Oracle

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Release: 2016-06-07 17:22:48
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在查看Apache log时,经常在url里面混杂着%3A,%2F等字符,究竟代表什么?只需通过Oracle自带函数转换下就可。

在查看Apache log时,经常在url里面混杂着%3A,%2F等字符,究竟代表什么?只需通过Oracle自带函数转换下就可。

根据16进制查字符:

select chr(to_number('2F','xx')) from dual --/

select chr(to_number('3D','xx')) from dual --=

select chr(to_number('26','xx')) from dual --&

select chr(to_number('3F','xx')) from dual --?

select chr(to_number('3A','xx')) from dual --:

根据字符查16进制:

select to_char(ascii('/'),'XX') from dual --2F

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