var request = require('request');
//抓取body
request('http://xxx.com/', function (error, response, body) {
if (!error && response.statusCode == 200) {
console.log(body)
}
})
//实现head方法
request.head('http://xxx.com/', function (error, response, header) {
//console.log(error)
console.log(response)
//console.log(header)
if (!error && response.statusCode == 200) {
console.log(header)
}
})