实体框架顺序
Sourcefile和文件名是源路径。存档文件夹，存档文件名是目标文件夹。输入文件的值应移至目标文件。将文件从源复制到目标时出错。显示“文件已创建”。请让我知道如何在没有硬编码的情况下找到源文件的目录。如何将有效的详细信息以XML格式写入另一个文件中。
using System; using System.Collections.Generic;using System.IO;
using System.Linq;using System.Security; using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Globalization;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Xml.Serialization;
using System.Xml;
using System.Xml.Linq;
using System.Text.RegularExpressions;
using EmployeeValidation;
using static EmployeeValidation.FundsValidatorException;
namespace FundsValidator
{
public class empValidator
{
public bool ProcessData(string sourceFolder, string fileName, string archiveFolder, string archiveFileName, SqlConnection connection)
{
List<Order> Orders = ReadAllDataFromInputFile(sourceFolder,fileName);
//Step 2
//SetValidationFlag
List<Order> ValidOrder = SetValidationFlag(Orders);
//Step 3
//InsertOrderData
bool insertBit = InsertOrderData(ValidOrder, connection);
//Step 4
//GetProductsCommission
DataTable dtprodcomm = GetProductsCommission(connection);
//Step 5
//archive file
bool archive = CopyToArchive( sourceFileName, sourceFilePath, archiveFileName, archiveFilePath)
return true;
}
public List<Order> ReadAllDataFromInputFile(string sourceFolder, string fileName)
{
List<Order> inputlist = null;
{
try
{
inputlist = new List<Order>();
var inputlines = File.ReadAllLines(sourceFolder + fileName);
foreach (var item in inputlines)
{
string[] datas = item.Split(',');
Order orderdetails = new Order()
{
OrderId = datas[0],
SalesPersonId = datas[1],
OrderDate = Convert.ToDateTime(datas[2]).ToShortDateString(),
ModelNbr = datas[3],
Quantity = datas[4],
CustomerId = datas[5],
DeliveryDate = datas[6]
};
inputlist.Add(orderdetails);
}
}
catch(OrderProcessorException)
{
throw new OrderProcessorException();
}
}
return inputlist;
}
public List<Order> SetValidationFlag(List<Order> Orders)
{
List<Order> validList = null;
validList = new List<Order>();
int num = 0;
DateTime dtOrderdate;
DateTime dtdeliverydate;
if (Orders != null && Orders.Count >0)
{
foreach(var item in Orders)
{
if(int.TryParse(item.OrderId, out num) &&
item.SalesPersonId.StartsWith("SP") && item.SalesPersonId.Substring(2).Length == 3 && int.TryParse(item.SalesPersonId.Substring(2), out num) &&
DateTime.TryParse(item.OrderDate, out dtOrderdate) &&
item.ModelNbr.StartsWith("ML") && item.ModelNbr.Substring(2).Length == 3 && int.TryParse(item.ModelNbr.Substring(2), out num) &&
int.TryParse(item.Quantity, out num) && DateTime.TryParse(item.DeliveryDate, out dtdeliverydate) && (Convert.ToDateTime(item.DeliveryDate) - Convert.ToDateTime(item.OrderDate)).TotalDays > 7)
{
item.ValidFlag = "V";
}
else
{
item.ValidFlag = "E";
}
validList.Add(item);
}
}
return validList;
}
public bool InsertOrderData(List<Order> Orders, SqlConnection connectionString)
{
bool bret = true;
{
if(Orders !=null && Orders.Count >0)
{
foreach(var item in Orders)
{
using (SqlCommand command = connectionString.CreateCommand())
{
command.CommandText = "Insert into SBA.Orders(OrderId,SalesPersonId,OrderDate,ModelNbr,Quantity,CustomerId,Deliverydate,ValidFlag) Values('" + item.OrderId + "','" + item.SalesPersonId + "','" + item.OrderDate + "','" + item.ModelNbr + "','" + item.Quantity + "','" + item.CustomerId + "','" + item.DeliveryDate + "','" + item.ValidFlag + "')";
command.Connection = connectionString;
connectionString.Open();
