/// <summary>
 /// 执行Sql语句并返回 SQLiteDataReader
 /// </summary>
 /// <param name="sql"></param>
 /// <returns></returns>
 public static SQLiteDataReader ExecuteReader(string sql)
 {
     try
     {
         using (SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection))
         {
             return(command.ExecuteReader());
         }
     }
     catch (System.Exception ex)
     {
         LogsHelper.WriteLog("ExecuteNonQuery()", LogsEnum.Error, ex);
         return(null);
     }
 }
 /// <summary>
 /// 执行sql语句,并返回操作结果
 /// </summary>
 /// <param name="sql"></param>
 /// <returns></returns>
 public static int ExecuteNonQuery(string sql)
 {
     try
     {
         using (SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection))
         {
             return(command.ExecuteNonQuery());
         }
     }
     catch (Exception ex)
     {
         LogsHelper.WriteLog("ExecuteNonQuery()", LogsEnum.Error, ex);
         return(-1);
     }
 }