using System;
using System.Collections;
using System.Data;
using System.Data.SqlClient;
namespace RxjhServer.DbClss
{
public class DBA
{
public static void serlog(string txt)
{
string sqlJl = World.SqlJl;
if (sqlJl.Length == 0)
{
return;
}
string text = sqlJl;
char[] separator = new char[1] { '|' };
string[] array = text.Split(separator);
string[] array2 = array;
string[] array3 = array2;
foreach (string text2 in array3)
{
if (txt.ToLower().IndexOf(text2.ToLower()) != -1)
{
Form1.WriteLine(99, txt);
}
}
}
public static void serlog(string txt, SqlParameter[] prams)
{
string sqlJl = World.SqlJl;
if (sqlJl.Length == 0)
{
return;
}
string[] array = sqlJl.Split('|');
for (int i = 0; i < array.Length; i++)
{
if (txt.ToLower().IndexOf(array[i].ToLower()) != -1)
{
Form1.WriteLine(99, txt);
}
}
for (int j = 0; j < array.Length; j++)
{
foreach (SqlParameter sqlParameter in prams)
{
if (sqlParameter.SqlValue.ToString().ToLower().IndexOf(array[j].ToLower()) != -1)
{
Form1.WriteLine(99, txt + " " + sqlParameter.SqlValue.ToString());
}
}
}
}
public static void Setlog(string txt, SqlParameter[] prams, Exception ex)
{
Form1.WriteLine(100, "-----------DBA数据层_错误-----------");
Form1.WriteLine(100, txt);
if (prams != null)
{
foreach (SqlParameter sqlParameter in prams)
{
Form1.WriteLine(100, sqlParameter.SqlValue.ToString());
}
}
Form1.WriteLine(100, ex.Message);
}
public static string getstrConnection(string db)
{
try
{
if (db == null)
{
db = "GameServer";
}
World.sql = (World.Db.TryGetValue(db, out var value) ? value.SqlConnect : null);
DbClass value2;
return World.Db.TryGetValue(db, out value2) ? value2.SqlConnect : null;
}
catch
{
return null;
}
}
public static int ExeSqlCommand(string sqlCommand, SqlParameter[] prams)
{
serlog(sqlCommand, prams);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlCommand sqlCommand2 = SqlDBA.CreateCommandSql(sqlConnection, sqlCommand, prams);
int result = -1;
try
{
sqlConnection.Open();
}
catch
{
return -1;
}
try
{
result = sqlCommand2.ExecuteNonQuery();
}
catch (Exception ex)
{
Setlog(sqlCommand, prams, ex);
}
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
public static int ExeSqlCommand(string sqlCommand, SqlParameter[] prams, string server)
{
serlog(sqlCommand, prams);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(server));
using SqlCommand sqlCommand2 = SqlDBA.CreateCommandSql(sqlConnection, sqlCommand, prams);
int result = -1;
try
{
sqlConnection.Open();
}
catch
{
return -1;
}
try
{
result = sqlCommand2.ExecuteNonQuery();
}
catch (Exception ex)
{
Setlog(sqlCommand, prams, ex);
}
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
public static int ExeSqlCommand(string sqlCommand)
{
serlog(sqlCommand);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlCommand sqlCommand2 = new SqlCommand(sqlCommand, sqlConnection);
int result = -1;
try
{
sqlConnection.Open();
}
catch
{
return -1;
}
try
{
result = sqlCommand2.ExecuteNonQuery();
}
catch (Exception ex)
{
Setlog(sqlCommand, null, ex);
}
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
public static int ExeSqlCommand(string sqlCommand, string server)
{
serlog(sqlCommand);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(server));
using SqlCommand sqlCommand2 = new SqlCommand(sqlCommand, sqlConnection);
int result = -1;
try
{
sqlConnection.Open();
}
catch
{
return -1;
}
try
{
result = sqlCommand2.ExecuteNonQuery();
}
catch (Exception ex)
{
Setlog(sqlCommand, null, ex);
}
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
public static int ExeSqlCommand(string sqlCommand, ref Exception exception, string db)
{
serlog(sqlCommand);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlCommand sqlCommand2 = new SqlCommand(sqlCommand, sqlConnection);
try
{
sqlConnection.Open();
}
catch (Exception ex)
{
Exception ex2 = (exception = ex);
return -1;
}
int result = sqlCommand2.ExecuteNonQuery();
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
public static DataTable GetDBToDataTable(string sqlCommand, SqlParameter[] prams)
{
serlog(sqlCommand, prams);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
SqlCommand sqlCommand5 = (sqlDataAdapter.SelectCommand = SqlDBA.CreateCommandSql(sqlConnection, sqlCommand, prams));
SqlCommand sqlCommand2 = sqlCommand5;
SqlCommand sqlCommand3 = sqlCommand2;
using (sqlCommand3)
{
try
{
sqlConnection.Open();
}
catch (Exception ex)
{
Form1.WriteLine(100, "DBA数据层_错误" + ex.Message + " " + sqlCommand);
return null;
}
DataTable dataTable = new DataTable();
try
{
sqlDataAdapter.Fill(dataTable);
}
catch (Exception ex2)
{
Setlog(sqlCommand, prams, ex2);
}
sqlDataAdapter.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return dataTable;
}
}
public static DataTable GetDBToDataTable(string sqlCommand, SqlParameter[] prams, string server)
{
serlog(sqlCommand, prams);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(server));
using SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
SqlCommand sqlCommand5 = (sqlDataAdapter.SelectCommand = SqlDBA.CreateCommandSql(sqlConnection, sqlCommand, prams));
SqlCommand sqlCommand2 = sqlCommand5;
SqlCommand sqlCommand3 = sqlCommand2;
