r 尝试使用R和Javascript等

Posted 2021-05-23

runApp(list(
  ui = shinyUI(bootstrapPage(
    
    tags$div(class = "inliner", style = "display:inline;",
             textInput("test_text", label = "test for keys"),
             textInput("test2", label = "second test")
             )
    ,
    verbatimTextOutput("results"),
    
    tags$script('
                $(document.getElementById("test_text")).on("keydown", function (e) {
                Shiny.onInputChange("mydata", e.which);
                });
                ')
    )),
  server = shinyServer(function(input, output, session) {
    
    output$results = renderPrint({
      input$mydata
    })
    
  })
))