Fetch usage and how to receive the value transmitted by JS. fetch receives the value transmitted by js.

Fetch usage and how to receive the value transmitted by JS. fetch receives the value transmitted by js.

Basic fetch method:

fetch('https://mywebsite.com/endpoint/', { method: 'POST', headers: { 'Accept': 'application/json', 'Content-Type': 'application/json'}, body: JSON.stringify({ username: 'username', password: 'password'}) }).then(function(res){ console.log(res) })

Method 1: Add headers Definition

The headers are defined as follows:

headers: {'Content-Type': 'application/x-www-form-urlencoded'},

At the same time, use the following method to pass the value to the body:

body:'username='+uname+'&password='+password

Use the following in php to receive

input('username')

Method 2: Change the Acceptance Method in php

The acceptance method is as follows:

$arr = file_get_contents("php://input");

Returns a String object. The value must be processed as follows:

$result=array(); foreach (explode('&', $arr) as $t){ list($a,$b)=explode('=', $t); $result[$a]=$b; }

In this case, the following values can be received:

$result['username']

Summary

The above section describes how to use fetch and how to receive JS values. I hope it will be helpful to you. If you have any questions, please leave a message and I will reply to you in a timely manner!