{
"__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!");
}
}
);
}
这种查询方法比较特殊，直接用子文档的属性作为查询条件
"item.men.user": sUser 也可以这样查找：
Lists.items.men.id("id");
此时查到的就是子文档中的某一条，而不是整个父文档，
执行删除
Lists.items.men.id("id");
在保存文档