zoukankan      html  css  js  c++  java
  • 自定义强大的C#网络操作基础类(NetHelper)

    using System; using System.Text;
    using
    System.Net.Sockets;
    using
    System.Net.Mail;
    using
    System.Net;

    namespace
    DotNet.Utilities
    {
       
    /// <summary>
       
    /// 网络操作相关的类
       
    /// </summary>   
       
    publicclassNetHelper
       
    {
           
    #region 检查设置的IP地址是否正确,返回正确的IP地址
           
    /// <summary>
           
    /// 检查设置的IP地址是否正确,并返回正确的IP地址,无效IP地址返回"-1"。
           
    /// </summary>
           
    /// <param name="ip">设置的IP地址</param>
           
    //public static string GetValidIP(string ip)
           
    //{
           
    //    if (PageValidate.IsIP(ip))
           
    //    {
           
    //        return ip;
           
    //    }
           
    //    else
           
    //    {
           
    //        return "-1";
           
    //    }
           
    //}
           
    #endregion

           
    #region 检查设置的端口号是否正确,返回正确的端口号
           
    /// <summary>
           
    /// 检查设置的端口号是否正确,并返回正确的端口号,无效端口号返回-1。
           
    /// </summary>
           
    /// <param name="port">设置的端口号</param>
           
    publicstaticintGetValidPort(string port)
           
    {
               
    //声明返回的正确端口号
               
    int validPort =-1;
               
    //最小有效端口号
               
    constint MINPORT =0;
               
    //最大有效端口号
               
    constint MAXPORT =65535;

               
    //检测端口号
               
    try
               
    {
                   
    //传入的端口号为空则抛出异常
                   
    if(port =="")
                   
    {
                       
    thrownewException("端口号不能为空!");
                   
    }

                   
    //检测端口范围
                   
    if((Convert.ToInt32(port)< MINPORT)||(Convert.ToInt32(port)> MAXPORT))
                   
    {
                       
    thrownewException("端口号范围无效!");
                   
    }

                   
    //为端口号赋值
                    validPort
    =Convert.ToInt32(port);
               
    }
               
    catch(Exception ex)
               
    {
                   
    string errMessage = ex.Message;
               
    }
               
    return validPort;
           
    }
           
    #endregion

           
    #region 将字符串形式的IP地址转换成IPAddress对象
           
    /// <summary>
           
    /// 将字符串形式的IP地址转换成IPAddress对象
           
    /// </summary>
           
    /// <param name="ip">字符串形式的IP地址</param>       
           
    publicstaticIPAddressStringToIPAddress(string ip)
           
    {
               
    returnIPAddress.Parse(ip);
           
    }
           
    #endregion

           
    #region 获取本机的计算机名
           
    /// <summary>
           
    /// 获取本机的计算机名
           
    /// </summary>
           
    publicstaticstringLocalHostName
           
    {
                get
               
    {
                   
    returnDns.GetHostName();
               
    }
           
    }
           
    #endregion

           
    #region 获取本机的局域网IP
           
    /// <summary>
           
    /// 获取本机的局域网IP
           
    /// </summary>       
           
    publicstaticstring LANIP
           
    {
                get
               
    {
                   
    //获取本机的IP列表,IP列表中的第一项是局域网IP,第二项是广域网IP
                   
    IPAddress[] addressList =Dns.GetHostEntry(Dns.GetHostName()).AddressList;

                   
    //如果本机IP列表为空,则返回空字符串
                   
    if(addressList.Length<1)
                   
    {
                       
    return"";
                   
    }

                   
    //返回本机的局域网IP
                   
    return addressList[0].ToString();
               
    }
           
    }
           
    #endregion

           
    #region 获取本机在Internet网络的广域网IP
           
    /// <summary>
           
    /// 获取本机在Internet网络的广域网IP
           
    /// </summary>       
           
    publicstaticstring WANIP
           
    {
                get
               
    {
                   
    //获取本机的IP列表,IP列表中的第一项是局域网IP,第二项是广域网IP
                   
    IPAddress[] addressList =Dns.GetHostEntry(Dns.GetHostName()).AddressList;

                   
    //如果本机IP列表小于2,则返回空字符串
                   
    if(addressList.Length<2)
                   
    {
                       
    return"";
                   
    }

                   
    //返回本机的广域网IP
                   
    return addressList[1].ToString();
               
    }
           
    }
           
    #endregion

           
    #region 获取远程客户机的IP地址
           
    /// <summary>
           
    /// 获取远程客户机的IP地址
           
    /// </summary>
           
    /// <param name="clientSocket">客户端的socket对象</param>       
           
    publicstaticstringGetClientIP(Socket clientSocket)
           
