<el-date-picker
    v-model="changeTrendTime"
    :picker-options="pickerOptions"
    type="month"
    placeholder="请选择查看日期"
    >
</el-date-picker>

computed: {
  pickerOptions:() => {
    return {
      disabledDate(time){
        // <= 0 当天之前
        return moment().diff(time,'days') <= 0
      }
    }
  },
},

原文链接：https://www.cnblogs.com/hanhanours/p/13606319.html