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我试图通过“区域”隐藏来做到这一点,但不起作用。我需要在计时器上用另一个相同大小的图像替换一个图像。图像应由相同的矩形部分替换为以下泄漏。第一个遇到困难且无法找到答案的问题,如何将图像分成可以不可见的矩形?或者提示更简单的方法。
I guess you are looking for CSS' clip property