客户端程序源代码

SFTP客户端代码⽰例参考链接：操作系统：Windows7/8，VS2013环境：libssh2 1.4.3、zlib-1.2.8、openssl-1.0.1g原⽂：C:\Program Files (x86)\Microsoft VisualStudio 12.0\VC\lib提⽰找不到ws2_32.lib或odbc32.lib，添加下⾯的链接路径C:\Program Files (x86)\MicrosoftSDKs\Windows\v7.1A\Lib编译通过后⽂件输出到\libssh2-1.4.3\win32\Release_lib路径下”更新：libssh2.dsw⽂件位置：\libssh2-1.4.3\libssh2-1.4.3\win32zlib的头⽂件是zlib.h，库⽂件是：zlib.libopenssl的头⽂件是：opensslconf.h，库⽂件是：libeay32.lib，ssleay32.libzlib的头⽂件（zlib.h）位置：\libssh2-1.4.3\zte\zlib-1.2.5，库⽂件（zlib.lib）位置：\libssh2-1.4.3\zte\openssl-1.0.0b staticlib\Debug openssl头⽂件（opensslconf.h）位置：\libssh2-1.4.3\zte\openssl-1.0.1l\include\openssl，库⽂件（libeay32.lib，ssleay32.lib）位置：\libssh2-1.4.3\zte\openssl-1.0.0b staticlib\Debug分两个步骤：1.先编译输出libssh2.lib（1）配置好zlib和openssl的头⽂件和库⽂件链接位置后，编译libssh2项⽬即可，这时可以把tests项⽬卸载，反正⽤不到嘛；编译成功后，输出libssh2.lib到\libssh2-1.4.3\win32\Release_lib路径下，（ps:我这⾥⽣成的是libssh2d.lib，我把⽂件名改为libssh2.lib后可以正常使⽤）2.执⾏客户端，进⾏下载图⽚；新建个项⽬，把下⽂三个⽂件拷贝到项⽬中，配置libssh2.h，libssh2.lib链接位置后，即可执⾏成功；注意：路径及⽂件名不能含有中⽂，否则会报错；下⾯是SFTP客户端⽰例代码：三个⽂件的下载地址：（密码：1qhf）main.cpp1 #include "SFTP_Libssh2.h"2 #include <iostream>34int main(int argc, char* argv[])5 {6//下⾯的代码只要在进程初始化的时候执⾏7 kagula::network::SFTP_Init();89//测试SFTP链接10 kagula::network::SFTP_Libssh2* client = kagula::network::SFTP_Libssh2::Inst();11 std::string ip = "192.168.19.130";12 uint16_t port = 22;13 std::string usr = "kagula";14 std::string pwd = "123456";15if (false == client->IsAbilityConn(ip, port, usr, pwd))16 {17 std::cout << client->strLastError << std::endl;18return -1;19 }2021//测试⽂件上传,d:\\temp\\a.html22if (0 != client->upload(ip, 22, usr, pwd, "d:\\temp\\a.html", "/home/kagula/a.html"))23 {24 std::cout << "Error:" << client->strLastError << std::endl;25 } else26 {27 std::cout << client->strLastError << std::endl;28 }293031//测试⽂件下载32if (0 != client->download(ip, 22, usr, pwd, "/home/kagula/a.html","d:\\temp\\b.html" ))33 {34 std::cout << "Error:" << client->strLastError << std::endl;35 }36else37 {38 std::cout << client->strLastError << std::endl;39 }4041//进程准备结束，释放资源的时候，运⾏下⾯的代码42 kagula::network::SFTP_Exit();43return0;44 }SFTP_Libssh2.h1#pragma once23 #include <string>4 #include <atomic>56/*7功能：SFTP协议的⽂件传输功能8最后更新⽇期：2014-5-179简介：借助Libssh2库很容易实现sftp,ssh2客户端，这⾥给出10如何实现Sftp客户端的代码11测试环境:Windows 8.1 64bit、Visual Studio 2013 Professional SP112 OpenSSL 1.0.1g、zlib-1.2.8、libssh2 1.4.313 Win32控制台项⽬14注意：动态链接需要把“libssh2.dll”⽂件复制到当前项⽬路径下15说明：原来的代码⽀持多线程，从应⽤程序抽出来的时候简化了，16你可以修改代码使它同时⽀持上传或下载多个⽂件。

开源代码simple_pjsua代码解读简介：开源代码simple_pjsua是一个基于PJSIP库的简单SIP用户代理应用程序。

本文将对simple_pjsua代码进行解读，介绍其主要功能和实现原理。

一、功能介绍simple_pjsua是一个SIP用户代理应用程序，可以实现SIP协议的基本功能，包括注册、呼叫、接听、挂断等。

它提供了一个简单的命令行界面，用户可以通过命令来操作SIP通信。

二、代码结构simple_pjsua的代码结构清晰，主要包括以下几个文件：1. main.c：程序的入口文件，包含了主函数和一些全局变量的定义。

2. pjsua_app.c：定义了SIP用户代理的初始化、注册、呼叫等功能的实现。

3. pjsua_app.h：定义了SIP用户代理的相关结构体和函数的声明。

4. pjsua_cmd.c：定义了命令行界面的实现，包括命令的解析和执行。

5. pjsua_cmd.h：定义了命令行界面的相关结构体和函数的声明。

三、实现原理1. 初始化在main函数中，首先调用pjsua_app_init函数进行SIP用户代理的初始化。

该函数会创建一个pjsua_app_t结构体，并调用pjsua_create函数创建一个PJSUA库实例。

然后，通过pjsua_config结构体设置一些配置参数，如SIP服务器地址、端口号等。

最后，调用pjsua_init函数初始化PJSUA库。

2. 注册在pjsua_app_register函数中，首先创建一个pjsua_acc_config结构体，并设置一些注册参数，如用户名、密码、SIP服务器地址等。

