九宫格(根据多少行多少列排版)

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- (void)layoutSubviews{

    [super layoutSubviews];

    NSUInteger count = self.subviews.count;

    NSInteger maxC = 3;

    CGFloat childViewWH = (SCREENW - 2 * MARGIN) / maxC;

    for (int i = 0; i < count; i++) {

        // 拿到子控件调整位置

        UIView *view = self.subviews[i];

        view.size = CGSizeMake(childViewWH, childViewWH);

        // 求出其在第几行第几列

        NSInteger col = i % maxC;

        NSInteger row = i / maxC;

        if (view.x == 0 && view.y == 0) {

            view.x = col * (childViewWH + MARGIN);

            view.y = row * (childViewWH + MARGIN);

        }else{

            [UIView animateWithDuration:0.25 animations:^{

                view.x = col * (childViewWH + MARGIN);

                view.y = row * (childViewWH + MARGIN);

            }];

        }

    }

}

九宫格(根据多少行多少列排版)

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原文地址：http://www.cnblogs.com/supersr/p/4893362.html