ant-design-vue/components/modal/demo/async.md

#### 异步关闭 点击确定后异步关闭对话框，例如提交表单。 #### Asynchronously close Asynchronously close a modal dialog when a user clicked OK button, for example, you can use this pattern when you submit a form.

<template>
  <div>
    <a-button type="primary" @click="showModal">Open Modal with async logic</a-button>
    <a-modal
      title="Title"
      :visible="visible"
      @ok="handleOk"
      :confirmLoading="confirmLoading"
      @cancel="handleCancel"
    >
      <p>{{ModalText}}</p>
    </a-modal>
  </div>
</template>
<script>
  export default {
    data() {
      return {
        ModalText: 'Content of the modal',
        visible: false,
        confirmLoading: false,
      };
    },
    methods: {
      showModal() {
        this.visible = true;
      },
      handleOk(e) {
        this.ModalText = 'The modal will be closed after two seconds';
        this.confirmLoading = true;
        setTimeout(() => {
          this.visible = false;
          this.confirmLoading = false;
        }, 2000);
      },
      handleCancel(e) {
        console.log('Clicked cancel button');
        this.visible = false;
      },
    },
  };
</script>