父组件

template

<MButton  v-on:click="submitItems" v-bind:disabled=subDisabled/>

script

 data() {
      return {
        subDisabled: true, // 传入子组件的boolean值
    }
 }

子组件
template

   <button :disabled=disabled v-on:click="onClick|disabled">  submit </button>

script

 props: {
      disabled: {
        type: Boolean,
        default: false,
      }, // 按钮是否可用
    },