寬

-?(CGFloat)calculateRowWidth(NSString?*)string {??

NSDictionary?*dic?=?@{NSFontAttributeName:[UIFont?systemFontOfSize:17]};??

CGRect?rect?=?[string?boundingRectWithSize:CGSizeMake(0,?30)/*計(jì)算寬度時(shí)要確定高度*/?options:NSStringDrawingUsesLineFragmentOrigin?|??

NSStringDrawingUsesFontLeading?attributes:dic?context:nil];??

return?rect.size.width;??

}??

高

-?(CGFloat)calculateRowHeight:(NSString?*)string?fontSize:(NSInteger)fontSize

{??

NSDictionary?*dic?=?@{NSFontAttributeName:[UIFont?systemFontOfSize:fontSize]}

CGRect?rect?=?[string?boundingRectWithSize:CGSizeMake(self.view.width?-?30,?0)/*計(jì)算高度要先指定寬度*/?options:NSStringDrawingUsesLineFragmentOrigin?|??

NSStringDrawingUsesFontLeading?attributes:dic?context:nil];??

return?rect.size.height;??

}??