<el-form-item label="结算时间：" prop="datetimerangevalue"><el-date-pickerv-model="datetimerangevalue"value-format="YYYY-MM-DD HH:mm:ss"type="datetimerange"range-separator="至"start-placeholder="开始时间"end-placeholder="结束时间" /></el-form-item>

const datetimerangevalue = ref<TypeAny>([])
// 格式化日期函数
const formatDate = (date: Date) => {if (!date) return ''const pad = (n: { toString: () => string }) => n.toString().padStart(2, '0')const year = date.getFullYear()const month = pad(date.getMonth() + 1)const day = pad(date.getDate())const hours = pad(date.getHours())const minutes = pad(date.getMinutes())const seconds = pad(date.getSeconds())return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
}// 计算最近一周
const calculateLastWeek = () => {const now = new Date()const endDate = new Date(now)// 从零点到12点开始算起// endDate.setHours(23, 59, 59, 999)const startDate = new Date(now)startDate.setDate(now.getDate() - 6)// startDate.setHours(0, 0, 0, 0)datetimerangevalue.value = [ formatDate(startDate) , formatDate(endDate) ]return [startDate, endDate]
}
// 监听变化
watch(datetimerangevalue, newVal => {if (newVal && newVal.length === 2) {formModel.select_start_time = String(newVal[0]) formModel.select_end_time = String(newVal[1]) } else {formModel.select_start_time = ''formModel.select_end_time = ''}
})// 组件挂载时设置默认日期
onMounted(() => {const dateRange = calculateLastWeek()// 直接设置表单值formModel.select_start_time = formatDate(dateRange[0])formModel.select_end_time = formatDate(dateRange[1])getData()})