Create a download button or link — downloadButton
v1.7.5|Source:
R/bootstrap.R
Description
Use these functions to create a download button or link; when clicked, it
will initiate a browser download. The filename and contents are specified by
the corresponding downloadHandler()
defined in the server
function.
Arguments
- outputId
The name of the output slot that the
downloadHandler
is assigned to.- label
The label that should appear on the button.
- class
Additional CSS classes to apply to the tag, if any.
- ...
Other arguments to pass to the container tag function.
- icon
An
icon()
to appear on the button. Default isicon("download")
.
See also
Examples
if (FALSE) {
ui <- fluidPage(
p("Choose a dataset to download."),
selectInput("dataset", "Dataset", choices = c("mtcars", "airquality")),
downloadButton("downloadData", "Download")
)
server <- function(input, output) {
# The requested dataset
data <- reactive({
get(input$dataset)
})
output$downloadData <- downloadHandler(
filename = function() {
# Use the selected dataset as the suggested file name
paste0(input$dataset, ".csv")
},
content = function(file) {
# Write the dataset to the `file` that will be downloaded
write.csv(data(), file)
}
)
}
shinyApp(ui, server)
}