CGRect rect; rect = self.labelInfo.frame; //UILabel高度自适应 rect.size.height = [self.labelInfo.text boundingRectWithSize:CGSizeMake(rect.size.width , 8000)//限制最大的宽度和高度 options:NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesFontLeading
|NSStringDrawingUsesLineFragmentOrigin//采用换行模式
attributes:@{NSFontAttributeName:self.labelInfo.font}//传人的字体字典 context:nil].size.height; self.labelInfo.frame = rect;
另一种方法:
//高度自适应
CGSize maximumLabelSize = CGSizeMake(kHBDeviceFullWidth-12, 9999);//labelsize的最大值
CGSize expectSize = [_labStudyAgainContent sizeThatFits:maximumLabelSize];
_labStudyAgainContent.frame = CGRectMake(_labStudyAgainContent.frame.origin.x, _labStudyAgainContent.frame.origin.y, expectSize.width, expectSize.height);