POST请求中的％5B和％5D代表什么？

问题描述

我正在尝试编写一个Java类来登录某个网站。在POST请求中发送的数据是

I'm trying to write a Java class to log in to a certain website. The data sent in the POST request to log in is

用户％5Blogin％5D = uesrname& user％5Bpassword％5D = 123456

我很好奇％5B 和％5D 表示密钥用户登录。

如何对这些数据进行编码？

How do I encode these data?

推荐答案

根据的回答： str ='foo％20％5B12％5D'编码 foo [12] ：

%20 is space
%5B is '['
and %5D is ']'

这称为并用于编码url参数值中的特殊字符。

This is called percent encoding and is used in encoding special characters in the url parameter values.

编辑顺便说一下我正在阅读，我刚想到为什么这么多人进行相同的搜索。请参阅页面底部的注释：

EDIT By the way as I was reading https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURI#Description, it just occurred to me why so many people make the same search. See the note on the bottom of the page:

function fixedEncodeURI (str) {
    return encodeURI(str).replace(/%5B/g, '[').replace(/%5D/g, ']');
}

希望这可以帮助人们在遇到这个问题时理清他们的问题。

Hopefully this will help people sort out their problems when they stumble upon this question.

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