不要隨便修改你的全局變量

原創 a_sungirl 2020-06-17 09:36

爲了全局的數據使用,我們會定義很多的全局變量,但是我們不要隨便的修改,這是很危險的,今天就出現了一個問題,就是修改了全局變量,導致結果錯誤,一直沒發現.

1.全局變量用的時候要判斷,是否還是原來的數據.

2.要不就是把全局變量轉化到局部變量在進行修改使用.


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