我如何POST一个x-www-form-urlencoded请求使用Fetch?

我有一些参数，我想POST表单编码到我的服务器:

{
    'userName': 'test@gmail.com',
    'password': 'Password!',
    'grant_type': 'password'
}

我像这样发送我的请求(目前没有参数)

var obj = {
  method: 'POST',
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
  },
};
fetch('https://example.com/login', obj)
  .then(function(res) {
    // Do stuff with result
  });

如何在请求中包含表单编码的参数?

当前回答

var details = {
    'userName': 'test@gmail.com',
    'password': 'Password!',
    'grant_type': 'password'
};

var formBody = [];
for (var property in details) {
  var encodedKey = encodeURIComponent(property);
  var encodedValue = encodeURIComponent(details[property]);
  formBody.push(encodedKey + "=" + encodedValue);
}
formBody = formBody.join("&");

fetch('http://identity.azurewebsites.net' + '/token', {
  method: 'POST',
  headers: {
    'Accept': 'application/json',
    'Content-Type': 'application/x-www-form-urlencoded'
  },
  body: formBody
})

它对我很有帮助，而且没有任何错误

参考资料:https://gist.github.com/milon87/f391e54e64e32e1626235d4dc4d16dc8

2019-10-06 03:47:41

其他回答

只需将主体设置为如下所示

var reqBody = "username="+username+"&password="+password+"&grant_type=password";

then

fetch('url', {
      method: 'POST',
      headers: {
          //'Authorization': 'Bearer token',
          'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
      },
      body: reqBody
  }).then((response) => response.json())
      .then((responseData) => {
          console.log(JSON.stringify(responseData));
      }).catch(err=>{console.log(err)})

2020-12-10 11:00:00

*/ import this statement */
import qs from 'querystring'

fetch("*your url*", {
            method: 'POST',
            headers: {'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8'},
            body: qs.stringify({ 
                username: "akshita",
                password: "123456",
            })
    }).then((response) => response.json())
      .then((responseData) => {
         alert(JSON.stringify(responseData))
    })

在使用npm i querystring后，保存它的工作很好。

2019-05-02 05:18:55

更简单:

fetch('https://example.com/login', {
    method: 'POST',
    headers:{
      'Content-Type': 'application/x-www-form-urlencoded'
    },    
    body: new URLSearchParams({
        'userName': 'test@gmail.com',
        'password': 'Password!',
        'grant_type': 'password'
    })
});

文档:https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch

2018-11-07 12:20:55

您可以使用react-native-easy-app，更容易发送http请求和制定拦截请求。

import { XHttp } from 'react-native-easy-app';

* Synchronous request
const params = {name:'rufeng',age:20}
const response = await XHttp().url(url).param(params).formEncoded().execute('GET');
const {success, json, message, status} = response;


* Asynchronous requests
XHttp().url(url).param(params).formEncoded().get((success, json, message, status)=>{
    if (success){
       this.setState({content: JSON.stringify(json)});
    } else {
       showToast(msg);
    }
});

2020-04-01 06:15:43

对于上传表单编码的POST请求，我建议使用FormData对象。

示例代码:

var params = {
    userName: 'test@gmail.com',
    password: 'Password!',
    grant_type: 'password'
};

var formData = new FormData();

for (var k in params) {
    formData.append(k, params[k]);
}

var request = {
    method: 'POST',
    headers: headers,
    body: formData
};

fetch(url, request);

2016-02-15 22:50:58

我如何POST一个x-www-form-urlencoded请求使用Fetch?

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