然后，调用pjsua_acc_add函数将该账号添加到PJSUA库中。

最后，调用pjsua_acc_set_default函数将该账号设置为默认账号。

3. 呼叫在pjsua_app_call函数中，首先创建一个pjsua_call_setting结构体，并设置一些呼叫参数，如呼叫的目标地址、媒体参数等。

前言围棋不仅能增强思维能力，提高智力，而且富含哲理，有助于修身养性。

同时它起源于中国，古称“弈”，是我国传统技艺之一。

本游戏软件提供了人机对弈，和棋手对弈（局域网对弈）两种模式，局域网模式可以保证多人同时进行游戏。

本软件使用C#语言编写，在windows 7 x64系统下采用Visual Studio 2010开发和调试，附源码如下。

客户端程序：ype){case = (margin_left + i * gap - chessSize);= (margin_top + j * gap - chessSize);= (chessSize * 2);= (chessSize * 2);, rect);if (m_bShowIndex && m_Board[i, j].step > 0){(m_Board[i, j].(), fontNumber, , rect, format);}break;case = (margin_left + i * gap - chessSize);= (margin_top + j * gap - chessSize);= (chessSize * 2);= (chessSize * 2);int centerX = (margin_left + i * gap);int centerY = (margin_top + j * gap);, rect);(new Pen, 3), centerX - chessSize / 2, centerY - chessSize / 2, centerX + chessSize / 2, centerY + chessSize / 2);if (m_bShowIndex && m_Board[i, j].step > 0){(m_Board[i, j].(), fontNumber, , rect, format);}break;case = (margin_left + i * gap - chessSize);= (margin_top + j * gap - chessSize);= (chessSize * 2);= (chessSize * 2);, rect);if (m_bShowIndex && m_Board[i, j].step > 0){(m_Board[i, j].(), fontNumber, , rect, format);}break;case = (margin_left + i * gap - chessSize);= (margin_top + j * gap - chessSize);= (chessSize * 2);= (chessSize * 2);centerX = (margin_left + i * gap);centerY = (margin_top + j * gap);, rect);(new Pen, 3), centerX - chessSize / 2, centerY - chessSize / 2, centerX + chessSize / 2, centerY + chessSize / 2);if (m_bShowIndex && m_Board[i, j].step > 0){(m_Board[i, j].(), fontNumber, , rect, format);}break;case = (margin_left + i * gap - chessSize / 2);= (margin_top + j * gap - chessSize / 2);= (chessSize);= (chessSize);, rect);break;case = (margin_left + i * gap - chessSize / 2);= (margin_top + j * gap - chessSize / 2);= (chessSize);= (chessSize);, rect);break;case = (margin_left + i * gap - chessSize / 2);= (margin_top + j * gap - chessSize / 2);= (chessSize);= (chessSize);, rect);break;}}}}ype != return false;ype = type;#region 判断是否可以提子bool bEat = false;bool bValidStep = true;ype == (type)){ype == (type)){bEat = tryToEat(pos, new + 1, , ref bValidStep) || bEat;if (!bValidStep)return false;}ype == (type)){bEat = tryToEat(pos, new , - 1), ref bValidStep) || bEat;if (!bValidStep)return false;}ype == (type)){bEat = tryToEat(pos, new , + 1), ref bValidStep) || bEat;if (!bValidStep)return false;}#endregionif (!bEat)tep = m_currentStep;m_Board[, ].pos = pos;m_currentStep++;return true;}ype = newBoard[i, j];}}return true;}ype == '0' : (m_Board[j, i].type == '1' : '2';(ch);}(strLine);}();return true;}ype == {ChessBlock block;findBlock(new (i, j), out block);if > 0){type = foreach pos in block){if{newType = m_Board[ - 1, ].type;if (type == &&(newType == || newType == {type = newType;}else{if (type != &&type == (newType)){type = break;}}}if{newType = m_Board[ + 1, ].type;if (type == && (newType == || newType == {type = newType;}else{if (type != && type == (newType)){type = break;}}}if{newType = m_Board[, - 1].type;if (type == && (newType == || newType == {type = newType;}else{if (type != && type == (newType)){type = break;}}}if{newType = m_Board[, + 1].type;if (type == && (newType == || newType == {type = newType;}else{if (type != && type == (newType)){type = break;}}}}if (type == type = else if (type == type = elsetype = foreach posToFill in block){m_Board[, ].type = type;}}}}}}ype == {ChessBlock block;findBlockOnSim(new (i, j), out block);if > 0){type = foreach pos in block){if{newType = [ - 1, ].type;if (type == &&(newType == ||newType =={type = newType;}else{if (type != &&type == (newType)){type = break;}}}if{newType = [ + 1, ].type;if (type == && (newType == || newType == {type = newType;}else{if (type != && type == (newType)){type = break;}}}if{newType = [, - 1].type;if (type == && (newType == || newType == {type = newType;}else{if (type != && type == (newType)){type = break;}}}if{newType = [, + 1].type;if (type == && (newType == || newType == {type = newType;}else{if (type != && type == (newType)){type = break;}}}}if (type == type = else if (type == type = elsetype = foreach posToFill in block){[, ].type = type;}}}}}}ype == || m_Board[i, j].type == || m_Board[i, j].type == {m_Board[i, j].type = }}}}ype;if (type == || type == ||type == || type == {ChessBlock block;findBlock(pos, out block);if > 0){typeResult = switch (type){case typeResult = break;case typeResult = break;case typeResult = break;case typeResult = break;}foreach posToToggle in block){m_Board[, ].type = typeResult;}}}}ype == {m_Board[i, j].type = }else if (m_Board[i, j].type == {m_Board[i, j].type = }}}}ype){case case case nBlack++;break;case case case nWhite++;break;default:nPending++;break;}}}double