long
2021-12-08 0e0365cb3abd31edcf0c09c3fc215027983dfca8
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<template>
  <div>
    <el-upload
      ref="refUploadVideo"
      action="#"
      :before-upload="beforeUploadVideo"
      accept="video/mp4"
      :limit="1"
      :file-list="uploadVideos"
      :on-change="addUploadImg"
      :on-remove="delUploadImg"
      :http-request="reqUploadVideo"
      style="width: 200px"
    >
      <video
        v-if="uploadVideos.length"
        class="com-up-video"
        :src="uploadVideos[0].url"
        controls="controls"
      >您的浏览器不支持视频播放</video>
      <template v-else>
        <i class="el-icon-plus" />
        <span>选择视频</span>
      </template>
 
    </el-upload>
  </div>
</template>
 
<script>
import mixin_upload from '@/mixins/upload.js' // 通用上传视频预览
export default {
  mixins: [mixin_upload],
  model: {
    prop: 'uploadVideos',
    event: 'change'
  },
  props: {
    uploadVideos: {
      type: Array,
      default: () => {
        return []
      }
    },
    accept: {
      type: String,
      default: () => {
        return 'image/jpeg,image/jpg,image/gif,image/png'
      }
    }
 
  },
 
  data() {
    return {
      callback: null
    }
  },
  methods: {
    // 上传视频 ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
    // 上传前回调
    beforeUploadVideo(file) {
      var fileSize = file.size / 1024 / 1024 < 50
      if (['video/mp4'].indexOf(file.type) === -1) {
        this.$message.error('必须是mp4文件')
        return false
      }
      if (!fileSize) {
        this.$message.error('视频大小不能超过50MB')
        return false
      }
      this.isShowUploadVideo = false
    },
    // 增加视频
    addUploadImg(file, fileList) {
      this.$emit('change', fileList)
    },
    // 删除视频
    delUploadImg(file, fileList) {
      this.$emit('change', fileList)
    },
 
    // 上传视频
    reqUploadVideo(res) {
      const file = res.file
      const formData = new FormData()
      formData.append('file', file)
      this.postFN({
        url: 'admin/image/upload?folderCode=Video',
        header: { 'Content-Type': 'multipart/form-data' },
        params: formData,
        mockData: {
          code: 100,
          msg: '',
          data: {
            imgUrl: 'https://www.w3school.com.cn/i/movie.mp4'
          }
        }
      }, (inf) => {
        // 替换掉未上传的图片
        this.$emit('change', [{ name: '视频', url: inf.imgUrl, status: 'success' }])
 
        console.log('上传视频成功且结束')
 
        // 提交
        // this.$set(this.dialogData, 'imgUrl', inf.imgUrl)
        this.callback && this.callback(inf.imgUrl)
      })
    }
    // 上传视频 ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑
  }
}
</script>
 
<style>
.el-upload-list__item{
  transition: none;
}
</style>