小编She*_*hen的帖子

renderImage尝试从 Internet 渲染图像时不起作用。当图像在本地机器上时它起作用。

  output$myImage <- renderImage({
    pfad <- "https://www.rstudio.com/wp-content/uploads/2014/03/blue-125.png"
    list(src = pfad,
         contentType = 'image/png',
         width = 400,
         height = 300,
         alt = "This is alternate text")
  }, deleteFile = F)


imageOutput("myImage")

我正在尝试使用rCharts从Highcharts in Shiny制作活动量表.请帮忙.

#server.R
library(shiny)
library(rCharts)

shinyServer(function(input, output) {
  output$chart <- renderChart({
    a <- Highcharts$new()
    a$series(data = 50, type = "solidgauge")
    a$addParams(dom = "chart")
    return(a)
    })
})
#ui.R
library(shiny)
library(rCharts)

shinyUI(bootstrapPage(
  chartOutput("chart", "highcharts")

))