if(fen<2000){
shop*=0.9;
System.out.println("消费"+":"+shop+"元");
else if(fen>=2000&&fen<4000)
{shop*=0.8;
System.out.println("消费"+":"+shop+"元");
else if(fen<8000&&fen>=4000)
{shop*=0.75;
System.out.println("消费"+":"+shop+"元");
else if(fen>=8000)
{shop*=0.7;
System.out.println("消费"+":"+shop+"元");
net dom romve%computername%/domain:domain/UserD:user/PasswordD/password
???