console.error('\u8b80\u53d6\u6587\u4ef6\u6642\u51fa\u932f:', err);\n    return;\n  }\n\n  console.log('\u6587\u4ef6\u5167\u5bb9:', data.toString());\n});\n<\/pre>\n
\u603b\u7ed3<\/h2>\n
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—<\/p>\n","protected":false},"excerpt":{"rendered":"
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