using System.Data.SqlClient;
using System.IO;
using System.Configuration;

namespace 錶轉txt txt轉表
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private static string path = ConfigurationManager.AppSettings["path"].ToString().Trim();
        private
 
 static string daochu = ConfigurationManager.AppSettings["daochu"].ToString().Trim();
        private static string daoru = ConfigurationManager.AppSettings["daoru"].ToString().Trim();

        private void Form1_Load(object sender, EventArgs e)
        {
            #region  將資料庫中的表匯出成.txt格式的檔案
            string
 
 txt = "";
            SqlConnection sqlcon = new SqlConnection(daochu);
            sqlcon.Open();
            string tt = "select * from Permissions";
            SqlDataAdapter sda = new SqlDataAdapter(tt, sqlcon);
            DataTable dt = new DataTable();
            try
            {
                sda.Fill(dt);
                if
 
 (dt.Rows.Count > 0)
                {
                    for (int i = 0; i < dt.Rows.Count; i++)
                    {
                        for (int j = 0; j < dt.Columns.Count; j++)
                        {
                            if (j == (dt.Columns.Count - 1))
                            {
                                txt += "" + dt.Rows[i][j].ToString().Trim() + "";
                            }
                            else
                            {
                                txt += "" + dt.Rows[i][j].ToString().Trim() + "|";
                            }
                        }
                        Login(txt);
                        txt = "";
                    }
                }
                MessageBox.Show("成功匯出檔案");
            }
            catch (Exception ex)
            {
                MessageBox.Show("未能成功匯出檔案");
            }
            sqlcon.Close();
            dt.Dispose();
            #endregion
            Reader();
        }

        public void Reader()
        {
            #region  將.txt格式檔案匯入成資料庫中的表

            SqlConnection conn = new SqlConnection(daoru);
            conn.Open();

            string se = "if not exists(select * from sysobjects where id=object_Id('HumanInformation.Permissions') )CREATE TABLE Permissions(PermissionsId VarChar(15),PermissionsName VarChar(15)) ";
            SqlCommand sa = new SqlCommand(se, conn);
            try
            {
                sa.ExecuteNonQuery();
            }
            catch (System.Data.SqlClient.SqlException ex)
            {
                Console.WriteLine(ex.Message);
            }
            conn.Close();
            Set();
            #endregion
        }

        public void Login(string txt)
        {
            string path = @"" + Form1.path + "";
            if (!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
            }

            string fp = path + "Permissions.txt";
            StringBuilder str = new StringBuilder();

            str.Append("" + txt + "");


            StreamWriter sw;
            if (!File.Exists(fp))
            {
                sw = File.CreateText(fp);
            }
            else
            {
                sw = File.AppendText(fp);
            }
            sw.WriteLine(str.ToString());
            sw.Close();
        }

        public void Set()
        {
            StreamReader sr = new StreamReader(new FileStream("" + path + "Permissions.txt", FileMode.Open, FileAccess.Read), System.Text.Encoding.Default);
            SqlConnection cn = new SqlConnection(daoru);
            string insertCmd = "insert into Permissions values (@id, @name)";
            char[] delimChar = new char[] { '|' };
            string[] split = null;
            string strTemp = sr.ReadLine();
            while (strTemp != null)
            {
                split = strTemp.Split(delimChar);
                SqlCommand cmd = new SqlCommand(insertCmd, cn);
                cmd.Parameters.Add("@id", SqlDbType.VarChar).Value = split[0];
                cmd.Parameters.Add("@name", SqlDbType.VarChar).Value = split[1];
                cn.Open();
                try
                {
                    cmd.ExecuteNonQuery();
                }
                catch (System.Data.SqlClient.SqlException ex)
                {
                    Console.WriteLine(ex.Message);
                }
                cn.Close();
                strTemp = sr.ReadLine();
            }
            MessageBox.Show("成功匯入資料庫");
            sr.Close();

        }
    }
}