按位与或取反（|&~）在项目中的运用
2017-11-22 本文已影响0人
MisYing
- (KKUserInfoShowMask)getUserInfoShowMaskWithIndexpath:(NSIndexPath *)indexPath andSwitchOn:(BOOL)isOn {
NSString *title = self.sectionDatas[indexPath.section][indexPath.row];
KKUserInfoShowMask mask;
if ([title isEqualToString:KKLocalized(@"kPhone")]) {
mask = KKUserInfoShowMaskMobile;
} else if ([title isEqualToString:KKLocalized(@"kTel")]) {
mask = KKUserInfoShowMaskTel;
}else if ([title isEqualToString:KKLocalized(@"kPosition")]) {
mask = KKUserInfoShowMaskPost;
} else if ([title isEqualToString:KKLocalized(@"kEMail")]) {
mask = KKUserInfoShowMaskEmail;
} else if ([title isEqualToString:KKLocalized(@"kAddress")]) {
mask = KKUserInfoShowMaskAddr;
} else if ([title isEqualToString:KKLocalized(@"kJobNumber")]) {
mask = KKUserInfoShowMaskStaffId;
} else {
mask = KKUserInfoShowMaskNone;
}
//当开启该位时 按位或
//当关闭该位时，先按位取反，再按位与
if (isOn) {
return (self.userInfo.showMask | mask);
} else {
return self.userInfo.showMask & (~mask);
}
}
