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1 像素线的标准做法，但是在 iphone xs max 上闪动，有人遇到过吗？
代码如下：
#define SINGLE_LINE_WIDTH (1 / [UIScreen mainScreen].scale) #define SINGLE_LINE_ADJUST_OFFSET ((1 / [UIScreen mainScreen].scale) / 2) UIView *cellHeadLine = [[UIView alloc] initWithFrame:CGRectMake(cell.bounds.origin.x, cell.bounds.origin.y - SINGLE_LINE_ADJUST_OFFSET, cell.bounds.size.width, SINGLE_LINE_WIDTH)]; cellHeadLine.backgroundColor = [UIColor colorGreyBorder]; [cell addSubview:cellHeadLine]; 目前尚无回复
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