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ccdos/RmbUpperConverter.cs

Forked from oldrev/RmbUpperConverter.cs
Created September 20, 2013 06:12
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Revisions

  1. @oldrev oldrev revised this gist Sep 20, 2013. 1 changed file with 0 additions and 1 deletion.
    1 change: 0 additions & 1 deletion RmbUpperConverter.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -22,7 +22,6 @@ public class RmbUpperConverter {
    public static string ToUpper(double price) {
    var sb = new StringBuilder();

    int nDigits = (int)Math.Floor(Math.Log10(Math.Abs(price))) + 1;
    var qianPart = (long)(price % 10000);
    var wanPart = ((long)(price % 100000000) - qianPart) / 10000;
    var yiPart = ((long)(price % 100000000000) - qianPart - wanPart) / 100000000;
  2. @oldrev oldrev revised this gist Sep 20, 2013. 1 changed file with 23 additions and 26 deletions.
    49 changes: 23 additions & 26 deletions RmbUpperConverter.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -13,10 +13,11 @@ namespace RMBUpper {

    public class RmbUpperConverter {

    private static readonly Char[] RmbDigits = {
    private static readonly Char[] RmbDigits = {
    '零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖' };
    private static readonly Dictionary<int, string> DecDigits =
    new Dictionary<int, string>() { { 0, "" }, { 1, "拾" }, { 2, "佰" }, { 3, "仟" }, { 5, "万" } };

    private static readonly string[] DecDigits = {
    string.Empty, "拾", "佰", "仟", string.Empty, "万" };

    public static string ToUpper(double price) {
    var sb = new StringBuilder();
    @@ -56,28 +57,26 @@ public static string ToUpper(double price) {
    }

    private static void ParseDecimal(StringBuilder sb, long decPart) {
    if (decPart <= 0) {
    sb.Append("整");
    if (decPart > 0) {
    var jiao = decPart / 10;
    var fen = decPart % 10;
    if (jiao > 0) {
    sb.Append(RmbDigits[jiao]);
    sb.Append("角");
    }
    if (jiao == 0 && fen > 0) {
    sb.Append("零");
    }
    if (fen > 0) {
    sb.Append(RmbDigits[fen]);
    sb.Append("分");
    }
    else {
    sb.Append("整");
    }
    }
    else {
    if (decPart > 0) {
    var jiao = decPart / 10;
    var fen = decPart % 10;
    if (jiao > 0) {
    sb.Append(RmbDigits[jiao]);
    sb.Append("角");
    }
    if (jiao == 0 && fen > 0) {
    sb.Append("零");
    }
    if (fen > 0) {
    sb.Append(RmbDigits[fen]);
    sb.Append("分");
    }
    else {
    sb.Append("整");
    }
    }
    sb.Append("整");
    }
    }

    @@ -109,9 +108,7 @@ private static void ParseInteger(StringBuilder sb, long value) {

    if (!skipSpec) {
    var f1 = nDigits - i - 1;
    if (DecDigits.ContainsKey(f1)) {
    sb.Append(DecDigits[f1]);
    }
    sb.Append(DecDigits[f1]);
    }

    u -= u / factor * factor;
  3. @oldrev oldrev created this gist Sep 20, 2013.
    124 changes: 124 additions & 0 deletions RmbUpperConverter.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,124 @@
    /** 中文互联网上写的最漂亮效率最高的大写人民币金额转换代码
    * 作者：李维 <[email protected]>
    * 版权所有 (c) 2013 李维。保留所有权利。
    * 本代码基于 BSD License 授权。
    * */

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;

    namespace RMBUpper {

    public class RmbUpperConverter {

    private static readonly Char[] RmbDigits = {
    '零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖' };
    private static readonly Dictionary<int, string> DecDigits =
    new Dictionary<int, string>() { { 0, "" }, { 1, "拾" }, { 2, "佰" }, { 3, "仟" }, { 5, "万" } };

    public static string ToUpper(double price) {
    var sb = new StringBuilder();

    int nDigits = (int)Math.Floor(Math.Log10(Math.Abs(price))) + 1;
    var qianPart = (long)(price % 10000);
    var wanPart = ((long)(price % 100000000) - qianPart) / 10000;
    var yiPart = ((long)(price % 100000000000) - qianPart - wanPart) / 100000000;
    var integerPart = yiPart * 100000000 + wanPart * 10000 + qianPart;
    var decPart = (long)(price * 100) % 100;

    //处理亿的部分
    if (price > 99999999.99) {
    ParseInteger(sb, yiPart);
    sb.Append("亿");
    }

    //处理万的部分
    if (price > 9999.99) {
    if (price > 99999999.99 && wanPart > 0 && wanPart <= 999) {
    sb.Append("零");
    }
    ParseInteger(sb, wanPart);
    sb.Append("万");
    }

    //处理千及以后的部分
    if (price > 9999.99 && qianPart > 0 && qianPart <= 999) {
    sb.Append("零");
    }
    ParseInteger(sb, qianPart);
    sb.Append("元");

    ParseDecimal(sb, decPart);

    return sb.ToString();
    }

    private static void ParseDecimal(StringBuilder sb, long decPart) {
    if (decPart <= 0) {
    sb.Append("整");
    }
    else {
    if (decPart > 0) {
    var jiao = decPart / 10;
    var fen = decPart % 10;
    if (jiao > 0) {
    sb.Append(RmbDigits[jiao]);
    sb.Append("角");
    }
    if (jiao == 0 && fen > 0) {
    sb.Append("零");
    }
    if (fen > 0) {
    sb.Append(RmbDigits[fen]);
    sb.Append("分");
    }
    else {
    sb.Append("整");
    }
    }
    }
    }

    private static void ParseInteger(StringBuilder sb, long value) {
    var u = Math.Abs(value);
    int nDigits = (int)Math.Floor(Math.Log10(u)) + 1;
    long lastDigit = -1;
    for (var i = 0; i < nDigits; i++) {
    var factor = (long)Math.Pow(10, nDigits - 1 - i);
    var digit = u / factor;

    //几种情况
    //遇到零先跳过，下次循环再处理
    var skipSpec = false;
    if (digit == 0 && i < nDigits - 1) {
    skipSpec = true;
    } //最后一位是0，则不能转换为“零”
    else if (digit == 0 && i >= nDigits - 1) {
    skipSpec = false;
    }//连续两位都是 0，则只出一个零
    else if (lastDigit == 0 && digit == 0 && i < nDigits - 1) {
    sb.Append(RmbDigits[digit]);
    skipSpec = true;
    }
    else {
    sb.Append(RmbDigits[digit]);
    skipSpec = false;
    }

    if (!skipSpec) {
    var f1 = nDigits - i - 1;
    if (DecDigits.ContainsKey(f1)) {
    sb.Append(DecDigits[f1]);
    }
    }

    u -= u / factor * factor;
    lastDigit = digit;
    }
    }

    }

    }