这是我的dillema ...我有一个目录，其中包含.txt逗号分隔文件，如下所示。我想要做的是将每个数据导入SQL或SQLite数据库，将每个数据库附加到最后一个数据库下面。 （1表）...我对C＃或VB脚本开放，只是不知道如何实现这一目标。我想只提取并导入数据，从'Feat。类型，壮举。姓名等'行。
这些存储在我的网络驱动器上的\ mynetwork \ directory \ stats文件夹中。理想情况下，我将能够添加一些功能，使软件/脚本知道在文件已经完成后也不会将文件重新添加到数据库中。
感谢任何指导或提示！
$$ SAMPLE=
$$ FIXTURE=-
$$ OPERATOR=-
$$ INSPECTION PROCESS=CMM #4
$$ PROCESS OPERATION=-
$$ PROCESS SEQUENCE=-
$$ TRIAL=-
Feat. Type,Feat. Name,Value,Actual,Nominal,Dev.,Tol-,Tol+,Out of Tol.,Comment
Point,_FF_PLN_A_1,X,-17.445,-17.445,0.000,-999.000,999.000,,
Point,_FF_PLN_A_1,Y,-195.502,-195.502,0.000,-999.000,999.000,,
Point,_FF_PLN_A_1,Z,32.867,33.500,-0.633,-0.800,0.800,,
Point,_FF_PLN_A_2,X,-73.908,-73.908,0.000,-999.000,999.000,,
Point,_FF_PLN_A_2,Y,-157.957,-157.957,0.000,-999.000,999.000,,
Point,_FF_PLN_A_2,Z,32.792,33.500,-0.708,-0.800,0.800,,
Point,_FF_PLN_A_3,X,-100.180,-100.180,0.000,-999.000,999.000,,
Point,_FF_PLN_A_3,Y,-142.797,-142.797,0.000,-999.000,999.000,,
Point,_FF_PLN_A_3,Z,32.768,33.500,-0.732,-0.800,0.800,,
Point,_FF_PLN_A_4,X,-160.945,-160.945,0.000,-999.000,999.000,,
Point,_FF_PLN_A_4,Y,-112.705,-112.705,0.000,-999.000,999.000,,
Point,_FF_PLN_A_4,Z,32.719,33.500,-0.781,-0.800,0.800,,
Point,_FF_PLN_A_5,X,-158.096,-158.096,0.000,-999.000,999.000,,
Point,_FF_PLN_A_5,Y,-73.821,-73.821,0.000,-999.000,999.000,,
Point,_FF_PLN_A_5,Z,32.756,33.500,-0.744,-0.800,0.800,,
Point,_FF_PLN_A_6,X,-195.670,-195.670,0.000,-999.000,999.000,,
Point,_FF_PLN_A_6,Y,-17.375,-17.375,0.000,-999.000,999.000,,
Point,_FF_PLN_A_6,Z,32.767,33.500,-0.733,-0.800,0.800,,
Point,_FF_PLN_A_7,X,-173.759,-173.759,0.000,-999.000,999.000,,
Point,_FF_PLN_A_7,Y,14.876,14.876,0.000,-999.000,999.000,,
答案 0 :(得分：1)
Directory.GetFiles(path, searchPattern)将获取该文件夹中的所有文件。将searchPattern设置为*.txt。
这将返回当前目录中的文件列表，因此您可以确保只处理每个文件一次。如果以后可以添加更多文件，只需在导入完成后将文件移动到“已处理”文件夹即可。
然后，您需要一次读取每个文件，直到您阅读“Feat.Type ...”，然后阅读每个后续行，拆分内容并添加到数据库。
您可以使用StreamReader.ReadLine()从文件中读取一行。
// Create an instance of StreamReader to read from a file.
// The using statement also closes the StreamReader.
using (StreamReader sr = new StreamReader("TestFile.txt"))
{
string line;
bool processLine = false;
// Read lines from the file until the end of the file is reached.
while ((line = sr.ReadLine()) != null)
{
if (processLine)
{
// Your processing here
}
// Check to see if we need to process the next lines
if (line.StartsWith("Feat. Type,"))
{
processLine = true;
}
}
答案 1 :(得分：1)
using System;
using System.Data;
using System.Data.SQLite;
using System.IO;
namespace CSVImport
{
internal class Program
{
private static void Main(string[] args)
{
using (SQLiteConnection con = new SQLiteConnection("data source=data.db3"))
{
if (!File.Exists("data.db3"))
{
con.Open();
using (SQLiteCommand cmd = con.CreateCommand())
{
cmd.CommandText =
@"
CREATE TABLE [Import] (
[RowId] integer PRIMARY KEY AUTOINCREMENT NOT NULL,
[FeatType] varchar,
[FeatName] varchar,
[Value] varchar,
[Actual] decimal,
[Nominal] decimal,
[Dev] decimal,
[TolMin] decimal,
[TolPlus] decimal,
[OutOfTol] decimal,
[Comment] nvarchar);";
cmd.ExecuteNonQuery();
}
con.Close();
}
con.Open();
using (SQLiteCommand insertCommand = con.CreateCommand())
{
insertCommand.CommandText =
@"
INSERT INTO Import (FeatType, FeatName, Value, Actual, Nominal, Dev, TolMin, TolPlus, OutOfTol, Comment)
VALUES (@FeatType, @FeatName, @Value, @Actual, @Nominal, @Dev, @TolMin, @TolPlus, @OutOfTol, @Comment);";
insertCommand.Parameters.Add(new SQLiteParameter("@FeatType", DbType.String));
insertCommand.Parameters.Add(new SQLiteParameter("@FeatName", DbType.String));
insertCommand.Parameters.Add(new SQLiteParameter("@Value", DbType.String));