fBlack = nBlack + (double)nPending / 2;double fWhite = nWhite + (double)nPending / 2;StringBuilder strResult = new StringBuilder();("黑子: " + () + "\n");("白子: " + () + "\n\n");("结果: ");fWhite += ;if (fBlack > fWhite){("黑子赢" + (fBlack - fWhite).ToString());}else if (fWhite > fBlack){("白子赢" + (fWhite - fBlack).ToString());}return ();}ype;while > 0){posCurrent = ();ype == type){(pos1);(pos1);}}ype == type){(pos1);(pos1);}}ype == type){(pos1);(pos1);}}ype == type){(pos1);(pos1);}}}}ype;while > 0){posCurrent = ();ype == type){(pos1);(pos1);}}ype == type){(pos1);(pos1);}}ype == type){(pos1);(pos1);}}ype == type){(pos1);(pos1);}}}}吃别人（包括劫持）被自己吃了Queue posToProcceed = new Queue();ype;ype == return true;if (!(pos1) && ype == type) ype == return true;if (!(pos1) && ype == type) ype == return true;if (!(pos1) && ype == type) ype == return true;if (!(pos1) && ype == type) ype = } }ype = }os, m_Board_backup[i, j].type, m_Board_backup[i, j].step);}}= = -= 2;return true;}os, m_Board[i, j].type, m_Board[i, j].step);}}= = }#region ==== 单人游戏时====ype == &&[i, j].step == 0){if (new (i, j), ))(new Node(new (i, j)));}}}if <= 0){= true;}#endregion#region 每个节点都进行若干回合的模拟棋局foreach (Node root in move_Node){for (int i = 0; i < numsim; ++i){CopyState(root); /* 复制棋局信息*/play_simulation(root); /* 进行模拟*/}}#endregionNode n = GetBestChild(move_Node); /* 获得根节点的访问次数最多的子节点*/return ; /* 返回节点着手*/}private bool CanAddChess pos, type){ype != return false;ype = type;#region 判断是否可以提子bool bEat = false;bool bValidStep = true;bool result = true;ype == (type)){ype == (type)){bEat = ChecktryToEat(pos, new + 1, , ref bValidStep) || bEat;if (!bValidStep)result = false;}ype == (type)){bEat = ChecktryToEat(pos, new , - 1), ref bValidStep) || bEat;if (!bValidStep)result = false;}ype == (type)){bEat = ChecktryToEat(pos, new , + 1), ref bValidStep) || bEat;if (!bValidStep)result = false;}#endregionype = return result;}private bool ChecktryToEat posNewChess, posToEat, ref bool bValidStep) {bValidStep = true;chessBlock;if (!isLive(posToEat, out chessBlock))ype != {return true;}}}return false;}private void CopyState(Node n){for (int i = 0; i < 19; ++i){for (int j = 0; j < 19; ++j){[i, j] = new Chess[i, j].pos, [i, j].type, [i, j].step);}}= = = ;, }ype){case case case nBlack++;break;case case case nWhite++;break;default:nPending++;break;}}}double fBlack = nBlack + (double)nPending / 2;double fWhite = nWhite + (double)nPending / 2;fWhite += ;if ((fBlack > fWhite && .ChessType .White)||(fBlack < fWhite && == {os;Chess chs = new Chess(pos, type, ;return chs;}ype != return false;ype = type;#region 判断是否可以提子bool bEat = false;bool bValidStep = true;ype == (type)){bEat = tryToEatOnSim(pos, new - 1, , ref bValidStep) || bEat;if (!bValidStep)return false;}ype == (type)){bEat = tryToEatOnSim(pos, new + 1, , ref bValidStep) || bEat;if (!bValidStep)return false;}ype == (type)){bEat = tryToEatOnSim(pos, new , - 1), ref bValidStep) || bEat;if (!bValidStep)return false;}ype == (type)){bEat = tryToEatOnSim(pos, new , + 1), ref bValidStep) || bEat;if (!bValidStep)return false;}#endregionif (!bEat)ype = else if (type == [, ].type = return false;tep = ;++;return true;}Eat others (Include "jie")Be eaten yourselfQueue posToProcceed = new Queue();ype;ype == return true;if (!(pos1) && ype == type) ype == return true;if (!(pos1) && ype == type) ype == return true;if (!(pos1) && ype == type) ype == return true;if (!(pos1) && ype == type) ype = ype =else[, ].type = }}ype;if (type == [, ].type = else if (type == [, ].type = }ins){();(node);}else if == temp1[0].wins){(node);}}List<Node> temp2 = new List<Node>();foreach (Node node in temp1){pos = ;if - <= 1 ||- <= 1){(node);continue;}if (3, , ){(node);}}Node result ;if > 0)result = temp2[ - 1)];elseresult = temp1[ - 1)];return result;}#endregion ==== 单人游戏时====;}amePlayer[side].user = user;gameTable[tableIndex].gamePlayer[side].someone = true;("{0}在第{1}桌第{2}座入座",, tableIndex + 1, side + 1));amePlayer[anotherSide].someone == true){amePlayer[anotherSide].;(user, sendString);}amePlayer[side].someone = false;gameTable[tableIndex].gamePlayer[side].started = false;gameTable[tableIndex].gamePlayer[side].grade = 0;anotherSide = (side + 1) % 2;if (gameTable[tableIndex].gamePlayer[anotherSide].someone == true){gameTable[tableIndex].gamePlayer[anotherSide].started = false;gameTable[tableIndex].gamePlayer[anotherSide].grade = 0;}ength +splitString[1].Length));(gameTable[tableIndex], sendString);break;case "Ready":amePlayer[side].started = true;if (side == 0){anotherSide = 1;sendString = "Message,黑方已准备。

C++编写的WebSocket服务端客户端实现⽰例代码⽬录使⽤过标准的libwebsockets服务端库测试过，主要是短⼩精悍，相对于libwebsockets不需要依赖zlib和openssl 以及其他库，直接make就可以使⽤了，linux跟windows都可以使⽤。

