1、点击返回：添加click事件，然后：
back () { this.$router.back() }2、随机播放按钮：
<div class="play-wrapper"> <div class="play" v-if="songs.length>0" ref="play"> <i class="icon-play"></i> <span class="text">随机播放全部</span> </div> </div> .play-wrapper position absolute bottom 20px z-index 50 width 100% .play box-sizing border-box width 135px padding 7px 0 margin 0 auto text-align center border 1px solid $color-theme color $color-theme border-radius 100px font-size 0 .icon-play display inline-block vertical-align middle margin-right 6px font-size $font-size-medium-x .text display inline-block vertical-align middle font-size $font-size-small