https://lian-yue.github.io/vue-upload-component/#/en/documents
文档:https://lian-yue.github.io/vue-upload-component/#/zh-cn/documents#%E5%85%A5%E9%97%A8%E5%BC%80%E5%A7%8B-%E7%9B%B4%E6%8E%A5%E4%BD%BF%E7%94%A8
如果同一个页面使用多次插件,属性ref,input-file,input-filter,