1.html

@submit.native.prevent 阻止默認(rèn)提交，添加在form標(biāo)簽上
@keyup.native.enter 回車操作，添加在input標(biāo)簽上

2.render

      render:(h)=>{
          const self=this
          return h('form',{
            nativeOn: {
              submit: (e) => {
                e.preventDefault();
              }
            }
          })
        },