不要随便修改你的全局变量

原創 a_sungirl 2020-06-17 09:36

为了全局的数据使用,我们会定义很多的全局变量,但是我们不要随便的修改,这是很危险的,今天就出现了一个问题,就是修改了全局变量,导致结果错误,一直没发现.

1.全局变量用的时候要判断,是否还是原来的数据.

2.要不就是把全局变量转化到局部变量在进行修改使用.


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