{"id":32916,"date":"2025-04-26T07:15:23","date_gmt":"2025-04-25T23:15:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/32916.html"},"modified":"2025-04-26T07:15:23","modified_gmt":"2025-04-25T23:15:23","slug":"%e7%94%a8c%e5%ae%9e%e7%8e%b0udp%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/32916.html","title":{"rendered":"\u7528C#\u5b9e\u73b0UDP\u670d\u52a1\u5668"},"content":{"rendered":"

\u5bf9UDP\u670d\u52a1\u5668\u7684\u8981\u6c42<\/h3>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u5982\u540cTCP\u901a\u4fe1\u4e00\u6837\u8ba9UDP\u670d\u52a1\u7aef\u53ef\u4ee5\u670d\u52a1\u591a\u4e2a\u5ba2\u6237\u7aef \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u9700\u8981\u5177\u5907\u7684\u6761\u4ef6： \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1.\u533a\u5206\u6d88\u606f\u7c7b\u578b(\u4e0d\u9700\u8981\u5904\u7406\u5206\u5305\u3001\u9ecf\u5305) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.\u80fd\u591f\u63a5\u6536\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u6d88\u606f \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3.\u80fd\u591f\u4e3b\u52a8\u7ed9\u81ea\u5df1\u53d1\u8fc7\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u53d1\u6d88\u606f(\u8bb0\u5f55\u5ba2\u6237\u7aef\u4fe1\u606f) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4.\u4e3b\u52a8\u8bb0\u5f55\u4e0a\u6b21\u6536\u5230\u5ba2\u6237\u7aef\u6d88\u606f\u7684\u65f6\u95f4，\u5982\u679c\u957f\u65f6\u95f4\u6ca1\u6709\u6536\u5230\u6d88\u606f，\u4e3b\u52a8\u79fb\u9664\u8bb0\u5f55\u7684\u5ba2\u6237\u7aef\u4fe1\u606f<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u5206\u6790： \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1.UDP\u662f\u65e0\u8fde\u63a5\u7684，\u6211\u4eec\u5982\u4f55\u8bb0\u5f55\u8fde\u5165\u7684\u5ba2\u6237\u7aef \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2.UDP\u6536\u53d1\u6d88\u606f\u90fd\u662f\u901a\u8fc7\u4e00\u4e2aSocket\u6765\u5904\u7406，\u6211\u4eec\u5e94\u8be5\u5982\u4f55\u548c\u5904\u7406\u6536\u53d1\u6d88\u606f \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3.\u5982\u679c\u4e0d\u4f7f\u7528\u5fc3\u8df3\u6d88\u606f，\u5982\u4f55\u8bb0\u5f55\u4e0a\u6b21\u6536\u5230\u6d88\u606f\u7684\u65f6\u95f4<\/p>\n

\u57fa\u672c\u6570\u636e\u7c7b–\u5c01\u88c5\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7b49\u65b9\u6cd5<\/h3>\n

\u6b64\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u62bd\u8c61\u57fa\u7c7bBaseData，\u5176\u4e2d\u5305\u542b\u62bd\u8c61\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u5b57\u8282\u6570\u7ec4\u5bb9\u5668\u5927\u5c0f\u3001\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u6210\u5458\u53d8\u91cf，\u8fd8\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u53d7\u4fdd\u62a4\u7684\u65b9\u6cd5\u7528\u4e8e\u5728\u5b57\u8282\u6570\u7ec4\u548c\u4e0d\u540c\u6570\u636e\u7c7b\u578b（\u5982int\u3001short\u3001long\u7b49）\u53ca\u5b57\u7b26\u4e32\u3001BaseData\u5b50\u7c7b\u5bf9\u8c61\u4e4b\u95f4\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n

using System;
\nusing System.Collections;
\nusing System.Collections.Generic;
\nusing System.Text;<\/p>\n

