UITextField
UIColor*color = [UIColor colorWithWhite:1 alpha:0.8];
self.phoneNumT.attributedPlaceholder = [[NSAttributedString alloc]initWithString:@"手机号"attributes:@{NSForegroundColorAttributeName: color}];
UITextField
UIColor*color = [UIColor colorWithWhite:1 alpha:0.8];
self.phoneNumT.attributedPlaceholder = [[NSAttributedString alloc]initWithString:@"手机号"attributes:@{NSForegroundColorAttributeName: color}];