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Watch to monitor

2022-08-11 03:26:00 【xx820702】

 data() {
    return {
      cur: 1,
defaultProps: {
        label: "name",
        children: "children",
        template: "isok",
      },
}
}，

 watch:{
     cur:{
      handler(newValue, oldValue){
      console.log(newValue);
      if (newValue === 3) {
         this.defaultProps.label= "deptName"
      }else{
        this.defaultProps.label= "name"
      }
    },
     }
  },

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https://yzsam.com/2022/223/202208110308420707.html