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flutter路由列表获取

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flutter路由列表获取

a页面=>b页面=>c页面=>d页面，如何获取路由列表[a,b,c,d],
运营在d页面后台配了个链接跳转到b，我需要判断b是否在上级路由列表中，应该如何操作。


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by (71.8m points)

注册路由observer内部维护一个路由表，不知道系统有没提供 如果没有就用上面说的方式做


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