# Functions
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Ceil 进一法.
Date 获取日期字符串的当地Unix时间戳 layout s的时间格式.
Floor 舍弃法.
UUID 获取uuid.
LimitOffset 用于获取sql分页的limit和offset.
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MD5 字符串md5加密.
MobileEncode 手机号加星星, 显示前3位开头和4位尾号.
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ParseTimeByUUID 根据uuid, 获取生成该uuid的时间.
Random 随机生成指定范围的数.
RandomNumber 随机生成一个数.
RandomStr 随机指定长度的字符串,不含大写.
RandomString 生成随机字符串.
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Round 四舍五入 decimals 精确到几位小数.
RSA RSA签名.
RSACheck RSA验签.
SHA256 加密.
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WithContext sets ctx to lang, for keeping tracing information.
# Constants
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# Structs
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# Interfaces
A Lang represents a lang.
# Type aliases
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