canUse method
Implementation
bool canUse(int type) {
bool _canUse = true;
if (bank == null || alipay == null || usdt == null) {
return _canUse;
}
if (type == 0) {
_canUse = bank!.useOrNot == 1;
} else if (type == 1) {
_canUse = alipay!.useOrNot == 1;
} else if (type == 2) {
_canUse = usdt!.useOrNot == 1;
}
return _canUse;
}