[英]SQL Server 2019 Express I can't connect
我的 express 項目無法使用 mssql 庫連接到 SQL 服務器。 我可以連接 VS Code 和 SQL Server Management Studio
var express = require('express');
var app =
express();
const sql = require('mssql')
var config = {
user: 'eren',
password: 'PAssPoxx1.',
server: 'localhost',
database: 'AIRPLANE',
options: {
encrypt: true,
enableArithAbort: true}
};
const poolPromise = new sql.ConnectionPool(config)
.connect()
.then(pool => {
console.log('Connected to MSSQL')
return pool
})
.catch(err => console.log('Database Connection Failed! Bad Config: ', err))
app.get('/', function (req, res) {
// Configuration object for your database
// connect to the database
sql.connect(config, function (err) {
console.log("x")
if (err) console.log(err);
// create Request object
var request = new sql.Request();
// query to the database and get the records
request.query('select * from User', function (err, recordset) {
if (err) console.log(err)
// send records as a response
res.send(recordset);
});
});
});
var server = app.listen(3000, function () {
console.log('Server is running..');
});
我的錯誤說:
數據庫連接失敗:錯誤配置:ConnectionError:無法連接到 localhost.1433 - 無法在連接處連接(序列):(C.\Users\Anıl Eren\Downloads\database-api\node_modules\mssql\lib\tedious\connection -pool:js:68.17) 在 Object.onceWrapper (events:js:422.26) 在 Connection.emit (events:js:315.20) 在 Connection:socketError (C.\Users\Anıl Eren\Downloads\database-api\node_modules\ mssql\node_modules\tedious\lib\connection:js:1290:12)
在 C:\Users\Anıl Eren\Downloads\database-api\node_modules\mssql\node_modules\tedious\lib\connection.js:1116:21 在 SequentialConnectionStrategy.connect (C:\Users\Anıl Eren\Downloads\database-api \node_modules\mssql\node_modules\tedious\lib\connector.js:87:14) 在 Socket.onError (C:\Users\Anıl Eren\Downloads\database-api\node_modules\mssql\node_modules\tedious\lib\connector. js:100:12) 在 Socket.emit (events.js:315:20) 在 emitErrorNT (internal/streams/destroy.js:106:8) 在 emitErrorCloseNT (internal/streams/destroy.js:74:3) {代碼:'ESOCKET',originalError:ConnectionError:無法連接到 localhost:1433 - 無法在 ConnectionError 處連接(序列)(C:\Users\Anıl Eren\Downloads\database-api\node_modules\mssql\node_modules\tedious\lib \errors.js:13:12) 在 Connection.socketError (C:\Users\Anıl Eren\Downloads\database-api\node_modules\mssql\node_modules\tedious\lib\connection.js:1290:56)
在 C:\Users\Anıl Eren\Downloads\database-api\node_modules\mssql\node_modules\tedious\lib\connection.js:1116:21 在 SequentialConnectionStrategy.connect (C:\Users\Anıl Eren\Downloads\database-api \node_modules\mssql\node_modules\tedious\lib\connector.js:87:14) 在 Socket.onError (C:\Users\Anıl Eren\Downloads\database-api\node_modules\mssql\node_modules\tedious\lib\connector. js:100:12) 在 Socket.emit (events.js:315:20) 在 emitErrorNT (internal/streams/destroy.js:106:8) 在 emitErrorCloseNT (internal/streams/destroy.js:74:3) 在processTicksAndRejections (internal/process/task_queues.js:80:21) { code: 'ESOCKET' } }
編輯:啟用 TCP/IP 端口 1433
var config = {
user: 'eren',
password: 'PAssPoxx1.',
server: 'localhost',
database: 'AIRPLANE',
options: {
encrypt: true,
enableArithAbort: true}
};
您的 sqlserver 實例是否名為 mssqlserver? 如果不是,在大多數情況下,您必須指定實例名稱“localhost\SQLEXPRESS”。
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