iOS UILabel自定义宽高

自定义高度
-(CGFloat)getHeightByWidth:(CGFloat)width title:(NSString *)title font:(UIFont *)font{
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, width, 0)];
label.text = title;
label.font = font;
label.numberOfLines = 0;
[label sizeToFit];
CGFloat height = label.frame.size.height;
return height;
}

自定义宽度
-(CGFloat)getWidthWithTitle:(NSString *)title font:(UIFont *)font {
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 1000, 0)];
label.text = title;
label.font = font;
[label sizeToFit];
return label.frame.size.width;
}