{"id":183790,"date":"2024-11-10T07:45:20","date_gmt":"2024-11-09T23:45:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183790\/"},"modified":"2024-11-10T07:45:21","modified_gmt":"2024-11-09T23:45:21","slug":"%e4%bd%bf%e7%94%a8llserver%e5%af%a6%e7%8f%be%e5%b0%8dleveldb%e7%9a%84%e8%a8%aa%e5%95%8f%e5%b0%81%e8%a3%9d%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183790\/","title":{"rendered":"\u4f7f\u7528LLServer\u5be6\u73fe\u5c0dleveldb\u7684\u8a2a\u554f\u5c01\u88dd\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8llserver%e5%af%a6%e7%8f%be%e5%b0%8dleveldb%e7%9a%84%e8%a8%aa%e5%95%8f%e5%b0%81%e8%a3%9d%e8%a9%b3%e8%a7%a3-VSzXVqYyVI\">\u4f7f\u7528LLServer\u5be6\u73fe\u5c0dLevelDB\u7684\u8a2a\u554f\u5c01\u88dd\u8a73\u89e3<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002LevelDB\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u70ba\u4e86\u7c21\u5316\u5c0dLevelDB\u7684\u8a2a\u554f\uff0cLLServer\u4f5c\u70ba\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u670d\u52d9\u5668\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e00\u500b\u65b9\u4fbf\u7684\u5c01\u88dd\u5c64\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528LLServer\u4f86\u5be6\u73fe\u5c0dLevelDB\u7684\u8a2a\u554f\u5c01\u88dd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afleveldb%ef%bc%9f-VSzXVqYyVI\">\u4ec0\u9ebc\u662fLevelDB\uff1f<\/h2>\n<p>LevelDB\u662f\u4e00\u500b\u7531Google\u958b\u767c\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u5eab\uff0c\u5c08\u70ba\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u800c\u8a2d\u8a08\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6548\u7684\u5beb\u5165\u6027\u80fd\uff1aLevelDB\u4f7f\u7528\u4e86\u65e5\u8a8c\u7d50\u69cb\u5408\u4f75\u6a39\uff08LSM Tree\uff09\u4f86\u512a\u5316\u5beb\u5165\u64cd\u4f5c\u3002<\/li>\n<li>\u81ea\u52d5\u58d3\u7e2e\uff1aLevelDB\u6703\u81ea\u52d5\u5c07\u6578\u64da\u9032\u884c\u58d3\u7e2e\uff0c\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li>\u652f\u6301\u4e8b\u52d9\uff1aLevelDB\u652f\u6301\u539f\u5b50\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"llserver%e7%b0%a1%e4%bb%8b-VSzXVqYyVI\">LLServer\u7c21\u4ecb<\/h2>\n<p>LLServer\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u670d\u52d9\u5668\u6846\u67b6\uff0c\u65e8\u5728\u7c21\u5316\u7db2\u7d61\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u3002\u5b83\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\uff0c\u65b9\u4fbf\u958b\u767c\u8005\u5feb\u901f\u69cb\u5efa\u548c\u90e8\u7f72\u670d\u52d9\u3002LLServer\u7684\u8a2d\u8a08\u7406\u5ff5\u662f\u9ad8\u6548\u3001\u9748\u6d3b\u548c\u6613\u65bc\u64f4\u5c55\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u5132\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8llserver%e5%b0%81%e8%a3%9dleveldb%e7%9a%84%e6%ad%a5%e9%a9%9f-VSzXVqYyVI\">\u4f7f\u7528LLServer\u5c01\u88ddLevelDB\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e5%ae%89%e8%a3%9d%e4%be%9d%e8%b3%b4-VSzXVqYyVI\">1. \u5b89\u88dd\u4f9d\u8cf4<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88ddLevelDB\u548cLLServer\u7684\u76f8\u95dc\u4f9d\u8cf4\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>npm install level llserver<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ballserver%e5%af%a6%e4%be%8b-VSzXVqYyVI\">2. \u5275\u5efaLLServer\u5be6\u4f8b<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500bLLServer\u5be6\u4f8b\uff0c\u4e26\u8a2d\u7f6e\u76f8\u61c9\u7684\u8def\u7531\u4f86\u8655\u7406\u5c0dLevelDB\u7684\u8acb\u6c42\uff1a<\/p>\n<pre><code>const LLServer = require('llserver');\nconst level = require('level');\n\nconst db = level('.\/mydb');\nconst server = new LLServer();\n\nserver.get('\/get\/:key', async (req, res) =&gt; {\n    try {\n        const value = await db.get(req.params.key);\n        res.send({ key: req.params.key, value });\n    } catch (err) {\n        res.status(404).send({ error: 'Key not found' });\n    }\n});\n\nserver.post('\/put', async (req, res) =&gt; {\n    try {\n        await db.put(req.body.key, req.body.value);\n        res.send({ success: true });\n    } catch (err) {\n        res.status(500).send({ error: 'Failed to put value' });\n    }\n});\n\nserver.listen(3000, () =&gt; {\n    console.log('Server is running on port 3000');\n});<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6api-VSzXVqYyVI\">3. \u6e2c\u8a66API<\/h3>\n<p>\u555f\u52d5\u670d\u52d9\u5668\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Postman\u6216\u5176\u4ed6API\u6e2c\u8a66\u5de5\u5177\u4f86\u6e2c\u8a66\u60a8\u7684API\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8acb\u6c42\u4f86\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\uff1a<\/p>\n<ul>\n<li>\u5b58\u5132\u6578\u64da\uff1a<code>POST http:\/\/localhost:3000\/put<\/code>\uff0c\u8acb\u6c42\u9ad4\uff1a<code>{\"key\": \"exampleKey\", \"value\": \"exampleValue\"}<\/code><\/li>\n<li>\u6aa2\u7d22\u6578\u64da\uff1a<code>GET http:\/\/localhost:3000\/get\/exampleKey<\/code><\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VSzXVqYyVI\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528LLServer\u4f86\u5c01\u88ddLevelDB\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u69cb\u5efa\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u5316\u4e86\u6578\u64da\u8a2a\u554f\u7684\u904e\u7a0b\uff0c\u9084\u63d0\u9ad8\u4e86\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u7121\u8ad6\u662f\u7528\u65bc\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u9019\u7a2e\u5c01\u88dd\u90fd\u80fd\u63d0\u4f9b\u826f\u597d\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528LLServer\u5be6\u73fe\u5c0dLevelDB\u7684\u8a2a\u554f\u5c01\u88dd\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\u8207\u7ba1\u7406\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-183790","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183790","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=183790"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183790\/revisions"}],"predecessor-version":[{"id":183791,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183790\/revisions\/183791"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}