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初始化版本

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LL
2025-11-14 16:12:32 +08:00
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SLC1-N/NGDatabase.cs Normal file
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using ADOX;
using System;
using System.Data.OleDb;
using System.IO;
namespace SLC1_N
{
class NGDatabase
{
/// <summary>
/// 判断是否有数据库，没有就新建
/// </summary>
public static void AddDatabase()
{
//判断所选路径是否有文件
string filepath = System.Environment.CurrentDirectory + "\\Config\\NGCode\\CheckCode.mdb";
if (!File.Exists(filepath))
{
string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\NGCode\\CheckCode.mdb;";
OleDbConnection con = new OleDbConnection(constr);
string filepath2 = System.Environment.CurrentDirectory + "\\Config\\NGCode\\";
Directory.CreateDirectory(filepath2);//新建文件夹
Catalog Product = new Catalog();
Product.Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + System.Environment.CurrentDirectory + "\\Config\\NGCode\\CheckCode.mdb;Jet OLEDB:Engine Type=5;");
con.Open();
string sql = "CREATE TABLE NGCode ([条码] VarChar(50),[NG次数] VarChar(20))";
OleDbCommand cmd = new OleDbCommand(sql, con);
cmd.ExecuteNonQuery();
con.Close();
}
}
/// <summary>
/// NG的条码，添加进数据库里
/// </summary>
/// <param name="NGCode"></param>
public static int ADDDATA(string NGCode)
{
//Boolean add = true;
//List<string> code = new List<string>();
//string filepath = System.Environment.CurrentDirectory + "\\Config\\NGCode\\NGCode.mdb";
string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\NGCode\\CheckCode.mdb;";
OleDbConnection con = new OleDbConnection(constr);
con.Open();
//string sql2 = "SELECT * FROM NGCode";
string sql2 = "SELECT * FROM NGCode WHERE 条码='" + NGCode + "'";
OleDbCommand cmd2 = new OleDbCommand(sql2, con);
OleDbDataReader ngcodeinform = cmd2.ExecuteReader();
string ngnum = null;
while (ngcodeinform.Read())
{
//Account.Text = Convert.ToString(ngcodeinform["条码"]);
ngnum = Convert.ToString(ngcodeinform["NG次数"]);
}
ngcodeinform.Close();
con.Close();
if (String.IsNullOrEmpty(ngnum))
{
con.Open();
string sql3 = " INSERT INTO NGCode(条码, NG次数) VALUES('" + NGCode + "', '" + 1 + "')";
OleDbCommand cmd3 = new OleDbCommand(sql3, con);
cmd3.ExecuteNonQuery();
con.Close();
return 1;
}
else
{
int num = Convert.ToInt32(ngnum);
if (num == 1)
{
con.Open();
string sql4 = " UPDATE NGCode SET NG次数='" + 2 + "' where 条码='" + NGCode + "'";
OleDbCommand cmd4 = new OleDbCommand(sql4, con);
cmd4.ExecuteNonQuery();
con.Close();
return 2;
}
else if (num == 2)
{
con.Open();
string sql5 = "DELETE FROM NGCode WHERE 条码='" + NGCode + "'";
OleDbCommand cmd5 = new OleDbCommand(sql5, con);
cmd5.ExecuteNonQuery();
con.Close();
return 3;
}
else
{
return num;
}
}
//OleDbDataReader codeinform = cmd2.ExecuteReader();
////下移游标，读取一行，如果没有数据了则返回false
//while (codeinform.Read())
//{
// code.Add(Convert.ToString(codeinform["条码"]));
//}
//codeinform.Close();
//con.Close();
////遍历账户，查看是否有重复的账号
//foreach (string ng in code)
//{
// if (NGCode == ng)
// {
// //add = false;
// CheckData();
// return;
// }
//}
//if (add is true)
//{
////string filepath = System.Environment.CurrentDirectory + "\\Config\\NGCode.mdb";
//string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\Users\\UsersInfo.mdb;";
//OleDbConnection con = new OleDbConnection(constr);
//}
}
/// <summary>
/// OK的条码，判断是否在数据库中有NG记录
/// </summary>
public static bool SelectData(string Code)
{
string constr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + System.Environment.CurrentDirectory + "\\Config\\NGCode\\CheckCode.mdb;";
OleDbConnection con = new OleDbConnection(constr);
con.Open();
//string sql2 = "SELECT * FROM NGCode";
string sql2 = "SELECT * FROM NGCode WHERE 条码='" + Code + "'";
OleDbCommand cmd2 = new OleDbCommand(sql2, con);
OleDbDataReader ngcodeinform = cmd2.ExecuteReader();
string ngnum = null;
while (ngcodeinform.Read())
{
//Account.Text = Convert.ToString(ngcodeinform["条码"]);
ngnum = Convert.ToString(ngcodeinform["NG次数"]);
}
ngcodeinform.Close();
con.Close();
if (String.IsNullOrEmpty(ngnum))
{
//con.Open();
//string sql3 = " INSERT INTO NGCode(条码, NG次数) VALUES('" + Code + "', " + 1 + ")";
//OleDbCommand cmd3 = new OleDbCommand(sql3, con);
//cmd3.ExecuteNonQuery();
//con.Close();
return true;
}
else
{
int num = Convert.ToInt32(ngnum);
if (num > 0)
{
con.Open();
string sql4 = "DELETE FROM NGCode WHERE 条码='" + Code + "'";
OleDbCommand cmd4 = new OleDbCommand(sql4, con);
cmd4.ExecuteNonQuery();
con.Close();
return false;
}
else
{
return true;
}
}
}
}
}