int count = command.ExecuteNonQuery();
connectionString.Close();
if (count > 0)
{
bret = true;
}
else
bret = false;
}
}
}
else
{
bret = false;
}
}
return bret;
}
public DataTable GetProductsCommission(SqlConnection connectionString)
{
DataTable dtProductsCommission = null;
using (SqlCommand command = connectionString.CreateCommand())
{
command.CommandText = "Select ModelNbr,Commission_Percentage,Base_Price from SBA.Product_Commission";
command.Connection = connectionString;
connectionString.Open();
SqlDataAdapter da = new SqlDataAdapter(command);
DataSet ds = new DataSet();
da.Fill(ds);
dtProductsCommission = ds.Tables[0];
}
return dtProductsCommission;
}
public bool InsertCommissionData(List<Order> Orders, DataTable dtProductsCommission, SqlConnection connectionString)
{
bool bret = true;
if (Orders != null && Orders.Count > 0 && dtProductsCommission.Rows.Count > 0)
{
foreach (var item in Orders)
{
if (item.ValidFlag == "V")
{
foreach (DataRow dr in dtProductsCommission.Rows)
{
float commamt = Convert.ToInt32(dr["Commission_Percentage"]) * Convert.ToInt32(dr["Base_Price"]) * Convert.ToInt32(item.Quantity);
using (SqlCommand cmd = connectionString.CreateCommand())
{
cmd.CommandText = "Insert into SBA.Order_Commission(OrderId,CommissionAmt) Values('" + item.OrderId + "','" + commamt + "')";
connectionString.Open();
cmd.ExecuteNonQuery();
connectionString.Close();
bret = true;
}
}
}
}
}
else
{
bret = false;
}
return bret;
}
public bool CopyToArchive(string sourceFileName, string sourceFilePath, string archiveFileName, string archiveFilePath)
{
bool bret = true;
if(!File.Exists(archiveFilePath + archiveFileName))
{
File.Copy(sourceFilePath + sourceFileName, archiveFilePath + archiveFileName);
}
else
{
File.Delete(archiveFilePath + archiveFileName);
File.Copy(sourceFilePath + sourceFileName, archiveFilePath + archiveFileName);
}
return bret;
}
}
}
2 个答案:
答案 0 :(得分：0)
I have fixed this problem.Please refer this program for more details
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Data;
using System.Xml.Serialization;
using System.Text.RegularExpressions;
using System.Xml;
namespace EmployeeValidation
{
public class FundsValidator
{
public void ProcessData(string FilePath, string FileName, SqlConnection connection, string errorFilename, string errorFilepath)
{
List<Funds> Alllstfunds = new List<Funds>();
List<Funds> Validlstfunds = new List<Funds>();
Alllstfunds= ReadValuesfromInputfile(FilePath, FileName);
Validlstfunds = GetValidFunds(Alllstfunds, errorFilename, errorFilepath);
SaveValidListToDB(Validlstfunds,connection);
List<Funds> Removeddup= GerPerFundDetails(Validlstfunds);
CalculateNavandSaveToDatabase(Removeddup,connection);
}
public List<Funds> ReadValuesfromInputfile(string FilePath, string FileName)
{
List<Funds> AllListfunds = new List<Funds>();
string s1= null;
StreamReader sw = File.OpenText(FilePath + FileName);
while ((s1 = sw.ReadLine()) != null)
{
Funds fund = new Funds();
string[] s = s1.Split(',');
fund.FundsID = s[0].ToString();
fund.SubfundID = s[1].ToString();
fund.Asset = s[2].ToString();
fund.La = s[3].ToString();
fund.o = s[4].ToString();
AllListfunds.Add(fund);
}
return AllListfunds;
}
public List<Funds> GetValidFunds(List<Funds> Alllstfunds, string errorFilename,string errorFilepath)
{
try
{
List<Funds> validlist = new List<Funds>();
List<Funds> Invalid = new List<Funds>();
