web-store-retail-h5/util/index.js

//该方法用于给日期、时间补零
function addZero(num) {
  if (parseInt(num) < 10) {
    num = '0' + num
  }
  return num
}
//把毫秒数转化成具体日期   2021-06-04
//参数 毫秒数
function formatMsToDate(ms) {
  if (ms) {
    var oDate = new Date(ms),
      oYear = oDate.getFullYear(),
      oMonth = oDate.getMonth() + 1,
      oDay = oDate.getDate(),
      // oHour = oDate.getHours(),
      // oMin = oDate.getMinutes(),
      // oSen = oDate.getSeconds(),
      oTime = oYear + '-' + addZero(oMonth) + '-' + addZero(oDay)
    return oTime
  } else {
    return ''
  }
}
//判断值是否为空
function isEmpty(v) {
  switch (typeof v) {
    case 'undefined':
      return true
    case 'string':
      if (v.replace(/(^[ \t\n\r]*)|([ \t\n\r]*$)/g, '').length == 0) return true
      break
    case 'boolean':
      if (!v) return true
      break
    case 'number':
      if (0 === v || isNaN(v)) return true
      break
    case 'object':
      if (null === v || v.length === 0) return true
      for (var i in v) {
        return false
      }
      return true
  }
  return false
}
function formatSeconds(second_time) {
  var time = parseInt(second_time) + '天'
  if (parseInt(second_time) >= 60) {
    var second = parseInt(second_time) % 60
    var min = parseInt(second_time / 60)
    if (second == 0) {
      // time = min + "分";
    } else {
      // time = min + "分" + second + "秒";
    }
    if (min > 60) {
      min = parseInt(second_time / 60) % 60
      var hour = parseInt(parseInt(second_time / 60) / 60)
      if (second == 0) {
        // time = hour + "小时";
      } else {
        // time = hour + "小时";
      }
      if (hour > 24) {
        hour = parseInt(parseInt(second_time / 60) / 60) % 24
        var day = parseInt(parseInt(parseInt(second_time / 60) / 60) / 24)
        if (second == 0) {
          time = day + '天'
        } else {
          time = day + '天'
        }
      }
    }
  } else {
    time = time
  }
  return time
}

function formatCurrency(value) {
  // 处理空值或无效值
  if (value === null || value === undefined || value === '') {
    return value
  }

  // 转换为数字类型
  const numValue = typeof value === 'string' ? parseFloat(value) : value

  // 验证是否为有效数字
  if (isNaN(numValue)) {
    return value
  }

  // 截断到两位小数（不四舍五入）
  const truncated = Math.floor(numValue * 100) / 100

  // 添加千分位分隔符的函数
  function addThousandSeparator(num) {
    return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',')
  }

  // 判断是否有小数部分
  if (truncated % 1 === 0) {
    // 整数，不显示小数位，但添加千分位分隔符
    return addThousandSeparator(truncated)
  } else {
    // 有小数，保留两位，并为整数部分添加千分位分隔符
    const fixedValue = truncated.toFixed(2)
    const parts = fixedValue.split('.')
    parts[0] = addThousandSeparator(parts[0])
    return parts.join('.')
  }
}

export { formatCurrency, formatMsToDate, formatSeconds, isEmpty }