using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Net;
using?System.Net.Sockets;
using?System.Text;
using?System.Threading.Tasks;

namespace?ConsoleApp2
{
????class?Program
????{
????????static?void?Main（string[]?args）
????????{
????????????int?port?=?6000;
????????????string?host?=?“127.0.0.1“;

????????????IPAddress?ip?=?IPAddress.Parse（host）;
????????????IPEndPoint?ipe?=?new?IPEndPoint（ip?port）;

????????????Socket?sSocket?=?new?Socket（AddressFamily.InterNetwork?SocketType.Stream?ProtocolType.Tcp）;
????????????sSocket.Bind（ipe）;
????????????sSocket.Listen（0）;
????????????Console.WriteLine（“監聽已經打開，請等待“）;

????????????//receive?message
????????????Socket?serverSocket?=?sSocket.Accept（）;
????????????Console.WriteLine（“連接已經建立“）;
????????????string?recStr?=?““;
????????????byte[]?recByte?=?new?byte[4096];
????????????int?bytes?=?serverSocket.Receive（recByte?recByte.Length?0）;
????????????recStr?+=?Encoding.ASCII.GetString（recByte?0?bytes）;

????????????//send?message
????????????Console.WriteLine（“服務器端獲得信息:{0}“?recStr）;
????????????string?sendStr?=?“send?to?client?:hello“;
????????????byte[]?sendByte?=?Encoding.ASCII.GetBytes（sendStr）;
????????????serverSocket.Send（sendByte?sendByte.Length?0）;
????????????serverSocket.Close（）;
????????????sSocket.Close（）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????31744??2020-09-03?16:40??socket\ConsoleApp2\.vs\ConsoleApp2\v15\.suo

?????文件???????4096??2020-05-04?13:16??socket\ConsoleApp2\.vs\ConsoleApp2\v15\Server\sqlite3\storage.ide

?????文件??????32768??2020-09-03?16:38??socket\ConsoleApp2\.vs\ConsoleApp2\v15\Server\sqlite3\storage.ide-shm

?????文件?????622152??2020-05-04?13:17??socket\ConsoleApp2\.vs\ConsoleApp2\v15\Server\sqlite3\storage.ide-wal

?????文件????????189??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\App.config

?????文件???????5632??2020-09-03?16:38??socket\ConsoleApp2\ConsoleApp2\bin\Debug\ConsoleApp2.exe

?????文件????????189??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\bin\Debug\ConsoleApp2.exe.config

?????文件??????15872??2020-09-03?16:38??socket\ConsoleApp2\ConsoleApp2\bin\Debug\ConsoleApp2.pdb

?????文件???????2372??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\ConsoleApp2.csproj

?????文件?????????42??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\obj\Debug\ConsoleApp2.csproj.CoreCompileInputs.cache

?????文件????????669??2020-05-04?13:17??socket\ConsoleApp2\ConsoleApp2\obj\Debug\ConsoleApp2.csproj.FileListAbsolute.txt

?????文件???????8077??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\obj\Debug\ConsoleApp2.csprojAssemblyReference.cache

?????文件???????5632??2020-09-03?16:38??socket\ConsoleApp2\ConsoleApp2\obj\Debug\ConsoleApp2.exe

?????文件??????15872??2020-09-03?16:38??socket\ConsoleApp2\ConsoleApp2\obj\Debug\ConsoleApp2.pdb

?????文件???????6806??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????????0??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件???????1426??2020-05-04?13:17??socket\ConsoleApp2\ConsoleApp2\Program.cs

?????文件???????1320??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2\Properties\AssemblyInfo.cs

?????文件???????1132??2020-05-04?13:16??socket\ConsoleApp2\ConsoleApp2.sln

????..A..H.?????36352??2020-09-03?16:40??socket\ConsoleApp3\.vs\ConsoleApp3\v15\.suo

?????文件???????4096??2020-05-04?13:19??socket\ConsoleApp3\.vs\ConsoleApp3\v15\Server\sqlite3\storage.ide

?????文件??????32768??2020-09-03?16:39??socket\ConsoleApp3\.vs\ConsoleApp3\v15\Server\sqlite3\storage.ide-shm

?????文件?????618032??2020-05-04?13:19??socket\ConsoleApp3\.vs\ConsoleApp3\v15\Server\sqlite3\storage.ide-wal

?????文件????????189??2020-05-04?13:19??socket\ConsoleApp3\ConsoleApp3\App.config

?????文件???????5120??2020-09-03?16:39??socket\ConsoleApp3\ConsoleApp3\bin\Debug\ConsoleApp3.exe

?????文件????????189??2020-05-04?13:19??socket\ConsoleApp3\ConsoleApp3\bin\Debug\ConsoleApp3.exe.config

?????文件??????15872??2020-09-03?16:39??socket\ConsoleApp3\ConsoleApp3\bin\Debug\ConsoleApp3.pdb

?????文件???????2372??2020-05-04?13:19??socket\ConsoleApp3\ConsoleApp3\ConsoleApp3.csproj

............此處省略42個文件信息