mongoose多个连接

mongoose通过 _连接池_处理连接http://mongoosejs.com/docs/connections.html

您可以使用

server: {poolSize: 5}

如果您需要连接到不同的数据库，请在此处查看Mongoose和单个node.js项目中的多个数据库

多个连接的示例：

var mongoose = require('mongoose')var conn = mongoose.createConnection('mongodb://localhost/db1');var conn2 = mongoose.createConnection('mongodb://localhost/db2');var Schema = new mongoose.Schema({})var model1 = conn.model('User', Schema);var model2 = conn2.model('Item', Schema);model1.find({}, function() {   console.log("this will print out last");});model2.find({}, function() {   console.log("this will print out first");});