{"id":8935,"date":"2022-08-09T19:00:00","date_gmt":"2022-08-09T10:00:00","guid":{"rendered":"https:\/\/taki-lab.site\/bocci\/?p=8935"},"modified":"2022-08-07T10:48:36","modified_gmt":"2022-08-07T01:48:36","slug":"rust%e5%8b%89%e5%bc%b7%e4%b8%ad%e3%80%818-7%e3%81%ae%e7%a9%8d%e3%81%bf%e4%b8%8a%e3%81%92","status":"publish","type":"post","link":"https:\/\/taki-lab.site\/bocci\/?p=8935","title":{"rendered":"RUST\u52c9\u5f37\u4e2d\u30018\/7\u306e\u7a4d\u307f\u4e0a\u3052"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u81ea\u5206\u3001\u307c\u3063\u3061\u3067\u3059\u304c\u4f55\u304b\uff1f wp-block-embed-\u81ea\u5206\u3001\u307c\u3063\u3061\u3067\u3059\u304c\u4f55\u304b\uff1f\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"B4ffDiCvQp\"><a href=\"https:\/\/taki-lab.site\/bocci\/?p=8891\">RUST\u52c9\u5f37\u4e2d\u30017\/31\u306e\u7a4d\u307f\u4e0a\u3052<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;RUST\u52c9\u5f37\u4e2d\u30017\/31\u306e\u7a4d\u307f\u4e0a\u3052&#8221; &#8212; \u81ea\u5206\u3001\u307c\u3063\u3061\u3067\u3059\u304c\u4f55\u304b\uff1f\" src=\"https:\/\/taki-lab.site\/bocci\/?p=8891&#038;embed=true#?secret=MZG8enKZDm#?secret=B4ffDiCvQp\" data-secret=\"B4ffDiCvQp\" width=\"474\" height=\"267\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30ad\u30b9\u30c8\u3067\u306fSQLite\u3092r2d2\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u3059\u308b\u30af\u30ec\u30fc\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;package]\r\nname = \"todo\"\r\nversion = \"0.1.0\"\r\nedition = \"2021\"\r\n\r\n# See more keys and their definitions at https:\/\/doc.rust-lang.org\/cargo\/reference\/manifest.html\r\n\r\n&#91;dependencies]\r\nactix-web = { version = \"4.1\" }\r\nactix-rt = { version = \"2.7\" }\r\nthiserror = { version = \"1.0\" }\r\naskama = { version = \"0.11\" }\r\nrusqlite = { version = \"0.28\", features=&#91;\"bundled\"] }\r\nr2d2 = { version = \"0.8\" }\r\nr2d2_sqlite = { version = \"0.21\" }\r\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u8d77\u52d5\u6642\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3088\u3046\u306b\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>use r2d2::Pool;\r\nuse r2d2_sqlite::SqliteConnectionManager;\r\nuse rusqlite::params;\r\n\n#&#91;actix_rt::main]\r\nasync fn main() -> Result&lt;(), actix_web::Error> {\r\n    let manager = SqliteConnectionManager::file(\"todo.db\");\r\n    let pool = Pool::new(manager).expect(\"Failed to inithialize the connection pool.\");\r\n    let conn = pool.get().expect(\"Failed to get the connection from the pool.\");\r\n    conn.execute(\r\n        \"CREATE TABLE IF NOT EXISTS todo (\r\n            id INTEGER PRIMARY KEY AUTOINCREMENT,\r\n            text TEXT NOT NULL\r\n        )\",\r\n        params!&#91;],\r\n    )\r\n    .expect(\"Failed to create a table 'todo'.\");\r\n    HttpServer::new(move || App::new().service(index).app_data(pool.clone()))\r\n        .bind(\"0.0.0.0:8080\")?\r\n        .run()\r\n        .await?;\r\n    Ok(())\r\n}<\/code><\/pre>\n\n\n\n<p>\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f5c\u6210\u3057\u3001\u30d7\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308bSQL\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001App::new()\u306b\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30ad\u30b9\u30c8\u3067\u306fdata(pool.clone())\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001<\/p>\n\n\n\n<p>\u30ef\u30fc\u30cb\u30f3\u30b0\u304c\u51fa\u308b\u306e\u3067\u3001\u8abf\u3079\u305f\u3068\u3053\u308d\u3001<\/p>\n\n\n\n<p>\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044\u51e6\u7406\u306a\u306e\u3067\u3001app_data\u3092\u4f7f\u3048\u3001\u3068\u8a00\u3046\u3053\u3068\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u4f7f\u7528\u3057\u3066\u3044\u308b\u30c6\u30ad\u30b9\u30c8<\/p>\n\n\n\n<iframe sandbox=\"allow-popups allow-scripts allow-modals allow-forms allow-same-origin\" style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" frameborder=\"0\" src=\"\/\/rcm-fe.amazon-adsystem.com\/e\/cm?lt1=_blank&#038;bc1=000000&#038;IS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=taki0416-22&#038;language=ja_JP&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=as_ss_li_til&#038;asins=B08PF27TRZ&#038;linkId=6dba39e62ef5403005e4742da702ce48\"><\/iframe>\n\n\n\n<a href=\"\/\/blog.with2.net\/link\/?2023426:1010\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/taki-lab.site\/bocci\/wp-content\/uploads\/2019\/12\/03a6eee54039f74ded0b8f7548b1868f.png?w=474\" 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