el-date-picker限制日期为同一天内

1 <el-date-picker
2       v-model="ip_session.parameter.date"
3       type="datetimerange"
4       :picker-options="pickerOptions1"
5       range-separator="至"
6       start-placeholder="开始日期"
7       end-placeholder="结束日期"
8       @change="selectData"
9 />

 1 pickerOptions1: {
 2         startDate: null,
 3         disabledDate: time => {
 4           if (this.pickerOptions1.startDate === undefined || this.pickerOptions1.startDate === null) {
 5             return time.getTime() > Date.now()
 6           } else {
 7             return time.getTime() > this.pickerOptions1.startDate.getTime() + 86399000 || time.getTime() < this.pickerOptions1.startDate.getTime()
 8           }
 9         },
10         onPick: dateRange => {
11           this.pickerOptions1.startDate = dateRange.minDate
12           if (dateRange.maxDate) {
13             this.pickerOptions1.startDate = null
14           }
15         }
16  }

1 selectData(e) {
2       if (e === null) {
3         this.pickerOptions1.startDate = null
4       }
5 }