app.js程式碼：
// 內建http模組，提供了http伺服器和客戶端功能 var http=require("http"); // 內建檔案處理模組 var fs=require('fs'); // 建立一個將流資料寫入檔案的WriteStream物件 var outstream=fs.createWriteStream('./retval.html'); // 請求引數JSON var options={ hostname:'www.cnblogs.com',// 這裡別加http://，否則會出現ENOTFOUND錯誤 port:80, path:'/xiandedanteng',// 子路徑 method:'GET', }; // 請求並獲得資料 var req=http.request(options,function(resp){ console.log('狀態碼resp.statusCode='+resp.statusCode); console.log('響應頭resp.headers='+JSON.stringify(resp.headers)); resp.setEncoding('utf8'); resp.on('data',function(chunk){ console.log('響應內容:'+chunk); outstream.write(chunk,'utf8'); console.log('檔案寫入完畢。'); }); }); // 超時處理 req.setTimeout(5000,function(){ req.abort(); }); // 出錯處理 req.on('error',function(err){ if(err.code=="ECONNRESET"){ console.log('socket埠連線超時。'); }else{ console.log('請求發生錯誤，err.code:'+err.code); } }); // 請求結束 req.end();
獲得的資料檔案如下：
<!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="utf-8"/> <meta name="viewport" content="width=device-width, initial-scale=1" /> <title>逆火狂飆 - 部落格園</title> <link type="text/css" rel="stylesheet" href="/bundles/blog-common.css?v=-wBWg2jMfLNV0-ScpDNxGkoH_gCbdW1yTVJLHzPL7HE1"/> <link id="MainCss" type="text/css" rel="stylesheet" href="/skins/SimpleBlue/bundle-SimpleBlue.css?v=jJERBFSojhmgst84aaRDal9S3q1WoO-WcNudmMzGJS81"/> <link id="mobile-style" media="only screen and (max-width: 768px)" type="text/css" rel="stylesheet" href="/skins/SimpleBlue/bundle-SimpleBlue-mobile.css?v=z0BacpCfWeLlXDCM0C158kTP_DMqMbGBapID4f-QztI1"/> <link title="RSS" type="application/rss+xml" rel="alternate" href="http://www.cnblogs.com/xiandedanteng/rss"/> <link title="RSD" type="application/rsd+xml" rel="EditURI" href="http://www.cnblogs.com/xiandedanteng/rsd.xml"/> <link type="application/wlwmanifest+xml" rel="wlwmanifest" href="http://www.cnblogs.com/xiandedanteng/wlwmanifest.xml"/> <script src="//common.cnblogs.com/script/jquery.js" type="text/javascript"></script> <script type="text/javascript">var currentBlogApp = 'xiandedanteng', cb_enable_mathjax=false;var isLogined=false;</script> <script src="/bundles/blog-common.js?v=zLAewHCaOmEYGOn3iyM1yprOSNEWA2FkU2TsbgxrSSg1" type="text/javascript"></script> </head> <body> <a name="top"></a> <div id="home"> <div id="header"> <div id="blogTitle"> <!--done--> <div class="title"><a id="Header1_HeaderTitle" class="headermaintitle" href="http://www.cnblogs.com/xiandedanteng/">More Powerful</a></div> <div class="subtitle">野生四張屌絲半調子curl程式設計師的逆襲</div> </div><!--end: blogTitle 部落格的標題和副標題 --> <div id="navigator"> <ul id="navList"> <li id="nav_sitehome"></li> <li id="nav_myhome"><a id="blog_nav_myhome" class="menu" href="http://www.cnblogs.com/xiandedanteng/">首頁</a></li> <li id="nav_newpost"><a id="blog_nav_newpost" class="menu" rel="nofollow" href="https://i.cnblogs.com/EditPosts.aspx?opt=1">新隨筆</a></li> <li id="nav_contact"><a 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