static void ExportSqlite2Csv(AcquisitionConfig config)
{
string fileName = config.id + "-" + config.type + ".csv";
string sqlStatement = "select Stamp,Value from " + config.table + " where SensorId='" + config.id + "' and Type='" + config.type + "' order by Stamp asc";
StreamWriter sw = new StreamWriter(fileName, true); //true表示如果a.txt文件已存在，则以追加的方式写入
SQLiteConnection conn = null;
int i = 0;
try
{
conn = new SQLiteConnection(config.connectionString);
conn.Open();
SQLiteCommand command = new SQLiteCommand(sqlStatement, conn);
SQLiteDataReader reader = command.ExecuteReader();
while (reader.Read())
{
string stamp = reader.GetString(0);
string value = reader.GetFloat(1).ToString();
string record = stamp + "," + value;
sw.WriteLine(record);
}
conn.Close();
sw.Close();
}
catch (Exception ex)
{
sw.Close();
conn.Close();
Console.WriteLine(ex.Message);
}
}
static void ExportSqlServer2Csv(AcquisitionConfig config)
{
string fileName = config.id + "-" + config.type + ".csv";
//string connectionString = "Data Source = " + textBoxIP.Text + ";Network Library = DBMSSOCN;Initial Catalog = " + textBoxDatabase.Text + ";User ID = " + textBoxUser.Text + ";Password = "******"Data Source = 192.168.100.153;Network Library = DBMSSOCN;Initial Catalog = BridgeMonitoring;User ID = bridge_user;Password = 123456";
string sqlStatement = "select Stamp,Value from " + config.table + " where SensorId='" + config.id + "' and Type='" + config.type + "' order by Stamp asc";
StreamWriter sw = new StreamWriter(fileName, true); //true表示如果a.txt文件已存在，则以追加的方式写入
using (SqlConnection connection = new SqlConnection(config.connectionString))
{
connection.Open();
SqlCommand command = new SqlCommand(sqlStatement, connection);
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
string stamp = reader.GetDateTime(0).ToString();
string value = reader.GetDouble(1).ToString();
string record = stamp + "," + value;
sw.WriteLine(record);
}
reader.Close();
}
connection.Close();
}
}
static void Initialize(List <AcquisitionConfig> list, string configName)
{
StreamReader sr = new StreamReader(configName, Encoding.UTF8);
string line;
string connectionString = "";
int i = 0;
char[] chs = { ',' };
while ((line = sr.ReadLine()) != null)
{
if (i == 0)
{
connectionString = line;
i++;
}
else
{
string[] items = line.Split(chs);
AcquisitionConfig config = new AcquisitionConfig(items[0], items[1], items[2], connectionString);
list.Add(config);
}
}
sr.Close();
}
