elementui 时间范围选择 起始差值最大不能超过30天

//elementui 时间范围选择 起始差值最大不能超过30天

  <el-date-picker            v-model="timeRange"            type="daterange"             range-separator="至"            start-placeholder="开始日期"            end-placeholder="结束日期"            value-format="yyyy-MM-dd"            format="yyyy-MM-dd"            :picker-options="pickerOptions"          />
 data() {    return {      choiceDate: null,

pickerOptions: {        onPick: ({ maxDate, minDate }) => {          if (minDate && this.choiceDate) {            this.choiceDate = null          } else if (minDate) {            this.choiceDate = minDate.getTime()          }        },        disabledDate: (time) => {          const timeOptionRange = this.choiceDate          // 获取时间范围(30天的毫秒数)          const secondNum = 30 * 24 * 60 * 60 * 1000          if (timeOptionRange) {            return (time.getTime() > (this.choiceDate + secondNum)) || (time.getTime() < (this.choiceDate - secondNum))          }          return false        }      }
}

只能选择 开始日期选择的当月 不能跨月选择

 private choiceDate: any = null  private pickerOptions = {    onPick: (data: any) => {      this.choiceDate = data.minDate      if (data.maxDate) {        this.choiceDate = null      }    },    disabledDate: (time: any) => {      if (this.choiceDate) {        let m: any = this.choiceDate.getMonth() + 1 < 10 ? '0' + (this.choiceDate.getMonth() + 1) : this.choiceDate.getMonth() + 1        const minTime = new Date(this.choiceDate.getFullYear() + '-' + m + '-01 00:00:00')        const maxTime = new Date(this.choiceDate.getFullYear(), m, 0)        return time.getTime() < minTime || time.getTime() > maxTime      }    }  }