我目前正在开发一个小程序，该程序通过excel文件并通过电子邮件将事情升级，并在excel的“进度条”中显示资料的进度。
程序运行正常，可以完成它打算做的所有事情，但是速度太慢。 大约需要11行，大约需要3分钟。
该文件最终将有越来越多的行（耦合在一起），并且将永远需要更新。
你们知道有什么方法可以加快速度吗？
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Excel = Microsoft.Office.Interop.Excel;
using Microsoft.VisualStudio.Tools.Applications.Runtime;
using System.IO;
using Outlook = Microsoft.Office.Interop.Outlook;
namespace Prod_Tracking
{
class Program
{
static void Main(string[] args)
{
Outlook.Application app = new Outlook.Application();
Outlook.MailItem mailItem = app.CreateItem(Outlook.OlItemType.olMailItem);
string rootPath = Directory.GetCurrentDirectory();
string path = rootPath + "\\ProdTracking.xlsx";
string email1 = "email@email.com";
string email2 = "email@email.com";
string body;
string subject;
Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel.Workbook wb = excel.Workbooks.Open(path);
Microsoft.Office.Interop.Excel.Worksheet tracking = excel.Sheets["Tracking"] as Microsoft.Office.Interop.Excel.Worksheet;
Microsoft.Office.Interop.Excel.Worksheet coois = excel.Sheets["COOIS"] as Microsoft.Office.Interop.Excel.Worksheet;
Microsoft.Office.Interop.Excel.Worksheet line = excel.Sheets["Line"] as Microsoft.Office.Interop.Excel.Worksheet;
Microsoft.Office.Interop.Excel.Worksheet stat = excel.Sheets["Stat"] as Microsoft.Office.Interop.Excel.Worksheet;
Excel.Range trackingRange = tracking.UsedRange;
int mainRows = trackingRange.Rows.Count; //row number of main sheet
coois.Select(true);
Excel.Range cooisRange = coois.UsedRange;
int cooisRows =cooisRange.Rows.Count; //row number of coois sheet
line.Select(true);
Excel.Range lineRange = line.UsedRange;
int lineRows = lineRange.Rows.Count; //row number of line sheet
line.Select(true);
Excel.Range statRange = stat.UsedRange;
int statRows = statRange.Rows.Count; //row number of stat sheet
DateTime thisDay = DateTime.Today;
int days = 0;
int daysofescalation = 0;
for (int i = 3; i <= mainRows; i++)
{
double percent = (i - 2) * 100 / (mainRows - 1); //progress percentage
Console.Clear();
Console.Write("Update in progress! Please wait..." + '\n' + percent + "%" );
for(int j = 2; j <= cooisRows; j++)
{
//get data from COOIS
if (coois.Cells[j,1].Value == tracking.Cells[i, 1].Value)
{
tracking.Cells[i, 2].Value = coois.Cells[j, 2].Value;
tracking.Cells[i, 5].Value = coois.Cells[j, 11].Value;
tracking.Cells[i, 7].Value = coois.Cells[j, 8].Value;
tracking.Cells[i, 8].Value = coois.Cells[j, 9].Value;
if ((thisDay - Convert.ToDateTime(tracking.Cells[i, 5].Value)).TotalDays > 0)
{
tracking.Cells[i, 38].Value = (thisDay - Convert.ToDateTime(tracking.Cells[i, 5].Value)).TotalDays; //calculate passed time in days format
days = Convert.ToInt32(tracking.Cells[i, 38].Value);
}
else
{
tracking.Cells[i, 38].Value = "Prod not yet started";
}
//A/B/C
if (Convert.ToString(tracking.Cells[i,2].Value).Length > 12)
{
tracking.Cells[i, 3].Value = "A";
tracking.Cells[i, 6].Value = Convert.ToDateTime(tracking.Cells[i, 5].Value).AddDays(21);
tracking.Range["J" + i + ":" + "AK" + i].Interior.ColorIndex = 0; //clear progress bar/line
tracking.Range["AF" + i + ":" + "AK" + i].Interior.ColorIndex = 1; //insert black part
//fill up progress bar
if (Convert.ToString(tracking.Cells[i, 38].Value) != "Prod not yet started")
{
if (days > 21)
{
tracking.Range["J" + i + ":" + "AE" + i].Interior.ColorIndex = 3;
}
else
{
tracking.Range[tracking.Cells[i, 10], tracking.Cells[i, (10 + days)]].Interior.ColorIndex = 4;
}
}
}
if(Convert.ToString(tracking.Cells[i, 2].Value).Length == 12)
{
tracking.Cells[i, 3].Value = "B";
tracking.Cells[i, 6].Value = Convert.ToDateTime(tracking.Cells[i, 5].Value).AddDays(13);
tracking.Range["J" + i + ":" + "AK" + i].Interior.ColorIndex = 0; //clear progress bar/line
tracking.Range["W" + i + ":" + "AK" + i].Interior.ColorIndex = 1; //insert black part
//fill up progress bar
if (Convert.ToString(tracking.Cells[i, 38].Value) != "Prod not yet started")
{