测试⽤例：#include "easywsclient.hpp"#include <assert.h>#include <stdio.h>#include <string>using easywsclient::WebSocket;static WebSocket::pointer ws = NULL;void handle_message(const std::string & message){printf(">>> %s\n", message.c_str());if (message == "world") { ws->close(); }}int main(){ws = WebSocket::from_url("ws://localhost:8126/foo");assert(ws);//判断ws对象是否为空nullws->send("goodbye");ws->send("hello");//如果你需要多线程，可以在⼀个thread 维护该ws的连接重连机制while (ws->getReadyState() != WebSocket::CLOSED) //判断ws是否正常连接{ws->poll();//这个必须要调⽤，否则不能发送，发送跟接收都是异步的，都是在这个poll函数⾥监测处理的ws->dispatch(handle_message);}delete ws;return 0;}//线程thread 维护重连连接void run(){bool conn = FLASE;ws = WebSocket::from_url("ws://localhost:8126/foo");//如果你需要多线程，可以在⼀个thread 维护该ws的连接重连机制while (1) //判断ws是否正常连接{if(ws != NULL){ws->poll(0);//这个必须要调⽤，否则不能发送，发送跟接收都是异步的，都是在这个poll函数⾥监测处理的ws->dispatch(handle_message);if(ws->getReadyState() == WebSocket::CLOSED){//ws连接断开重连delete ws;ws = NULL;ws = WebSocket::from_url("ws://localhost:8126/foo");}else if(wss->getReadyState()== WebSocket::OPEN){//ws连接ok// ws->send("goodbye");ws->send("hello");}}else{ws = WebSocket::from_url("ws://localhost:8126/foo");sleep(1);}if(ws!=NULL)delete ws;}有细⼼的朋友发现在发送中⽂GBK 的时候与服务端会断开//GBK -> UTF-8//遇到发送的字符串⾥有中⽂的话需要send 前进⾏转换⼀下，//这个是⽹友提供的在windows下的转换函数std::string Server_Stream::GBKToUTF8(const std::string& strGBK){std::string strOutUTF8 = "";WCHAR * str1;int n = MultiByteToWideChar(CP_ACP, 0, strGBK.c_str(), -1, NULL, 0);str1 = new WCHAR[n];MultiByteToWideChar(CP_ACP, 0, strGBK.c_str(), -1, str1, n);n = WideCharToMultiByte(CP_UTF8, 0, str1, -1, NULL, 0, NULL, NULL);char * str2 = new char[n];WideCharToMultiByte(CP_UTF8, 0, str1, -1, str2, n, NULL, NULL);strOutUTF8 = str2;delete[]str1;str1 = NULL;delete[]str2;str2 = NULL;return strOutUTF8;}下⾯是C++实现的WebSocket客户端，写好后这⾥记⼀下，免得以后忘记。

python程序源代码（实用版）目录1.Python 程序源代码概述2.Python 程序源代码的特点3.Python 程序源代码的发展4.Python 程序源代码的应用领域5.Python 程序源代码的未来发展趋势正文一、Python 程序源代码概述Python 程序源代码是一种采用 Python 语言编写的计算机程序代码。

Python 语言作为一门广泛应用于多个领域的编程语言，其源代码具有简洁、易读、高效等特点，深受广大开发者喜爱。

二、Python 程序源代码的特点1.语法简洁：Python 语言的语法简洁明了，使得编写程序变得轻松愉快。

2.易读性强：Python 源代码结构清晰，可读性强，易于维护。

3.高效开发：Python 源代码具有丰富的库和框架支持，可以快速开发出高质量的应用程序。

4.跨平台：Python 源代码支持多种操作系统，如 Windows、Linux、Mac OS 等，具有较高的可移植性。

三、Python 程序源代码的发展Python 语言自 1991 年诞生以来，经历了多次版本更新，其源代码也在不断完善和丰富。

如今，Python 已经成为全球最受欢迎的编程语言之一，其源代码在多个领域都有着广泛的应用。

四、Python 程序源代码的应用领域Python 源代码在众多领域都有广泛应用，如：1.Web 开发：Python 源代码在 Web 开发领域有着丰富的框架支持，如 Django、Flask 等，可以快速构建高质量的 Web 应用。

2.数据分析：Python 源代码在数据分析领域有着强大的支持，如Pandas、NumPy 等库，可以方便地处理和分析海量数据。

3.人工智能：Python 源代码在人工智能领域有着广泛的应用，如TensorFlow、PyTorch 等深度学习框架，可以助力开发者快速开发智能应用。

4.网络编程：Python 源代码在网络编程方面有着丰富的库支持，如Requests、asyncio 等，可以方便地处理网络编程相关任务。

源代码说明文档范文一、引言源代码是程序编写的文本文件。

它包含了程序的逻辑结构、功能实现和计算机命令等内容。

源代码说明文档是对源代码进行解释和说明的文档，旨在让用户、开发人员和审查人员能够更好地了解代码的结构、功能和实现细节。

本文档将详细介绍源代码的组成部分、结构、功能和使用方法，并提供示例代码和运行结果，以便读者更好地理解和使用源代码。

二、源代码结构源代码通常由多个文件组成，这些文件按照功能和关联进行组织。

常见的源代码结构包括以下几个部分：1.引用库：源代码中可能会引用其他已经存在的代码库，用于实现一些公共功能。

在本部分中，会列出所有用到的引用库，并说明其作用和使用方法。

3.主函数：源代码中通常有一个主函数，负责程序的入口和流程控制。

在本部分中，会详细说明主函数的结构和功能，并提供示例代码和运行结果。

4.功能函数：源代码中可能会包含一些功能函数，用于实现具体的功能模块或算法。

在本部分中，会说明每个功能函数的作用和使用方法，并提供示例代码和运行结果。

三、使用方法源代码的使用方法包括以下几个方面：1.环境配置：源代码可能需要在特定的编程环境中编译和运行，本部分会详细说明所需的编程环境和配置步骤，并提供相关的链接和资源。