using (sqlCommand3)
{
try
{
sqlConnection.Open();
}
catch (Exception ex)
{
Form1.WriteLine(100, "DBA数据层_错误" + ex.Message + " " + sqlCommand);
return null;
}
DataTable dataTable = new DataTable();
try
{
sqlDataAdapter.Fill(dataTable);
}
catch (Exception ex2)
{
Setlog(sqlCommand, prams, ex2);
}
sqlDataAdapter.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return dataTable;
}
}
public static DataTable GetDBToDataTable(string sqlCommand)
{
serlog(sqlCommand);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
SqlCommand sqlCommand5 = (sqlDataAdapter.SelectCommand = new SqlCommand(sqlCommand, sqlConnection));
SqlCommand sqlCommand2 = sqlCommand5;
SqlCommand sqlCommand3 = sqlCommand2;
using (sqlCommand3)
{
try
{
sqlConnection.Open();
}
catch (Exception ex)
{
Form1.WriteLine(100, "DBA数据层_错误" + ex.Message + " " + sqlCommand);
return null;
}
DataTable dataTable = new DataTable();
try
{
sqlDataAdapter.Fill(dataTable);
}
catch (Exception ex2)
{
Setlog(sqlCommand, null, ex2);
}
sqlDataAdapter.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return dataTable;
}
}
public static DataTable GetDBToDataTable(string sqlCommand, string server)
{
serlog(sqlCommand);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(server));
using SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
SqlCommand sqlCommand5 = (sqlDataAdapter.SelectCommand = new SqlCommand(sqlCommand, sqlConnection));
SqlCommand sqlCommand2 = sqlCommand5;
SqlCommand sqlCommand3 = sqlCommand2;
using (sqlCommand3)
{
try
{
sqlConnection.Open();
}
catch
{
return null;
}
DataTable dataTable = new DataTable();
try
{
sqlDataAdapter.Fill(dataTable);
}
catch (Exception ex)
{
Setlog(sqlCommand, null, ex);
}
sqlDataAdapter.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return dataTable;
}
}
public static DataRowCollection GetDBValue(string sqlCommand, string db)
{
return GetDBToDataTable(sqlCommand).Rows;
}
public static ArrayList GetDBValue_1(string sqlCommand, string db)
{
serlog(sqlCommand);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlCommand sqlCommand2 = new SqlCommand(sqlCommand, sqlConnection);
try
{
sqlConnection.Open();
}
catch
{
return null;
}
SqlDataReader sqlDataReader = sqlCommand2.ExecuteReader();
if (!sqlDataReader.HasRows)
{
sqlDataReader.Close();
sqlDataReader.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return null;
}
ArrayList arrayList = new ArrayList();
if (sqlDataReader.Read())
{
for (int i = 0; i < sqlDataReader.FieldCount; i++)
{
arrayList.Add(sqlDataReader[i]);
}
}
sqlDataReader.Close();
sqlDataReader.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
sqlCommand2.Dispose();
return arrayList;
}
public static ArrayList GetDBValue_2(string sqlCommand, string db)
{
serlog(sqlCommand);
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlCommand sqlCommand2 = new SqlCommand(sqlCommand, sqlConnection);
try
{
sqlConnection.Open();
}
catch
{
return null;
}
SqlDataReader sqlDataReader = sqlCommand2.ExecuteReader();
if (!sqlDataReader.HasRows)
{
sqlDataReader.Close();
sqlDataReader.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return null;
}
ArrayList arrayList = new ArrayList();
while (sqlDataReader.Read())
{
arrayList.Add(sqlDataReader[0]);
}
sqlDataReader.Close();
sqlDataReader.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
sqlCommand2.Dispose();
return arrayList;
}
public static object GetDBValue_3(string sqlCommand)
{
serlog(sqlCommand);
object result = null;
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlCommand sqlCommand2 = new SqlCommand(sqlCommand, sqlConnection);
try
{
sqlConnection.Open();
}
catch
{
return null;
}
try
{
result = sqlCommand2.ExecuteScalar();
}
catch (Exception ex)
{
Form1.WriteLine(100, "DBA数据层_错误" + ex.Message + " " + sqlCommand);
}
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
public static object GetDBValue_3(string sqlCommand, SqlParameter[] prams)
{
serlog(sqlCommand, prams);
object result = null;
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(null));
using SqlCommand sqlCommand2 = SqlDBA.CreateCommandSql(sqlConnection, sqlCommand, prams);
try
{
sqlConnection.Open();
}
catch
{
return null;
}
try
{
result = sqlCommand2.ExecuteScalar();
}
catch (Exception ex)
{
Form1.WriteLine(100, "DBA数据层_错误" + ex.Message + " " + sqlCommand);
}
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
public static object GetDBValue_3(string sqlCommand, string db)
{
serlog(sqlCommand);
object result = null;
using SqlConnection sqlConnection = new SqlConnection(getstrConnection(db));
using SqlCommand sqlCommand2 = new SqlCommand(sqlCommand, sqlConnection);
try
{
sqlConnection.Open();
}
catch
{
return null;
}
try
{
result = sqlCommand2.ExecuteScalar();
}
catch (Exception ex)
{
Form1.WriteLine(100, "DBA数据层_错误" + ex.Message + " " + sqlCommand);
}
sqlCommand2.Dispose();
sqlConnection.Close();
sqlConnection.Dispose();
return result;
}
}
}
这是我的DBA类
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本文详细介绍了如何通过SQLCommand及其参数集合与数据库进行交互，包括如何使用不同的命令（如SelectCommand, InsertCommand等）来执行数据库操作，并讨论了如何通过DataAdapter的Update方法更新数据源。
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