Node.js 访问https网站
源码：
//====================================================
// 访问https://www.zhihu.com/得到pagecode
// 2017年11月6日
//====================================================
// 内置https模块，提供了https服务器和客户端功能
var https=require("https");
// cheerio模块，提供了类似jQuery的功能
var cheerio = require("cheerio");
// 内置文件处理模块
var fs=require('fs');
// 请求参数JSON
var options;
// request请求
var req;
//--------------------------------------
// 程序入口
//--------------------------------------
function start(){
// 初始化options
options={
hostname:'www.zhihu.com',
port:443,
path:'/',// 子路径
method:'GET',
agent:false,
};
req=https.request(options,function(resp){
resp.setEncoding('utf8');
var body="";
resp.on('data',function(chunk){
body+=chunk;
});
resp.on('end',function(){
var $ = cheerio.load(body);
console.log(body);
});
});
// 超时处理
req.setTimeout(5000,function(){
req.abort();
});
// 出错处理
req.on('error',function(err){
if(err.code=="ECONNRESET"){
console.log('socket端口连接超时。');
}else{
console.log('请求发生错误，err.code:'+err.code);
}
});
// 请求结束
req.end();
}
// 调用start函数，程序开始
start();
得到的body数据：
<!DOCTYPE html>
<html lang="zh-CN" class="">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<meta http-equiv="X-ZA-Response-Id" content="110f3b166e9849aa">
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<meta name="renderer" content="webkit" />
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<![endif]-->
<script src="https://static.zhihu.com/static/revved/-/js/instant.14757a4a.js"></script>
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<form class="zu-side-login-box" action="/register/email" id="sign-form-1" autocomplete="off" method="POST">
<input type="password" hidden>
<input type="hidden" name="_xsrf" value="c8581655229e04f445154e91134bc9c7"/>
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<input required type="text" name="fullname" aria-label="姓名" placeholder="姓名">
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