一.OC
-(int)getWithFromStr:(NSString*)str font:(float)font {
NSDictionary *attribute = @{NSFontAttributeName: self.titleLabel.font};
CGSize retSize = [str boundingRectWithSize:CGSizeMake(MAXFLOAT, 20)
options:\
NSStringDrawingTruncatesLastVisibleLine |
NSStringDrawingUsesLineFragmentOrigin |
NSStringDrawingUsesFontLeading
attributes:attribute
context:nil].size;
return retSize.width;
}
一.Swift
let title = "这里是一个好地方"
let titleFont = 16.0
let titleSize = title.size(attributes: [NSFontAttributeName: titleFont])
