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select lengthb('1397256'), dump('1397256') from dual; select ascii('') from dual; select replace('13', chr(43700), '') from dual; 阅读全文
posted @ 2017-06-07 19:12
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摘要:
md5 DES加密 DES解密 阅读全文
posted @ 2017-06-07 11:48
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