{"id":28838,"date":"2023-10-08T11:01:52","date_gmt":"2023-02-13T03:37:11","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/node-js-%e4%bd%bf%e7%94%a8mysql2%e8%af%bb%e5%8f%96mariadb%e6%95%b0%e6%8d%ae\/"},"modified":"2025-08-12T10:22:21","modified_gmt":"2025-08-12T02:22:21","slug":"node-js-%e4%bd%bf%e7%94%a8mysql2%e8%af%bb%e5%8f%96mariadb%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/node-js-%e4%bd%bf%e7%94%a8mysql2%e8%af%bb%e5%8f%96mariadb%e6%95%b0%e6%8d%ae\/","title":{"rendered":"Node.js: \u4f7f\u7528mysql2\u8bfb\u53d6MariaDB\u6570\u636e"},"content":{"rendered":"<h2>\u7f16\u7a0b\u6587\u4ef6\u5939\u7ed3\u6784<\/p>\n<pre class=\"post-pre\"><code>$ tree -a\r\n.\r\n\u251c\u2500\u2500 .env\r\n\u251c\u2500\u2500 config_mariadb.js\r\n\u251c\u2500\u2500 go_read.sh\r\n\u2514\u2500\u2500 maria_read.js\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u5f02\u6b65\/\u7b49\u5f85\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">#! \/usr\/bin\/node\r\n<\/span><span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"c1\">\/\/\tmaria_read.js<\/span>\r\n<span class=\"c1\">\/\/<\/span>\r\n<span class=\"c1\">\/\/\t\t\t\t\tFeb\/24\/2024<\/span>\r\n<span class=\"c1\">\/\/<\/span>\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"dl\">'<\/span><span class=\"s1\">use strict<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">mysql<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mysql2\/promise<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">config_mariadb<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/config_mariadb<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"kd\">function<\/span> <span class=\"nf\">compare_by_key_proc<\/span> <span class=\"p\">(<\/span><span class=\"nx\">left<\/span><span class=\"p\">,<\/span><span class=\"nx\">right<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n\t<span class=\"kd\">var<\/span> <span class=\"nx\">aa<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">left<\/span><span class=\"p\">.<\/span><span class=\"nx\">key<\/span>\r\n\t<span class=\"kd\">var<\/span> <span class=\"nx\">bb<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">right<\/span><span class=\"p\">.<\/span><span class=\"nx\">key<\/span>\r\n\r\n\t<span class=\"kd\">var<\/span> <span class=\"nx\">rvalue<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n\r\n\t<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">aa<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nx\">bb<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">{<\/span>\r\n\t\t<span class=\"nx\">rvalue<\/span> <span class=\"o\">=<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t<span class=\"k\">else<\/span> <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">aa<\/span> <span class=\"o\">&gt;<\/span> <span class=\"nx\">bb<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">{<\/span>\r\n\t\t<span class=\"nx\">rvalue<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\r\n\t<span class=\"k\">return<\/span>\t<span class=\"nx\">rvalue<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"kd\">function<\/span> <span class=\"nf\">sort_key_proc<\/span> <span class=\"p\">(<\/span><span class=\"nx\">dict_aa<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n\t<span class=\"kd\">var<\/span> <span class=\"nx\">array<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Array<\/span><span class=\"p\">()<\/span>\r\n\r\n\t<span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"kd\">var<\/span> <span class=\"nx\">it<\/span> <span class=\"k\">in<\/span> <span class=\"nx\">dict_aa<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">{<\/span>\r\n\t\t<span class=\"nx\">array<\/span><span class=\"p\">.<\/span><span class=\"nf\">push<\/span><span class=\"p\">({<\/span><span class=\"dl\">'<\/span><span class=\"s1\">key<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span><span class=\"nc\">String <\/span><span class=\"p\">(<\/span><span class=\"nx\">it<\/span><span class=\"p\">),<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">value<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span><span class=\"nx\">dict_aa<\/span><span class=\"p\">[<\/span><span class=\"nx\">it<\/span><span class=\"p\">]})<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\r\n\t<span class=\"nx\">array<\/span><span class=\"p\">.