foreach (Funds x in Alllstfunds)
{
bool valid = true;
valid = valid && (!string.IsNullOrEmpty(x.FundsID) && x.FundsID.StartsWith("F")) && x.FundsID.Length == 4 && x.FundsID.Substring(1).Length == 3 && x.FundsID.Substring(1).All(char.IsDigit);
valid = valid && (!string.IsNullOrEmpty(x.SubfundID)) && x.SubfundID.StartsWith("SF") && x.SubfundID.Length == 5 && x.SubfundID.Substring(2).Length == 3 && x.SubfundID.Substring(2).All(char.IsDigit);
valid = valid && (!string.IsNullOrEmpty(x.Asset)) && x.Asset.All(char.IsDigit);
valid = valid && (!string.IsNullOrEmpty(x.La)) && x.La.All(char.IsDigit);
valid = valid && (!string.IsNullOrEmpty(x.o)) && x.o.All(char.IsDigit);
if (valid)
{
validlist.Add(x);
}
else
{
Invalid.Add(x);
}
}
SaveInValidinErrorTxt(Invalid, errorFilename, errorFilepath);
return validlist;
}
catch (Exception ex)
{
throw new FundsValidatorException(ex.Message);
}
}
public void SaveInValidinErrorTxt(List<Funds> Invalid,string errorFilename,string errorFilepath)
{
if (Invalid.Count > 0 && Invalid != null)
{
if (!File.Exists(errorFilepath + errorFilename))
{
var i=File.Create(errorFilepath + errorFilename);
i.Close();
}
StreamWriter sw = File.AppendText(errorFilepath+errorFilename);
foreach (Funds f in Invalid)
{
sw.WriteLine(f.FundsID+","+f.SubfundID+","+f.Asset+","+f.La+","+f.o);
}
sw.Flush();
sw.Close();
}
}
public void SaveValidListToDB(List<Funds> Validlstfunds, SqlConnection connection)
{
try
{
foreach (Funds f in Validlstfunds)
{
connection.Open();
SqlCommand cmd = new SqlCommand(("Insert into SBA.Fund_Details (FundId,SubFundId,Assets,Liabilities,OutstandingShares) Values ( '" + f.FundsID + "','" + f.SubfundID + "','" + f.Asset + "','" + f.La + "','" + f.o + "')"), connection);
int i = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
connection.Close();
}
}
catch (Exception ex)
{
throw new FundsValidatorException(ex.Message);
}
}
public List<Funds> GerPerFundDetails(List<Funds> Validlists)
{
List<string> s = new List<string>();
List<Funds> RemoveDup = new List<Funds>();
String[] r = (from a in Validlists
select a.FundsID).Distinct().ToArray();
foreach (String x in r)
{
int assetnum = 0;
int lanum = 0;
int onum=0;
foreach (Funds q in Validlists)
{
if (x.ToString() == q.FundsID)
{
assetnum = assetnum + int.Parse(q.Asset);
lanum=lanum+int.Parse(q.La);
onum=onum+int.Parse(q.o);
}
}
Funds f= new Funds();
f.FundsID=x.ToString();
f.Asset=assetnum.ToString();
f.La=lanum.ToString();
f.o= onum.ToString();
RemoveDup.Add(f);
}
return RemoveDup;
}
public void CalculateNavandSaveToDatabase(List<Funds> Removeddup,SqlConnection connection)
{
List<Funds> NAVClaculated = new List<Funds>();
foreach(Funds item in Removeddup)
{
item.NAV= (float)(Math.Round(((float.Parse(item.Asset) - float.Parse(item.La))/(float.Parse(item.o))),2));
NAVClaculated.Add(item);
}
foreach (Funds f in NAVClaculated)
{
connection.Open();
SqlCommand cmd = new SqlCommand(("Insert into SBA.Nav_Report (FundId,Assets,Liabilities,OutstandingShares,Nav) Values ( '" + f.FundsID + "','" + f.Asset + "','" + f.La + "','" + f.o +"','"+f.NAV+ "')"), connection);
int i = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
connection.Close();
}
}
}
}
答案 1 :(得分：0)
namespace Tarriffs
{
public class Tariff
{
public string UserId { get; set; }
public string UserName { get; set; }
public string Category { get; set; }
public string LastMeterReading { get; set; }
public string CurrentMeterReading { get; set; }
