NSDictionary *attribute = @{NSFontAttributeName: [UIFont systemFontOfSize:15]};
CGSize size = [label.text boundingRectWithSize:CGSizeMake(200, MAXFLOAT) options: NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading attributes:attribute context:nil].size;NSDictionary *attribute = @{NSFontAttributeN
阅读背景：
iOS8 - (CGSize)sizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size 的替代方法
来源：互联网
分享到：