<\/span><span class=\"nf\">sort <\/span><span class=\"p\">(<\/span><span class=\"nx\">compare_by_key_proc<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"k\">return<\/span> <span class=\"nx\">array<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"kd\">function<\/span> <span class=\"nf\">dict_display_proc<\/span> <span class=\"p\">(<\/span><span class=\"nx\">dict_aa<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n\t<span class=\"kd\">const<\/span> <span class=\"nx\">array_aa<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">sort_key_proc <\/span><span class=\"p\">(<\/span><span class=\"nx\">dict_aa<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"nx\">array_aa<\/span><span class=\"p\">.<\/span><span class=\"nf\">forEach <\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">unit_aa<\/span><span class=\"p\">,<\/span><span class=\"nx\">index<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">{<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">key<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">unit_aa<\/span><span class=\"p\">.<\/span><span class=\"nx\">key<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">unit_aa<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span>\r\n\r\n\t\t<span class=\"kd\">var<\/span> <span class=\"nx\">out_str<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">key<\/span> <span class=\"o\">+<\/span> <span class=\"dl\">\"<\/span><span class=\"se\">\\t<\/span><span class=\"dl\">\"<\/span>\r\n\t\t<span class=\"nx\">out_str<\/span> <span class=\"o\">+=<\/span> <span class=\"nx\">value<\/span><span class=\"p\">[<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">name<\/span><span class=\"dl\">\"<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"dl\">\"<\/span><span class=\"se\">\\t<\/span><span class=\"dl\">\"<\/span>\r\n\t\t<span class=\"nx\">out_str<\/span> <span class=\"o\">+=<\/span> <span class=\"nx\">value<\/span><span class=\"p\">[<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">population<\/span><span class=\"dl\">\"<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"dl\">\"<\/span><span class=\"se\">\\t<\/span><span class=\"dl\">\"<\/span>\r\n\t\t<span class=\"nx\">out_str<\/span> <span class=\"o\">+=<\/span> <span class=\"nx\">value<\/span><span class=\"p\">[<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">date_mod<\/span><span class=\"dl\">\"<\/span><span class=\"p\">]<\/span>\r\n\t\t<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log <\/span><span class=\"p\">(<\/span><span class=\"nx\">out_str<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">})<\/span>\t\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">read01<\/span> <span class=\"p\">(<\/span><span class=\"nx\">mysql<\/span><span class=\"p\">,<\/span><span class=\"nx\">host<\/span><span class=\"p\">,<\/span><span class=\"nx\">user<\/span><span class=\"p\">,<\/span><span class=\"nx\">password<\/span><span class=\"p\">,<\/span><span class=\"nx\">data_base<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n\t<span class=\"k\">try<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"kd\">var<\/span> <span class=\"nx\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">mysql<\/span><span class=\"p\">.<\/span><span class=\"nf\">createConnection<\/span><span class=\"p\">({<\/span>\r\n\t\t\t<span class=\"na\">host<\/span><span class=\"p\">:<\/span> <span class=\"nx\">host<\/span><span class=\"p\">,<\/span>\r\n\t\t\t<span class=\"na\">user<\/span><span class=\"p\">:<\/span> <span class=\"nx\">user<\/span><span class=\"p\">,<\/span>\r\n\t\t\t<span class=\"na\">password<\/span><span class=\"p\">:<\/span> <span class=\"nx\">password<\/span><span class=\"p\">,<\/span>\r\n\t\t\t<span class=\"na\">database<\/span><span class=\"p\">:<\/span> <span class=\"nx\">data_base<\/span>\r\n\t\t\t<span class=\"p\">})<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">sql_str<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">select * from cities<\/span><span class=\"dl\">'<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">rows<\/span><span class=\"p\">,<\/span> <span class=\"nx\">fields<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">conn<\/span><span class=\"p\">.