# Grails 1.1 安全性 - 标准的编解码器 - SHA256Codec

**URL:** <https://www.isharkfly.com/t/grails-1-1-sha256codec/1869>\
**Category:** 程序语言\
**Created:** [November 11, 2012, 3:54am UTC](https://www.isharkfly.com/t/grails-1-1-sha256codec/1869 "2012-11-11T03:54:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![honeymoose](https://www.isharkfly.com/user_avatar/www.isharkfly.com/honeymoose/32/20796_2.png) [@honeymoose](https://www.isharkfly.com/u/honeymoose)\
**Post date:** [November 11, 2012, 3:54am UTC](https://www.isharkfly.com/t/grails-1-1-sha256codec/1869/1 "2012-11-11T03:54:20Z")

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SHA256Codec使用SHA256算法摘要字节数组，数字数列或默认系统编码的字符串字节数组，得到一格小写十六进制字符串，使用例子如下：`Your API Key: ${user.uniqueID.encodeAsSHA256()}`