    {
               
    IPEndPoint client =(IPEndPoint)clientSocket.RemoteEndPoint;
               
    return client.Address.ToString();
           
    }
           
    #endregion

           
    #region 创建一个IPEndPoint对象
           
    /// <summary>
           
    /// 创建一个IPEndPoint对象
           
    /// </summary>
           
    /// <param name="ip">IP地址</param>
           
    /// <param name="port">端口号</param>       
           
    publicstaticIPEndPointCreateIPEndPoint(string ip,int port)
           
    {
               
    IPAddress ipAddress =StringToIPAddress(ip);
               
    returnnewIPEndPoint(ipAddress, port);
           
    }
           
    #endregion

           
    #region 创建一个TcpListener对象
           
    /// <summary>
           
    /// 创建一个自动分配IP和端口的TcpListener对象
           
    /// </summary>       
           
    publicstaticTcpListenerCreateTcpListener()
           
    {
               
    //创建一个自动分配的网络节点
               
    IPAddress ipAddress =IPAddress.Any;
               
    IPEndPoint localEndPoint =newIPEndPoint(ipAddress,0);

               
    returnnewTcpListener(localEndPoint);
           
    }
           
    /// <summary>
           
    /// 创建一个TcpListener对象
           
    /// </summary>
           
    /// <param name="ip">IP地址</param>
           
    /// <param name="port">端口</param>       
           
    publicstaticTcpListenerCreateTcpListener(string ip,int port)
           
    {
               
    //创建一个网络节点
               
    IPAddress ipAddress =StringToIPAddress(ip);
               
    IPEndPoint localEndPoint =newIPEndPoint(ipAddress, port);

               
    returnnewTcpListener(localEndPoint);
           
    }
           
    #endregion

           
    #region 创建一个基于TCP协议的Socket对象
           
    /// <summary>
           
    /// 创建一个基于TCP协议的Socket对象
           
    /// </summary>       
           
    publicstaticSocketCreateTcpSocket()
           
    {
               
    returnnewSocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
           
    }
           
    #endregion

           
    #region 创建一个基于UDP协议的Socket对象
           
    /// <summary>
           
    /// 创建一个基于UDP协议的Socket对象
           
    /// </summary>       
           
    publicstaticSocketCreateUdpSocket()
           
    {
               
    returnnewSocket(AddressFamily.InterNetwork,SocketType.Dgram,ProtocolType.Udp);
           
    }
           
    #endregion

           
    #region 获取本地终结点

           
    #region 获取TcpListener对象的本地终结点
           
    /// <summary>
           
    /// 获取TcpListener对象的本地终结点
           
    /// </summary>
           
    /// <param name="tcpListener">TcpListener对象</param>       
           
    publicstaticIPEndPointGetLocalPoint(TcpListener tcpListener)
           
    {
               
    return(IPEndPoint)tcpListener.LocalEndpoint;
           
    }

           
    /// <summary>
           
    /// 获取TcpListener对象的本地终结点的IP地址
           
    /// </summary>
           
    /// <param name="tcpListener">TcpListener对象</param>       
           
    publicstaticstringGetLocalPoint_IP(TcpListener tcpListener)
           
    {
               
    IPEndPoint localEndPoint =(IPEndPoint)tcpListener.LocalEndpoint;
               
    return localEndPoint.Address.ToString();
           
    }

           
    /// <summary>
           
    /// 获取TcpListener对象的本地终结点的端口号
           
    /// </summary>
           
    /// <param name="tcpListener">TcpListener对象</param>       
           
    publicstaticintGetLocalPoint_Port(TcpListener tcpListener)
           
    {
               
    IPEndPoint localEndPoint =(IPEndPoint)tcpListener.LocalEndpoint;
               
    return localEndPoint.Port;
           
    }
           
    #endregion

           
    #region 获取Socket对象的本地终结点
           
    /// <summary>
           
    /// 获取Socket对象的本地终结点
           
    /// </summary>
           
    /// <param name="socket">Socket对象</param>       
           
    publicstaticIPEndPointGetLocalPoint(Socket socket)
           
    {
               
    return(IPEndPoint)socket.LocalEndPoint;
           
    }

           
    /// <summary>
           
    /// 获取Socket对象的本地终结点的IP地址
           
    /// </summary>
           
    /// <param name="socket">Socket对象</param>       
           
    publicstaticstringGetLocalPoint_IP(Socket socket)
           
    {
               
    IPEndPoint localEndPoint =(IPEndPoint)socket.LocalEndPoint;
               
    return localEndPoint.Address.ToString();
           
