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第167题(2020-03-06)：nodejs从接收到请求到返回给页面经历了什么？ #169

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qappleh opened this issue Mar 6, 2020 · 1 comment
Open

第167题(2020-03-06)：nodejs从接收到请求到返回给页面经历了什么？ #169

qappleh opened this issue Mar 6, 2020 · 1 comment
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@qappleh
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qappleh commented Mar 6, 2020

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@QDHello
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QDHello commented Mar 9, 2020

①浏览器输入网址
②浏览器通过用户在地址栏中输入的URL构建HTTP请求报文
③浏览器发送ＤＮＳ解析请求，将域名解析成对应的ＩＰ地址
④浏览器将报文发送给服务器
⑤服务器接受并解析请求报文，
⑥服务器处理用户请求，并将处理结果封装成ＨＴＴＰ响应报文
⑦服务器将ＨＴＴＰ响应报文返回给浏览器
⑧浏览器接收响应报文并解析
⑨浏览器解析ＨＴＭＬ页面并展示，在解析时遇到新的资源将再次发起请求
⑩最终生成了一个完整页面

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