js 阿拉伯数字转中文大写货币

//方式一 function zh(n) {        if (!/^(0|[1-9]\d*)(\.\d+)?$/.test(n))            return "数据非法";        var unit = "仟佰拾亿仟佰拾万仟佰拾圆角分", str = "";            n += "00";        var p = n.indexOf('.');        if (p >= 0)            n = n.substring(0, p) + n.substr(p+1, 2);            unit = unit.substr(unit.length - n.length);        for (var i=0; i < n.length; i++)            str += '零壹贰叁肆伍陆柒捌玖'.charAt(n.charAt(i)) + unit.charAt(i);        return str.replace(/零(仟|佰|拾|角)/g, "零").replace(/(零)+/g, "零").replace(/零(万|亿|圆)/g, "$1").replace(/(亿)万|壹(拾)/g, "$1$2").replace(/^圆零?|零分/g, "").replace(/圆$/g, "圆整");}//方式二function zh(money) {if(money.indexOf('-1') != -1 ){money = money.substring(1);}  //汉字的数字  var cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');  //基本单位  var cnIntRadice = new Array('', '拾', '佰', '仟');  //对应整数部分扩展单位  var cnIntUnits = new Array('', '万', '亿', '兆');  //对应小数部分单位  var cnDecUnits = new Array('角', '分', '毫', '厘');  //整数金额时后面跟的字符  var cnInteger = '整';  //整型完以后的单位  var cnIntLast = '元';  //最大处理的数字  var maxNum = 999999999999999.9999;  //金额整数部分  var integerNum;  //金额小数部分  var decimalNum;  //输出的中文金额字符串  var chineseStr = '';  //分离金额后用的数组，预定义  var parts;  if (money == '') { return ''; }  money = parseFloat(money);  if (money >= maxNum) {    //超出最大处理数字    return '';  }  if (money == 0) {    chineseStr = cnNums[0] + cnIntLast + cnInteger;    return chineseStr;  }  //转换为字符串  money = money.toString();  if (money.indexOf('.') == -1) {    integerNum = money;    decimalNum = '';  } else {    parts = money.split('.');    integerNum = parts[0];    decimalNum = parts[1].substr(0, 4);  }  //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 == '') {    chineseStr += cnInteger;  }  return chineseStr;}