我是node.js的新手,需要帮助连接SQL服务器

我有以下node.js代码

var express = require('express');
var app = express();
app.get('/', function (req, res) {

    var sql = require("mssql");

    // config for your database
    var config = {
        user: 'sa',
        password: 'Amtex123',
        server: 'LAPTOP-7ACI67I5', 
        database: 'TData',
        port: 1433
    };

    // connect to your database
    sql.connect(config, function (err) {

        if (err) console.log(err);
    enter code here
        // create Request object
        var request = new sql.Request();

        // query to the database and get the records
        request.query('select * from credentials', 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..');
});

我收到错误消息

ConnectionError:无法连接到LAPTOP-7ACI67I5:1433 - 无法连接(序列)Connection.tedious.once.err(C:\ Projects \ nodejs \ node_modules \ mssql \ lib \ tedious.js:216:17)at在Connection.sneError(C:\ Projects \ nodejs \ node_modules \)的Connection.emit(events.js:211:7)的emitOne(events.js:116:13)处的Object.onceWrapper(events.js:315:30) tedious \ lib \ connection.js:869:14)在C:\ Projects \ nodejs \ node_modules \ tedious \ lib \ connection.js:739:25在SequentialConnectionStrategy.connect(C:\ Projects \ nodejs \ node_modules \ tedious \ lib) \ connector.js:153:9)在Socket.emit(C:\ Projects \ nodejs \ node_modules \ tedious \ lib \ connector.js:169:16)处于Socket.emit的emitOne(events.js:116:13)处(events.js:211:7)代码:'ESOCKET',**

我检查了各种解决方案

  • 所有SQL服务都在运行

  • TCP / IP已启用