public abstract class BaseData
\n{
\n \/\/\u7528\u4e8e\u5b50\u7c7b\u91cd\u5199\u7684 \u83b7\u53d6\u5b57\u8282\u6570\u7ec4\u5bb9\u5668\u5927\u5c0f\u7684\u65b9\u6cd5
\n public abstract int GetBytesNum();
\n \/\/\u628a\u6210\u5458\u53d8\u91cf\u5e8f\u5217\u5316\u4e3a\u5bf9\u5e94\u7684\u5b57\u8282\u6570\u7ec4
\n public abstract byte[] Writing();<\/p>\n

public abstract int Reading(byte[] bytes, int beginIndex=0);<\/p>\n

\/\/bytes\u6307\u5b9a\u7684\u5b57\u8282\u6570\u7ec4
\n \/\/value\u5177\u4f53\u7684int\u503c
\n \/\/index\u7d22\u5f15\u4f4d\u7f6e\u7684\u53d8\u91cf
\n protected void WriteInt(byte []bytes,int value,ref int index)
\n {
\n BitConverter.GetBytes(value).CopyTo(bytes, index);
\n index += sizeof(int);
\n }
\n protected void WriteShort(byte[]bytes,short value,ref int index)
\n {
\n BitConverter.GetBytes(value).CopyTo(bytes, index);
\n index += sizeof(short);
\n }
\n protected void WriteLong(byte[]bytes,long value,ref int index)
\n {
\n BitConverter.GetBytes(value).CopyTo(bytes, index);
\n index += sizeof(long);
\n }
\n protected void WriteFloat(byte[] bytes, float value, ref int index)
\n {
\n BitConverter.GetBytes(value).CopyTo(bytes, index);
\n index += sizeof(float);
\n }
\n protected void WriteByte(byte[]bytes,byte value,ref int index)
\n {
\n bytes[index] = value;
\n index += sizeof(byte);
\n }
\n protected void WriteBool(byte[] bytes, bool value, ref int index)
\n {
\n BitConverter.GetBytes(value).CopyTo(bytes, index);
\n index += sizeof(bool);
\n }
\n protected void WriteString(byte[]bytes,string value,ref int index)
\n {
\n \/\/\u5148\u5b58\u50a8string\u5b57\u8282\u6570\u7ec4\u7684\u957f\u5ea6
\n byte[] strBytes = Encoding.UTF8.GetBytes(value);
\n \/\/BitConverter.GetBytes(strBytes.Length).CopyTo(bytes, index);
\n \/\/index += sizeof(int);
\n WriteInt(bytes, strBytes.Length, ref index);
\n \/\/\u518d\u5b58string\u5b57\u8282\u6570\u7ec4
\n strBytes.CopyTo(bytes, index);
\n index += strBytes.Length;
\n }
\n protected void WriteData(byte[]bytes,BaseData data,ref int index)
\n {
\n data.Writing().CopyTo(bytes, index);
\n index += data.GetBytesNum();
\n }<\/p>\n

protected int ReadInt(byte[]bytes,ref int index)
\n {
\n int value = BitConverter.ToInt32(bytes, index);
\n index += 4;
\n return value;
\n }
\n protected short ReadShort(byte[] bytes, ref int index)
\n {
\n short value = BitConverter.ToInt16(bytes, index);
\n index += 2;
\n return value;
\n }
\n protected long ReadLong(byte[] bytes, ref int index)
\n {
\n long value = BitConverter.ToInt64(bytes, index);
\n index += 8;
\n return value;
\n }
\n protected float ReadFloat(byte[] bytes, ref int index)
\n {
\n float value = BitConverter.ToSingle(bytes, index);
\n index += sizeof(float);
\n return value;
\n }
\n protected byte ReadByte(byte[] bytes, ref int index)
\n {
\n byte value = bytes[index];
\n index += 1;
\n return value;
\n }
\n protected bool ReadBool(byte[] bytes, ref int index)
\n {
\n bool value = BitConverter.ToBoolean(bytes, index);
\n index += sizeof(bool);
\n return value;
\n }
\n protected string ReadString(byte[] bytes, ref int index)
\n {
\n int length = ReadInt(bytes, ref index);
\n string value = Encoding.UTF8.GetString(bytes, index, length);
\n index += length;
\n return value;
\n }
\n protected T ReadData<T>(byte[] bytes, ref int index) where T : BaseData, new()
\n {
\n T value = new T();
\n index+= value.Reading(bytes,index);
\n return value;
\n }
\n}<\/p>\n

