<template>
  <div>
    <!-- 弹窗, 上传文件 -->
    <el-upload
      @close="closeHandle"
      :action="url"
      :before-upload="beforeUploadHandle"
      :on-success="successHandle"
      multiple
      :show-file-list="false"
      >
      <el-button type="primary">点击上传</el-button>
    </el-upload>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        url: '',
        num: 0,
        successNum: 0,
        fileList: {},
        folder: '系统文件'
      }
    },
    methods: {
      init(id) {
        this.url = this.$http.adornUrl(`/ftp/file/upload?token=${this.$cookie.get('token_plm')}&folder=` + this.folder)
        this.visible = true
      },
      // 上传之前
      beforeUploadHandle(file) {
        // if (file.type !== 'image/jpg' && file.type !== 'image/jpeg' && file.type !== 'image/png' && file.type !== 'image/gif') {
        //   this.$message.error('只支持jpg、png、gif格式的图片！')
        //   return false
        // }
        this.num++
      },
      // 上传成功
      successHandle(response, file, fileList) {
        this.fileList = response.ossEntity
        this.childClick()
        return response.ossEntity
      },
      childClick() {
        // childByValue是在父组件on监听的方法
        this.$emit('childByValue', this.fileList)
        this.$emit('refreshDataList')
      },
      // 弹窗关闭时
      closeHandle () {
        this.fileList = []
        this.$emit('refreshDataList')
      }
    },
    created() {
      this.init()
    }
  }
</script>

<style scoped>

</style>
