个回答

• 慕数据9952840

  2018-09-06 15:46:01

  
  

  import React from 'react'

  
  

  class Welcome extends React.Component{

      render(){

          const too = true

  
  

         return(

          <div>

               <h1>Hello React</h1>

               <p>sss</p>

                

                   {

                      too ? <p>你已经登陆</p> : <p>请登陆</p>

                   }

          </div>

          )

      }

  }

  
  

  export default Welcome

  
  

  0