<\/span><span class=\"nf\">execute<\/span><span class=\"p\">(<\/span><span class=\"nx\">sql_str<\/span><span class=\"p\">)<\/span>\r\n\r\n\t\t<span class=\"k\">return<\/span> <span class=\"nx\">rows<\/span>\r\n\t<span class=\"p\">}<\/span> <span class=\"k\">catch <\/span><span class=\"p\">(<\/span><span class=\"nx\">ee<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">ee<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"k\">return<\/span> <span class=\"dl\">''<\/span>\r\n\t<span class=\"p\">}<\/span> <span class=\"k\">finally<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">conn<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nx\">conn<\/span><span class=\"p\">.<\/span><span class=\"nx\">connection<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"nx\">conn<\/span><span class=\"p\">.<\/span><span class=\"nf\">end<\/span><span class=\"p\">()<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">{<\/span>\r\n\t<span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">host<\/span><span class=\"p\">,<\/span> <span class=\"nx\">user<\/span><span class=\"p\">,<\/span> <span class=\"nx\">password<\/span><span class=\"p\">,<\/span> <span class=\"nx\">data_base<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">config_mariadb<\/span><span class=\"p\">.<\/span><span class=\"nf\">config_mariadb_proc<\/span><span class=\"p\">()<\/span>\r\n\t<span class=\"kd\">const<\/span> <span class=\"nx\">rows<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nf\">read01 <\/span><span class=\"p\">(<\/span><span class=\"nx\">mysql<\/span><span class=\"p\">,<\/span><span class=\"nx\">host<\/span><span class=\"p\">,<\/span><span class=\"nx\">user<\/span><span class=\"p\">,<\/span><span class=\"nx\">password<\/span><span class=\"p\">,<\/span><span class=\"nx\">data_base<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"kd\">var<\/span> <span class=\"nx\">dict_aa<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Object <\/span><span class=\"p\">()<\/span>\r\n\r\n\t<span class=\"nx\">rows<\/span><span class=\"p\">.<\/span><span class=\"nf\">forEach<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">row<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">{<\/span>\r\n\t\t<span class=\"nx\">dict_aa<\/span><span class=\"p\">[<\/span><span class=\"nx\">row<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">name<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">row<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">,<\/span>\r\n\t\t\t<span class=\"dl\">\"<\/span><span class=\"s2\">population<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">row<\/span><span class=\"p\">.<\/span><span class=\"nx\">population<\/span><span class=\"p\">,<\/span>\r\n\t\t\t<span class=\"dl\">\"<\/span><span class=\"s2\">date_mod<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">row<\/span><span class=\"p\">.<\/span><span class=\"nx\">date_mod<\/span><span class=\"p\">}<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\r\n\t<span class=\"nf\">dict_display_proc <\/span><span class=\"p\">(<\/span><span class=\"nx\">dict_aa<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">error <\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">*** \u7d42\u4e86 ***<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">error <\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">*** \u958b\u59cb ***<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nf\">main<\/span><span class=\"p\">()<\/span>\r\n<span class=\"c1\">\/\/ ---------------------------------------------------------------<\/span>\r\n<\/code><\/pre>\n<p>.env<br \/>\nconfig_mariadb.py<br \/>\n\u5728\u8fd9\u91cc<br \/>\nNode.js\uff1a\u663e\u793aMariaDB\u7684\u7248\u672c<\/p>\n<p>\u6267\u884c\u547d\u4ee4<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">export <\/span><span class=\"nv\">NODE_PATH<\/span><span class=\"o\">=<\/span>\/usr\/lib\/node_modules\r\n.\/maria_read.js\r\n<\/code><\/pre>\n<h2>\u786e\u8ba4\u7248\u672c<\/p>\n<pre class=\"post-pre\"><code>$ node -v\r\nv19.7.0\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7f16\u7a0b\u6587\u4ef6\u5939\u7ed3\u6784 $ tree -a . \u251c\u2500\u2500 .env \u251c\u2500\u2500 config_mariadb.js \u251c\u2500\u2500  [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-28838","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Node.js: \u4f7f\u7528mysql2\u8bfb\u53d6MariaDB\u6570\u636e - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eNode.js: \u4f7f\u7528mysql2\u8bfb\u53d6MariaDB\u6570\u636e\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/node-js-\u4f7f\u7528mysql2\u8bfb\u53d6mariadb\u6570\u636e\/\" 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