\u57fa\u672c\u6d88\u606f\u7c7b<\/h3>\n

\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aBaseMsg\u7684\u7c7b，\u5b83\u7ee7\u627f\u81eaBaseData\u7c7b\u3002BaseMsg\u7c7b\u91cd\u5199\u4e86BaseData\u7684\u62bd\u8c61\u65b9\u6cd5GetBytesNum\u3001Reading\u548cWriting，\u4f46\u8fd9\u4e9b\u91cd\u5199\u65b9\u6cd5\u53ea\u662f\u7b80\u5355\u629b\u51faNotImplementedException\u5f02\u5e38，\u8868\u660e\u76ee\u524d\u672a\u5b9e\u73b0\u5177\u4f53\u903b\u8f91\u3002\u6b64\u5916，BaseMsg\u7c7b\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e2a\u865a\u65b9\u6cd5GetID，\u9ed8\u8ba4\u8fd4\u56de 0\u3002<\/p>\n

BaseMsg\u7c7b\u7684\u8bbe\u8ba1\u76ee\u7684\u4e3b\u8981\u662f\u4f5c\u4e3a\u6d88\u606f\u7c7b\u7684\u57fa\u7c7b，\u4e3a\u540e\u7eed\u5177\u4f53\u6d88\u606f\u7c7b\u7684\u5b9e\u73b0\u63d0\u4f9b\u7edf\u4e00\u7684\u63a5\u53e3\u548c\u7ed3\u6784\u6846\u67b6\u3002<\/p>\n

using System.Collections;
\nusing System.Collections.Generic;<\/p>\n

public class BaseMsg : BaseData
\n{
\n public override int GetBytesNum()
\n {
\n throw new System.NotImplementedException();
\n }<\/p>\n

public override int Reading(byte[] bytes, int beginIndex = 0)
\n {
\n throw new System.NotImplementedException();
\n }<\/p>\n

public override byte[] Writing()
\n {
\n throw new System.NotImplementedException();
\n }
\n public virtual int GetID()
\n {
\n return 0;
\n }
\n}<\/p>\n

\u73a9\u5bb6\u4fe1\u606f\u7c7b<\/h3>\n

\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aPlayerMsg\u7684\u7c7b，\u5b83\u7ee7\u627f\u81eaBaseMsg\u7c7b\u3002PlayerMsg\u7c7b\u4ee3\u8868\u4e86\u4e0e\u73a9\u5bb6\u76f8\u5173\u7684\u6d88\u606f，\u5e76\u4e14\u5b9e\u73b0\u4e86\u6d88\u606f\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u529f\u80fd\u3002<\/p>\n

using System.Collections;
\nusing System.Collections.Generic;<\/p>\n

public class PlayerMsg : BaseMsg
\n{
\n public int playerID;
\n public PlayerData playerData;
\n public override int GetBytesNum()
\n {
\n return 4 +\/\/\u6d88\u606fID
\n 4 +\/\/playerID\u957f\u5ea6
\n playerData.GetBytesNum();\/\/\u6d88\u606f\u7684\u957f\u5ea6
\n }<\/p>\n

public override int GetID()
\n {
\n return 1001;
\n }<\/p>\n

public override int Reading(byte[] bytes, int beginIndex = 0)
\n {
\n \/\/\u53cd\u5e8f\u5217\u5316\u4e0d\u9700\u8981\u53bb\u89e3\u6790ID,\u56e0\u4e3a\u5728\u8fd9\u4e00\u6b65\u4e4b\u524d，\u5c31\u5e94\u8be5\u5c06ID\u53cd\u5e8f\u5217\u5316\u51fa\u6765
\n \/\/\u7528\u6765\u5224\u65ad\u5230\u5e95\u4f7f\u7528\u54ea\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7c7b\u6765\u53cd\u5e8f\u5217\u5316
\n int index = beginIndex;
\n playerID = ReadInt(bytes, ref index);
\n playerData = ReadData<PlayerData>(bytes, ref index);
\n return index – beginIndex;
\n }<\/p>\n

