Gets randomly generated number within given max number
if true returns integer
Gets randomly generated number within given min and max range: [min, max]
if true returns integer
Returns a random string by special chars.
Returns a new UUID string.
生成一个新的UUID
maxlength 最大长度
2|8|16|... 进制数,比如:二进制、八进制、十六进制...
Random util class
随机数工具类