    }

           
    /// <summary>
           
    /// 获取Socket对象的本地终结点的端口号
           
    /// </summary>
           
    /// <param name="socket">Socket对象</param>       
           
    publicstaticintGetLocalPoint_Port(Socket socket)
           
    {
               
    IPEndPoint localEndPoint =(IPEndPoint)socket.LocalEndPoint;
               
    return localEndPoint.Port;
           
    }
           
    #endregion

           
    #endregion

           
    #region 绑定终结点
           
    /// <summary>
           
    /// 绑定终结点
           
    /// </summary>
           
    /// <param name="socket">Socket对象</param>
           
    /// <param name="endPoint">要绑定的终结点</param>
           
    publicstaticvoidBindEndPoint(Socket socket,IPEndPoint endPoint)
           
    {
               
    if(!socket.IsBound)
               
    {
                    socket
    .Bind(endPoint);
               
    }
           
    }

           
    /// <summary>
           
    /// 绑定终结点
           
    /// </summary>
           
    /// <param name="socket">Socket对象</param>       
           
    /// <param name="ip">服务器IP地址</param>
           
    /// <param name="port">服务器端口</param>
           
    publicstaticvoidBindEndPoint(Socket socket,string ip,int port)
           
    {
               
    //创建终结点
               
    IPEndPoint endPoint =CreateIPEndPoint(ip, port);

               
    //绑定终结点
               
    if(!socket.IsBound)
               
    {
                    socket
    .Bind(endPoint);
               
    }
           
    }
           
    #endregion

           
    #region 指定Socket对象执行监听
           
    /// <summary>
           
    /// 指定Socket对象执行监听,默认允许的最大挂起连接数为100
           
    /// </summary>
           
    /// <param name="socket">执行监听的Socket对象</param>
           
    /// <param name="port">监听的端口号</param>
           
    publicstaticvoidStartListen(Socket socket,int port)
           
    {
               
    //创建本地终结点
               
    IPEndPoint localPoint =CreateIPEndPoint(NetHelper.LocalHostName, port);

               
    //绑定到本地终结点
               
    BindEndPoint(socket, localPoint);

               
    //开始监听
                socket
    .Listen(100);
           
    }

           
    /// <summary>
           
    /// 指定Socket对象执行监听
           
    /// </summary>
           
    /// <param name="socket">执行监听的Socket对象</param>
           
    /// <param name="port">监听的端口号</param>
           
    /// <param name="maxConnection">允许的最大挂起连接数</param>
           
    publicstaticvoidStartListen(Socket socket,int port,int maxConnection)
           
    {
               
    //创建本地终结点
               
    IPEndPoint localPoint =CreateIPEndPoint(NetHelper.LocalHostName, port);

               
    //绑定到本地终结点
               
    BindEndPoint(socket, localPoint);

               
    //开始监听
                socket
    .Listen(maxConnection);
           
    }

           
    /// <summary>
           
    /// 指定Socket对象执行监听
           
    /// </summary>
           
    /// <param name="socket">执行监听的Socket对象</param>
           
    /// <param name="ip">监听的IP地址</param>
           
    /// <param name="port">监听的端口号</param>
           
    /// <param name="maxConnection">允许的最大挂起连接数</param>
           
    publicstaticvoidStartListen(Socket socket,string ip,int port,int maxConnection)
           
    {
               
    //绑定到本地终结点
               
    BindEndPoint(socket, ip, port);

               
    //开始监听
                socket
    .Listen(maxConnection);
           
    }
           
    #endregion

           
    #region 连接到基于TCP协议的服务器
           
    /// <summary>
           
    /// 连接到基于TCP协议的服务器,连接成功返回true,否则返回false
           
    /// </summary>
           
    /// <param name="socket">Socket对象</param>
           
    /// <param name="ip">服务器IP地址</param>
           
    /// <param name="port">服务器端口号</param>    
           
    publicstatic bool Connect(Socket socket,string ip,int port)
           
    {
               
    try
               
    {
                   
    //连接服务器
                    socket
    .Connect(ip, port);

                   
    //检测连接状态
                   
    return socket.Poll(-1,SelectMode.SelectWrite);
               
    }
               
    catch(SocketException ex)
               
    {
                   
    thrownewException(ex.Message);
                   
    //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
               
    }
           
    }
           
    #endregion

           
    #region 以同步方式发送消息
           
    /// <summary>
           
    /// 以同步方式向指定的Socket对象发送消息
           
    /// </summary>
           
    /// <param name="socket">socket对象</param>
           
    /// <param name="msg">发送的消息</param>
           
    publicstaticvoidSendMsg(Socket socket,byte[] msg)
           
