nodejs发送http请求

var request = require('request');
var  options = {
　　　　　　　method: 'post',
            url: u,
            form: content,
            headers: {
              'Content-Type': 'application/x-www-form-urlencoded'
            }
          };

          request(options, function (err, res, body) {
            if (err) {
              console.log(err)
            }else {
              console.log(body);
            }
          })

get

var http = require('http');  

var qs = require('querystring');  

var data = {
    a: ,
    time: new Date().getTime()};//这是需要提交的数据  

var content = qs.stringify(data);  

var options = {
    hostname: '127.0.0.1',
    port: ,
    path: '/pay/pay_callback?' + content,
    method: 'GET'
};  

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);
});  

req.end();  

post:

var http = require('http');  

var qs = require('querystring');  

var post_data = {
    a: ,
    time: new Date().getTime()};//这是需要提交的数据  

var content = qs.stringify(post_data);  

var options = {
    hostname: '127.0.0.1',
    port: ,
    path: '/pay/pay_callback',
    method: 'POST',
    headers: {
        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
    }
};  

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(content);  

req.end();