如何使用mongoose(express.js)为select数据编写condtion?

时间:2016-01-28 09:00:40

标签: node.js mongodb express mongoose meanjs

例如我已经给出了5个移动卖家列表的对象。我想只选择谁卖的品牌:诺基亚,型号名称:Lumia,子模型:Lumia 735 TS,Lumia 510如何在快递和用户中写出条件选择品牌:诺基亚,型号名称:Lumia,Submodel:Lumia 735 TS我怎么能在快递中写出condtion我给了我的控制器请帮我解决过去3天的困难。 存储在mongodb中的卖家列表

object 1

{
    "_id": {
        "$oid": "56a63a968411612f36ab4b5d"
    },
    "default": [],
    "Categories": [
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "7500",
                            "name": "Lumia 735 TS"
                        },
                        {
                            "price": "1000",
                            "name": "Lumia 510"
                        }
                    ],
                    "name": "Lumia"
                }
            ],
            "brandname": "Nokia",
            "id": "986745"
        }
    ],
    "Storename": "Poorvika Mobiles",
    "__v": 0
}

object 2:

{
    "_id": {
        "$oid": "56a63b418411612f36ab4b5e"
    },
    "default": [],
    "Categories": [
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "7500",
                            "name": "Lumia 735 TS"
                        },
                        {
                            "price": "8500",
                            "name": "Lumia 830"
                        }
                    ],
                    "name": "Lumia"
                }
            ],
            "brandname": "Nokia",
            "id": "986745"
        }
    ],
    "Storename": "Nokia Store",
    "__v": 0
}

object 3:

{
    "_id": {
        "$oid": "56a63b738411612f36ab4b5f"
    },
    "default": [],
    "Categories": [
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "7500",
                            "name": "Lumia 735 TS"
                        },
                        {
                            "price": "8500",
                            "name": "Lumia 830"
                        }
                    ],
                    "name": "Lumia"
                },
                {
                    "submodel": [
                        {
                            "price": "12000",
                            "name": "Asha Asn01"
                        },
                        {
                            "price": "5000",
                            "name": "Nokia Asha Dual sim"
                        }
                    ],
                    "name": "Asha"
                }
            ],
            "brandname": "Nokia",
            "id": "986745"
        }
    ],
    "Storename": "Sun Mobiles",
    "__v": 0
}

object 4:

{
    "_id": {
        "$oid": "56a63b7d8411612f36ab4b60"
    },
    "default": [],
    "Categories": [
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "7500",
                            "name": "Lumia 735 TS"
                        },
                        {
                            "price": "1000",
                            "name": "Lumia 510"
                        }
                    ],
                    "name": "Lumia"
                },
                {
                    "submodel": [
                        {
                            "price": "12000",
                            "name": "Asha Asn01"
                        },
                        {
                            "price": "5000",
                            "name": "Nokia Asha Dual sim"
                        }
                    ],
                    "name": "Asha"
                }
            ],
            "brandname": "Nokia",
            "id": "986745"
        }
    ],
    "Storename": "Mobile Corner",
    "__v": 0
}

object 5:
{
    "_id": {
        "$oid": "56a63b948411612f36ab4b61"
    },
    "default": [],
    "Categories": [
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "8500",
                            "name": "Trend 840"
                        },
                        {
                            "price": "10000",
                            "name": "Galaxy Note Duos"
                        }
                    ],
                    "name": "Galaxy"
                }
            ],
            "brandname": "Samsung",
            "id": "144745"
        }
    ],
    "Storename": "Asath Mobile Center",
    "__v": 0
}


object 6:

{
    "_id": {
        "$oid": "56a63ba48411612f36ab4b62"
    },
    "default": [],
    "Categories": [
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "8500",
                            "name": "Trend 840"
                        },
                        {
                            "price": "10000",
                            "name": "Galaxy Note Duos"
                        }
                    ],
                    "name": "Galaxy"
                },
                {
                    "submodel": [
                        {
                            "price": "6700",
                            "name": "Asha 230"
                        },
                        {
                            "price": "8500",
                            "name": "Asha Asn01"
                        }
                    ],
                    "name": "Asha"
                }
            ],
            "brandname": "Samsung",
            "id": "144745"
        }
    ],
    "Storename": "Zigzag Mobiles",
    "__v": 0
}

object 7:   

{
    "_id": {
        "$oid": "56a63baf8411612f36ab4b63"
    },
    "default": [],
    "Categories": [
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "7500",
                            "name": "Lumia 735 TS"
                        },
                        {
                            "price": "1000",
                            "name": "Lumia 510"
                        }
                    ],
                    "name": "Lumia"
                },
                {
                    "submodel": [
                        {
                            "price": "12000",
                            "name": "Asha Asn01"
                        },
                        {
                            "price": "5000",
                            "name": "Nokia Asha Dual sim"
                        }
                    ],
                    "name": "Asha"
                }
            ],
            "brandname": "Nokia",
            "id": "986745"
        },
        {
            "models": [
                {
                    "submodel": [
                        {
                            "price": "8500",
                            "name": "Trend 840"
                        },
                        {
                            "price": "10000",
                            "name": "Galaxy Note Duos"
                        }
                    ],
                    "name": "Galaxy"
                },
                {
                    "submodel": [
                        {
                            "price": "6700",
                            "name": "Asha 230"
                        },
                        {
                            "price": "8500",
                            "name": "Asha Asn01"
                        }
                    ],
                    "name": "Asha"
                }
            ],
            "brandname": "Samsung",
            "id": "144745"
        }
    ],
    "Storename": "Mobile Bazar",
    "__v": 0
}

控制器:

exports.shopByPhone = function(req, res) { 

    Shop.find().sort('-created').populate('user', 'displayName').exec(function(err, shops) {
        if (err) {
            return res.status(400).send({
                message: errorHandler.getErrorMessage(err)
            });
        } else {
            res.jsonp(shops);
        }
    });
};

条件1:  我想过滤仅销售

的数据

品牌:诺基亚

模特:Lumia

子模型:Lumia 735 TS,Lumia 510

如果Above condtion匹配,则应显示这3个卖家

1.Poorvika Mobiles

2.Mobile Corner

3.Mobile Bazar

这三家商店只卖

品牌:诺基亚

模特:Lumia

子模型:Lumia 735 TS,Lumia 510

Condtion 2:

我想过滤仅销售

的数据

品牌:诺基亚

模特:Lumia

子模型:Lumia 735 TS

如果Above condtion匹配,则应显示这3个卖家

1.Poorvika Mobiles

2.Mobile Corner

3.Mobile Bazar

这三家商店只卖

品牌:诺基亚

模特:Lumia

子模型:Lumia 735 TS,Lumia 510

1 个答案:

答案 0 :(得分:0)

尝试

find({
    'Categories.brandname':'Nokia', 
    'Categories.models.name':'Lumia', 
    'Categories.models.submodel.name':
        {'$all':['Lumia 510', 'Lumia 735 TS']}
})

$all会为您提供销售Lumia 510 Lumia 735的商店。如果您需要选择这些模型中的任何一个的查询,请使用{{ 1}}而不是。