element时间选择器有数据不显示
<span>上午</span>
<el-time-picker is-range v-model="times" range-separator="至" start-placeholder="开始时间" end-placeholder="结束时间" placeholder="选择时间范围" format="HH:mm" value-format="HH:mm"></el-time-picker>
times:['','']
this.$set(this.times , 0 , '08:00')
this.$set(this.times , 1 , '12:20')