移动业务充值功能,方便用户自动登录到系统中进行充值-Mobile top-up function, convenient for the user automatically log in to recharge the system

测试学习C#，请输入你的充值卡卡号、充值卡密码和要充值的手机号码的流程演示。-Test for learning C#, please enter your recharge card number, prepaid card password and mobile phone number to recharge process demonstration.