220 lines
6.8 KiB
JavaScript
220 lines
6.8 KiB
JavaScript
var utils = require("./utils");
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/**
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* 阿拉伯数字转中文数字
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*
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* @param {String} num 阿拉伯数字/字符串 , 科学记数法字符串
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* @param {Object} opration 转换配置
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* {
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* ww: {万万化单位 | false}
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* tenMin: {十的口语化 | false}
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* }
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* @returns String
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*/
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function CL(num, options) {
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var result = utils.getNumbResult(num)
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if (!result) {
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return num;
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}
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options = options ? options : {};
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var ch = this.ch //数字
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, ch_u = this.ch_u //单位
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, ch_f = this.ch_f || "" //负
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, ch_d = this.ch_d || "." //点
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, n0 = ch.charAt(0); //零
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var _int = result.int //整数部分
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, _decimal = result.decimal //小数部分
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, _minus = result.minus; //负数标识
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var int = ""
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, dicimal = ""
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, minus = _minus ? ch_f : ''; //符号位
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var encodeInt = function encodeInt(_int, _m, _dg) {
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_int = utils.getNumbResult(_int).int;
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var int = ""
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, tenm = arguments.length > 1 ? arguments[1] : options.tenMin
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, _length = _int.length;
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//一位整数
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if (_length == 1) return ch.charAt(+_int);
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if (_length <= 4) { //四位及以下
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for (var i = 0, n = _length; n--;) {
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var _num = +_int.charAt(i);
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int += (tenm && _length == 2 && i == 0 && _num == 1) ? "" : ch.charAt(_num);
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int += (_num && n ? ch_u.charAt(n) : '')
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i++;
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}
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} else { //大数递归
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var d = _int.length / 4 >> 0
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, y = _int.length % 4;
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//"兆","京"等单位处理
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while (y == 0 || !ch_u.charAt(3 + d)) {
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y += 4;
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d--;
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}
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var _maxLeft = _int.substr(0, y), //最大单位前的数字
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_other = _int.substr(y); //剩余数字
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int = encodeInt(_maxLeft, tenm) + ch_u.charAt(3 + d)
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+ (_other.charAt(0) == '0' ? n0 : '') //单位后有0则加零
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+ encodeInt(_other, _other.length > 4 ? tenm : false)
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}
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int = utils.clearZero(int, n0); //修整零
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return int;
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}
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//转换小数部分
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if (_decimal) {
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_decimal = utils.clearZero(_decimal, "0", "$"); //去除尾部0
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for (var x = 0; x < _decimal.length; x++) {
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dicimal += ch.charAt(+_decimal.charAt(x));
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}
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dicimal = dicimal ? ch_d + dicimal : "";
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}
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//转换整数部分
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int = encodeInt(_int); //转换整数
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//超级大数的万万化
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if (options.ww && ch_u.length > 5) {
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var dw_w = ch_u.charAt(4)
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, dw_y = ch_u.charAt(5);
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var lasty = int.lastIndexOf(dw_y);
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if (~lasty) {
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int = int.substring(0, lasty).replace(new RegExp(dw_y, 'g'), dw_w + dw_w) + int.substring(lasty);
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}
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}
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return minus + int + dicimal;
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}
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/**
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* 中文数字转阿拉伯数字
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*
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* @param {string} cnnumb 中文数字字符串
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* @returns Number
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*/
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function unCL(cnnumb, options) {
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cnnumb = cnnumb.toString();
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var result = cnnumb.split(this.ch_d);
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var _int = result[0].replace(this.ch_f, "")
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, _decimal = result[1]
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, _minus = !!~result[0].indexOf(this.ch_f);
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var dw_s = this.ch_u.charAt(1)
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, dw_w = this.ch_u.charAt(4)
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, dw_y = this.ch_u.charAt(5);
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_int = _int.replace(new RegExp(dw_w + "{2}(?!"+dw_w+")", "g"), dw_y);
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var cnarr = _int.split('');
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var dw = 0, maxdw = 0;
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var rnum_a = [], num_a = [], _num_a = [];
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for (var i = 0; i < cnarr.length; i++) {
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var chr = cnarr[i];
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var n = 0, u = 0;
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if (~(n = this.ch.indexOf(chr))) {
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//_num = _num*10 + n;
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if (n > 0) _num_a.unshift(n);
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//_num_a.unshift(n);
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} else if (~(u = this.ch_u.indexOf(chr))) {
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var digit = utils.getDigit(u);
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if (dw > u) {//正常情况
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utils.unshiftZero(_num_a, digit);
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utils.centerArray(num_a, _num_a);
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} else if (u >= maxdw) {//后跟大单位
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if (i == 0) _num_a = [1];
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utils.centerArray(rnum_a, num_a, _num_a);
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if (rnum_a.length > 0) utils.unshiftZero(rnum_a, digit);
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maxdw = u;
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} else {
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if (_num_a.length == 0 && dw_s == chr) _num_a = [1];
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utils.centerArray(num_a, _num_a);
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utils.unshiftZero(num_a, utils.getDigit(u));
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dw = u;
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}
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}
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}
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utils.centerArray(rnum_a, num_a, _num_a).reverse();
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if (rnum_a.length == 0) rnum_a.push(0);
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var decimal = 0;
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if (_decimal) {
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rnum_a.push('.')
