Question

我试图在发出Axios POST请求后从Node / Express服务器接收响应。

我能够成功将消息发送到我的服务器，该服务器已在控制台中登录。但是，我希望能够在服务器端使用response.send（）将一些数据返回到我的浏览器。

为什么axios.post.then（）不在控制台中记录此响应？

-客户端-

<html>
<head>
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
</head>
<body>
    <button onclick="axiosPost()">Post Test</button>

    <script>
        function axiosPost() {
            axios.post('http://localhost:3000/submitMessage', {
            message: "sample message",
            }).then(response => {
                console.log(response);
            })
            .catch(error => {
                console.log(error);
            });
        }
    </script>
    </div>
</body>     
</html>

-服务器端-

const express = require('express');
const app = express();
const port = 3000;
var path = require('path');

// serves index.html
app.get('/', (req, res) => {
    res.sendFile(path.join(__dirname + '/index.html'))
});

app.listen(port, () => console.log(`Listening at http://localhost:${port}`))

// Parse JSON bodies (as sent by API clients)
app.use(express.json());

app.post('/submitMessage', function(request, response){
    message = request.body.message;
    console.log("Message: " + message);
    response.send('Server response message!!');
})

Answer 1

好吧，我从未使用过Axios，但我认为您需要返回JSON

app.post('/submitMessage', (request, response) => {
    message = request.body.message;
    console.log("Message: " + message);

    response.status(200).json({
        status: 200,
        ok: true,
        data: {
            msg: message
            // Any data for the response
        }
    })
})

您还可以在前端使用Async / Await

有一个不错的帖子here，您可以查看有关它的信息

Answer 2

在前端收听response.end('Message')。或在服务器端使用简单的# read input data -- search data for departure months (columns) across shopping days (rows) df = pd.read_csv('test_arima_states_input.csv', header=0) # format date columns df['date'] = pd.to_datetime(df.date, format='%m/%d/%Y') df['date'] = df['date'].dt.strftime('%m/%d/%Y') state_data = df[['State', 'date', 'Jul-20']] spark_df = spark.createDataFrame(state_data) results = spark_df.groupby('State').apply(run_arima_fcst) results.show()

从POST接收Axios响应

2 个答案: