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我有,多在像地区,省和学校我闪亮的UI输入。多级闪亮输入
library(data.table) selectInput("Region","Region",c("GOLFE","MARITIME","KARA","SAVANES")) selectInput("Province","Province", as.character(sort(unique(dt[,Region])))) selectInput("School","School",as.character(sort(unique(dt[,Province]))))
我该如何做与地区 - >省 - >学校的联系。 谢谢