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数组有多个xy值，增删查改怎么用
@PF橘子66 有点不是很理解你的需求，二维数组的操作跟一维的是类似的，只不过多了一个方向（相当于从数轴到表格），任何操作都需要指定x和y坐标。参考官方教程： https://www.evkworld.net/learn/230
