Instructions for using the http.request method in node.js_node.js

Method description:

The function room of the function acts as a client to initiate a request to the HTTP server.

Grammar:

Copy code The code is as follows:

http.get(options, callback)

Since this method belongs to the http module, the http module needs to be introduced before use (var http= require("http") )

Receive parameters:

option array object, containing the following parameters:

Host: Represents the domain name or IP address (requested address) of the requested website. Defaults to 'localhost'.

Hostname: Server name, hostname is the preferred value.

port: The port of the requested website, the default is 80.

localAddress: Local location to establish network connection

socketPath: Unix Domain Socket (Domain socket path)

method: HTTP request method, the default is ‘GET’.

path: The requested path relative to the root, the default is '/'. QueryString should be included in it. For example: /index.html?page=12

headers: Request header object.

auth: Basic authentication (Basic authentication), this value will be calculated as the Authorization part of the request header.

callback: callback, passing a parameter, which is an instance of http.ClientResponse. http.request returns an instance of http.ClientRequest.

Example:

Copy code The code is as follows:

var options = {
hostname: 'www.google.com',
port: 80,
path: '/upload',
method: 'POST'
};

var req = http.request(options, function(res) {
console.log('STATUS: ' res.statusCode);
console.log('HEADERS: ' JSON.stringify(res.headers));
res.setEncoding('utf8');
res.on('data', function (chunk) {
console.log('BODY: ' chunk);
});
});

req.on('error', function(e) {
console.log('problem with request: ' e.message);
});

// write data to request body
req.write('datan');
req.write('datan');
req.end();