2.编译和运行：本部分会说明如何编译源代码，并提供示例命令和运行结果。

3.参数设置：源代码可能会接受一些输入参数，本部分会说明每个参数的含义和设置方法。

4.输出结果：源代码可能会输出一些结果，本部分会说明每个输出结果的含义和格式。

四、示例代码下面是一个简单的示例代码，用于说明源代码的结构和使用方法：1.引用库本示例代码没有引用任何外部库。

2.定义和声明本示例代码定义了一个名为"HelloWorld"的类，其中包含一个静态函数"main"。

3.主函数在主函数中，首先输出了一条欢迎信息，然后打印了Hello World。

```public class HelloWorldpublic static void main(String[] args)System.out.println("Hello World");}```4.编译和运行本示例代码使用Java编程语言编写，可以使用命令行或集成开发环境(IDE)进行编译和运行。

简单的源代码编写中文编程越来越受到人们的关注，这里我们来介绍一些简单的源代码编写。

首先，我们可以编写一个简单的“Hello,World！”程序，用来验证我们的开发环境是否正确配置：```encoding=utf-8print("Hello,World！")```该程序的输出结果就是“Hello,World！”，这也是经典的初学者示例。

接着，我们可以看看如何编写一个简单的计算器程序：```encoding=utf-8a=float(input("请输入第一个数："))b=float(input("请输入第二个数："))c=input("请选择你要进行的运算，例如：+、-、*、/：")if c=='+':print(a+b)elif c=='-':print(a-b)elif c=='*':print(a*b)elif c=='/':if b==0:print("被除数不能为零！")else:print(a/b)else:print("输入的运算符有误！")```该程序首先让用户输入两个数和要进行的运算符，然后根据用户输入进行相应的运算，最后输出结果。

在此，我们使用了if语句来判断不同的运算符，并计算出运算结果。

最后，我们可以尝试编写一个简单的猜数字游戏程序：```encoding=utf-8import randomanswer=random.randint(1,100)times=0while True:guess=int(input("请输入一个1~100之间的整数："))times+=1if guess>answer:print("太大了，请重新输入！")elif guess<answer:print("太小了，请重新输入！")else:print("恭喜你，猜对了！你一共猜了%d次。

页面布局模块程序代码MainActivity.javapackage com.my.llkangame;//第一个页面import android.app.ListActivity;import android.app.ProgressDialog;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import com.plter.lib.android.java.controls.ArrayAdapter;import com.plter.linkgame.R;public class MainActivity extends ListActivity {private ArrayAdapter<GameListCellData> adapter;//定义适配器private ProgressDialog dialog=null;//dialog//savedInstanceStateprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(yout.main_activity);//main_activity.xml//设置适配器adapter=newArrayAdapter<MainActivity.GameListCellData>(this,yout.game_list_cell) {@Overridepublic void initListCell(int position, View listCell, ViewGroup parent) {ImageView iconIv = (ImageView) listCell.findViewById(R.id.iconIv);TextView labelTv=(TextView) listCell.findViewById(belTv);GameListCellData data = getItem(position);iconIv.setImageResource(data.iconResId);labelTv.setText(bel);}};setListAdapter(adapter);//适配器集合adapter.add(new GameListCellData("水果连连看", R.drawable.sg_icon, "sg_config.json"));adapter.add(new GameListCellData("蔬菜连连看", R.drawable.sc_icon, "sc_config.json"));adapter.add(new GameListCellData("动物连连看", R.drawable.dw_icon, "dw_config.json"));adapter.add(new GameListCellData("爱心连连看", R.drawable.love_icon, "love_config.json"));adapter.add(new GameListCellData("宝石连连看", R.drawable.coin_icon, "coin_config.json"));}@Overrideprotected void onPause() {if (dialog!=null) {dialog.dismiss();dialog=null;}super.onPause();}@Overrideprotected void onListItemClick(ListView l, View v, int position, long id) {dialog=ProgressDialog.show(this, "请稍候", "正在加载游戏资源");GameListCellData data = adapter.getItem(position);Intent i = new Intent(this, LinkGameActivity.class);i.putExtra("configFile", data.gameConfigFile);startActivity(i);super.onListItemClick(l, v, position, id);}public static class GameListCellData{public String label=null;public int iconResId=0;public String gameConfigFile=null;public GameListCellData(String label,int iconResId,String gameConfigFile) {bel=label;this.iconResId=iconResId;this.gameConfigFile=gameConfigFile;}}}LinkGameActivity.javapackage com.my.llkangame;import android.app.Activity;import android.os.Bundle;import android.text.TextUtils;import android.view.Display;import android.widget.Button;import android.widget.TextView;import com.my.cord.Config;import com.my.cord.GameViewhhxx;import com.my.reader.InnerGameReader;import com.plter.linkgame.R;//游戏开始界面宽高、布局等且开始游戏public class LinkGameActivity extends Activity {private GameViewhhxx gameView;/** Called when the activity is first created. */@SuppressWarnings("deprecation")public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);String configFile = getIntent().getStringExtra("configFile");if (TextUtils.isEmpty(configFile)) {finish();return;}//获得屏幕宽高Display display = getWindowManager().getDefaultDisplay();Config.setScreenWidth(display.getWidth());Config.setScreenHeight(display.getHeight());//设置内容布局setContentView(yout.link_game_activity);gameView=(GameViewhhxx) findViewById(R.id.gameView);gameView.setTimeTv((TextView) findViewById(R.id.timeTv));gameView.setLevelTv((TextView) findViewById(R.id.levelTv));gameView.setBreakCardsBtn((Button) findViewById(R.id.breakCardsBtn));gameView.setNoteBtn((Button) findViewById(R.id.noteBtn));gameView.setPauseBtn((Button) findViewById(R.id.pauseBtn));//根据游戏资源包初始化游戏gameView.initWithGamePkg(InnerGameReader.readGame(this, configFile));//开始启动游戏gameView.showStartGameAlert();}protected