ant-design-vue/components/upload/demo/picture-card.md

#### 照片墙 用户可以上传图片并在列表中显示缩略图。当上传照片数到达限制后，上传按钮消失。 #### Pictures Wall After users upload picture, the thumbnail will be shown in list. The upload button will disappear when count meets limitation.

<template>
  <div class="clearfix">
    <a-upload
      action="https://www.mocky.io/v2/5cc8019d300000980a055e76"
      listType="picture-card"
      :fileList="fileList"
      @preview="handlePreview"
      @change="handleChange"
    >
      <div v-if="fileList.length < 3">
        <a-icon type="plus" />
        <div class="ant-upload-text">Upload</div>
      </div>
    </a-upload>
    <a-modal :visible="previewVisible" :footer="null" @cancel="handleCancel">
      <img alt="example" style="width: 100%" :src="previewImage" />
    </a-modal>
  </div>
</template>
<script>
  export default {
    data() {
      return {
        previewVisible: false,
        previewImage: '',
        fileList: [
          {
            uid: '-1',
            name: 'xxx.png',
            status: 'done',
            url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
          },
        ],
      };
    },
    methods: {
      handleCancel() {
        this.previewVisible = false;
      },
      handlePreview(file) {
        this.previewImage = file.url || file.thumbUrl;
        this.previewVisible = true;
      },
      handleChange({ fileList }) {
        this.fileList = fileList;
      },
    },
  };
</script>
<style>
  /* you can make up upload button and sample style by using stylesheets */
  .ant-upload-select-picture-card i {
    font-size: 32px;
    color: #999;
  }

  .ant-upload-select-picture-card .ant-upload-text {
    margin-top: 8px;
    color: #666;
  }
</style>