Question

mongoose 中 update 用 save 修改失效，是什么原因

Answer 1

mongoose 中 update 用 save 修改失效，是什么原因
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394//数据库是:{ "__v": 1, "_id": "538f5f0f6195a184108c8bd8", "title": "GameTitle", "item": [{ "_id": "538f5f0f6195a184108c8bd6", "name": "itemOne", "men": [{ "_id": "5390cccf0a84f41f37082874", "user": "id22222222", "score": 2000 }, { "_id": "2390cccf0a84f41f37082873", "user": "id33333333", "score": 1000 }] }, { "_id": "538f5f0f6195a184108c8bd7", "name": "itemTwo", "men": [] }], "status": 1} //代码是: var MenSchema = new mongoose.Schema({ user: 'String', score: { type: Number, default: 0 } }); var ItemsSchema = new mongoose.Schema({ name: String ,men: [MenSchema] }); ListsSchema = new mongoose.Schema({ title: { type: String, required: true } ,item: [ItemsSchema] }); var Items = mongoose.model('item', ItemsSchema); var Lists = mongoose.model('lists', ListsSchema); var Men = mongoose.model('men', MenSchema);Insert and update: function commit(sId, sItem, sUser, sIncreaseScore) { Lists.findOne({, "_id": sId, "item.name": sItem }, null, function(err, documents) { if (!err) { if (documents != null) { Lists.findOne({ "_id": sId, "item.name": sItem, "item.men.user": sUser }, null, function(err, subDoc) { if (!err) { if (subDoc != null) { //increase user score //!!!!!!!!!!!!!But subDoc will get all arrays of item.men, so I can't update it correctly } else { //inser new user score var userData = new Men({ user: sUser, score: sScore }); documents.item[0].men.push(userData); documents.save(function(err) { if (!err) { ///!!!!!!!!!!!!!!Will come this console.log("documents error on save!"); } else { console.log("save documents ok!"); } }); } } }); } } else { console.log("not find the game item!"); } } );}