UI基础 - UILabel

//根据文字获取size

- (CGSize)getSizeWithstring:(NSString *)string

{

CGSize maxSize = CGSizeMake(320, 320);

NSDictionary *dict = @{NSFontAttributeName : [UIFont systemFontOfSize:11.0]};

CGSize size = [string boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesFontLeading attributes:dict context:nil].size;

return size;

}