YangHuOperation/modules/all_models/std_price_info_summary.js

const mongoose = require('mongoose');

const Schema = mongoose.Schema;
const collectionName = 'std_price_info_summary';

const modelSchema = {
  ID: { type: String, required: true },
  code: String, // 主从对应码
  classCode: String, // 别名编码
  expString: String, // 计算式，
  name: String, // 材料名称
  specs: String, // 规格型号
  unit: String, // 单位
};
mongoose.model(collectionName, new Schema(modelSchema, { versionKey: false, collection: collectionName }));