ConstructionCost/modules/all_models/equipment_purchase.js

let mongoose = require('mongoose'),
    Schema = mongoose.Schema;


let equipment = {
    ID:String,
    code:String,
    name:String,
    unit:String,
    quantity:Number,
    unitPrice:Number,//单价
    totalPrice:Number,//金额
    remark:String
}


let equipment_purchase = new Schema({
    projectID:{
        type: Number,
        index: true
    },
    total:Number,//合计
    equipments :[equipment]
    },{versionKey:false})
mongoose.model('equipment_purchase', equipment_purchase,'equipment_purchase');