使用TCPSocket从HTML表单帖子中获取内容

StackOverflow https://stackoverflow.com/questions/6050099

  •  15-11-2019
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题

在TCPSOcket对象中反复使用“获取”方法，我收到以下输出 

POST /targetPage.html HTTP/1.1
Host: 127.0.0.1:7125
...
...
...
Keep-Alive: 115
DNT: 1
Connection: keep-alive
Referer: http://127.0.0.1:7125/
Content-Type: application/x-www-form-urlencoded
Content-Length: 45
.

如果我再次使用.gets一切挂起，我将如何获得长度45的“内容”？我可以从我的tcpsocket对象中得到它吗？我必须使用别的东西吗？

有帮助吗？

解决方案

gets reads a line, so it will block until the connection times out or it reads a newline character. You should use the read method, which reads a given number of bytes (which is very conveniently provided in the Content-Length header).

其他提示

Include the header:

Connection: close

to the header. This will prevent the hanging before actually reading the body of the request.

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