public override byte[] Writing()
\n {
\n int index = 0;
\n byte[] playerBytes = new byte[GetBytesNum()];
\n \/\/\u5148\u5199\u6d88\u606fID
\n WriteInt(playerBytes, GetID(), ref index);
\n WriteInt(playerBytes, playerID, ref index);
\n WriteData(playerBytes, playerData, ref index);
\n return playerBytes;
\n }
\n}<\/p>\n

using System.Collections;
\nusing System.Collections.Generic;
\nusing System.Text;<\/p>\n

public class PlayerData : BaseData
\n{
\n public string name;
\n public int lev;
\n public int atk;<\/p>\n

public override int GetBytesNum()
\n {
\n return 4 + 4 + 4 + Encoding.UTF8.GetBytes(name).Length;
\n }<\/p>\n

public override int Reading(byte[] bytes, int beginIndex = 0)
\n {
\n int index = beginIndex;
\n name=ReadString(bytes, ref index);
\n lev=ReadInt(bytes, ref index);
\n atk=ReadInt(bytes, ref index);
\n return index – beginIndex;
\n }<\/p>\n

public override byte[] Writing()
\n {
\n int index = 0;
\n byte[] bytes = new byte[GetBytesNum()];
\n WriteString(bytes, name, ref index);
\n WriteInt(bytes, lev, ref index);
\n WriteInt(bytes, atk, ref index);
\n return bytes;
\n }
\n}<\/p>\n

\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aPlayerData\u7684\u7c7b，\u5b83\u7ee7\u627f\u81eaBaseData\u7c7b\u3002PlayerData\u7c7b\u7684\u4f5c\u7528\u662f\u7528\u6765\u8868\u793a\u73a9\u5bb6\u7684\u76f8\u5173\u6570\u636e，\u5e76\u4e14\u5b9e\u73b0\u4e86\u8fd9\u4e9b\u6570\u636e\u7684\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u529f\u80fd\u3002<\/p>\n

\u670d\u52a1\u7aef\u7c7b<\/h3>\n

\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aServerSocket\u7684\u7c7b，\u7528\u4e8e\u6784\u5efa\u57fa\u4e8e UDP \u534f\u8bae\u7684\u670d\u52a1\u5668，\u5b83\u80fd\u901a\u8fc7\u7ed1\u5b9a\u6307\u5b9a IP \u548c\u7aef\u53e3\u542f\u52a8\u670d\u52a1，\u5229\u7528\u7ebf\u7a0b\u6c60\u5b9e\u73b0\u6d88\u606f\u63a5\u6536\u4e0e\u5ba2\u6237\u7aef\u8d85\u65f6\u68c0\u67e5，\u5c06\u5ba2\u6237\u7aef\u4fe1\u606f\u5b58\u50a8\u5728\u5b57\u5178\u4e2d，\u53ef\u5904\u7406\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5，\u63a5\u6536\u5ba2\u6237\u7aef\u6d88\u606f\u5e76\u4ea4\u4e88\u5bf9\u5e94\u5ba2\u6237\u7aef\u5bf9\u8c61\u5904\u7406，\u652f\u6301\u5411\u6307\u5b9a\u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f\u3001\u5411\u6240\u6709\u5ba2\u6237\u7aef\u5e7f\u64ad\u6d88\u606f，\u8fd8\u80fd\u79fb\u9664\u8d85\u65f6\u6216\u6307\u5b9a\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n

using System;
\nusing System.Collections.Generic;
\nusing System.Linq;
\nusing System.Net;
\nusing System.Net.Sockets;
\nusing System.Text;
\nusing System.Threading;
\nusing System.Threading.Tasks;<\/p>\n

