vue有时间了解内容

版权声明: https://blog.csdn.net/weixin_41826907/article/details/79764893

了解下next()的原理

beforeRouteEnter(to, from, next){
      next(vm=>{
        console.log(vm.testData)
        vm..$store.dispatch('xxx','data yyy')
      })
  }

了解下router.app

// vue-router 里面可以通过 router.app 引用根组件
router.beforeEach(transition => {
    if(router.app.userId) {
      transition.next();
    } else {
      router.app.getUserId().then(() => {
        transition.next();
      });
    }
  });

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转载自blog.csdn.net/weixin_41826907/article/details/79764893