insertCommand.Parameters.Add(new SQLiteParameter("@Actual", DbType.Decimal));
insertCommand.Parameters.Add(new SQLiteParameter("@Nominal", DbType.Decimal));
insertCommand.Parameters.Add(new SQLiteParameter("@Dev", DbType.Decimal));
insertCommand.Parameters.Add(new SQLiteParameter("@TolMin", DbType.Decimal));
insertCommand.Parameters.Add(new SQLiteParameter("@TolPlus", DbType.Decimal));
insertCommand.Parameters.Add(new SQLiteParameter("@OutOfTol", DbType.Decimal));
insertCommand.Parameters.Add(new SQLiteParameter("@Comment", DbType.String));
string[] files = Directory.GetFiles(Environment.CurrentDirectory, "TextFile*.*");
foreach (string file in files)
{
string[] lines = File.ReadAllLines(file);
bool parse = false;
foreach (string tmpLine in lines)
{
string line = tmpLine.Trim();
if (!parse && line.StartsWith("Feat. Type,"))
{
parse = true;
continue;
}
if (!parse || string.IsNullOrEmpty(line))
{
continue;
}
foreach (SQLiteParameter parameter in insertCommand.Parameters)
{
parameter.Value = null;
}
string[] values = line.Split(new[] {','});
for (int i = 0; i < values.Length - 1; i++)
{
SQLiteParameter param = insertCommand.Parameters[i];
if (param.DbType == DbType.Decimal)
{
decimal value;
param.Value = decimal.TryParse(values[i], out value) ? value : 0;
}
else
{
param.Value = values[i];
}
}
insertCommand.ExecuteNonQuery();
}
}
}
con.Close();
}
}
}
}
结果：
1 Point _FF_PLN_A_1 X -17.445 -17.445 0 -999 999 0 NULL 2 Point _FF_PLN_A_1 Y -195.502 -195.502 0 -999 999 0 NULL 3 Point _FF_PLN_A_1 Z 32.867 33.5 -0.633 -0.8 0.8 0 NULL 4 Point _FF_PLN_A_2 X -73.908 -73.908 0 -999 999 0 NULL 5 Point _FF_PLN_A_2 Y -157.957 -157.957 0 -999 999 0 NULL 6 Point _FF_PLN_A_2 Z 32.792 33.5 -0.708 -0.8 0.8 0 NULL 7 Point _FF_PLN_A_3 X -100.18 -100.18 0 -999 999 0 NULL 8 Point _FF_PLN_A_3 Y -142.797 -142.797 0 -999 999 0 NULL 9 Point _FF_PLN_A_3 Z 32.768 33.5 -0.732 -0.8 0.8 0 NULL 10 Point _FF_PLN_A_4 X -160.945 -160.945 0 -999 999 0 NULL 11 Point _FF_PLN_A_4 Y -112.705 -112.705 0 -999 999 0 NULL 12 Point _FF_PLN_A_4 Z 32.719 33.5 -0.781 -0.8 0.8 0 NULL 13 Point _FF_PLN_A_5 X -158.096 -158.096 0 -999 999 0 NULL 14 Point _FF_PLN_A_5 Y -73.821 -73.821 0 -999 999 0 NULL 15 Point _FF_PLN_A_5 Z 32.756 33.5 -0.744 -0.8 0.8 0 NULL 16 Point _FF_PLN_A_6 X -195.67 -195.67 0 -999 999 0 NULL 17 Point _FF_PLN_A_6 Y -17.375 -17.375 0 -999 999 0 NULL 18 Point _FF_PLN_A_6 Z 32.767 33.5 -0.733 -0.8 0.8 0 NULL 19 Point _FF_PLN_A_7 X -173.759 -173.759 0 -999 999 0 NULL 20 Point _FF_PLN_A_1 X -17.445 -17.445 0 -999 999 0 NULL 21 Point _FF_PLN_A_1 Y -195.502 -195.502 0 -999 999 0 NULL 22 Point _FF_PLN_A_1 Z 32.867 33.5 -0.633 -0.8 0.8 0 NULL 23 Point _FF_PLN_A_2 X -73.908 -73.908 0 -999 999 0 NULL 24 Point _FF_PLN_A_2 Y -157.957 -157.957 0 -999 999 0 NULL 25 Point _FF_PLN_A_2 Z 32.792 33.5 -0.708 -0.8 0.8 0 NULL 26 Point _FF_PLN_A_3 X -100.18 -100.18 0 -999 999 0 NULL 27 Point _FF_PLN_A_3 Y -142.797 -142.797 0 -999 999 0 NULL 28 Point _FF_PLN_A_3 Z 32.768 33.5 -0.732 -0.8 0.8 0 NULL 29 Point _FF_PLN_A_4 X -160.945 -160.945 0 -999 999 0 NULL 30 Point _FF_PLN_A_4 Y -112.705 -112.705 0 -999 999 0 NULL 31 Point _FF_PLN_A_4 Z 32.719 33.5 -0.781 -0.8 0.8 0 NULL 32 Point _FF_PLN_A_5 X -158.096 -158.096 0 -999 999 0 NULL 33 Point _FF_PLN_A_5 Y -73.821 -73.821 0 -999 999 0 NULL 34 Point _FF_PLN_A_5 Z 32.756 33.5 -0.744 -0.8 0.8 0 NULL 35 Point _FF_PLN_A_6 X -195.67 -195.67 0 -999 999 0 NULL 36 Point _FF_PLN_A_6 Y -17.375 -17.375 0 -999 999 0 NULL 37 Point _FF_PLN_A_6 Z 32.767 33.5 -0.733 -0.8 0.8 0 NULL 38 Point _FF_PLN_A_7 X -173.759 -173.759 0 -999 999 0 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL