你不能直接从mongoose提供的连接中获取列表，但是使用mongoAdmin对象很容易，因为它包含一个名为...
db.dropDatabase() 删除当前数据库 db.eval_r(func, args) run code server-side db.getCollection(cname) same as db['cname'] or db.cname db.getCollectionNames() 获取当前数据库的表名 db.getLastError() - just returns the err msg string db.getLastErrorObj() - return full status object db.g...
To have all virtuals show up in your console.log output, set the toObject option to { getters: true }:const schema = new Schema({ name: String }); schema.path('name').get(function(v) { return v + ' is my name'; }); schema.set('toObject', { getters: true }); const M ...
«Array» Get all subdocs (by bfs) Document.prototype.$getPopulatedDocs() Returns: «Array[Document]» array of populated documents. Empty array if there are no populated documents associated with this document. Gets all populated documents associated with this document.Document...
mongoose是一个ODM(对象数据模型)。(Object Data Model) 使用JS对象的语法来映射Mongodb数据库中的表和document collection:数据库中的表 Document:表中的一条记录 mongoose是一个对象 mongoose是mongodb的对象建模工具 mongoose用于和mongodb通信的函数库(增删改查) ...
MG_EV_RECV:接收到新数据,并将数据追加到recv_mbuf.void * ev_data是 int *num_received_bytes.通常情况下事件处理程序应该在nc->recv_mbuf()检查接受到的数据,通过调用mbuf_remove()丢弃处理后的数据,必要时设置链接标志nc->flags(查看struct mg_connection).使用mg_send()向远程链接点发送数据。
post("save", async function (doc, next) { try { let data = await doc .model("User") .findOneAndUpdate({ _id: doc._id }, { exampleIDField: "some ID you want to pass" }); } catch (error) { console.log("get -> error", error); next(error); } }); } work with pre &...
MongoDB and Mongoose in Action All In One Node.js API Server Mongoose Model Mongoose v7.6.0: Model // DB name ✅mongoose.connect('mongodb://127.0.0.1:27017/database_name');constMyModel= mongoose.model('Test',newSchema({name:String}));// WorksawaitMyModel.findOne(); ...
# mongoDB基本组成数据库(database):数据库是一个仓库,在仓库中可以存放集合。...为Html5的文档中,添加一个classes:{base:["h6+c3","js","jQuery", "abc"] , core:["三大框架","node.js"]} //MongoDB的文档的属性值也可以是一个...
[Function:cast],STATES:[Object:nullprototype]{'0':'disconnected','1':'connected','2':'connecting','3':'disconnecting','99':'uninitialized',disconnected:0,connected:1,connecting:2,disconnecting:3,uninitialized:99},setDriver:[Function:setDriver],set:[Function(anonymous)],get:[Function(anonymous...