common

AesEncryptCBC /*.

GetWhiteList 后期从服务器获取，并缓存.

NewDeviceCode returns a 32 char alphanumeric cryptographically secure string.

NewID returns a random string which can be used as an ID for objects.

PathIsDir 判断所给路径是否为文件夹.

PathIsFile 判断所给路径是否为文件.

RequestQuery paramType: string,number queryType: eq,like.

RequestQuerySearch queryType: eq,like use 'or' to connect.

Snake2CamelString snake to camel string, xx_yy to XxYy.