如何在React Native中使用Rest Api执行具有完整验证的登录

Question

I am trying to Build an Application in React native i have to perform Login User Authentication using Rest Api . Because i am new to React native i am not able to understand how to perform this action can any body help. Thanks

Answer 1

React Native provides the Fetch API for your networking needs. Fetch will seem familiar if you have used XMLHttpRequest or other networking APIs before. You may refer to MDN's guide on Using Fetch for additional information.

Making requests

In order to fetch content from an arbitrary URL, just pass the URL to fetch:

fetch('https://mywebsite.com/mydata.json');

example.js

// Example POST method implementation:

postData('http://example.com/answer', {answer: 42})
  .then(data => console.log(JSON.stringify(data))) // JSON-string from `response.json()` call
  .catch(error => console.error(error));

function postData(url = '', data = {}) {
  // Default options are marked with *
    return fetch(url, {
        method: 'POST', // *GET, POST, PUT, DELETE, etc.
        mode: 'cors', // no-cors, cors, *same-origin
        cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
        credentials: 'same-origin', // include, *same-origin, omit
        headers: {
            'Content-Type': 'application/json',
            // 'Content-Type': 'application/x-www-form-urlencoded',
        },
        redirect: 'follow', // manual, *follow, error
        referrer: 'no-referrer', // no-referrer, *client
        body: JSON.stringify(data), // body data type must match "Content-Type" header
    })
    .then(res => res.json())
.then(response => console.log('Success:', JSON.stringify(response)))
.catch(error => console.error('Error:', error));
}