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decimal = '0.'
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for (var i = 0; i < _decimal.length; i++) {
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decimal += this.ch.indexOf(_decimal.charAt(i));
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rnum_a.push(this.ch.indexOf(_decimal.charAt(i)));
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}
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decimal = +decimal;
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}
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if (_minus) rnum_a.unshift('-');
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return (options && options.outputString) ? rnum_a.join('') : parseFloat(rnum_a.join(''));
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}
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/**
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* 阿拉伯数字转金额
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*
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* @param {String} num 阿拉伯数字/字符串 , 科学记数法字符串
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* @param {Object} options 转换配置
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* {
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* ww:{万万化开关 | true},
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* unOmitYuan: {整数为0时不省略元| false},
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* complete:{完整金额格式 | false},
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* outSymbol:{是否输出金额符号 | true}
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* forceZheng:{以转换结果加“整” | false}
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* }
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* @returns String
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*/
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function toMoney(num, options) {
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var def = { ww: true, complete: false, outSymbol: true, unOmitYuan: false, forceZheng: false };
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var result = utils.getNumbResult(num);
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var ch_0 = this.ch.charAt(0);
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options = typeof options == "object" ? options : {};
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if (!result) { return num; }
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options = utils.extend(def, options);
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var _int = result.int
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, _decimal = result.decimal || "";
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var t_str = options.outSymbol ? this.m_t : ""
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, zs_str = result.minus ? this.ch_f : ""
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, xs_str = "";
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if (options.complete) {
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for (var i = 1; i < this.m_u.length; i++) {
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xs_str += CL.call(this, _decimal.charAt(i - 1) || "0") + this.m_u.charAt(i);
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}
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zs_str += CL.call(this, _int, options) + this.m_u.charAt(0);
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} else {
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var hasYuan = options.unOmitYuan || _int !== '0';
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_decimal = _decimal.substr(0, this.m_u.length-1);
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_decimal = utils.clearZero(_decimal, "0", "$"); //去除尾部的0
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if (_decimal) {
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var mark_0;
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for (var i = 0; i < this.m_u.length - 1; i++) {
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if (_decimal.charAt(i) && _decimal.charAt(i) != "0") {
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xs_str += CL.call(this, _decimal.charAt(i)) + this.m_u.charAt(i + 1);
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mark_0 = false;
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}
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if (_decimal.charAt(i) === "0" && !mark_0) {
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if (i != 0 || _int !== "0") xs_str += ch_0; //当没有输出元时,小数前无需加零
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mark_0 = true;
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}
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}
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//if(_num == "0"){xs_str = utils.clearZero(xs_str,ch_0,"^")}
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}
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if (hasYuan || !xs_str) {
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zs_str += CL.call(this, _int, options) + this.m_u.charAt(0);
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}
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if(!options.forceZheng) {
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zs_str += result.decimal ? "" : this.m_z
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}else if(xs_str == '' || xs_str.charAt(xs_str.length-1) !== this.m_u[2]){
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xs_str += this.m_z
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}
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// if(result.minus) t_str += this.ch_f;
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if(options.forceZheng){
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}
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}
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return t_str + zs_str + xs_str;
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}
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module.exports = {
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CL: CL,
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unCL: unCL,
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toMoney: toMoney
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} |