{"id":31757,"date":"2022-10-13T07:25:00","date_gmt":"2023-04-07T02:44:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e8%bf%9e%e6%8e%a5%e5%88%b0mysql\/"},"modified":"2024-01-15T06:53:00","modified_gmt":"2024-01-14T22:53:00","slug":"%e4%bd%bf%e7%94%a8node-js%e8%bf%9e%e6%8e%a5%e5%88%b0mysql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e8%bf%9e%e6%8e%a5%e5%88%b0mysql\/","title":{"rendered":"\u4f7f\u7528Node.js\u8fde\u63a5\u5230MySQL"},"content":{"rendered":"<p>\u6211\u6253\u7b97\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\u5b8c\u6210\u7684AWS\u4e0a\u7684MySQL\u4e0a\uff0c\u5c1d\u8bd5\u4f7f\u7528Nodejs\u8fdb\u884c\u8fde\u63a5\u786e\u8ba4\u3002<br \/>\n\u5728\u4e0a\u6b21\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u5df2\u7ecf\u5728AWS\u4e0a\u7684CentOS\u4e0a\u5efa\u7acb\u4e86Nodejs\u6267\u884c\u73af\u5883\u3002<\/p>\n<h2>\u4ee3\u7801\u51c6\u5907<\/h2>\n<p>\u5c06\u4ee5\u4e0b\u5185\u5bb9\u653e\u7f6e\u5728\u4efb\u610f\u9879\u76ee\u4e2d\uff1a<br \/>\nconst connection\u4ee5\u4e0b\uff0c\u586b\u5165MySQL\u8bbe\u7f6e\u7684\u7528\u6237\u548c\u5bc6\u7801\u3001\u6570\u636e\u5e93\u540d\u79f0\u3002<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f.js \/ \u5e94\u7528.js<\/p>\n<pre class=\"post-pre\"><code>const express = require('express');\r\nconst mysql = require('mysql');\r\nconst app = express();\r\n\r\napp.use(express.static('public'));\r\napp.use(express.urlencoded({extended: false}));\r\n\r\nconst connection = mysql.createConnection({\r\n  host: 'localhost',\r\n  user: 'root',\r\n  password: 'Passw0rd!',\r\n  database: 'list_app'\r\n});\r\n\r\nconnection.connect((err) =&gt; {\r\n  if (err) {\r\n    console.log('error connecting: ' + err.stack);\r\n    return;\r\n  }\r\n  console.log('success');\r\n});\r\n\r\napp.get('\/', (req, res) =&gt; {\r\n  connection.query(\r\n    'SELECT * FROM items',\r\n    (error, results) =&gt; {\r\n      console.log(results);\r\n      res.render('hello.ejs');\r\n    }\r\n  );\r\n});\r\n\r\napp.listen(3000);\r\n<\/code><\/pre>\n<p>\u4f60\u597d\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;!DOCTYPE html&gt;\r\n&lt;html&gt;\r\n  &lt;head&gt;\r\n    &lt;meta charset=\"utf-8\"&gt;\r\n    &lt;title&gt;Hello World&lt;\/title&gt;\r\n    &lt;script src=\"\/send_url.js\"&gt;&lt;\/script&gt;\r\n  &lt;\/head&gt;\r\n  &lt;body&gt;\r\n    &lt;h1&gt;Hello World&lt;\/h1&gt;\r\n  &lt;\/body&gt;\r\n&lt;\/html&gt;\r\n<\/code><\/pre>\n<h2>\u542f\u52a8\u9879\u76ee \uff08 \uff09<\/h2>\n<p>\u53d1\u751f\u4e86\u4e00\u4e2a\u9519\u8bef\uff0c\u63d0\u9192\u60a8\u9700\u8981\u66f4\u65b0MySQL\u5ba2\u6237\u7aef&#8230;<\/p>\n<pre class=\"post-pre\"><code># node app.js\r\nerror connecting: Error: ER_NOT_SUPPORTED_AUTH_MODE: Client does not support authentication protocol requestd by server; consider upgrading MySQL client\r\n    at Handshake.Sequence._packetToError (\/data\/proj\/node_modules\/mysql\/lib\/protocol\/sequences\/Sequence.js:4:14)\r\n<\/code><\/pre>\n<p>\u5f53\u6211\u8fdb\u884c\u8c03\u67e5\u65f6\uff0c\u53d1\u73b0\u4e86\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e3a\u4e86\u5148\u89e3\u51b3\u95ee\u9898\uff0c\u6211\u5c1d\u8bd5\u66f4\u6539\u4e86\u8ba4\u8bc1\u63d2\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>mysql&gt; SELECT user, host, plugin FROM mysql.user;\r\n+------------------+-----------+-----------------------+\r\n| user             | host      | plugin                |\r\n+------------------+-----------+-----------------------+\r\n| prog01           | %         | caching_sha2_password |\r\n| mysql.infoschema | localhost | caching_sha2_password |\r\n| mysql.session    | localhost | caching_sha2_password |\r\n| mysql.sys        | localhost | caching_sha2_password |\r\n| root             | localhost | caching_sha2_password |\r\n+------------------+-----------+-----------------------+\r\n5 rows in set (0.00 sec)\r\n\r\nmysql&gt; ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'Passw0rd!';\r\nmysql&gt; SELECT user, host, plugin FROM mysql.user;\r\n+------------------+-----------+-----------------------+\r\n| user             | host      | plugin                |\r\n+------------------+-----------+-----------------------+\r\n| prog01           | %         | caching_sha2_password |\r\n| mysql.infoschema | localhost | caching_sha2_password |\r\n| mysql.session    | localhost | caching_sha2_password |\r\n| mysql.sys        | localhost | caching_sha2_password |\r\n| root             | localhost | mysql_native_password |\r\n+------------------+-----------+-----------------------+\r\n5 rows in set (0.00 sec)\r\n<\/code><\/pre>\n<p>\u6210\u529f\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@ip-172-31-1-181 proj]# node app.js\r\nsuccess\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u6253\u7b97\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\u5b8c\u6210\u7684AWS\u4e0a\u7684MySQL\u4e0a\uff0c\u5c1d\u8bd5\u4f7f\u7528Nodejs\u8fdb\u884c\u8fde\u63a5\u786e\u8ba4\u3002 \u5728\u4e0a\u6b21\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u5df2\u7ecf [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31757","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>\u4f7f\u7528Node.js\u8fde\u63a5\u5230MySQL - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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