namespace UDPServerExerise
\n{
\n class ServerSocket
\n {
\n public Socket socket;
\n private bool IsClose;
\n \/\/\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bb0\u5f55\u8c01\u7ed9\u6211\u4eec\u53d1\u4e86\u6d88\u606f \u628a\u5b83\u7684IP\u548c\u7aef\u53e3\u8bb0\u5f55\u4e0b\u6765 \u8fd9\u6837\u5c31\u8ba4\u4e3a\u4ed6\u662f\u6211\u7684\u5ba2\u6237\u7aef\u4e86
\n private Dictionary<string, Client> clientDic = new Dictionary<string, Client>();
\n public void Start(string ip,int port)
\n {
\n socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
\n IPEndPoint ipPoint = new IPEndPoint(IPAddress.Parse(ip), port);
\n try
\n {
\n socket.Bind(ipPoint);
\n IsClose = false;
\n }
\n catch (Exception e)
\n {
\n Console.WriteLine("UDP\u5f00\u542f\u9519\u8bef" + e.Message);
\n }
\n \/\/\u63a5\u6536\u6d88\u606f，\u4f7f\u7528\u7ebf\u7a0b\u6c60
\n ThreadPool.QueueUserWorkItem(ReceiveMsg);
\n \/\/\u68c0\u6d4b\u8d85\u65f6\u7684\u7ebf\u7a0b
\n ThreadPool.QueueUserWorkItem(CheakTimeOut);
\n }
\n private void CheakTimeOut(object obj)
\n {
\n long nowTime=0;
\n List<string> delClient = new List<string>();
\n while (true)
\n {
\n \/\/30\u79d2\u68c0\u67e5\u4e00\u6b21
\n Thread.Sleep(30000);
\n \/\/\u5f97\u5230\u5f53\u524d\u7cfb\u7edf\u65f6\u95f4
\n nowTime = DateTime.Now.Ticks \/ TimeSpan.TicksPerSecond;
\n foreach (Client c in clientDic .Values)
\n {
\n \/\/\u8d85\u8fc7\u5341\u79d2\u6ca1\u6709 \u6536\u5230\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u9700\u8981\u88ab\u79fb\u9664
\n if(nowTime -c.frontTime >=10)
\n {
\n delClient.Add(c.clientID);
\n }
\n }
\n \/\/\u4ece\u5f85\u5220\u9664\u5217\u8868\u4e2d\u5220\u9664\u8d85\u65f6\u5ba2\u6237\u7aef
\n for (int i = 0; i < delClient.Count; i++)
\n RemoveClient(delClient[i]);
\n delClient.Clear();
\n }
\n }
\n private void ReceiveMsg(object obj)
\n {
\n byte[] bytes = new byte[512];
\n \/\/\u8bb0\u5f55\u8c01\u53d1\u7684
\n string strID = "";
\n string ip;
\n int port;
\n EndPoint ipPoint = new IPEndPoint(IPAddress.Any, 0);
\n while (!IsClose)
\n {
\n if(socket.Available >0)
\n {
\n lock(socket)
\n socket.ReceiveFrom(bytes, ref ipPoint);
\n \/\/\u5904\u7406\u6d88\u606f \u6700\u597d\u4e0d\u8981\u76f4\u63a5\u5728\u8fd9\u91cc\u5904\u7406，\u800c\u662f\u4ea4\u7ed9\u5ba2\u6237\u7aef\u5bf9\u8c61\u5904\u7406
\n \/\/\u6536\u5230\u6d88\u606f\u65f6，\u6211\u4eec\u8981\u5224\u65ad \u662f\u4e0d\u662f\u8bb0\u5f55\u4e86\u8fd9\u4e2a\u5ba2\u6237\u7aef\u7684\u4fe1\u606f(ip\u548c\u7aef\u53e3)
\n \/\/\u51fa\u53bb\u53d1\u9001\u6d88\u606f\u7ed9\u6211\u7684IP\u548c\u7aef\u53e3
\n ip = (ipPoint as IPEndPoint).Address.ToString();
\n port = (ipPoint as IPEndPoint).Port;
\n strID = ip + port;\/\/\u62fc\u63a5\u6210\u552f\u4e00\u4e00\u4e2aID\u8fd9\u662f\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u89c4\u5219
\n \/\/\u5224\u65ad\u6709\u6ca1\u6709\u8bb0\u5f55\u8fd9\u4e2a\u5ba2\u6237\u7aef\u7684\u4fe1\u606f，\u5982\u679c\u6709\u76f4\u63a5\u7528\u5b83\u5904\u7406\u4fe1\u606f
\n if(clientDic .ContainsKey (strID ))
\n {
\n clientDic[strID].ReceiveMsg(bytes);
\n }
\n else\/\/\u5982\u679c\u6ca1\u6709 \u76f4\u63a5\u6dfb\u52a0\u5e76\u5904\u7406\u6d88\u606f
\n {
\n clientDic.Add(strID, new Client(ip, port));
\n clientDic[strID].ReceiveMsg(bytes);
\n }<\/p>\n

