HTTP事件云功能:请求正文值未定义 [英] HTTP Event Cloud Function: request body value is undefined

问题描述

将{"identifiant": "iJXB5E0PsoKq2XrU26q6"}发送到下面的Cloud Function时，我无法在请求正文中获取identifiant值，它将始终返回PROBLEMAS NO REQUEST.

When sending {"identifiant": "iJXB5E0PsoKq2XrU26q6"} to the below Cloud Function, I cannot get the identifiant value in the request body and it will always return PROBLEMAS NO REQUEST.

import * as functions from 'firebase-functions';
import * as admin from 'firebase-admin';

admin.initializeApp();

exports.meusCandidatos = functions.https.onRequest((req, res) => {
    const identifiant = req.body.identifiant;

    if(identifiant) res.status(200).json('ok').end();

    res.status(500).json('PROBLEMAS NO REQUEST').end();

});

推荐答案

与可调用函数，不会自动解析请求的正文，需要对其进行解析，然后才能使用它.

Unlike a Callable function, the body of a request is not parsed automatically and needs to be parsed before you can use it.

此外，json(...)将在内部调用end()，因此您不需要两者.另外，请确保不要多次调用end()，send()，json()等，否则会导致错误.

In addition, json(...) will call end() internally so you don't need both. Also make sure that you don't call end(), send(), json(), etc. multiple times, as this will lead to errors.

const jsonParser = require('body-parser').json();

exports.meusCandidatos = functions.https.onRequest((req, res) => {
    jsonParser(req, res, (err) => {
      if (err) {
        res.status(500).json({error: err.message});
        return; // stop here
      }

      const identifiant = req.body.identifiant;

      if (!identifiant) {
        res.status(500).json({error: 'PROBLEMAS NO REQUEST'});
        return; // stop here
      }

      // continue
      res.status(200).json({ status: 'ok' });
  })
});

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