如何解决创建仪表板时，出现“tagAssert(body, type = "div", class = "content-wrapper") 中的错误：缺少参数“body”，没有默认值”
我正在学习使用 Shiny 仪表板创建仪表板。我收到上述错误。 我的代码如下：
library(shinydashboard)
library(shiny)
ui <- dashboardPage(
dashboardHeader( title="Minh a,try your best to be yourself"),dashboardSidebar(
sidebarMenu(
menuItem(text="i can do it",tabName='i can do it',icon('alicorn')),menuItem("this is what I can do",tabName = 'list',icon = icon('list'))
),dashboardBody(
tabItems(
tabItem(tabName = 'i can do it'),tabItem(tabName='data',dataTableOutput('mydatatable'))
)
)
)
)
serve <- function (input,output){
output$mydatatable <- renderDataTable({msci})
}
shinyApp(ui,serve)
解决方法
在启动dashboardSidebar之前，您需要关闭dashboardBody函数。试试这个：
library(shinydashboard)
library(shiny)
ui <- dashboardPage(
dashboardHeader( title="Minh a,try your best to be yourself"),dashboardSidebar(
sidebarMenu(
menuItem(text="i can do it",tabName='i can do it',icon('alicorn')),menuItem("this is what I can do",tabName = 'list',icon = icon('list'))
)),dashboardBody(
tabItems(
tabItem(tabName = 'i can do it'),tabItem(tabName='data',dataTableOutput('mydatatable'))
)
)
)
server <- function (input,output){
output$mydatatable <- renderDataTable({msci})
}
shinyApp(ui,server)
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