{"id":6340,"date":"2023-01-07T12:45:28","date_gmt":"2023-01-07T04:45:28","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6340"},"modified":"2023-01-07T12:45:28","modified_gmt":"2023-01-07T04:45:28","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8node-js%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%b5%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/node-js\/%e5%a6%82%e4%bd%95%e5%9c%a8node-js%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%b5%81%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u5728Node.js\u4e2d\u4f7f\u7528\u6d41\uff1f"},"content":{"rendered":"

<\/p>\n

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\u4ec0\u9ebc\u662f\u6d41\uff1f<\/h2>\n

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Node.js \u4e2d\u7684\u6d41<\/h2>\n

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\u5982\u4f55\u4f7f\u7528 Node.js \u4e2d\u7684\u6d41\uff1f<\/h2>\n

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\u7bc4\u4f8b\uff1a\u4f7f\u7528\u53ef\u8b80\u6d41<\/h3>\n

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\nconst fs = require('fs');\nconst stream = fs.createReadStream('file.txt');\n\nstream.on('data', (chunk) => {\n  console.log(chunk);\n});\n\nstream.on('end', () => {\n  console.log('Done!');\n});\n<\/pre>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 fs.createReadStream()<\/code> \u4f86\u5efa\u7acb\u4e00\u500b\u53ef\u8b80\u6d41\uff0c\u4e26\u4e14\u4f7f\u7528 stream.on()<\/code> \u4f86\u8a2d\u5b9a\u8cc7\u6599\u8b80\u53d6\u7684\u4e8b\u4ef6\u3002\u7576\u8cc7\u6599\u8b80\u53d6\u5b8c\u7562\u6642\uff0c\u6703\u89f8\u767c end<\/code> \u4e8b\u4ef6\uff0c\u4e26\u4e14\u5728\u63a7\u5236\u53f0\u8f38\u51fa Done!<\/code>\u3002<\/p>\n
\u7bc4\u4f8b\uff1a\u4f7f\u7528\u53ef\u5beb\u6d41<\/h3>\n
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\nconst fs = require('fs');\nconst stream = fs.createWriteStream('file.txt');\n\nstream.write('Hello World!');\nstream.end();\n\nstream.on('finish', () => {\n  console.log('Done!');\n});\n<\/pre>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 fs.createWriteStream()<\/code> \u4f86\u5efa\u7acb\u4e00\u500b\u53ef\u5beb\u6d41\uff0c\u4e26\u4e14\u4f7f\u7528 stream.write()<\/code> \u4f86\u5beb\u5165\u8cc7\u6599\uff0c\u4f7f\u7528 stream.end()<\/code> \u4f86\u7d50\u675f\u5beb\u5165\uff0c\u6700\u5f8c\u4f7f\u7528 stream.on()<\/code> \u4f86\u8a2d\u5b9a\u5beb\u5165\u5b8c\u7562\u7684\u4e8b\u4ef6\uff0c\u7576\u5beb\u5165\u5b8c\u7562\u6642\uff0c\u6703\u89f8\u767c finish<\/code> \u4e8b\u4ef6\uff0c\u4e26\u4e14\u5728\u63a7\u5236\u53f0\u8f38\u51fa Done!<\/code>\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
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