2回答

• 

  qq_爱笑的眼睛_1

  2018-12-11 16:35:06

  handeButtonClick() {

      if(this.state.inputValue === '') return;

      this.setState({

            list: [...this.state.list, this.state.inputValue],

            inputValue: ''

      })

  }

  
  

  0 0
• 

  qq_无根草_0

  2018-08-20 18:19:06

  这个问题我自己解决了

  handleBtnClick(){

      if (this.state.inputValue) {

        this.setState({

          list:[...this.state.list,this.state.inputValue],

          inputValue:''

        })

      }

    }

  
  

  0 1