void onPause() {gameView.pause();super.onPause();}protected void onResume() {gameView.resume();super.onResume();}}LinesContainer.javapackage com.my.cord;import java.util.List;import android.content.Context;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.Paint.Style;import android.graphics.Path;import android.graphics.PointF;import android.view.View;import android.view.animation.AlphaAnimation;import android.view.animation.Animation;import android.view.animation.Animation.AnimationListener;/*** 设置对图片进行连接的线的宽度和颜色*/public class LinesContainer extends View implements AnimationListener{ private List<PointF> points=null;private final Paint paint=new Paint();private final Path path = new Path();private final AlphaAnimation aa = new AlphaAnimation(1, 0);public LinesContainer(Context context) {super(context);paint.setStyle(Style.STROKE);paint.setStrokeWidth(5);paint.setColor(0xFFFF0000);aa.setDuration(500);aa.setAnimationListener(this);setVisibility(View.GONE);}public void showLines(List<PointF> points){if (points.size()<2) {throw new RuntimeException("点的个数不能小于2");}else{setVisibility(View.VISIBLE);this.points=points;invalidate();startAnimation(aa);}}protected void onDraw(Canvas canvas) {if (points==null||points.size()<2) {return;}path.reset();PointF p=points.get(0);path.moveTo(p.x, p.y);for (int i = 1; i < points.size(); i++) {p=points.get(i);path.lineTo(p.x, p.y);}canvas.drawPath(path, paint);super.onDraw(canvas);}public void onAnimationStart(Animation animation) {}public void onAnimationEnd(Animation animation) { setVisibility(View.GONE);}public void onAnimationRepeat(Animation animation) {} }Config.javapackage com.my.cord;public class Config {private static float cardWidth=0;private static float cardHeight=0;private static float screenWidth=0;private static float screenHeight=0;private static float cardsOffsetX=0;private static float cardsOffsetY=0;/*** 游戏区域的宽度*/private static float gameCardsAreaWidth=0;/*** 游戏区域的高度*/private static float gameCardsAreaHeight=0;/*** 卡片的上边距*/public static final float GAME_CARDS_AREA_TOP=80;/*** 卡片的下边距*/public static final float GAME_CARDS_AREA_BOTTOM=80;/*** 卡片区域左边距*/public static final float GAME_CARDS_AREA_LEFT=0;/*** 卡片区域右边距*/public static final float GAME_CARDS_AREA_RIGHT=0;/*** @return the screenWidth*/public static float getScreenWidth() {return screenWidth;}/*** @param screenWidth the screenWidth to set*/public static void setScreenWidth(float screenWidth) {Config.screenWidth = screenWidth;Config.setGameCardsAreaWidth(Config.getScreenWidth()-Config.GAME_CARDS_AREA_ LEFT-Config.GAME_CARDS_AREA_RIGHT);computeCardWidthAndHeight();}/*** @return the screenHeight*/public static float getScreenHeight() {return screenHeight;}/*** @param screenHeight the screenHeight to set*/public static void setScreenHeight(float screenHeight) {Config.screenHeight = screenHeight;Config.setGameCardsAreaHeight(Config.getScreenHeight()-Config.GAME_CARDS_ARE A_BOTTOM-Config.GAME_CARDS_AREA_TOP);computeCardWidthAndHeight();}private static void computeCardWidthAndHeight(){float cardWidth=Config.getGameCardsAreaWidth()/Level.MAX_H_CARDS_COUNT;floatcardHeight=Config.getGameCardsAreaHeight()/Level.MAX_V_CARDS_COUNT;float min = Math.min(cardWidth, cardHeight);Config.setCardWidth(min);//卡片最小宽Config.setCardHeight(min);//卡片最小高}/*** @return the cardWidth*/public static float getCardWidth() {return cardWidth;}/*** @param cardWidth the cardWidth to set*/private static void setCardWidth(float cardWidth) {Config.cardWidth = cardWidth;}/*** @return the cardHeight*/public static float getCardHeight() {return cardHeight;}/*** @param cardHeight the cardHeight to set*/private static void setCardHeight(float cardHeight) {Config.cardHeight = cardHeight;}/*** @return the cardsOffsetX*/public static float getCardsOffsetX() {return cardsOffsetX;}/*** @param cardsOffsetX the cardsOffsetX to set*/public static void setCardsOffsetX(float cardsOffsetX) { Config.cardsOffsetX = cardsOffsetX;}/*** @return the cardsOffsetY*/public static float getCardsOffsetY() {return cardsOffsetY;}/*** @param cardsOffsetY the cardsOffsetY to set*/public static void setCardsOffsetY(float cardsOffsetY) { Config.cardsOffsetY = cardsOffsetY;}/*** @return the gameCardsAreaWidth*/public static float getGameCardsAreaWidth() {return gameCardsAreaWidth;}/*** @param gameCardsAreaWidth the gameCardsAreaWidth to set */private static void setGameCardsAreaWidth(float gameCardsAreaWidth) { Config.gameCardsAreaWidth = gameCardsAreaWidth;}/*** @return the gameCardsAreaHeight*/public static float getGameCardsAreaHeight() {return gameCardsAreaHeight;}/*** @param gameCardsAreaHeight the gameCardsAreaHeight to set*/private static void setGameCardsAreaHeight(float gameCardsAreaHeight) { Config.gameCardsAreaHeight = gameCardsAreaHeight;}}Picture.javapackage com.my.reader;import android.graphics.Bitmap;/*** Bitmap 面板**/public class Picture {public Picture(Bitmap bitmap) {this.bitmap=bitmap;id=__getId();}public Bitmap getBitmap() {return bitmap;}private int id=0;public int getId() {return id;}private Bitmap bitmap=null;private static int __id=0;private static int __getId(){__id++;return __id;}}算法分析模块程序代码Cardmm.javapackage com.my.cord;/**重排：先遍历当前页面还有的图片，调用随机算法调换页面中图片的位置* 先选中一张图片，获取此图片在垂直和水平方向上的的位置，判断是否被选中，判断当前已选中的图片个数*若选中图片个数小于2张，再选择一张图片，重复上一个动作，若选中图片个数达到2张，判断是否满足消除条件*若满足，则消除，若不满足，则不发生任何变化。

FileZilla客户端源码解析FileZilla客户端源码解析 FTP是TCP/IP协议组的协议，有指令通路和数据通路两条通道。

⼀般来说，FTP标准命令TCP端⼝号是21，Port⽅式数据传输端⼝是20。

FileZilla作为populate open source project，⾃然也有指令通路和数据通路。

然⽽，FileZilla源码极少有注释，⽹上参考资料也寥寥⽆⼏。

FileZilla⽤的到类库多且复杂（客户端wxWeidgets、GnuTLS、sqlite3、GNU IDN Library - Libidn，服务端boost、zlib），模式也不易理解（proxy模式、改编CAsynSocket的CAsynSocketEx、layer等）。

想要完全搞懂FileZilla的细节似乎是件很困难的事情。

好在我只需了解⾥⾯核⼼代码的⼯作原理，能封装为⼰所⽤即可。

FileZilla官⽅论坛回答提问时指出，engine⼯程重点是ControlSocket.h和transfersocket.h，显然，⼀个对应ftp控制，另⼀个对应数据传输。

interface⼯程重点是Mainfrm.h、state.h、commandqueue.h（出于效率考虑，很复杂）。

engine⼯程其他重点类有 CServer, CServerPath, CDirectoryListing, COptionsBase，客户端interface⼯程其他重点类有 COptions。

此外，客户端interface定义了资源⽂件dialog.xrc和menu.xrc（这两个⽤wxWidgets资源编辑器打开。

⽤⽂本打开也可以，内容是xml格式）。

该论坛链接地址为https:///viewtopic.php?f=3&t=8443。

截图如下1 command指令相关1.1 CCommand指令类，头⽂件：commands.h，⼯程：engine，性质：抽象类、虚基类 CCommand及其基类定义了ftp指令实体，是CCommandQueue操作的基本单元。

水利地理信息系统软件（V1.0） 1unit ObjApp;interfaceUsesWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Dialogs, Main, Menus, ImgList, OleCtrls, MapXLib_TLB, ExtCtrls, ComCtrls,ToolWin,Db,AdoDB,CommClass,StdCtrls;TypeTApp=Class(TAdoS)privateProcedure LoadObjsToListview(Var Liv:TlistView;var Ado:TAdodataset);publicConstructor Create(AOwner:TComponent);OverRide;procedure CreateCusTool(Var map:TMap);Procedure LoadTv(Var Tv:TTreeview);Procedure LoadType(Var liv:TListView);Procedure LoadObjs(Var Liv:TListView;AType,AManaCode:String);Procedure LoadTypeToComboBox(Var Comb:TCombobox);Procedure LoadQuery(Var Liv:TListView;AType,AMana,ACode,AName:String);Procedure LoadDetial(Var Liv:TListView;AType,ACode,AName,Amana,A TypeName:String);Procedure Loadmap(Var map:TMap);procedure LoadSmallMap(Var Map:TMap);end;implementationuses ObjManaTree, CommApp, DM;{ TApp }constructor TApp.Create(AOwner: TComponent);varSqls:String;beginSqls:='Select Top 1 * from T_App';InHerited Create(Sqls,AOwner);end;procedure TApp.CreateCusTool(var map: TMap);beginMap.CreateCustomTool(CUST_TOOL_POINT , miToolTypePoint , miSelectCursor , miArrowCursor, miArrowCursor, emptyParam);Map.CreateCustomTool(CUST_TOOL_RECT , miToolTypeMarquee , miRectSelectCursor, miArrowCursor, miArrowCursor, emptyParam);Map.CreateCustomTool(CUST_TOOL_CIRCLE , miToolTypeCircle, miRadiusSelectCursor , miArrowCursor, miArrowCursor, emptyParam);end;procedure TApp.LoadDetial(var Liv: TListView; AType, ACode,AName,Amana,ATypeName: String);Sqls,FieldName:String;OObj:TBaseClass;OFields:TAdos;Lt:TListItem;beginOObj:=TbaseClass.Create(Acode,A Type,'F_Code',1);trySqls:='Select * from T_ObjClass where F_Code='''+AType+''' Order by F_ID';OFields:=TAdos.Create(sqls,Nil );tryliv.Items.Clear;Lt:=liv.Items.Add;lt.ImageIndex:=38;Lt.Caption:='编号';lt.SubItems.Add(ACode);Lt:=liv.Items.Add;lt.ImageIndex:=38;Lt.Caption:='名称';lt.SubItems.Add(AName);Lt:=liv.Items.Add;lt.ImageIndex:=38;Lt.Caption:='类别';lt.SubItems.Add(ATypeName);Lt:=liv.Items.Add;lt.ImageIndex:=38;Lt.Caption:='所在地';lt.SubItems.Add(AMana);while not OFields.Eof dobeginLt:=Liv.Items.Add;lt.ImageIndex:=38;lt.Caption:=Ofields.fieldbyname('F_Note').AsString;FieldName:=Ofields.fieldbyname('F_FName').AsString;lt.SubItems.Add(GetFieldvalue(OObj.cAdo,Fieldname));OFields.Next;end;finallyOFields.Close;OFields.Free;end;finallyOObj.Free;end;end;procedure