IOS . -转载-10行代码搞定九宫格

    //每个Item宽高

    CGFloat W = ;

    CGFloat H = ;

    //每行列数

    NSInteger rank = ;

    //每列间距

    CGFloat rankMargin = (self.view.frame.size.width - rank * W) / (rank - );

    //每行间距

    CGFloat rowMargin = ;

    //Item索引 ->根据需求改变索引

    NSUInteger index = ;

    for (int i =  ; i< index; i++) {

        //Item X轴

        CGFloat X = (i % rank) * (W + rankMargin);

        //Item Y轴

        NSUInteger Y = (i / rank) * (H +rowMargin);

        //Item top

        CGFloat top = ;

        UIView *speedView = [[UIView alloc] init];

        speedView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"taozi"]];

        speedView.frame = CGRectMake(X, Y+top, W, H);

        [self.view addSubview:speedView];

    }