c# – 在长时间服务器进程中如何显示信息量的实时进度数据

我有一个漫长的过程可能需要1个小时.

这个过程包括从年到年的许多步骤.我的主要问题是：

如何在进程期间向终端用户提供一个信息丰富的实时进度,而不仅仅是虚拟加载栏.

int index = Convert.ToInt32(e.CommandArgument);
            bool done = false;
            int res = -1;
            int fromVal = int.Parse(gv_balance.Rows[index].Cells[0].Text);
            int toVal = int.Parse(gv_balance.Rows[index].Cells[1].Text);
            int finMonth = 1;
            int finYear = 0;
            int EndServ = 0;
            int calcYear = int.Parse(gv_balance.Rows[index].Cells[2].Text);
            int total;
            total = ((toVal - fromVal) + 1);
            string msg = string.Empty;
 
            int confirm = Balance.GetConfirmState(calcYear);
            if (confirm == 0)
            {
                RadProgressContext progress = RadProgressContext.Current;
                progress.Speed = "N/A";
 
                finYear = fromVal;
 
                for (int i = fromVal; i <= toVal; i++)
                {
                    decimal ratio;
                    //Load New Employees
                    if (toVal - fromVal > 0)
                    {
                        ratio = ((decimal)toVal - i) / (toVal - fromVal) * 100;
                    }
                    else
                    {
                        ratio = ((decimal)toVal - i) / 1 * 100;
                    }
                    progress.PrimaryTotal = total;
                    progress.PrimaryValue = total;
                    progress.PrimaryPercent = 100;
 
                    progress.SecondaryTotal = 100; // total;
                    progress.SecondaryValue = ratio;//i ;
                    progress.SecondaryPercent = ratio; //i;
 
 
                    progress.CurrentOperationText = "Step " + i.ToString();
                    if (!Response.IsClientConnected)
                    {
                        //Cancel button was clicked or the browser was closed,so stop processing
                        break;
                    }
 
                    progress.TimeEstimated = (toVal - i) * 100;
                    //Stall the current thread for 0.1 seconds
                    System.Threading.Thread.Sleep(100);
                    EndServ = i + 1;
                    if (i == fromVal)
                    {   
                        //--->STEP1
                        //Load intial data 
                        int intial = Balance.PrepareIntialData(calcYear);
                        //--->STEP2
                        res = Balance.CalcEndServed(calcYear,EndServ - 1,6,30);
 
                    }
                     //--->STEP3
                    int newEmps = Balance.PrepareNewEmployees(calcYear,i);
 
                    for (int j = 0; j < 2; j++)
                    {
                        if (j == 0)
                        {
                            finMonth = 7;
                            finYear = i;
 
                        }
                        else
                        {
                            finMonth = 1;
                            finYear = i + 1;
                        }
                        //--->STEP4
                        int promotion1 = Balance.PreparePromotionFirst(finYear,finMonth,calcYear);
                         //--->STEP5
                        int promotion2 = Balance.PreparePromotionSecond(finYear,calcYear);
                         //--->STEP6
                        int appointment1 = Balance.PrepareAppointmentFirst(finYear,calcYear);
                         //--->STEP7
                        int appointment2 = Balance.PrepareAppointmentSecond(finYear,calcYear);
 
                        //--->STEP8
                        int bonus = Balance.PrepareBonus(finMonth,finYear,calcYear);
 
                         //--->STEP9
                        int salary = Balance.PrepareSalary(finYear,calcYear);
                     (((CheckBox)gv_balance.Rows[index].Cells[3].FindControl("chk_redirect")).Checked == true)
                        {
                           //--->STEP9
                            int acco = Balance.PrepareFinanceAccount(finYear,calcYear);
                        }
 
                    }
 
 
                    //--->STEP10
                    res = Balance.CalcEndServed(calcYear,EndServ,30);
                    Balance.CalcStudy(calcYear);
                    UpdateProgressContext();
                    if (res < 0)
                    {
 
                        success_lb.Visible = false;
                        error_lb.Visible = true;
                        error_lb.Text = "ERROR";
 
                    }
                    else
                    {
                        done = true;
                        success_lb.Visible = true;
                        error_lb.Visible = false;
                        success_lb.Text = "Success";
                    }
 
 
                }
            }

我想显示当前步骤,例如：
(促销1)in —> 1-2018以及估计时间之外的整个过程的百分比.

解决方法

要使用signalR来报告一个很长的任务的进度,你可以这样做(这只是一个例子来说明它是如何工作的)：

服务器部分

我们首先映射SignalR.

public class Startup
{
   public void Configuration(IAppBuilder app)
   {
       // Any connection or hub wire up and configuration should go here
       app.MapSignalR();
   }
}

我们创建一个Hub类(不要忘了安装signalr包)：

(如果要向所有连接的用户或特定的用户组报告进度,请查看：http://www.asp.net/signalr/overview/guide-to-the-api/working-with-groups)

在给定的例子中,它仅向Start函数的调用者报告进度.

public class MyHub : Hub
{     
    public void Start(string arg)
    {
        Task.Run(() =>
        {
            AVeryLongTask();
        });
    }
 
    //simulate a long task
    void AVeryLongTask()
    {
        for (int i = 0; i < 10000; i++)
        {
            Thread.Sleep(100);              
            Clients.Caller.ReportProgress("AVeryLongTask",i * 100 / 10000);
        }
    }
}

客户部分

在html中,您必须添加以下引用：

<!--Script references. -->
<!--Reference the jQuery library. -->
<script src="Scripts/jquery-1.6.4.min.js"></script>
<!--Reference the SignalR library. -->
<script src="/Scripts/jquery.signalR-2.0.0.js"></script>
<!--Reference the autogenerated SignalR hub script. -->
<script src="/signalr/hubs"></script>

现在的Js部分是从中心获得进步：

$(function() {
   // Declare a proxy to reference the hub.
   var hub = $.connection.myHub;
   // Create a function that the hub can call to report progress.
   hub.client.reportProgress = function(functionName,progress) {
     $('#progression').append('<li><strong>' + progress + '</strong>:&nbsp;&nbsp;' + functionName + '</li>');
   };
   // Start the connection.
   $.connection.hub.start().done(function() {
     $('#startlongprocess').click(function() {
      //start the long process
       hub.server.start("arg");
       alert("started");
     });
   });
 });

用于进度和开始按钮的html容器：

<div class="container">    
   <input type="button" id="startlongprocess" value="Send" />
   <ul id="progression"></ul>
</div>

如果您需要更多的解释,请不要犹豫.

(我的例子是基于这个来自signalr团队的http://www.asp.net/signalr/overview/getting-started/tutorial-getting-started-with-signalr)

c# – 在长时间服务器进程中如何显示信息量的实时进度数据

解决方法

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