<el-date-picker class="elpicker" clearable size="small" v-model="form.openTime" type="datetime"
            value-format="yyyy-MM-dd HH:mm:ss" :picker-options="pickerOptions" placeholder="选择开始时间">
          </el-date-picker>

data () {
 pickerOptions: {
        selectableRange: (() => {
          let data = new Date()
          let hour = data.getHours()
          let minute = data.getMinutes()
          let second = data.getSeconds()
          return [`${hour}:${minute}:${second} - 23:59:59`]
        })(),
        disabledDate (time) {
          var date = new Date()
          date.setFullYear(date.getFullYear() + 2)
          date.setDate(date.getDate() - 1)
          return (time.getTime() < Date.now() - 8.64e7) || (time.getTime() > date.getTime())
        }
      }
}

vue输入框只能输入数字

<el-input v-model="item.correctNums"  @input="item.correctNums = item.correctNums.replace(/[^\d.]/g, '')" ></el-input>

vue输入框只能输入数字和小数点

 <el-input style="width: 98px;" @input="validateInput" v-model="form.qScore" />
  validateInput () {
      if (this.form.qScore) {
        this.form.qScore = this.form.qScore.replace(/[^0-9.]/g, '')
      }
      
    },