如何在 Shiny DT 数据表中预 select 行

How to pre-select rows in Shiny DT datatables

我在此 Shiny datatable 中将 Shiny (0.12.0) 与 DT (0.0.65) 用于行-select离子。我想预 select 前 5 行。我试过:

callback JS:

output$x1 = DT::renderDataTable({
    datatable(cars,
        rows = $("#x1 tbody tr");
        $(rows).slice(0,5).each(function() {
            $(this).click();
        });
    )
})

此功能已添加到 DT (>= 0.1.3)。示例:

library(shiny)
if (packageVersion('DT') < '0.1.3') devtools::install_github('rstudio/DT')
library(DT)
shinyApp(
  ui = fluidPage(
    fluidRow(
      h1('Client-side processing'),
      DT::dataTableOutput('x1'),
      h1('Server-side processing'),
      DT::dataTableOutput('x2')
    )
  ),
  server = function(input, output, session) {
    output$x1 = DT::renderDataTable(
      iris, server = FALSE,
      selection = list(mode = 'multiple', selected = c(1, 3, 8, 12))
    )
    output$x2 = DT::renderDataTable(
      iris, server = TRUE,
      selection = list(mode = 'multiple', selected = rownames(iris)[c(1, 3, 8, 12)])
    )
  }
)