}
\n }
\n }
\n public void SendTo(BaseMsg msg,IPEndPoint ipPoint)
\n {
\n try
\n {
\n lock (socket)
\n socket.SendTo(msg.Writing(), ipPoint);
\n }
\n catch (SocketException s)
\n {
\n Console.WriteLine("\u53d1\u6d88\u606f\u51fa\u73b0\u95ee\u9898" + s.SocketErrorCode + s.Message);
\n }
\n catch (Exception e)
\n {
\n Console.WriteLine("\u53d1\u6d88\u606f\u51fa\u73b0\u95ee\u9898(\u53ef\u80fd\u662f\u5e8f\u5217\u5316\u7684\u95ee\u9898)" + e.Message);
\n }<\/p>\n

}
\n private void Close()
\n {
\n if(socket!=null)
\n {
\n socket.Shutdown(SocketShutdown.Both);
\n socket.Close();
\n IsClose = true;
\n socket = null;
\n }
\n }
\n public void BoardCast(BaseMsg msg)
\n {
\n \/\/\u5e7f\u64ad\u7ed9\u8c01
\n foreach (Client c in clientDic .Values)
\n {
\n SendTo(msg,c.ipAndPoint);
\n }
\n }
\n public void RemoveClient(string clientID)
\n {
\n if(clientDic .ContainsKey (clientID))
\n {
\n Console.WriteLine("\u5ba2\u6237\u7aef{0}\u88ab\u79fb\u9664\u4e86", clientID);
\n clientDic.Remove(clientID);
\n }
\n }
\n }
\n}<\/p>\n

\u5ba2\u6237\u7aef\u7c7b<\/h3>\n

\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86Client\u7c7b，\u7528\u4e8e\u5904\u7406 UDP \u670d\u52a1\u5668\u7aef\u63a5\u6536\u5230\u7684\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u6d88\u606f\u3002Client\u7c7b\u7684\u6784\u9020\u51fd\u6570\u901a\u8fc7\u4f20\u5165\u7684 IP \u548c\u7aef\u53e3\u521b\u5efaIPEndPoint\u5bf9\u8c61\u5e76\u751f\u6210\u552f\u4e00\u7684\u5ba2\u6237\u7aef ID；ReceiveMsg\u65b9\u6cd5\u63a5\u6536\u6d88\u606f\u5b57\u8282\u6570\u7ec4，\u62f7\u8d1d\u6d88\u606f\u5230\u65b0\u6570\u7ec4，\u8bb0\u5f55\u6d88\u606f\u63a5\u6536\u65f6\u95f4，\u5e76\u5c06\u6d88\u606f\u5904\u7406\u4efb\u52a1\u653e\u5165\u7ebf\u7a0b\u6c60；ReceiceHandleMsg\u65b9\u6cd5\u4ece\u6d88\u606f\u5b57\u8282\u6570\u7ec4\u4e2d\u89e3\u6790\u6d88\u606f\u7c7b\u578b\u3001\u957f\u5ea6\u548c\u6d88\u606f\u4f53，\u9488\u5bf9\u4e0d\u540c\u6d88\u606f ID（\u5982 1001 \u5bf9\u5e94PlayerMsg\u6d88\u606f，1003 \u5bf9\u5e94quitMsg\u6d88\u606f）\u8fdb\u884c\u76f8\u5e94\u5904\u7406，\u5982\u53cd\u5e8f\u5217\u5316PlayerMsg\u5e76\u8f93\u51fa\u76f8\u5173\u4fe1\u606f，\u5904\u7406quitMsg\u65f6\u79fb\u9664\u5bf9\u5e94\u5ba2\u6237\u7aef，\u82e5\u5904\u7406\u6d88\u606f\u51fa\u9519\u4e5f\u4f1a\u79fb\u9664\u8be5\u5ba2\u6237\u7aef\u3002<\/p>\n

