计算个人所得税代码,CSharp代码库,德仔网

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【CSharp】计算个人所得税

作者: / 发布于2010/12/31/ 581

计算个人所得税

<div>/计算个人所得税按钮单击事件
 private void button2_Click(object sender, EventArgs e)
 {
 if (t_wage.Text.Trim().Length == 0)
 return;
 //工资上缴个人所得税表 （工资－1600） 之后的起始、终止、税率、减除额
 ArrayList taxTables = new ArrayList();
 taxTables.Add(new TaxTable(0, 500, 5, 0));
 taxTables.Add(new TaxTable(500, 2000, 10, 25));
 taxTables.Add(new TaxTable(2000, 5000, 15, 125));
 taxTables.Add(new TaxTable(5000, 20000, 20,375));
 taxTables.Add(new TaxTable(20000, 40000, 25, 1375));
 taxTables.Add(new TaxTable(40000,60000, 30, 3375));
 taxTables.Add(new TaxTable(60000, 80000, 35, 6375));
 taxTables.Add(new TaxTable(80000, 100000, 40, 10375));
 taxTables.Add(new TaxTable(100000, double.MaxValue, 45, 15375));
 msg.ForeColor = Color.Tomato;
 try
 {
 double wage = double.Parse(t_wage.Text);
 double wage_Tax=wage-1600;
 double tax=0;
 foreach (TaxTable tb in taxTables)
 {
 if(wage_Tax>tb.tax_low&&wage_Tax<=tb.tax_up)
 {
 tax = wage_Tax * tb.taxRate / 100 - tb.deduct;
 break;
 }
 }
 double remain = wage - tax;
 msg.Text = "税前工资：" + t_wage.Text + "元\r\n" +
 "税后工资：" + remain.ToString() + "元\r\n" +
 "应交个人所得税：" + tax.ToString() + "元";
 }
 catch (Exception ex)
 {
 msg.Text = ex.Message;
 }
 }
 /// <summary>
 /// 存放个人所得税税率表的类
 /// </summary>
 class TaxTable
 {
 public double tax_low; //工资－1600后
 public double tax_up; //工资－1600后
 public int taxRate; //取值范围0--100
 public int deduct; //减除额
 public TaxTable(double Ptax_low, double Ptax_up, int PtaxRate, int Pdeduct)
 {
 tax_low = Ptax_low;
 tax_up = Ptax_up;
 taxRate = PtaxRate;
 deduct = Pdeduct;
 }
 }
</div>

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