这是我的connectDB.js文件

import mongoose from 'mongoose'


const connectDB = async () => {
  
  mongoose.connect(process.env.MONGO_URI)

};

export default connectDB;

字符串
这是我的Product.model.js文件

import mongoose from "mongoose";

const productSchema = new mongoose.Schema({
  title: { type: String, required: true },
  desc: { type: String, required: true },
  slug: { type: String, required: true },
  img: { type: String, required: true },
  category: { type: String, required: true },
  size: { type: String },
  color: { type: String },
  price: { type: Number, required: true },
  availableQty: { type: Number, required: true },
}, { timestamps: true })

export default mongoose.models.Product || mongoose.model("Product", productSchema)

型
这是/api/product. js文件

import connectDB from "@/libs/connectDB"
import Product from "@/models/Product.model.js"



export default async function handler(req, res) {

  try {
    console.log("CONNECTING TO DB");
    await connectDB()
    console.log("CONNECTED TO DB");
    if (req.method === 'GET') {
      // const products = await Product.find()
      res.status(200).json({ d: "products" })
    }

    if (req.method === 'POST') {
      console.log("creating product")
      const product = await Product.create(req.body)
      console.log("created product")
      res.status(201).json({ product })
    }

    res.status(400).json({ error: 'Bad Request' })

  } catch (err) {
    console.log(err);
    res.status(500).json({ error: err })
  }

}

型
当我创建一个post请求到/API/products时，我得到了这种类型的错误：
MongooseError：操作products.insertOne()缓冲在10000 ms后超时，位于进程中的listOntario（node：internal/timers：573：17）。processTimers（node：internal/timers：514：7）error - unhandledRejection：Error [MongooseServerSelectionError]：connect EASPMENT REFUSED：：1：27017 at _NativeConnection.openUri { digest：undefined }