代码 

<template>  <div>  <button @click="enableButtons">按钮1</button>  <button :disabled="!isButton2Enabled"   @click="ann">按钮2</button>  <button :disabled="!isButton3Enabled"   @click="ann">按钮3</button>  </div>  
</template>  <script>  
export default {  data() {  return {  isButton2Enabled: false,  isButton3Enabled: false,  };  },  methods: {  enableButtons() {  this.isButton2Enabled = true;  this.isButton3Enabled = true;  },  ann(){console.log('shuchua')}},  
};  
</script>  

展示