vue 笔记（持续更新）

1.在组件里怎么样可以不赋值默认值

export default class ChatGroup extends Vue {
  @Prop()
  private source!: GroupInfo[]  //可以替代   private source: GroupInfo[]=[] as GroupInfo[]

  mounted() {}
}

转载于:https://www.jianshu.com/p/695893fd8be0