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mongoose findbyId() 显示“路径”参数必须是字符串类型。 收到模型的实例'

[英]mongoose findbyId() showing 'The "path" argument must be of type string. Received an instance of model'

所以这是我的代码(快递)

    app.get('/:id', async (req,res) => {
        const id = req.params.id;
        console.log(id)
        const bids = await Bid.findById(id)
        res.render(bids)
    
    })

所以这就是我在控制台中得到的

61671cef1c1db40b750502b0
(node:8068) UnhandledPromiseRejectionWarning: TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received an instance of model
    at validateString (internal/validators.js:124:11)
    at extname (path.js:828:5)
    at new View (D:\konectapp-1\node_modules\express\lib\view.js:56:14)
    at Function.render (D:\konectapp-1\node_modules\express\lib\application.js:570:12)
    at ServerResponse.render (D:\konectapp-1\node_modules\express\lib\response.js:1012:7)
    at D:\konectapp-1\app.js:62:9
    at processTicksAndRejections (internal/process/task_queues.js:95:5)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:8068) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:8068) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

我可以看到它在我记录的控制台顶部提供了对象 id,但是当我将它传递给 findbyid 时,它给了我这个错误

...但是当我将它传递给 findbyid 时,它给了我这个错误

猫鼬findById()似乎没有任何问题,尽管在使用async/awaittry/catch块时正确处理错误会更好。

[ERR_INVALID_ARG_TYPE]:“路径”参数必须是字符串类型...

这是从res.render(bids)抛出的。

res.render()只接受一个字符串,它是要渲染的视图文件的文件路径。 但是在这里你传递一个对象作为参数。 请参阅文档

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