问题描述
跟进:ECONNREFUSED 127.0.0.1:3306 error connecting to MySQL database to NodeJS express server (w/ typescript) 在那里我通过将问题缩小到“通过终端运行应用程序而不是代码运行器扩展程序(它仅适用于单个文件而不是分散的文件使向上目录并一起运行)。”
这是我通过终端运行时遇到的问题,即 node/nodemon
Error: connect ECONNREFUSED 127.0.0.1:3306
at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1146:16)
--------------------
at Protocol._enqueue (/mnt/c/Users/abdul/Desktop/nodeMysqL/node_modules/MysqL/lib/protocol/Protocol.js:144:48)
at Protocol.handshake (/mnt/c/Users/abdul/Desktop/nodeMysqL/node_modules/MysqL/lib/protocol/Protocol.js:51:23)
at Connection.connect (/mnt/c/Users/abdul/Desktop/nodeMysqL/node_modules/MysqL/lib/Connection.js:116:18)
at Object.<anonymous> (/mnt/c/Users/abdul/Desktop/nodeMysqL/app.js:13:4)
at Module._compile (internal/modules/cjs/loader.js:1063:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
at Module.load (internal/modules/cjs/loader.js:928:32)
at Function.Module._load (internal/modules/cjs/loader.js:769:14)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)
at internal/main/run_main_module.js:17:47 {
errno: -111,code: 'ECONNREFUSED',syscall: 'connect',address: '127.0.0.1',port: 3306,fatal: true
}
下面是我用来连接到 MysqL 数据库的新代码(请记住,出于某种原因,它可以与 coderunner 扩展一起使用,而不是 node / nodemon)
const express = require("express");
const MysqL = require("MysqL");
// Create connection
const db = MysqL.createConnection({
host: "localhost",user: "root",password: "password",});
db.connect((err) => {
if (err) {
throw err;
}
console.log(" ... CONNECTED ... ");
});
const app = express();
app.get("/createdb",(req,res) => {
let sql = "CREATE DATABASE nodeMysqL";
db.query(sql,(err,result) => {
if (err) throw err;
console.log(result);
res.send({
message: "this is the result: " + result,});
db.end();
});
});
app.listen("3000",() => {
console.log("Server started on port 3000");
});
有什么想法吗?
解决方法
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