element-百家乐凯发k8

  
   选取文件
   
仅支持上传mp3文件，文件大小不超过500m
  
  上传到服务器

 
export default {
  name: 'uploadmusic',
  data() {
   return {
    headers: {},
    uploadtoken: null,
    canuploadmore: true,
    filelist: null,
   }
  },
  created() {
   this.headers = {}   //此处需要与server约定具体的header
   this.getuploadtoken()
  },
  methods: {
   //获取上传七牛token凭证
   getuploadtoken() {
    this.$http.get('xxxxxxx', {headers: this.headers}).then(response => {
     if (response.data.status == 200) {
      let resp = response.data.data
      this.uploadtoken = resp.token
     } else {
      this.$message({
       message: '获取凭证失败，请重试',
       type: 'error'
      })
     }
    })
   },
   //获取音频文件时长
   getvideoplaytime(file, filelist) {
    let self = this
    //获取录音时长
    try {
     let url = url.createobject;
     //经测试，发现audio也可获取视频的时长
     let audioelement = new audio(url);
     let duration;
     audioelement.addeventlistener("loadedmetadata", function (_event) {
      duration = audioelement.duration;
      file.duration = duration
      self.filelist = filelist
     });
    } catch (e) {
     console.log(e)
    }
   },
   //校验上传文件大小
   uploadchange(file, filelist) {
    this.filelist = filelist
    let totalsize = 0
    for (let file of filelist) {
     totalsize  = file.raw.size
    }
    if (totalsize > 500 * 1024 * 1024) {
     this.canuploadmore = false
     this.$message({
      message: '上传文件不能不超过500m',
      type: 'warn'
     })
    } else {
     this.canuploadmore = true
    }
   },
   uploadbefore(file) {
    if (this.canuploadmore) {
     return true
    }
    return false
   },
   //上传成功
   uploadsuccess(response, file, filelist) {
    this.getvideoplaytime(file, filelist)
   },
   //上传失败
   uploaderror(err, file, filelist) {
    console.log(err)
   },
   //上传服务器数据格式化
   getuploadmusiclist() {
    let musiclist = []
    for (let file of this.filelist) {
     if (file.response && file.response.key) {
      musiclist.push({
       "play_time": file.duration, //播放时长
       "size": file.size/1024,   //文件大小 单位 kb
       "song_name": file.name,   //歌曲名
       "voice_url": "xxxx"     //上传七牛返回的访问路径
      })
     }
    }
    return musiclist
   },
   //上传至服务器
   submitupload() {
    let musiclist = this.getuploadmusiclist()
    this.$http.post('xxxxxxxxxx', {music_list: musiclist}, {headers: this.headers}).then(response => {
     if (response.data.status == 200) {
      this.$refs.upload.clearfiles() //上传成功后清空文件列表
      this.$message({
       message: '上传服务器成功',
       type: 'success'
      })
     } else{
      this.$message({
       message: '上传服务器失败，请重试',
       type: 'error'
      })
     }
    }).catch(err => {
     this.$message({
      message: '上传服务器失败，请重试',
      type: 'error'
     })
    })
   },
  }
 }

  
   选取文件
   上传到服务器
   
只能上传mp3文件，且单次不超过500m
  

export default {
  name: 'uploadmusic',
  data() {
   return {
    filetype:'video',
    filedata: new formdata(),
    headers:{},
   }
  },