number-formatter-in-chinese.js

/*
 * 将大数字转换为粗精度的汉字单位数字，以缩短字符串显示长度
 * number <Number> 要转换的数字
 * separator <String> 数字和单位之间的分隔字符，默认为空格
 *
 * return <String> 转换后的字符串
 */
export default {
  toDelimitedString: (number, separator = ' ', decimal = 1) => {
    let retStr = ''
    let sign = (number >= 0) ? '' : '-'
    number = Math.abs(number)

    if (number >= 10e19) {
      retStr = parseFloat((number / 10e19).toFixed(decimal)) + separator + '垓'
    } else if (number >= 10e18) {
      retStr = parseFloat((number / 10e18).toFixed(decimal)) + separator + '千京'
    } else if (number >= 10e17) {
      retStr = parseFloat((number / 10e17).toFixed(decimal)) + separator + '百京'
    } else if (number >= 10e15) {
      retStr = parseFloat((number / 10e15).toFixed(decimal)) + separator + '京'
    } else if (number >= 10e14) {
      retStr = parseFloat((number / 10e14).toFixed(decimal)) + separator + '千兆'
    } else if (number >= 10e13) {
      retStr = parseFloat((number / 10e13).toFixed(decimal)) + separator + '百兆'
    } else if (number >= 10e11) {
      retStr = parseFloat((number / 10e11).toFixed(decimal)) + separator + '兆'
    } else if (number >= 10e10) {
      retStr = parseFloat((number / 10e10).toFixed(decimal)) + separator + '千亿'
    } else if (number >= 10e9) {
      retStr = parseFloat((number / 10e9).toFixed(decimal)) + separator + '百亿'
    } else if (number >= 10e7) {
      retStr = parseFloat((number / 10e7).toFixed(decimal)) + separator + '亿'
    } else if (number >= 10e6) {
      retStr = parseFloat((number / 10e6).toFixed(decimal)) + separator + '千万'
    } else if (number >= 10e3) {
      retStr = parseFloat((number / 10e3).toFixed(decimal)) + separator + '万'
    } else {
      retStr = number.toString()
    }
    return sign + retStr
  }
}