选择POST和GET [英] Choosing between POST and GET

问题描述

可能存在重复：

GET与POST（表单处理）

我对POST和GET感兴趣。为什么我确实需要它们，它们之间有什么区别？我知道他们都从某个网址检索了一些数据，但这可能就是我所知道的。

I'm interested in POST and GET. Why do I exactly need them and what is the difference between them? I know they both retrieve some data from some url, but that's probably all I know.

推荐答案

GET纯粹用于检索。 GET的一个最重要的方面是GET永远不允许改变服务器的状态（意思是修改）。

GET is purely for retrieval. One of the most important aspects of GET is that GET is never allowed to change the state of the server (meaning: modifications).

POST允许这样做。

POST does allow that.

这个区别非常重要。所以如果你基于几个参数/过滤器等获取信息。 GET会做得很好，但只要你在服务器上修改任何东西，你必须使用POST。

This distinction is incredibly important. So if you're fetching info based on a couple of parameters/filters/etc. GET will do fine, but as soon as you're modifying anything on the server you MUST use POST.

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