種子論壇 | 高雄市資訊培育協會學員討論區

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Collections;
namespace CSA05
{
class CSA05
{
static void Main(string[] args)
{
try
{
int row = Convert.ToInt32(Console.ReadLine());
if (row < 1 || row > 13) { throw new Exception(); }
StringBuilder new_data = new StringBuilder();
string del_name = "";
using (StreamReader sr = new StreamReader(AppDomain.CurrentDomain.BaseDirectory + "/read.txt", Encoding.UTF8))
{
while (!sr.EndOfStream)
{
string line = sr.ReadLine();
string[] student = line.Split(',');
if(student[0].ToString() != row.ToString())
{
new_data.AppendLine(line);
}
else
{
del_name = student[1].ToString();
}
}
}
StreamWriter sw = new StreamWriter(AppDomain.CurrentDomain.BaseDirectory + "/write.txt", false, Encoding.UTF8);
sw.Write(new_data);
sw.Close();
Console.Write("Delete:{0} {1}",row,del_name);
}
catch
{
Console.Write("error");
}
Console.ReadKey();
}
}
}

複製代碼