iOS7新出了一个boudingRectWithSize:options:attributes:context方法 计算文本尺寸:
NSString* desc = @"想过string";
NSDictionary *attribute = @{NSFontAttributeName: [UIFont systemFontOfSize:13]};// 文字的大小
CGSize size = [desc boundingRectWithSize:CGSizeMake(100, 0)
options: NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineFragmentOrigin |
NSStringDrawingUsesFontLeading
attributes:attribute context:nil].size;
得出size的宽高
时间: 2024-08-06 03:40:16