Question

这是我的.env

DB_DATABASE="xyz_datatbase"
DB_USERNAME="xyz_user"
DB_PASSWORD="xyz_password"

在index.js中，我使用的是上面的env const，但是我得到的错误密码即使是字符串也必须是字符串，我用typeof process.env.DB_PASSWORD进行了检查，然后我得到了字符串

// config.db.url = mongodb://localhost/
mongoose.connect(config.db.url, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    useCreateIndex: true,
    useFindAndModify: false,
    dbName: process.env.DB_DATABASE || '',
    auth: {
        user: process.env.DB_USERNAME || '',
        pass: process.env.DB_PASSWORD || '',
    },
});

控制台错误

(node:28764) UnhandledPromiseRejectionWarning: MongooseServerSelectionError: password must be a string
    at NativeConnection.Connection.openUri (D:\test\test-app-node-js\node_modules\mongoose\lib\connection.js:830:32)
    at Mongoose.connect (D:\test\test-app-node-js\node_modules\mongoose\lib\index.js:335:15)
    at Object.<anonymous> (D:\test\test-app-node-js\server\server.js:10:10)
    at Module._compile (internal/modules/cjs/loader.js:778:30)

Answer 1

当您将数据或env变量存储在.env文件中时，请勿将其用双引号引起来，您的代码应像这样， DB_DATABASE=xyz_datatbase DB_USERNAME=xyz_user DB_PASSWORD=xyz_password

Answer 2

从documentation 您可以在顶级选项中指定user和pass，例如

// config.db.url = mongodb://localhost/
mongoose.connect(config.db.url, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    useCreateIndex: true,
    useFindAndModify: false,
    dbName: process.env.DB_DATABASE || '',
    user: process.env.DB_USERNAME || '',
    pass: process.env.DB_PASSWORD || '',
});

猫鼬连接密码必须为字符串

2 个答案: