Question

我没有让内容类型更改为JSON，我已经尝试了很多方法，获取获取进入了函数，但发布却没有。

谢谢

我的代码：

index.js

const express = require('express');
let cors = require('cors');
let app = express();

const path = require('path');
const PORT = process.env.PORT || 5000;

app
    .use(express.static(path.join(__dirname, 'public')))
    .set('views', path.join(__dirname, 'views'))
    .set('view engine', 'ejs');

app.use(cors(), function(req, res) {
    res.type('json');
    console.log("test b");
    //req.header['Content-Type'] = 'application/json';
    //req.header['Abadabadoo'] = 'hue';
});

app.options('*', cors(),function(req, res, next) {
    res.type('json');
    console.log("b");
    //req.header['Content-Type'] = 'application/json';
    //req.header['Abadabadoo'] = 'hue';
    next();
});

app.post(cors(),function(req, res) {
    console.log("c");
    res.type('json');
    //req.header['Content-Type'] = 'application/json';
    //req.header['Abadabadoo'] = 'hue';
});

app.use(cors());
app.use(express.json())

app.listen(PORT, () => console.log(`Listening on ${ PORT }`));

获取

fetch(URL, {
                method: 'POST',
                mode:'cors',
                body: JSON.stringify(toSend)
            }).then(function (response) {
                return response.json();
            }).then(data => {
                console.log(data);
            }).catch(err => {
                console.error('Failed retrieving information', err);
            });

响应

{
email: Array [ "The email field is required." ]
password: Array [ "The password field is required." ]
}

请求标头

Accept  */*
Accept-Encoding gzip, deflate, br
Accept-Language en-US,en;q=0.5
Connection  keep-alive
Content-Length  40
Content-Type    text/plain;charset=UTF-8

错误422无法处理的实体

提取信息未以快递形式输入

0 个答案: