npm install vue-simple-uploader --save

import uploader from 'vue-simple-uploader'
Vue.use(uploader)

  <div>
    <uploader :key="uploader_key" :options="options" class="uploader-example"
              @file-success="onFileSuccess">
      <uploader-unsupport></uploader-unsupport>
      <uploader-drop>
        <uploader-btn :directory="true" :single="true">選擇文件夾</uploader-btn>
      </uploader-drop>
      <uploader-list></uploader-list>
    </uploader>
  </div>

data() {
  return {
    uploader_key: new Date().getTime(),//這個用來刷新組件--解決不刷新頁面連續(xù)上傳的緩存上傳數(shù)據(jù)（注：每次上傳時，強制這個值進行更改---根據(jù)自己的實際情況重新賦值）
    options: {
      target: '/uploadCategory',//SpringBoot后臺接收文件夾數(shù)據(jù)的接口
      testChunks: false//是否分片-不分片
    },
  };
},

  onFileSuccess: function (rootFile, file, response, chunk) {
        //這里可以根據(jù)response（接口）返回的數(shù)據(jù)處理自己的實際問題（如：從response拿到后臺返回的想要的數(shù)據(jù)進行組裝并顯示）
        //注，這里從文件夾每上傳成功一個文件會調(diào)用一次這個方法
  }

<style>
  .uploader-example {
    width: 90%;
    padding: 15px;
    margin: 40px auto 0;
    font-size: 12px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .4);
  }

  .uploader-example .uploader-btn {
    margin-right: 4px;
  }

  .uploader-example .uploader-list {
    max-height: 440px;
    overflow: auto;
    overflow-x: hidden;
    overflow-y: auto;
  }
</style>

@ResponseBody
@RequestMapping("/uploadCategory")
public void uploadCategory(HttpServletRequest request,
                            @RequestParam("file") MultipartFile[] file) 

    if (file != null && file.length > 0) {
        for (MultipartFile temp : file) {
            //處理上傳的文件

            //其他邏輯
        }
    }
}