错误:未定义配置属性"mongoURI“

{
  "mongoURI": "mongodb://username:password@host:port/database"
}

{
  "mongoURI": "mongodb://user:pass@localhost:27017/mydatabase"
}

export MONGO_URI="mongodb://user:pass@localhost:27017/mydatabase"

const mongoURI = process.env.MONGO_URI;
if (!mongoURI) {
  throw new Error('MongoDB URI is not defined');
}

const fs = require('fs');
const { MongoClient } = require('mongodb');

// 读取配置文件
const config = JSON.parse(fs.readFileSync('config.json', 'utf8'));

// 获取mongoURI
const mongoURI = config.mongoURI;

if (!mongoURI) {
  throw new Error('MongoDB URI is not defined');
}

// 连接MongoDB
MongoClient.connect(mongoURI, { useNewUrlParser: true, useUnifiedTopology: true }, (err, client) => {
  if (err) {
    console.error('Failed to connect to MongoDB', err);
    return;
  }
  console.log('Connected to MongoDB');
  client.close();
});