计算文本宽高
时间:2014-06-21 17:21:23
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// 计算文字的宽高
NSDictionary *attributesDic = @{NSFontAttributeName: self.labelView.font};
CGRect textRect = [text boundingRectWithSize:CGSizeMake(200, 100) options:NSStringDrawingUsesLineFragmentOriginattributes:attributesDic context:nil];
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