cell的自适应

+(CGFloat)getCellHeightWithItem:(FXOwnershipStrutureInfo *)item

{

    

    if (item.rowH) {//如有rowH就直接返回,避免重新计算

        return item.rowH;

    }

    //计算cell的行高的关键变高控件的高度

 

    NSMutableParagraphStyle *style =  [[NSParagraphStyle defaultParagraphStyle] mutableCopy];

    style.lineSpacing = 6;

 

    CGRect sizeH = [item.memo boundingRectWithSize:CGSizeMake(ScreenWidth - 105, 0) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15],NSParagraphStyleAttributeName : style} context:nil];

 

 

    //返回高度,并缓存rowH

    return item.rowH = 15 + 20 + 10 + 20 + 10  + sizeH.size.height + 15 + 16 ;

    

}

// 赋值

－ （void）addtext

｛

       _showContentLb.frame = CGRectMake(15, _grayLable.bottom+15, ScreenWidth-30, 0);

        _showContentLb.numberOfLines = 0;

        NSMutableAttributedString * attributedString1 = [[NSMutableAttributedString alloc] initWithString:self.item.content];

        NSMutableParagraphStyle * paragraphStyle1 = [[NSMutableParagraphStyle alloc] init];

        [paragraphStyle1 setLineSpacing:6];// 行间距

        [attributedString1 addAttribute:NSParagraphStyleAttributeName value:paragraphStyle1 range:NSMakeRange(0, [self.item.content length])];

        [ _showContentLb setAttributedText:attributedString1];／／赋值

        [ _showContentLb sizeToFit];

｝