Sequelize：在一个实例上连接到多个MSSQL数据库

我在本地计算机上运行了一个MSSQL服务器（全新安装），它拥有三个数据库：global，client0，client1 . 我想在node.js后端使用Sequelize连接到数据库 .

鉴于下面的代码，当我只尝试连接到一个数据库时， Build 连接正常 . 一旦我尝试连接到多个数据库，我就会被拒绝的承诺抛出异常，说（虽然 Build 了与第一个提供的数据库的连接）：

{ SequelizeConnectionError
    at Connection.connection.on (...\server\node_modules\sequelize\lib\dialects\mssql\connection-manager.js:75:16)
    at Connection.emit (events.js:182:13)
    at Connection.cleanupConnection (...\server\node_modules\tedious\lib\connection.js:576:16)
    at Connection.enter (...\server\node_modules\tedious\lib\connection.js:1945:12)
    at Connection.transitionTo (...\server\node_modules\tedious\lib\connection.js:981:26)
    at Connection.socketError (...\server\node_modules\tedious\lib\connection.js:1675:14)
    at Connection.dispatchEvent (...\server\node_modules\tedious\lib\connection.js:992:38)
    at Connection.socketError (...\server\node_modules\tedious\lib\connection.js:1010:12)
    at Socket.emit (events.js:182:13)
    at emitErrorNT (internal/streams/destroy.js:82:8)
    at emitErrorAndCloseNT (internal/streams/destroy.js:50:3)
    at process._tickCallback (internal/process/next_tick.js:63:19)
  name: 'SequelizeConnectionError',
  parent: 'Connection was closed by remote server',
  original: 'Connection was closed by remote server' }

config.js

module.exports = {
  port: 8081,
  clients: [
    {
      db: {
        database: 'global',
        user: 'SA',
        password: 'Super123!',
        options: {
          host: 'localhost',
          port: 1434,
          dialect: 'mssql',
          operatorsAliases: false
        }
      },
      authentication: {
        jwtSecret: 'secret'
      }
    },
    {
      db: {
        database: 'client0',
        user: 'SA',
        password: 'Super123!',
        options: {
          host: 'localhost',
          port: 1434,
          dialect: 'mssql',
          operatorsAliases: false
        }
      }
    },
    {
      db: {
        database: 'client1',
        user: 'SA',
        password: 'Super123!',
        options: {
          host: 'localhost',
          port: 1434,
          dialect: 'mssql',
          operatorsAliases: false
        }
      }
    }
  ]
};

index.js

const fs = require('fs');
const path = require('path');
const Sequelize = require('sequelize');
const config = require('../config');

const dbConnections = [];

config.clients.forEach((client) => {
  const sequelize = new Sequelize(
    client.db.database,
    client.db.user,
    client.db.password,
    client.db.options
  );
  const dbConnection = {};
  fs
    .readdirSync(__dirname)
    .filter(file => file !== 'index.js')
    .forEach((file) => {
      const model = sequelize.import(path.join(__dirname, file));
      dbConnection[model.name] = model;
    });

  dbConnection.sequelize = sequelize;
  dbConnection.Sequelize = Sequelize;
  dbConnections.push({ ...dbConnection });
});

module.exports = dbConnections;

app.js

const dbConnections = require('./models/index');

dbConnections.forEach((dbConnection) => {
  dbConnection.sequelize.sync({ force: false })
    .then(() => {
      console.log('Done.');
    })
    .catch((err) => {
      console.log(err);
    });
});

我将不胜感激任何建议和/或帮助 .