R 更改helpText()中的字体和颜色
如何在闪亮的应用程序中更改helpText()的字体和颜色R 更改helpText()中的字体和颜色,r,shiny,R,Shiny,如何在闪亮的应用程序中更改helpText()的字体和颜色 library(shiny) library(shinydashboard) library(shinydashboardPlus) shinyApp( ui = dashboardPagePlus( header = dashboardHeaderPlus( left_menu = tagList( helpText( a(target="_blank","Login",href="http
library(shiny)
library(shinydashboard)
library(shinydashboardPlus)
shinyApp(
ui = dashboardPagePlus(
header = dashboardHeaderPlus(
left_menu = tagList(
helpText( a(target="_blank","Login",href="https://www.youtube.com/")
)
)
),
sidebar = dashboardSidebar(),
body = dashboardBody(),
),
server = function(input, output) { }
)
您可以修改元素的css类。css选择器是
。帮助阻止一个:
(.NAME
用于选择名为NAME的类,a
用于选择带有标记名a的子元素)
可复制示例:
library(shiny)
library(shinydashboard)
library(shinydashboardPlus)
shinyApp(
ui = dashboardPagePlus(
tags$head(
tags$style(HTML(".help-block a {color: #ff0000 !important;}"))
),
header = dashboardHeaderPlus(
left_menu = tagList(
helpText( a(target="_blank","Login",href="https://www.youtube.com/")
)
)
),
sidebar = dashboardSidebar(),
body = dashboardBody(),
),
server = function(input, output) { }
)
您可以修改元素的css类。css选择器是。帮助阻止一个:
(.NAME
用于选择名为NAME的类,a
用于选择带有标记名a的子元素)
可复制示例:
library(shiny)
library(shinydashboard)
library(shinydashboardPlus)
shinyApp(
ui = dashboardPagePlus(
tags$head(
tags$style(HTML(".help-block a {color: #ff0000 !important;}"))
),
header = dashboardHeaderPlus(
left_menu = tagList(
helpText( a(target="_blank","Login",href="https://www.youtube.com/")
)
)
),
sidebar = dashboardSidebar(),
body = dashboardBody(),
),
server = function(input, output) { }
)