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计算机后台服务-更新下载，重启————未来之窗行业应用跨平台架构

news 2024/11/2 6:08:35

一在教育中应用

1. 提高效率：能够快速收集大量学生的卷子，节省了传统人工收集和整理的时间。
2. 准确性：减少了人工收卷过程中可能出现的错漏和混乱，确保每份卷子都能准确无误地被收集和记录。
3. 即时性：可以实时接收学生提交的卷子，老师能够更快地开始批改和评估。
4. 自动化处理：自动对卷子进行初步分类、编号等处理，方便后续的管理和查找。
5. 数据安全：卷子以电子形式存储在后台服务器，相对更安全，降低了丢失或损坏的风险。
6. 便于统计分析：可以对收卷情况进行统计，例如提交时间、未提交人数等，为教学管理提供数据支持。
7. 环保节能：减少了纸张的使用，有利于环保。
8. 远程操作：支持学生在不同地点远程提交卷子，适应在线教育和混合教学模式。

二、代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.ServiceProcess;
using System.Text;
using System.Net;
using System.IO;
using System.Web;
using System.Collections.Specialized;
using System.Threading;
using System.Web;
using System.Net.Sockets;
using System.IO;
using System;namespace CyberWin.Work.Qjcx.CloudDeploymentClientSvr
{public partial class Service1 : ServiceBase{private int Cyber_Port = 23415;private Thread CyberThread;private Thread CyberThread_bordcast_client;EndPoint ep;string receiveData;public Service1(){InitializeComponent();}protected override void OnStart(string[] args){// TODO: Add code here to start your service.CyberThread = new Thread(new ThreadStart(cy_web));CyberThread_bordcast_client = new Thread(new ThreadStart(AcceptMessage));//  Process.Start("CyberWin.Work.Qjcx.Cloudonline.exe");CyberThread.Start();CyberThread_bordcast_client.Start();// CyberThread_bordcast_client = new Thread(new ThreadStart(AcceptMessage));// CyberThread_bordcast_client.Start();}protected override void OnStop(){// TODO: Add code here to perform any tear-down necessary to stop your service.CyberThread.Abort();CyberThread_bordcast_client.Abort();}//接受广播并回传数据#region//接收信息private void AcceptMessage(){try{//d定义socket对象Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);IPEndPoint iep = new IPEndPoint(IPAddress.Any, 1244);socket.Bind(iep);ep = (EndPoint)iep;byte[] bytes = new byte[1024];while (true){socket.ReceiveFrom(bytes, ref ep);receiveData = System.Text.Encoding.Unicode.GetString(bytes);receiveData = receiveData.TrimEnd('\u0000');Thread th = new Thread(new ThreadStart(Acc));th.Start();//th.Abort();}socket.Close();}catch(Exception ex){}}private void Acc(){try{//string message = "来自" + ep.ToString() + "的消息";//DialogResult result = MessageBox.Show(receiveData, message, MessageBoxButtons.AbortRetryIgnore);string ip = ep.ToString();int pos = ip.IndexOf(":");string ip_add = ip.Substring(0, pos);OpenReadWithHttps("http://" + ip_add + ":1214/未来之窗?client=" + cls_computer_operator.GetLocalIP(), "", "GB2312");}catch (Exception ex){}}///<summary>///采用https协议访问网络///</summary>///<param name="URL">url地址</param>///<param name="strPostdata">发送的数据</param>///<returns></returns>private  static string OpenReadWithHttps(string URL, string strPostdata, string strEncoding){try{Encoding encoding = Encoding.Default;HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL);request.Method = "post";request.Accept = "text/html, application/xhtml+xml, */*";request.ContentType = "application/x-www-form-urlencoded";byte[] buffer = encoding.GetBytes(strPostdata);request.ContentLength = buffer.Length;request.GetRequestStream().Write(buffer, 0, buffer.Length);HttpWebResponse response = (HttpWebResponse)request.GetResponse();using (StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.GetEncoding(strEncoding))){return reader.ReadToEnd();}}catch (Exception ex){return "cyber_empty";}}#endregion//private void cy_web(){//AcceptMessage();using (HttpListener hl = new HttpListener()){hl.AuthenticationSchemes = AuthenticationSchemes.Anonymous;hl.Prefixes.Add("http://*:" + Cyber_Port + "/cyberwinsvr/");hl.Start();while (true){HttpListenerContext ctx = hl.GetContext();ctx.Response.StatusCode = 200;//ctx.Request.string l = ctx.Request.QueryString["like"];string m = ctx.Request.QueryString["m"];using (StreamWriter w = new StreamWriter(ctx.Response.OutputStream, Encoding.UTF8)){string responseBody = cls_Cloud_Deployment_client.cyber_cmd(ctx.Request);w.WriteLine(responseBody);//w.WriteLine("hello2222刘7777" + System.Web.HttpUtility.UrlDecode(l, Encoding.ASCII) + "郭荣华第二：" + System.Web.HttpUtility.UrlDecode(ctx.Request.Url.ToString(), Encoding.ASCII) + "<br>mm==" + m);w.Flush();w.Close();}}}}}
}