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2019-07-10:请简述一次http网络请求的过程? #94
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1.建立TCP连接 |
首先通过dns域名解析找到对应的地址 |
浏览器发起请求-> 解析域名得到ip进行TCP连接 ->浏览器发送HTTP请求和头信息发送->服务器对浏览器进行应答,响应头信息和浏览器所需的内容-> 关闭TCP连接或保持-> 浏览器得到数据数据进行操作 |
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浏览器: ⼿机 App: |
1.dns解析,域名对应 ip |
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这个看OKHTTP的EventListerner就知道了。这里总结一张okhttp的回调表格。详细的需要自己阅读源码注释哦
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以加载网页为例: |
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