public string ReadingDate { get; set; }
public string NoofUnits { get; set; }
public string CalculatedAmount { get; set; }
}
class Program
{
static void Main(string[] args)
{
string inputfile = @"D:\Tarriffs\Input file\Tarriff_0919.txt";
List<Tariff> read = new List<Tariff>();
StreamReader sr = File.OpenText(inputfile);
string s= null;
while((s= sr.ReadLine())!=null)
{
string[] item = s.Split(',');
Tariff tar = new Tariff();
tar.UserId= item[0];
tar.UserName= item[1];
tar.Category= item[2];
tar.LastMeterReading= item[3];
tar.CurrentMeterReading= item[4];
tar.ReadingDate= item[5];
bool valid = validandlogger(tar.UserId, tar.UserName, tar.Category, tar.LastMeterReading, tar.CurrentMeterReading, tar.ReadingDate);
if (valid)
{
double[] tarriffcalculation = tarriffcalc(tar.LastMeterReading, tar.CurrentMeterReading);
Tariff final = new Tariff();
final.UserId = item[0];
final.UserName = item[1];
final.NoofUnits = tarriffcalculation[0].ToString();
final.CalculatedAmount = tarriffcalculation[1].ToString();
SqlConnection conn= new SqlConnection(@"Data Source=NA03OSDVP00746\SQLEXPRESS;Initial Catalog=DBTarriffValidation;Integrated Security=True");
conn.Open();
SqlCommand cmd = new SqlCommand("Insert into dbo.custom values ('" + final.UserId + "','" + final.UserName + "','" + final.NoofUnits + "','" + final.CalculatedAmount + "')", conn);
int i = cmd.ExecuteNonQuery();
conn.Close();
}
}
}
public static bool validandlogger(string UserId, string UserName, string Category, string LastMeterReading, string CurrentMeterReading, string ReadingDate)
{
bool valid = true;
DateTime dt;
Regex name = new Regex("^[a-zA-Z0-9]{6}$");
valid = valid && (!string.IsNullOrEmpty(UserId)) && UserId.All(char.IsDigit);
valid = valid && (!string.IsNullOrEmpty(UserName)) && name.IsMatch(UserName);
string[] vcategory = { "COM", "DOM", "OTD" };
valid = valid && vcategory.Contains(Category);
valid = valid && LastMeterReading.All(char.IsDigit);
valid = valid && CurrentMeterReading.All(char.IsDigit);
valid = valid && DateTime.TryParseExact(ReadingDate, "MM/dd/yyyy", CultureInfo.InvariantCulture, DateTimeStyles.None, out dt);
if (!valid)
{
string errortextfile = @"D:\Tarriffs\Error_log\";
string errorfile = "Error_"+DateTime.Now.ToString("MMyyyy")+".txt";
if (!File.Exists(errortextfile + errorfile))
{
var i = File.Create(errortextfile + errorfile);
i.Close();
}
StreamWriter sw = File.AppendText(errortextfile + errorfile);
sw.WriteLine(UserId + "," + UserName + "," + Category + "," + LastMeterReading + "," + CurrentMeterReading + "," + ReadingDate);
sw.Flush();
sw.Close();
}
else
{
return true;
}
return false;
}
public static double[] tarriffcalc(string LastMeterReading, string CurrentMeterReading)
{
int LMeterReading = 0;
int CMeterReading = 0;
LMeterReading = int.Parse(LastMeterReading);
CMeterReading = int.Parse(CurrentMeterReading);
int units = CMeterReading - LMeterReading;
double totalamount = 0;
if (units <= 100)
{
var baserate = 20;
totalamount = (units * 1) + baserate;
}
else if (units <= 200)
{
var baserate = 20;
totalamount = (units * 1.5) + baserate;
}
else if (units <= 500)
{
var baserate = 40;
totalamount = 250 +((units-200)*3)+baserate;
}
else if (units > 500)
{
var baserate = 40;
totalamount = 1700 + ((units - 500) * 5.75) + baserate;
}
return new double[] {units,totalamount};
}
}
}
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