using System;
\nusing System.Collections.Generic;
\nusing System.Linq;
\nusing System.Net;
\nusing System.Text;
\nusing System.Threading;
\nusing System.Threading.Tasks;<\/p>\n

namespace UDPServerExerise
\n{
\n class Client
\n {
\n public IPEndPoint ipAndPoint;
\n public string clientID;
\n public float frontTime = -1;
\n public Client (string ip,int port)
\n {
\n \/\/\u89c4\u5219\u548c\u5916\u8fb9\u4e00\u6837 \u8bb0\u5f55\u552f\u4e00ID \u901a\u8fc7ip\u548cport\u62fc\u63a5\u7684\u5f62\u5f0f
\n clientID = ip + port;
\n \/\/\u628a\u5ba2\u6237\u7aef\u7684\u4fe1\u606f\u8bb0\u5f55\u4e0b\u6765
\n ipAndPoint = new IPEndPoint(IPAddress.Parse(ip), port);
\n }
\n public void ReceiveMsg(byte[]bytes)
\n {
\n \/\/\u4e3a\u4e86\u907f\u514d\u5904\u7406\u6d88\u606f\u65f6\u53c8\u63a5\u6536\u5230\u4e86\u65b0\u7684\u6d88\u606f \u6240\u4ee5\u6211\u4eec\u9700\u8981\u5728\u5904\u7406\u6d88\u606f\u524d \u5148\u628a\u6d88\u606f\u62f7\u8d1d\u51fa\u6765
\n \/\/\u5904\u7406\u6d88\u606f\u548c\u63a5\u6536\u6d88\u606f\u7528\u4e0d\u540c\u5bb9\u5668 \u907f\u514d\u53d1\u751f\u51b2\u7a81
\n byte[] cacheBytes = new byte[512];
\n bytes.CopyTo(cacheBytes, 0);
\n \/\/\u8bb0\u5f55\u53d1\u6d88\u606f\u7684\u7cfb\u7edf\u65f6\u95f4
\n frontTime = DateTime.Now.Ticks \/ TimeSpan.TicksPerSecond;
\n ThreadPool.QueueUserWorkItem(ReceiceHandleMsg, cacheBytes);
\n }
\n private void ReceiceHandleMsg(object obj)
\n {
\n try
\n {
\n byte[] bytes = obj as byte[];
\n int nowIndex = 0;
\n \/\/\u89e3\u6790\u6d88\u606f\u7c7b\u578b
\n int msgID = BitConverter.ToInt32(bytes, nowIndex);
\n nowIndex += 4;
\n \/\/\u89e3\u6790\u6d88\u606f\u957f\u5ea6
\n int length = BitConverter.ToInt32(bytes, nowIndex);
\n nowIndex += 4;
\n \/\/\u89e3\u6790\u6d88\u606f\u4f53
\n switch (msgID)
\n {
\n case 1001:
\n PlayerMsg playerMsg = new PlayerMsg();
\n playerMsg.Reading(bytes, nowIndex);
\n Console.WriteLine(playerMsg.playerID);
\n Console.WriteLine(playerMsg.playerData.lev);
\n Console.WriteLine(playerMsg.playerData.atk);
\n Console.WriteLine(playerMsg.playerData.name);
\n break;
\n case 1003:
\n quitMsg quitMsg = new quitMsg();
\n \/\/\u7531\u4e8e\u5b83\u6ca1\u6709\u6d88\u606f\u4f53 \u6240\u4ee5\u4e0d\u7528\u53cd\u5e8f\u5217\u5316
\n \/\/quitMsg.Reading(bytes, nowIndex);
\n \/\/\u5904\u7406\u9000\u51fa
\n Program.serverSocket.RemoveClient(clientID);
\n break;
\n }
\n }
\n catch (Exception e)
\n {
\n Console.WriteLine("\u5904\u7406\u6d88\u606f\u51fa\u9519" + e.Message);
\n \/\/\u5982\u679c\u51fa\u9519\u4e86，\u5c31\u4e0d\u7528\u8bb0\u5f55\u5ba2\u6237\u7aef\u7684\u4fe1\u606f\u4e86
\n Program.serverSocket.RemoveClient(clientID);
\n }
\n }
\n }
\n}<\/p>\n

