小编use*_*533的帖子

我只是想问为什么我的"IF"声明现在不能正常工作,早些时候工作正常,我刚刚为iPad制作了一个版本,然后它再也无法工作了.这是我的if语句.

- (void)textFieldDidChanges{

    if ([self.feet1.text isEqualToString:@"0"])
        self.feet1.backgroundColor = [UIColor grayColor];


    if([self.feet2.text isEqualToString:@"0"])
        self.feet2.backgroundColor = [UIColor grayColor];

    if([self.feet3.text isEqualToString:@"0"])
        self.feet3.backgroundColor = [UIColor grayColor];

    if([self.feet4.text isEqualToString:@"0"])
        self.feet4.backgroundColor = [UIColor grayColor];

    if([self.feet5.text isEqualToString:@"0"])
        self.feet5.backgroundColor = [UIColor grayColor];

    if([self.feet6.text isEqualToString:@"0"])
        self.feet6.backgroundColor = [UIColor grayColor];

    if([self.feet7.text isEqualToString:@"0"])
        self.feet7.backgroundColor = [UIColor grayColor];

    if([self.feet8.text isEqualToString:@"0"])
        self.feet8.backgroundColor = [UIColor grayColor];

    if([self.feet9.text isEqualToString:@"0"])
        self.feet9.backgroundColor = [UIColor grayColor];

    if([self.feet10.text isEqualToString:@"0"])
        self.feet10.backgroundColor = [UIColor grayColor];

    if([self.feet11.text isEqualToString:@"0"])
        self.feet11.backgroundColor = [UIColor grayColor];

    if([self.feet12.text isEqualToString:@"0"])
        self.feet12.backgroundColor = [UIColor grayColor];

    if([self.feet13.text isEqualToString:@"0"])
        self.feet13.backgroundColor = …