Introduction - If you have any usage issues, please Google them yourself
Virginia algorithm using encryption/*** Cipher Virginia (BigDecimal), encryption/decryption processing is still BigDecimal type, sign and decimal point do not deal with** @ param str* the source of BigDecimal* @ param key* key, should be the string consisting of numeric characters* @ param mode* mode (encryption or decryption)* @ return add/decryption after BigDecimal