Vue中阿拉伯数字与汉字的相互转换

numberfilter (num) {
  const changeNum = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九'] // changeNum[0] = "零"
  const unit = ['', '十', '百']
  num = parseInt(num)
  const getWan = (temp) => {
    const strArr = temp.toString().split('').reverse()
    let newNum = ''
    for (var i = 0; i < strArr.length; i++) {
      newNum = (i == 0 && strArr[i] == 0 ? '' : (i > 0 && strArr[i] == 0 && strArr[i - 1] == 0 ? '' : changeNum[strArr[i]] + (strArr[i] == 0 ? unit[0] : unit[i]))) + newNum
    }
    return newNum
  }
  const overWan = Math.floor(num / 100)
  let noWan = num % 100
  if (noWan.toString().length < 2) noWan = '0' + noWan
  let strr = (overWan ? getWan(overWan) + '百' + getWan(noWan) : getWan(num))
  if(strr.split('')[0] == '一'){
    let showNum = "";
    if(strr == '一'){
      showNum = strr.substring(0);
    }else{
      showNum = strr.substring(1);
    }
    return "第"+showNum+"条"
  }else{
    let showNum = overWan ? getWan(overWan) + '百' + getWan(noWan) : getWan(num);
    return "第"+showNum+"条"
  }
},