element-ui的upload手動(dòng)上傳多文件，怎么是分開(kāi)多次請(qǐng)求上傳的，不是一次批量嗎？里面詳細(xì)代碼描述，請(qǐng)教

<template>
  <div>
    <el-upload
          class="upload-demo"
          ref="upload"
          action="http://192.168.1.120:6001/gateway/app/content-aggr/content/addResource"
          :on-change="onchangeFunc"
          :multiple="bool"
          :headers="header"
          :data="datas"
          :on-preview="handlePreview"
          :on-remove="handleRemove"
          :file-list="fileList"
          :auto-upload="false">
          <el-button slot="trigger" size="small" type="primary">選取文件</el-button>
          <el-button style="margin-left: 10px;" size="small" type="success" @click="submitUpload">上傳到服務(wù)器</el-button>
          <div slot="tip" class="el-upload__tip">只能上傳jpg/png文件，且不超過(guò)500kb</div>
        </el-upload>
     </div>
</template>

export default {
  data(){
    return {
      bool:true,
      header:{
        'Authorization': 'Bearer ' + sessionStorage.getItem('session_Authorization'),
        'userId': sessionStorage.getItem('session_userId')
      },
      datas:{
        // files: files,
        ivFormat: 'image/jpeg',
        ivHeight: '1000',
        ivName: '1111',
        ivSize: '11111',
        ivWidth: '2222',
      },
      fileList: []
    }
  },
  methods:{
    onchangeFunc(file, fileList){
      console.log('filelist');
      this.fileList=fileList;
    }
  }
}