获取数字的中文单元

getChineseUnit.js

var getChineseUnit = function(number) {
    var integer = Math.floor(number);
    var digit = 0;
    while (integer >= 1) {
        digit++;
        integer = integer / 10;
    }
    digit--;
    integer = Math.floor(number);
    var chineseUnit = ['个', '十', '百', '千', '万', '十万', '百万', '千万'];
    var unit = [];
    var multiple = Math.floor(digit / 8);
    for (var i = 0; i < multiple; i++) {
        unit.push('亿');
    }
    var remainder = digit % 8;
    if (remainder > 0) {
        unit.unshift(chineseUnit[remainder]);
    }
    return unit.join('');
};
document.body.innerHTML = [
  getChineseUnit(1) + '<br/>',
  getChineseUnit(10) + '<br/>',
  getChineseUnit(100) + '<br/>',
  getChineseUnit(1000) + '<br/>',
  getChineseUnit(10000) + '<br/>',
  getChineseUnit(200000) + '<br/>',
  getChineseUnit(2000000) + '<br/>',
  getChineseUnit(20000000) + '<br/>',
  getChineseUnit(200000000) + '<br/>',
  getChineseUnit(2000000000) + '<br/>',
  getChineseUnit(20000000000) + '<br/>',
  getChineseUnit(200000000000) + '<br/>',
  getChineseUnit(2000000000000) + '<br/>',
  getChineseUnit(20000000000000) + '<br/>',
  getChineseUnit(200000000000000) + '<br/>',
  getChineseUnit(2000000000000000) + '<br/>',
  getChineseUnit(20000000000000000) + '<br/>',
  getChineseUnit(200000000000000000) + '<br/>',
  getChineseUnit(2000000000000000000) + '<br/>',
  getChineseUnit(20000000000000000000) + '<br/>',
  getChineseUnit(200000000000000000000) + '<br/>',
  getChineseUnit(2000000000000000000000) + '<br/>',
  getChineseUnit(20000000000000000000000) + '<br/>'
].join('');