最新個人所得稅計算器C#版源碼2012-2013

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

/// <summary>
/// TaxInfo 個人所得稅詳細信息
/// 版本：1.0
/// 官網： http://www.9aicai.com
/// 名稱：愛財個人所得稅計算器(C#版) 2012-2013
/// </summary>
public class TaxInfo
{
     public TaxInfo()
    {
         //
         // TODO: 在此處添加構造函數邏輯
         //
    }
     /// <summary>
     /// 工資收入
     /// </summary>
     public decimal Income
    {
         set;
         get;
    }
     /// <summary>
     /// 納稅人員類型，是否外籍人士
     /// </summary>
     public bool IsForeign
    {
         set;
         get;
    }
     /// <summary>
     /// 五險一金
     /// </summary>
     public decimal Golds
    {
         set;
         get;
    }
     /// <summary>
     /// 個人所得稅起征點
     /// </summary>
     public decimal StartPoint
    {
         set;
         get;
    }
     /// <summary>
     /// 應納稅所得額
     /// </summary>
     public decimal TaxableIncome
    {
         set;
         get;
    }
     /// <summary>
     /// 適用稅率
     /// </summary>
     public decimal Rate
    {
         set;
         get;
    }
     /// <summary>
     /// 速算扣除數
     /// </summary>
     public decimal Deduct
    {
         set;
         get;
    }
     /// <summary>
     /// 應納稅額
     /// </summary>
     public decimal Tax
    {
         set;
         get;
    }
     /// <summary>
     /// 稅后收入
     /// </summary>
     public decimal IncomeAfterTax
    {
         set;
         get;
    }
}

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

/// <summary>
/// TaxManager 個人所得稅的計算處理
/// 版本：1.0
/// 官網： http://www.9aicai.com
/// 名稱：愛財個人所得稅計算器(C#版) 2012-2013
/// </summary>
public class TaxManager
{
     public TaxManager()
    {
         //
         // TODO: 在此處添加構造函數邏輯
         //
    }
     /// <summary>
     /// 計算個人所得稅
     /// </summary>
     /// <param name="income"> 工資收入 </param>
     /// <param name="golds"> 五險一金 </param>
     /// <param name="isForeign"> 是否是外籍人員 </param>
     /// <returns> 個人所得稅計算結果 </returns>
     public static TaxInfo Calc( decimal income, decimal golds, bool isForeign)
    {
        TaxInfo taxInfo = new TaxInfo();
        taxInfo.Income = income;
        taxInfo.Golds = golds;
        taxInfo.IsForeign = isForeign;
         // 國內人員與外籍人員的起征點是不一樣的，
        taxInfo.StartPoint = taxInfo.IsForeign ? 4800 : 3500;
        taxInfo.TaxableIncome = taxInfo.Income - taxInfo.Golds - taxInfo.StartPoint;
         decimal rate, deduct;
         // 不需要納稅，應納稅額小於等於0
         if (taxInfo.TaxableIncome <= 0)
        {
            taxInfo.Rate = 0;
            taxInfo.Deduct = 0;
            taxInfo.Tax = 0;
            taxInfo.IncomeAfterTax = taxInfo.Income;
        } // 下面是需要納稅部分
         else
        {
             // 獲取對應的稅率與速算扣除數
            getRateAndDeduct(taxInfo.TaxableIncome, out rate, out deduct);
            taxInfo.Rate = rate;
            taxInfo.Deduct = deduct;
            taxInfo.Tax = taxInfo.TaxableIncome * taxInfo.Rate - taxInfo.Deduct;
            taxInfo.IncomeAfterTax = taxInfo.Income - taxInfo.Golds - taxInfo.Tax;
        }
         return taxInfo;
    }

     /// <summary>
     /// 獲取對應的稅率與速算扣除數，采用最新七級超額累進個人所得稅稅率表
     /// </summary>
     /// <param name="taxableIncome"> 應納稅所得額 </param>
     /// <param name="rate"> 適用稅率 </param>
     /// <param name="deduct"> 速算扣除數 </param>
     private static void getRateAndDeduct( decimal taxableIncome, out decimal rate, out decimal deduct)
    {
         if (taxableIncome <= 1500)
        {
            rate = 3; deduct = 0;
        }
         else if (taxableIncome > 1500 && taxableIncome <= 4500)
        {
            rate = 10; deduct = 105;
        }
         else if (taxableIncome > 4500 && taxableIncome <= 9000)
        {
            rate = 20; deduct = 555;
        }
         else if (taxableIncome > 9000 && taxableIncome <= 35000)
        {
            rate = 25; deduct = 1005;
        }
         else if (taxableIncome > 35000 && taxableIncome <= 55000)
        {
            rate = 30; deduct = 2755;
        }
         else if (taxableIncome > 55000 && taxableIncome <= 80000)
        {
            rate = 35; deduct = 5505;
        }
         else
        {
            rate = 45; deduct = 13505;
        }
    }
}

最新個人所得稅計算器C#版 源碼2012-2013

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最新個人所得稅計算器C#版源碼2012-2013