10
比方說,我有一個現有的zip文件(out.zip
)在我閃亮的應用程序(即位於服務器上)。我希望讓用戶能夠下載此文件。這個問題與this one非常相似。然而,這個問題在downloadHandler
內壓縮文件,而我的情況下zip文件已經存在。R Shiny:下載現有文件
library(shiny)
app <- list(
ui = fluidPage(
titlePanel(""),
sidebarLayout(
sidebarPanel(
downloadButton("downloadData", label = "Download")
),
mainPanel(h6("Sample download", align = "center"))
)
),
server = function(input, output) {
output$downloadData <- downloadHandler(
filename <- function() {
paste("output", "zip", sep=".")
},
content <- function(file) {
# not sure what to put here???
},
contentType = "application/zip"
)
}
)
shiny::runApp(app)