vue 金额大写小转换 数字转换 小写转大写 保留两位小数_数字金额大小写带点 vue

正常显示拾万元 

// 大写转换
digitUppercase(n) {
  let unit = "万仟佰拾亿仟佰拾万仟佰拾元角分",
    str = "";
  n = String(Math.round(n * Math.pow(10, 2)));
  unit = unit.substr(unit.length - n.length);
  for (let i = 0; i < n.length; i++) {
    str += "零壹贰叁肆伍陆柒捌玖".charAt(n.charAt(i)) + unit.charAt(i);
  }
  this.digitUppercase1 = str
    .replace(/零(仟|佰|拾|角)/g, "零")
    .replace(/(零)+/g, "零")
    .replace(/零(万|亿|元)/g, "$1")
    .replace(/(亿)万|壹(拾)/g, "$1$2")
    .replace(/^元零?|零分/g, "")
    .replace(/元$/g, "元整");
},

标准显示 壹拾万元 

digitUppercase(money) {
  if (money == "0.00") {
    this.digitUppercase1 = "零元整";
    return;
  }
  var cnNums = new Array(
    "零",
    "壹",
    "贰",
    "叁",
    "肆",
    "伍",
    "陆",
    "柒",
    "捌",
    "玖"
  ); //汉字的数字
  var cnIntRadice = new Array("", "拾", "佰", "仟"); //基本单位
  var cnIntUnits = new Array("", "万", "亿", "兆"); //对应整数部分扩展单位
  var cnDecUnits = new Array("角", "分", "毫", "厘"); //对应小数部分单位
  var cnInteger = "整"; //整数金额时后面跟的字符
  var cnIntLast = "元"; //整数完以后的单位
  //最大处理的数字
  var maxNum = 999999999999999.9999;
  var integerNum; //金额整数部分
  var decimalNum; //金额小数部分
  //输出的中文金额字符串
  var chineseStr = "";
  var parts; //分离金额后用的数组，预定义
  if (money == "") {
    return "";
  }
 
  money = parseFloat(money);
  if (money >= maxNum) {
    //超出最大处理数字
    return "超出最大处理数字";
  }
  if (money == 0) {
    chineseStr = cnNums[0] + cnIntLast + cnInteger;
    return chineseStr;
  }
 
  //四舍五入保留两位小数,转换为字符串
  money = Math.round(money * 100).toString();
  integerNum = money.substr(0, money.length - 2);
  decimalNum = money.substr(money.length - 2);
 
  //获取整型部分转换
  if (parseInt(integerNum, 10) > 0) {
    var zeroCount = 0;
    var IntLen = integerNum.length;
    for (var i = 0; i < IntLen; i++) {
      var n = integerNum.substr(i, 1);
      var p = IntLen - i - 1;
      var q = p / 4;
      var m = p % 4;
      if (n == "0") {
        zeroCount++;
      } else {
        if (zeroCount > 0) {
          chineseStr += cnNums[0];
        }
        //归零
        zeroCount = 0;
        chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
      }
      if (m == 0 && zeroCount < 4) {
        chineseStr += cnIntUnits[q];
      }
    }
    chineseStr += cnIntLast;
  }
  //小数部分
  if (decimalNum != "") {
    var decLen = decimalNum.length;
    for (var i = 0; i < decLen; i++) {
      var n = decimalNum.substr(i, 1);
      if (n != "0") {
        chineseStr += cnNums[Number(n)] + cnDecUnits[i];
      }
    }
  }
  if (chineseStr == "") {
    chineseStr += cnNums[0] + cnIntLast + cnInteger;
  } else if (decimalNum == "" || /^0*$/.test(decimalNum)) {
    chineseStr += cnInteger;
  }
  console.log(chineseStr);
  this.digitUppercase1 = chineseStr;
  // return chineseStr;
},