\u9000\u51fa\u6d88\u606f\u7c7b<\/h3>\n

\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aquitMsg\u7684\u7c7b，\u5b83\u7ee7\u627f\u81eaBaseMsg\u7c7b，\u7528\u4e8e\u8868\u793a\u9000\u51fa\u6d88\u606f，\u91cd\u5199\u4e86GetBytesNum\u65b9\u6cd5\u6307\u5b9a\u6d88\u606f\u5b57\u8282\u6570\u4e3a 8，\u91cd\u5199GetID\u65b9\u6cd5\u8fd4\u56de\u6d88\u606f\u552f\u4e00\u6807\u8bc6\u7b26 1003，\u91cd\u5199Reading\u65b9\u6cd5\u8c03\u7528\u57fa\u7c7b\u65b9\u6cd5\u8fdb\u884c\u53cd\u5e8f\u5217\u5316，\u91cd\u5199Writing\u65b9\u6cd5\u5c06\u6d88\u606f ID \u548c\u6d88\u606f\u4f53\u957f\u5ea6（\u8fd9\u91cc\u8bbe\u4e3a 0）\u5e8f\u5217\u5316\u4e3a\u5b57\u8282\u6570\u7ec4\u3002<\/p>\n

using System.Collections;
\nusing System.Collections.Generic;<\/p>\n

public class quitMsg : BaseMsg
\n{
\n public override int GetBytesNum()
\n {
\n return 8;
\n }<\/p>\n

public override int GetID()
\n {
\n return 1003;
\n }<\/p>\n

public override int Reading(byte[] bytes, int beginIndex = 0)
\n {
\n return base.Reading(bytes, beginIndex);
\n }<\/p>\n

public override byte[] Writing()
\n {
\n int index = 0;
\n byte[] bytes = new byte[GetBytesNum()];
\n WriteInt(bytes, GetID(), ref index);
\n WriteInt(bytes, 0, ref index);
\n return bytes;
\n }
\n}<\/p>\n

\u4e3b\u51fd\u6570\u542f\u52a8\u670d\u52a1\u5668<\/h3>\n

using System;
\nusing System.Collections.Generic;
\nusing System.Linq;
\nusing System.Text;
\nusing System.Threading.Tasks;<\/p>\n

namespace UDPServerExerise
\n{
\n class Program
\n {
\n public static ServerSocket serverSocket;
\n static void Main(string[] args)
\n {<\/p>\n

serverSocket = new ServerSocket();
\n serverSocket.Start("127.0.0.1", 8080);
\n Console.WriteLine("UDP\u670d\u52a1\u5668\u542f\u52a8\u4e86");
\n string input = Console.ReadLine();
\n if(input.Substring (0,2)=="B:")
\n {
\n PlayerMsg msg = new PlayerMsg();
\n msg.playerData = new PlayerData();
\n msg.playerID = 1001;
\n msg.playerData.atk = 999;
\n msg.playerData.lev = 88;
\n msg.playerData.name ="DamnF\u7684\u670d\u52a1\u5668";
\n serverSocket.BoardCast(msg);
\n }
\n }
\n }
\n}<\/p>\n

\u6210\u529f\u8fd0\u884c\u7a0b\u5e8f–\u7b49\u5f85\u5ba2\u6237\u7aef\u901a\u4fe1<\/h3>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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