请问一下关于nodejs的问题,对象添加问题

Question

                    这里doc我已经用mongoose查询过来了已经有了如下：        { _id: 5abde50b0bbd63c05201e938,          productImage: '1.jpg',          salePrice: 200,          productName: '小米音响',          productId: '201710007' }                        if(doc){//但是我这两个属性没有加上                                doc.productNum = "1";                                doc.checked = "1";//但是我这两个属性没有加上                                userdoc.cartList.push(doc);                                userdoc.save(function(err2,doc){                                    if(err2){                                        res.json({                                        status:'1',                                        msg:err2.message                                        })                                    }else{                                        res.json({                                            status:'0',                                            msg:"",                                            result:"成功"                                            })                                    }                                });这是我的数据模型var mongoose = require('mongoose');var userSchema = new mongoose.Schema({"userId":String,"userName":String,"userPwd":String,"orderList":Array,"cartList":[{"productId":String,"productName":String,"salePrice":String,"productImage":String,"checked":String,"productNum":String}],"addressList":Array});module.exports = mongoose.model("us",userSchema);希望各位大师帮我解释下为什么

Answer 1

我也遇到了这个问题，不知道楼主是否已经解决了，如果解决了还请分享一波