vue导出报表

 // 导出
    handleExport() {
      enterExport(this.listQuery).then(res => {
        const link = document.createElement('a')
        const blob = new Blob([res.data], {type: 'application/vnd.ms-excel'})
        link.style.display = 'none'
        link.href = URL.createObjectURL(blob)
        let date = getDateNum()
        link.setAttribute('download', '其他渠道订单发货_' + date + '.xlsx')
        document.body.appendChild(link)
        link.click()
        document.body.removeChild(link)
      })
    },




// 获取时间戳  年月日时分秒  用于 导出报表名字  例:20210521131411
export function getDateNum() {
  let date = new Date()
  let y = date.getFullYear()
  let m = date.getMonth() + 1
  let d = date.getDate()
  let h = date.getHours() < 10 ? '0' + date.getHours() : date.getHours()
  let min = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()
  let s = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds()
  if (m < 10) m = '0' + m
  if (d < 10) d = '0' + d
  return y + '' + m + '' + d + '' + h + '' + min +'' + s
}

// 获取当月天数
export function getMonthdays(year, month){
  var d = new Date(year, month, 0);
  return d.getDate();
}