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[英]nodemon app crashed - waiting for file changes before starting… nodejs
[英]Nodemon app crashed- waiting for file changes before starting
我試圖使用 MERN 堆棧制作 web 應用程序,並在使用集群連接到數據庫時,這里出現了一些錯誤,例如[nodemon] app crashed - 在啟動前等待文件更改。
import express from 'express';
import bodyParser from 'body-parser';
import mongoose from 'mongoose';
import cors from 'cors';
const app = express();
app.use(bodyParser.json({ limit: "30mb", extended: true }));
app.use(bodyParser.urlencoded({ limit: "30mb", extended: true }));
app.use(cors());
const CONNECTION_URL =
'mongodb+srv://javascriptmastery:javascriptmastery12345@cluster0.pcar8oj.mongodb.net/?
]retryWrites=true&w=majority'
const PORT = process.env.PORT || 5000;
mongoose.connect(CONNECTION_URL, { useNewUrlParser: true, useUnifiedTopology: true})
.then( () => app.listen(PORT, () => console.log(`Server running on port : ${PORT}`) ))
.catch((error) => console.log(error.message));
mongoose.set('useFindAndModify', false);
您的代碼中有一個小錯誤。 你的連接字符串可能有問題,你需要提供一個數據庫名稱,它應該是這樣的:
'mongodb+srv://javascriptmastery:javascriptmastery12345@cluster0.pcar8oj.mongodb.net/<dbname>?retryWrites=true&w=majority'
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