    {
               
    //发送消息
                socket
    .Send(msg, msg.Length,SocketFlags.None);
           
    }

           
    /// <summary>
           
    /// 使用UTF8编码格式以同步方式向指定的Socket对象发送消息
           
    /// </summary>
           
    /// <param name="socket">socket对象</param>
           
    /// <param name="msg">发送的消息</param>
           
    publicstaticvoidSendMsg(Socket socket,string msg)
           
    {
               
    //将字符串消息转换成字符数组
               
    byte[] buffer =ConvertHelper.StringToBytes(msg,Encoding.Default);

               
    //发送消息
                socket
    .Send(buffer, buffer.Length,SocketFlags.None);
           
    }
           
    #endregion

           
    #region 以同步方式接收消息
           
    /// <summary>
           
    /// 以同步方式接收消息
           
    /// </summary>
           
    /// <param name="socket">socket对象</param>
           
    /// <param name="buffer">接收消息的缓冲区</param>
           
    publicstaticvoidReceiveMsg(Socket socket,byte[] buffer)
           
    {
                socket
    .Receive(buffer);
           
    }

           
    /// <summary>
           
    /// 以同步方式接收消息,并转换为UTF8编码格式的字符串,使用5000字节的默认缓冲区接收。
           
    /// </summary>
           
    /// <param name="socket">socket对象</param>       
           
    publicstaticstringReceiveMsg(Socket socket)
           
    {
               
    //定义接收缓冲区
               
    byte[] buffer =newbyte[5000];
               
    //接收数据,获取接收到的字节数
               
    int receiveCount = socket.Receive(buffer);

               
    //定义临时缓冲区
               
    byte[] tempBuffer =newbyte[receiveCount];
               
    //将接收到的数据写入临时缓冲区
               
    Buffer.BlockCopy(buffer,0, tempBuffer,0, receiveCount);
               
    //转换成字符串,并将其返回
               
    returnConvertHelper.BytesToString(tempBuffer,Encoding.Default);
           
    }
           
    #endregion

           
    #region 关闭基于Tcp协议的Socket对象
           
    /// <summary>
           
    /// 关闭基于Tcp协议的Socket对象
           
    /// </summary>
           
    /// <param name="socket">要关闭的Socket对象</param>
           
    publicstaticvoidClose(Socket socket)
           
    {
               
    try
               
    {
                   
    //禁止Socket对象接收和发送数据
                    socket
    .Shutdown(SocketShutdown.Both);
               
    }
               
    catch(SocketException ex)
               
    {
                   
    throw ex;
               
    }
               
    finally
               
    {
                   
    //关闭Socket对象
                    socket
    .Close();
               
    }
           
    }
           
    #endregion

           
    #region 发送电子邮件
           
    /// <summary>
           
    /// 发送电子邮件,所有SMTP配置信息均在config配置文件中system.net节设置.
           
    /// </summary>
           
    /// <param name="receiveEmail">接收电子邮件的地址</param>
           
    /// <param name="msgSubject">电子邮件的标题</param>
           
    /// <param name="msgBody">电子邮件的正文</param>
           
    /// <param name="IsEnableSSL">是否开启SSL</param>
           
    publicstatic bool SendEmail(string receiveEmail,string msgSubject,string msgBody, bool IsEnableSSL)
           
    {
               
    //创建电子邮件对象
               
    MailMessage email =newMailMessage();
               
    //设置接收人的电子邮件地址
                email
    .To.Add(receiveEmail);
               
    //设置邮件的标题
                email
    .Subject= msgSubject;
               
    //设置邮件的正文
                email
    .Body= msgBody;
               
    //设置邮件为HTML格式
                email
    .IsBodyHtml=true;

               
    //创建SMTP客户端,将自动从配置文件中获取SMTP服务器信息
               
    SmtpClient smtp =newSmtpClient();
               
    //开启SSL
                smtp
    .EnableSsl=IsEnableSSL;

               
    try
               
    {
                   
    //发送电子邮件
                    smtp
    .Send(email);

                   
    returntrue;
               
    }
               
    catch(Exception ex)
               
    {
                   
    throw ex;
               
    }
           
    }

           
    #endregion
       
    }
    }

  • 相关阅读:
    Python中所有的关键字
    关于selenium的8种元素定位
    对提示框的操作
    selenium+webservice进行百度登录
    MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled...报错解决
    Vue中使用echarts
    npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142解决方法
    插入排序
    冒泡排序优化
    roject 'org.springframework.boot:spring-boot-starter-parent:XXX' not found 解决
  • 原文地址:https://www.cnblogs.com/superstar/p/3486307.html
Copyright © 2011-2022 走看看