标签： flutter navigator flutter-showmodalbottomsheet
如何在导航器堆栈中删除showModalBottomSheet 1？
current stack => next I want
|对话| | showModalBottomSheet 2 | | showModalBottomSheet 1 | |对话| |屏幕2 | |屏幕2 | |屏幕1 | |屏幕1 |
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