/**
 * 转换为带单位的短数据
 * @param num 需要转换的数字（非数字 或是 - 将直接返回 -）
 * @param decimal 返回的小数位
 * @param addUnit 返回值是否添加单位:(万或亿)
 * @param retInt 当数据小于1万时，是否返回无小数位的整数
 */
export const transformShortNum = (num: any, decimal = 0, addUnit = true, retInt = false) => {
  let formatValue = parseFloat(num);
  if (isNaN(formatValue) || (num !== 0 && !num)) {
    return '-';
  }
  let isNegativeNumber = false;
  let ret = '';
  if (formatValue < 0) {
    isNegativeNumber = true;
    formatValue = Math.abs(formatValue);
  }

  if (formatValue >= 100000000) {
    ret = (formatValue / 100000000).toFixed(decimal) + (addUnit ? '亿' : '');
  } else if (formatValue >= 10000) {
    ret = (formatValue / 10000).toFixed(decimal) + (addUnit ? '万' : '');
  } else {
    ret = retInt ? formatValue.toFixed(0) : formatValue.toString();
    ret = !retInt && !isNaN(decimal) ? formatValue.toFixed(decimal) : ret;
  }
  return isNegativeNumber ? `-${ret}` : ret;
};