- insert
source code
function (obj, _allow_dot) { if (!obj) { throw "no object passed to insert!"; } if (!_allow_dot) { this._validateForStorage(obj); } if (typeof obj._id == "undefined" && !Array.isArray(obj)) { var tmp = obj; obj = {_id:new ObjectId}; for (var key in tmp) { obj[key] = tmp[key]; } } this._db._initExtraInfo(); this._mongo.insert(this._fullName, obj); this._lastID = obj._id; this._db._getExtraInfo("Inserted"); }example：
db.users.insert({"userName":"chjzh","pwd":"123"}) - find
source code
function (query, fields, limit, skip, batchSize, options) { return new DBQuery(this._mongo, this._db, this, this._fullName, this._massageObject(query), fields, limit, skip, batchSize, options || this.getQueryOptions()); }example
db.users.find({"userName":"chjzh"}) - save
source code
function (obj) { if (obj == null || typeof obj == "undefined") { throw "can't save a null"; } if (typeof obj == "number" || typeof obj == "string") { throw "can't save a number or string"; } if (typeof obj._id == "undefined") { obj._id = new ObjectId; return this.insert(obj); } else { return this.update({_id:obj._id}, obj, true); } }example
db.users.save({"userName":"chjzh","pwd":"111111"}) - count
source code
function (x) { return this.find(x).count(); }example
db.users.count()
- find
source code
function (query, fields, limit, skip, batchSize, options) { return new DBQuery(this._mongo, this._db, this, this._fullName, this._massageObject(query), fields, limit, skip, batchSize, options || this.getQueryOptions()); }example
db.users.find() db.users.find({"userName":"chjzh"})
作者：bychjzh 发表于2013-3-15 19:19:19 原文链接
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