先在main.js中导入

import moment from 'moment'

<el-row><el-col :span="12"><el-form-item label="考试开始时间" prop="startTime"><el-date-picker v-model="shiJuanXinXiForm.startTime" style="width: 100%" type="datetime"start-placeholder="开始时间" value-format="yyyy-MM-dd HH:mm:ss"format="yyyy-MM-dd HH:mm:ss" @change="changeStartEnd('start', $event)"></el-date-picker></el-form-item></el-col><el-col :span="12"><el-form-item label="考试结束时间" prop="endTime"><el-date-picker v-model="shiJuanXinXiForm.endTime" value-format="yyyy-MM-dd HH:mm:ss" format="yyyy-MM-dd HH:mm:ss"style="width: 100%"type="datetime" start-placeholder="结束时间":picker-options="pickerOptions" @change="changeStartEnd('end', $event)"></el-date-picker></el-form-item></el-col>
</el-row>

  methods: {changeStartEnd(type, val) {debuggerif (type === "start") {this.shiJuanXinXiForm.endTime = val}
},

}

computed: {isVisible: {get() {return this.dialogVisible;},set() {this.close();this.reset();},},title() {return this.$t("common." + this.type);},pickerOptions() {let str = "";if(this.$moment(this.shiJuanXinXiForm.startTime).format("YYYY-MM-DD") === this.$moment(this.shiJuanXinXiForm.endTime).format("YYYY-MM-DD")){str = this.shiJuanXinXiForm.startTime.split(" ").at(-1)}else{str = "00:00:00"}return {disabledDate: (time) => {return new Date(this.shiJuanXinXiForm.startTime).getTime() > time.getTime();},selectableRange: str + " - 23:59:59"}},
},