使用Mongo CLI非常简单:
db.version ()
我该如何使用mongoose实现相同的功能?我该如何发送自定义命令?
Admin#buildInfo
方法进行操作。var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/test', function(err){
var admin = new mongoose.mongo.Admin(mongoose.connection.db);
admin.buildInfo(function (err, info) {
console.log(info.version);
});
});
buildInfo
。var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/test', function(err) {
mongoose.db.command({ buildInfo: 1 }, function (err, info) {
console.log(info.version);
});
});
https://docs.mongodb.com/manual/reference/command/buildInfo/#dbcmd.buildInfo
试试这个,它会给你MongoDB和Mongoose的版本
async function run() {
var admin = new mongoose.mongo.Admin(mongoose.connection.db);
admin.buildInfo(function (err, info) {
console.log(`mongodb: ${info.version}`);
console.log(`mongoose: ${mongoose.version}`);
});
}
mongoose.connect(process.env.MONGO_URI, {
useNewUrlParser: true,
useUnifiedTopology: true
})
.then(() => {
console.log('MongoDB connected');
run();
})
.catch(error => {
console.log(error);
});
require("mongoose/node_modules/mongodb")
。 - Gabriel Llamas