HTTP請求的生命周期的簡單描述

1. HTTP請求的生命周期

1.1 基本流程

1. # filename: socket服務端 

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2. 1. 監聽IP和服務端口(42.121.252.58,80) 

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3. while True: 

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4. 用戶 = 等待用戶鏈接 

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5. 3. 收到socket客戶端發送的數據 

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6. 4. 響應數據 

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7. 斷開鏈接 

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10. # filename: socket客戶端 

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11. 2. 瀏覽器輸入網址 www.cnblogs.com 通過DNS域名解析為IP地址及端口(42.121.252.58,80) 

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12. socket進行鏈接  

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13. sk = socket.socket((42.121.252.58,80)) 

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14. sk.connect() 

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15. 發送請求數據 

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16. sk.send('xxxxx') 

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18. 5. 接收客戶端數據 

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20. 6. 斷開鏈接 

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