element UI 日期组件（限制开始日期和结束日期范围）

                <!--日期start-->
                    <el-form-item label="提交时间：">
                        <div class="block">
                            <!-- <span class="demonstration"></span> -->

                            <el-date-picker
                                value-format="yyyy-MM-dd" 
                                v-model="searchFrom.begTime"
                                :picker-options="startDateLimit"
                                placeholder="开始日期">
                            </el-date-picker>
                            -
                            <el-date-picker
                                value-format="yyyy-MM-dd" 
                                v-model="searchFrom.endTime"
                                :picker-options="endDateLimit"
                                placeholder="结束日期">
                            </el-date-picker>
                        </div>
                    </el-form-item>
               <!--日期end-->                        

se　　　　　　　　archFrom: sessionStorage.getItem("save_search") ? JSON.parse(sessionStorage.getItem("save_search")):{
                    orderStatus: "",
                    orderNo: ‘‘,
                    begTime:"",
                    endTime:"",
                    supplierInfoName:"",
                    userName:"",
                    purchaseType:""
                },
                //日期限制
                startDateLimit: {
                    disabledDate: (time) => {
                        let endTime = this.searchFrom.endTime;
                        if (endTime) {
                            return time.getTime() > new Date(endTime).getTime();
                        }
                    }
                },
                endDateLimit: {
                    disabledDate: (time) => {
                        let beginTime = this.searchFrom.begTime;
                        if (beginTime) {
                            return time.getTime() < new Date(beginTime).getTime() - 8.64e7;  //开始和结束可以选择同一天
                        }
                    }
                },