银行账户存取款业务系统，可实现开户销户以及存取款功能，分信用卡和储蓄卡两种，有统计总账户数、总余额、总透支数等功能-Business bank account deposit and withdrawal system, enabling users to open an account and deposit and withdrawal functions eliminated, two kinds of credit cards and debit cards, there are statistics the total number of accounts, total balance, the total number of features such as overdraft