什么是http多部分请求？ [英] What is http multipart request?
问题描述
我已经写了一段时间的iPhone应用程序，将数据发送到服务器，接收数据（通过HTTP协议），而不用考虑太多。大多数情况下，我理论上熟悉流程，但我不太熟悉的部分是HTTP多部分请求。我知道它的基本结构，但它的核心是我。
I have been writing iPhone applications for some time now, sending data to server, receiving data (via HTTP protocol), without thinking too much about it. Mostly I am theoretically familiar with process, but the part I am not so familiar is HTTP multipart request. I know its basic structure, but the core of it eludes me.
似乎无论何时我发送的东西都不同于纯文本（如照片，音乐），我有使用多部分请求。有人可以简单地向我解释为什么使用它以及它的优点是什么？
It seems that whenever I am sending something different than plain text (like photos, music), I have to use a multipart request. Can someone briefly explain to me why it is used and what are its advantages?
如果我使用它，为什么以这种方式发送照片的方式更好？
If I use it, why is it better way to send photos that way?
推荐答案
HTTP多部分请求是HTTP客户端构造的HTTP请求，用于将文件和数据发送到HTTP服务器。浏览器和HTTP客户端通常使用它将文件上载到服务器。
A HTTP multipart request is a HTTP request that HTTP clients construct to send files and data over to a HTTP Server. It is commonly used by browsers and HTTP clients to upload files to the server.
- What it looks like
- See Multipart Content-Type
- See multipart/form-data
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