c# 之五行地支

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace 求余数
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            int years = int.Parse(this.textBox1.Text);
            this.textBox2.Text = (years % 12).ToString();
            switch (this.textBox2.Text) 
            {
                case "4":
                    this.label4.Text = "子-五行:阳水";
                    break;
                case "5":
                    this.label4.Text = "丑-五行:阴土";
                    break;
                case "6":
                    this.label4.Text = "寅-五行:阳木";
                    break;
                case "7":
                    this.label4.Text = "卯-五行:阴木";
                    break;
                case "8":
                    this.label4.Text = "辰-五行:阳土";
                    break;
                case "9":
                    this.label4.Text = "巳-五行:阴火";
                    break;
                case "10":
                    this.label4.Text = "午-五行:阳火";
                    break;
                case "11":
                    this.label4.Text = "未-五行:阴土";
                    break;
                case "0":
                    this.label4.Text = "申-五行:阳金";
                    break;
                case "1":
                    this.label4.Text = "酉-五行:阴金";
                    break;
                case "2":
                    this.label4.Text = "戌-五行:阳土";
                    break;
                case "3":
                    this.label4.Text = "亥-五行:阴水";
                    break;
                    
            }
        }
    }
}

　　

子 阳水 4
丑 阴土 5
寅 阳木 6
卯 阴木 7
辰 阳土 8
巳 阴火 9
午 阳火 10
未 阴土 11
申 阳金 0
酉 阴金 1
戌 阳土 2
亥 阴水 3

甲 阳木 4
已 阴木 5

丙 阳火 6
丁 阴火 7

戊 阳土 8
己 阴土 9

庚 阳金 0
辛 阴金 1

壬 阳水 2
葵 阴水 3