深度监听 数组深度监听 watch

监听对象中某一项的值_Vue中watch的详细用法_asta谢的博客-CSDN博客

 watch: {
    firstStepReturnData: {
      handler() {
        if (this.firstStepReturnData) {
          this.createForm.enterpriseName =
            this.firstStepReturnData.enterpriseName
        }
      },
      immediate: true,
      deep: true
    },
}

watch: {
    yearsList: {
      handler() {
        this.handleData();
      },
      immediate: true,
      deep: true,
    },
  },