Question

我需要提供搜索电子商务网站。其中有一个4级菜单，如。我把它们分成了3个这样的模式

类别架构

category>>subcategory>>product>>subproduct

子类别和产品架构

var categorySchema = new mongoose.Schema(
{
    "catname": {type: String, required: true},
}
);
mongoose.model('category',categorySchema);

子产品架构

var productSchema = new mongoose.Schema(
{
    "catid": {type: mongoose.Schema.Types.ObjectId, ref: 'category'},
    "subcatname": {type: String, required: true},
    "product":[
        {
            "productname":{type:String},
        }
    ]
}
);
mongoose.model('product',productSchema);

我需要提供与用户搜索相对应的var subproductSchema = new mongoose.Schema( { "productid": {type: mongoose.Schema.Types.ObjectId, ref: 'products', required: true}, "itemcode": {type: String, required: true}, "itemname": {type: String, required: true/*, index: "text"*/}, "itemdescription": {type: String, required: true}, "itemimgurl": {type: String, required: true}, "mainprice": {type: Number}, "offerprice": {type: Number, required: true}, "unit": {type: String, required: true}, "stock": {type: Number, required: true}, "offertag": {type: String}, "itemprice":[ { "itemname" :{type: String, required: true}, "unit": {type: String, required: true}, "offerprice": {type: Number, required: true}, "mainprice": {type: Number}, "stock": {type: Number, required: true}, "notify": {type: Number, required: true}, "status": {type: Boolean, required: true}, "itemimgurl": {type: String}, "offertag": {type: String} } ] } ); mongoose.model('subproduct',subproductSchema);，例如，如果用户使用subproducts或catname或subcatname或productname进行搜索给出相关的itemname。我如何用猫鼬实现这一目标？

Answer 1

这是参考您在评论中提出的问题。

如果您想搜索不完整的查询或单词，我会提供一个小代码，对您有帮助。

var query = req.body.query;  //the string you take for search
var filter = {
        $or: [
                {subcatname: new RegExp('.*' + query, 'i')},
                {productname: new RegExp('.*' + query, 'i')},
                //similarly you can put more cases
            ]
    }

subproducts.find(filter, function(err, data){
       if(err){console.log(err);}
       console.log(data);
});

如何对一个集合执行`$ text`搜索以从其他集合中获取数据？

1 个答案: