什么 headers 需要与 post 请求一起发送
What headers need to be sent with post request
我正在使用 postman 测试服务器,一切正常,从某种意义上说,我得到了答案:
但是如果我从浏览器向同一个地址发出 post 请求,它会抛出一个错误并且答案是未定义的
Postman 有以下 headers:
如何正确发送 post 请求以获得响应?
主文件(App.js):
const express = require('express');
const config = require('config');
const mongoose = require('mongoose');
const cors = require('cors');
const app = express();
const corsOptions = {
origin: config.get('CORS.whiteList'),
optionsSuccessStatus: config.get('CORS.optionsSuccessStatus')
}
app.use(cors(corsOptions));
app.use('/api/auth', require('./routes/auth.routes'));
const PORT = config.get('PORT') || 5000;
async function startServer() {
try {
await mongoose.connect(config.get('mongoUri'), {
useNewUrlParser: true,
useUnifiedTopology: true,
useCreateIndex: true
});
app.listen(PORT, () => console.log(`App has been started on port: ${PORT}`));
} catch (err) {
console.log(`Server error: ${err.message}`);
process.exit(1);
}
}
startServer();
和路由器:
const { body, validationResult } = require('express-validator');
const User = require('../models/User');
const config = require('config');
const bodyParser = require('body-parser');
const router = express.Router();
const jsonParser = bodyParser.json();
const urlencodedParser = bodyParser.urlencoded({ extended: false });
router.post('/login',
urlencodedParser, [body('email', 'Некоректный email').isEmail()],
async(req, res) => {
try {
const errors = validationResult(req);
if (!errors.isEmpty()) {
console.log(3)
return await res.status(400).json({
errors: errors.array()[0].msg,
message: 'Некорректные данные при регистрации'
})
}
const email = req;
console.log(email)
const candidate = await User.findOne({ email: email });
console.log(3)
if (candidate) {
return await res.status(400).json({
msg: 'Такой email уже зарегестрирован'
});
}
const user = new User({
email
});
await user.save();
} catch (err) {
console.log(err)
return await res.status(500).json({
msg: 'Что-то пошло не так, попробуйте снова',
err: err.stack
});
}
}
);
module.exports = router;
据我了解,问题出在expressValidator。
UPD
我试过使用 formData,但它不起作用。
您期待的是 x-www-form-encoded,但您发送的是 json。
你应该这样做
const onSubmit = () => {
fetch(url,
{ method: 'post',
headers: {
{ /* depending on server, this may not be needed */}
'Content-Type': 'application/x-www-form-urlencoded'
},
body: new URLSearchParams({ 'email': 'daw' });
}
}
我正在使用 postman 测试服务器,一切正常,从某种意义上说,我得到了答案:
但是如果我从浏览器向同一个地址发出 post 请求,它会抛出一个错误并且答案是未定义的
Postman 有以下 headers:
如何正确发送 post 请求以获得响应?
主文件(App.js):
const express = require('express');
const config = require('config');
const mongoose = require('mongoose');
const cors = require('cors');
const app = express();
const corsOptions = {
origin: config.get('CORS.whiteList'),
optionsSuccessStatus: config.get('CORS.optionsSuccessStatus')
}
app.use(cors(corsOptions));
app.use('/api/auth', require('./routes/auth.routes'));
const PORT = config.get('PORT') || 5000;
async function startServer() {
try {
await mongoose.connect(config.get('mongoUri'), {
useNewUrlParser: true,
useUnifiedTopology: true,
useCreateIndex: true
});
app.listen(PORT, () => console.log(`App has been started on port: ${PORT}`));
} catch (err) {
console.log(`Server error: ${err.message}`);
process.exit(1);
}
}
startServer();
和路由器:
const { body, validationResult } = require('express-validator');
const User = require('../models/User');
const config = require('config');
const bodyParser = require('body-parser');
const router = express.Router();
const jsonParser = bodyParser.json();
const urlencodedParser = bodyParser.urlencoded({ extended: false });
router.post('/login',
urlencodedParser, [body('email', 'Некоректный email').isEmail()],
async(req, res) => {
try {
const errors = validationResult(req);
if (!errors.isEmpty()) {
console.log(3)
return await res.status(400).json({
errors: errors.array()[0].msg,
message: 'Некорректные данные при регистрации'
})
}
const email = req;
console.log(email)
const candidate = await User.findOne({ email: email });
console.log(3)
if (candidate) {
return await res.status(400).json({
msg: 'Такой email уже зарегестрирован'
});
}
const user = new User({
email
});
await user.save();
} catch (err) {
console.log(err)
return await res.status(500).json({
msg: 'Что-то пошло не так, попробуйте снова',
err: err.stack
});
}
}
);
module.exports = router;
据我了解,问题出在expressValidator。
UPD
我试过使用 formData,但它不起作用。
您期待的是 x-www-form-encoded,但您发送的是 json。
你应该这样做
const onSubmit = () => {
fetch(url,
{ method: 'post',
headers: {
{ /* depending on server, this may not be needed */}
'Content-Type': 'application/x-www-form-urlencoded'
},
body: new URLSearchParams({ 'email': 'daw' });
}
}