1、el-date-picker设置今天之前的日期不可选

<el-date-picker style="width: 100%" type="date" v-model="form.resetDate" align="right" :value-format="'yyyy-MM-dd'" placeholder="选择调整日期"
                :disabled="this.disabled "
                :picker-options="{
                  disabledDate: (time) =>
                    time.getTime() <
                    new Date(new Date().setHours(0, 0, 0, 0))
                }">
              </el-date-picker>

效果图：

2、el-time-picker设置指定时间之前的时间不可选

<el-col :span="12">
            <el-form-item label="开始时间" prop="enterTime">
              <el-time-picker v-model="form.enterTime" :disabled="this.disabled" :value-format="'HH:mm'" format="HH:mm" style="width: 100%" placeholder="请选择开始时间"
              :picker-options="{selectableRange:`00:00:00-${form.stopTime ? form.stopTime + ':00' : '23:59:59'}`}">
              </el-time-picker>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="结束时间" prop="stopTime">
              <el-time-picker v-model="form.stopTime" :disabled="this.disabled" :value-format="'HH:mm'" format="HH:mm" style="width: 100%" placeholder="请选择结束时间"
              :picker-options="{selectableRange:`${form.enterTime ? form.enterTime + ':00' : '00:00:00'}-23:59:59`}">
              </el-time-picker>
            </el-form-item>
          </el-col>

效果图：

 3、设置YYYY-MM-dd HH:mm:ss格式指定时间之前不可选

<el-col :span="12">
            <el-form-item label="停机时间" prop="enterTime">
              <el-date-picker v-model="form.enterTime" type="datetime" :disabled="this.disabled" placeholder="请选择进车时间" align="right" :value-format="'yyyy-MM-dd HH:mm'"
                style="width: 100%" :picker-options="pickerOptions">
              </el-date-picker>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="结束时间" prop="stopTime">
              <el-date-picker v-model="form.stopTime" type="datetime" :disabled="this.disabled" placeholder="请选择结束时间" align="right" :value-format="'yyyy-MM-dd HH:mm'"
                style="width: 100%" :picker-options="pickerOptions" @change="pickerOptionsEnd(form.enterTime,form.stopTime)">
              </el-date-picker>
            </el-form-item>
          </el-col>

// 结束时间不能小于开始时间
        pickerOptionsEnd(start,end){
          console.log(start)
          console.log(end)
          if(Date.parse(end )<= Date.parse(start) ) {
            this.form.stopTime = ''
            this.$modal.msgError("结束时间不能小于停机时间");
          }
        },

效果图：