账单1.0

首个程序

using System;

using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Security.Cryptography.X509Certificates;

namespace Test1
{
    class Program
    {

        class Txthander// 操作TXT文件类
        {

            //public string txtFullName;
            //public string TxtFullNamE
            //{
            //   set
            //    {
            //        txtFullName = value;
                 
            //    }
            //    get
            //    { return txtFullName; }

            //}

           
            //readonly string filename = Convert.ToString(Console.ReadLine()); //获取完整路径
           public string filename = @"J:\a.txt";
          
            public void GetAlltext()//方法：读取文件中的所有内容
            {
                string str1 = File.ReadAllText(filename);
                Console.WriteLine(str1);
            }
            public void GetFirstLine()//读取文件中的第一行
            {
                string[] strs1 = File.ReadAllLines(filename);
                int a = strs1.Length;
               
                Console.WriteLine("首行：" + strs1[0]);
                char[] seperator = { ' ' };
                string[] valuegroup = strs1[0].Split(seperator);

            }
            public void GetFinalLine()//读取最后一行字符
            {
                string[] strs1 = File.ReadAllLines(filename);
                int a = strs1.Length;
           
                Console.WriteLine("末行："+ strs1[a-1]);
             }
            public void Streamread1() //全读出???
            {
                StreamReader sR1 = File.OpenText(filename);

                string nextline;

                while((nextline=sR1.ReadLine())!=null)
                {
                   Console.WriteLine(nextline);
                }
                sR1.Close();
            }

            public void Streamread() //全读出????
            {
                StreamReader sR = File.OpenText(filename);
                string nextLine;
                while ((nextLine = sR.ReadLine()) != null)
                {
                    Console.WriteLine(nextLine);
                }
                sR.Close();
            }
            public void WriteStringOverride() //内容写入文件且完全覆盖原TXT内的内容
            {
                Console.WriteLine("please input string what you want to write");
                string str = Console.ReadLine();
                File.WriteAllText( filename, str);
            }
            public  void WriteAfterFinalLine()//最后一行写入内容,不覆盖原来的内容
            {
                StreamWriter sw = new StreamWriter(filename, true);
                Console.WriteLine("Please input what your want to input in the final line");
                sw.WriteLine(Console.ReadLine());
                sw.Close();
            }
            public void TransferToNumber()//将最后一行的内容转化成独立的数字数组
            {
                string[] strs1 = File.ReadAllLines(filename);
                int a = strs1.Length;
                Console.WriteLine("最后一行是：" + strs1[a - 1]);
                char[] seperator = { ' ' };
                string[] valuegroup = strs1[a - 1].Split(seperator);

            }
        }
        enum Bank
        {
            Alipay,
            AlipayFix,
            SuzhouBank,
            PuFaBank,
            ZhaoShangBank,
            GuPiao,
            ToWangRule,
            Others,
            House,
            Outer
        }//
        class ZhangDan:Txthander
        {

            public void CheckMoney()//进行不同账户中的金额转移
            {
                string[] strs1 = File.ReadAllLines(filename);
                int a = strs1.Length;
                char[] seperator = { ' ' };
                string[] valuegroup = strs1[a - 1].Split(seperator);//获取最后一行的数组
                Console.WriteLine("Select the Source");
                int sourceIndex = Convert.ToInt32(Console.ReadLine()) - 1;//源的序列号
                double sourcePosition = Convert.ToDouble(valuegroup[sourceIndex]); //取出位置的初始值

                Console.WriteLine("Select the target");
                int targetIndex = Convert.ToInt32(Console.ReadLine()) - 1;//目标的序列号
                double targetPosition = Convert.ToDouble(valuegroup[targetIndex]);//放入位置的值初始值
                Console.WriteLine("Input the number that you want transfer");
                double numberTotransfer = Convert.ToDouble(Console.ReadLine());//想要处理的值
                sourcePosition -= numberTotransfer;
                targetPosition += numberTotransfer;

                valuegroup[sourceIndex] = Convert.ToString(sourcePosition);// 将更新后值赋给源位置
                valuegroup[targetIndex] = Convert.ToString(targetPosition);//将更新后的值赋给目标位置
                string newValueGroup;
              

                //以下为计算total的值
                double totalValue = 0;
                for (int i = 0; i < valuegroup.Length-1; i++)
                {
                   totalValue+= Convert.ToDouble(valuegroup[i]);
                }
                //Console.WriteLine("total"+valuegroup[valuegroup.Length-1]);
                valuegroup[valuegroup.Length - 1] = Convert.ToString(totalValue);

 

                newValueGroup = string.Join(" ", valuegroup);
                StreamWriter sw = new StreamWriter(filename, true);//将
                Console.WriteLine("Please input what your want to input in the final line");
                sw.WriteLine(newValueGroup);
                sw.Close();

            }

        }
        static void Main(string[] args)
        {

            var ta = new ZhangDan();
            ta.GetFirstLine();
            ta.GetFinalLine();
            ta.CheckMoney();

            Console.WriteLine("now your money is:");
            ta.GetFirstLine();
            ta.GetFinalLine();

            Console.ReadKey();
        }
    }
}