if (days >= 13)
{
tracking.Range["J" + i + ":" + "V" + i].Interior.ColorIndex = 3;
}
else
{
tracking.Range[tracking.Cells[i, 10], tracking.Cells[i, (10 + days)]].Interior.ColorIndex = 4;
}
}
}
if (Convert.ToString(tracking.Cells[i, 2].Value)[0] == '5')
{
tracking.Cells[i, 3].Value = "C";
tracking.Range["J" + i + ":" + "AK" + i].Interior.ColorIndex = 0; //clear progress bar/line
tracking.Cells[i, 6].Value = Convert.ToDateTime(tracking.Cells[i, 5].Value).AddDays(28);
//fill up progress bar
if (Convert.ToString(tracking.Cells[i, 38].Value) != "Prod not yet started")
{
if (days > 28)
{
tracking.Range["J" + i + ":" + "AK" + i].Interior.ColorIndex = 3;
}
else
{
tracking.Range[tracking.Cells[i, 10], tracking.Cells[i, (10 + days)]].Interior.ColorIndex = 4;
}
}
}
//get current production status
for (int l = 2; l <= statRows; l++)
{
if(tracking.Cells[i,1].Value == stat.Cells[l,1].Value && stat.Cells[l, 7].Value != null)
{
tracking.Cells[i, 9].value = Convert.ToString(stat.Cells[l, 4].Value);
l = statRows + 1;
}
}
//Get lines (way too slow, need to be optimised, maybe import it to a list?)
for (int k = 2; k <= lineRows; k++)
{
if (tracking.Cells[i, 2].Value == line.Cells[k, 1].Value)
{
tracking.Cells[i, 4].Value = line.Cells[k, 2].Value;
k = lineRows + 1;
}
}
if (tracking.Cells[i, 4].Value == null)
{
tracking.Cells[i, 4].Value = "NA";
}
//overdue status "YES" or "NO"
if(tracking.Cells[i, 10].Interior.ColorIndex == 3)
{
tracking.Cells[i, 39].Value = "Yes";
}
else
{
tracking.Cells[i, 39].Value = "No";
}
//escalation level one, making the body into a string, sending email and writing in the date of the escalation
if(tracking.Cells[i, 39].Value == "Yes" && tracking.Cells[i, 40].Value == null && tracking.Cells[i, 42].Value != "x")
{
body = "Dear Recipient," + "\n\nThe production order: " + Convert.ToString(tracking.Cells[i, 1].Value) + " for the material " + Convert.ToString(tracking.Cells[i, 2].Value) + " is overdue." + "\nOrdered quantity: " + Convert.ToString(tracking.Cells[i, 7].Value) + "\nConfirmed quantity: " + Convert.ToString(tracking.Cells[i, 8].Value) + "\nPlease take some actions." + "\n\n\n\nThis is an automatically generated message by the production tracking tool";
subject = Convert.ToString(tracking.Cells[i, 1].Value) + " production order is overdue - Escalalation I.";
Program.SendEMail(email1, subject, body);
tracking.Cells[i, 40].Value = thisDay;
}
//escalation level2
if (tracking.Cells[i, 40].Value != null)
{
daysofescalation = Convert.ToInt32((thisDay - Convert.ToDateTime(tracking.Cells[i, 40].Value)).TotalDays);
if(daysofescalation > 8 && tracking.Cells[i, 42].Value != "x" && tracking.Cells[i, 41].Value != null)
{
body = "Dear Recipient," + "\n\nThe production order: " + Convert.ToString(tracking.Cells[i, 1].Value) + " for the material " + Convert.ToString(tracking.Cells[i, 2].Value) + " is overdue." + "\nOrdered quantity: " + Convert.ToString(tracking.Cells[i, 7].Value) + "\nConfirmed quantity: " + Convert.ToString(tracking.Cells[i, 8].Value) + "\nPlease take some actions." + "\n\n\n\nThis is an automatically generated message by the production tracking tool";
subject = Convert.ToString(tracking.Cells[i, 1].Value) + " production order is overdue - Escalalation II.";
Program.SendEMail(email2, subject, body);
tracking.Cells[i, 41].Value = thisDay;
}
}
j = cooisRows + 1;
}
}
}
wb.Close(true);
excel.Quit();
Console.Clear();
Console.WriteLine("Update in progress!Please wait..." + '\n' + "100" + " % " + "\nExcel updated!");
Console.ReadLine();
}
static void SendEMail(string email, string subject, string body)
{
Outlook.Application app = new Outlook.Application();
Outlook.MailItem mailItem = app.CreateItem(Outlook.OlItemType.olMailItem);
mailItem.Subject = subject;
mailItem.To = email;
mailItem.Body = body;
mailItem.Importance = Outlook.OlImportance.olImportanceHigh;
mailItem.Display(false);
((Outlook._MailItem)mailItem).Send();
}
}
}
非常感谢您的提前帮助，
-B