TApp.Loadmap(var map: TMap);varFn:String;Ol:Tados;fn:=MapPath+'\'+fieldByname('F_Gst').AsString;map.GeoSet:=fn;map.Title.Visible :=false;//装入标注图层Ol:=Tados.Create('select * From T_BindLayer where F_ShowLabel=1',nil); trymap.DataSets.RemoveAll;while not Ol.Eof dobeginLabelLayer( map,Dm.DataModule1.ADOConnection1,ol.fieldbyname('F_BindLayername').AsString ,ol.fieldbyname('F_DsName').AsString ,ol.fieldbyname('F_Sql').AsString ,ol.fieldbyname('F_Key').AsString ,ol.fieldbyname('F_Cap').AsString );Ol.Next;end;finallyOl.Close;Ol.Free;end;end;procedure TApp.LoadObjs(var Liv: TListView; AType, AManaCode: String); varSqls:String;OObjs:TAdos;Lt:TListItem;beginSqls:='select * from V_objs where '+'F_Type In('+AType+') and '+'F_XiangCode='''+AManaCode+''' '+'Order by F_Type Desc,F_Code';OObjs:=TAdos.Create(sqls,Nil);tryLoadObjsToListview(liv,TAdoDataset(OOBJS));finallyOObjs.Close;OObjs.Free;end;end;procedure TApp.LoadObjsToListview(var Liv: TlistView;var Ado: TAdodataset);varLt:TListItem;beginLiv.Items.Clear;while not ado.Eof doLt:=Liv.Items.Add;lt.ImageIndex:=37;lt.Caption:=GetFieldvalue(TAdoquery(Ado),'F_Code');Lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_Name'));Lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_TypeName'));Lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_XiangName'));lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_Type'));Ado.Next;end;end;procedure TApp.LoadQuery(var Liv: TListView; AType,AMana,ACode, AName: String); varsqls,tj:String;Lt:TlistItem;Otype,OObjs:TAdos;beginsqls:='select * from V_Objs ';tj:='';//类型if Atype<> '全部对象' thenbeginOtype:=Tados.Create('select top 1 * From T_ObjClass where F_Name='''+AType+'''',Nil);trytj:=tj+'F_Type='''+Otype.fieldbyname('F_Code').AsString+''' and ';finallyOtype.Close;Otype.Free;end;end;//管理区域if AMana<>'-1' thentj:=tj+'F_XiangCode ='''+trim(AMana)+''' And ';//编号if ACode<>'-1' thentj:=tj+'F_Code like ''%'+trim(ACode)+'%'' And ';//名称if AName<>'-1' thentj:=tj+'F_Name like ''%'+trim(AName)+'%'' And ';if tj<>'' thenbegintj:=copy(tj,1,length(tj)-4);Sqls:=sqls+' where '+tj;end ;Sqls:=sqls+' Order By F_Type Desc,F_Code';//生成查询记录OObjs:=Tados.Create(sqls,nil);tryLoadObjsToListview(Liv,TAdoDataset(OObjs ));finallyOObjs.Close;OObjs.Free;end;end;procedure TApp.LoadSmallMap(var Map: TMap);varFn:String;beginfn:=MapPath+'\Small'+fieldByname('F_Gst').AsString;map.GeoSet:=fn;map.Title.Visible :=false;end;procedure TApp.LoadTv(var Tv: TTreeview);varOMaShi,OMaXian,OMaXiang:TAdos;sqls:String;NkShi,NkXian,NkXiang:NodeKey;Rd,RdShi,RdXian,RdXiang:TTreenode;i:Integer;beginsqls:='select * from V_Manatree where F_Level=0';//市OMaShi:=TAdos.Create(sqls,Nil);TryTv.Items.Clear ;while not OMaShi.Eof dobeginnew(NkShi);NkShi.F_Key:=GetFieldvalue(TAdoquery(OMaShi),'F_Code');NkShi.F_Caption:=GetFieldvalue(TAdoquery(OMaShi),'F_Name');NkShi.F_TypeName:=GetFieldvalue(TAdoquery(OMaShi),'F_Type');NkShi.F_Level:=GetFieldvalue(TAdoquery(OMaShi),'F_Level');RdShi:=tv.Items.AddObject(nil,NkShi.F_Caption,NkShi);//县Sqls:='select * from V_Manatree where F_Level=1 and F_PareKey='+''''+GetFieldvalue(TAdoquery(OMaShi),'F_Code')+'''';OMaXian:=TAdos.Create(sqls,nil);trywhile not OMaXian.Eof dobeginnew(NkXian);NkXian.F_Key:=GetFieldvalue(TAdoquery(OMaXian),'F_Code');NkXian.F_Caption:=GetFieldvalue(TAdoquery(OMaXian),'F_Name');NkXian.F_TypeName:=GetFieldvalue(TAdoquery(OMaXian),'F_Type');NkXian.F_Level:=GetFieldvalue(TAdoquery(OMaXian),'F_Level');RdXian:=tv.Items.AddChildObject(RdShi,NkXian.F_Caption,NkXian);//乡Sqls:='select * from V_Manatree where F_Level=2 and F_PareKey='+''''+GetFieldvalue(TAdoquery(OMaXian),'F_Code')+'''';OMaXiang:=TAdos.Create(sqls,nil);trywhile not OMaXiang.Eof dobeginnew(NkXiang);NkXiang.F_Key:=GetFieldvalue(TAdoquery(OMaXiang),'F_Code');NkXiang.F_Caption:=GetFieldvalue(TAdoquery(OMaXiang),'F_Name');NkXiang.F_TypeName:=GetFieldvalue(TAdoquery(OMaXiang),'F_Type');NkXiang.F_Level:=GetFieldvalue(TAdoquery(OMaXiang),'F_Level');RdXiang:=tv.Items.AddChildObject(RdXian,NkXiang.F_Caption,NkXiang);OMaXiang.Next;end;finallyOMaXiang.Close;OMaXiang.Free;end;OMaXian.Next;end;finallyOMaxian.Close;OMaxian.Free;end;OMaShi.Next;end;finallyOMaShi.Free;end;For i:=0 to Tv.Items.Count-1 dobegintv.Items[i].ImageIndex:=37;tv.Items[i].SelectedIndex:=38;tv.Items[i].Expanded:=false;end;Tv.Items[0].Expanded:=true;end;procedure TApp.LoadType(var liv: TListView);varLt:TListItem;OType:TAdos;sqls:String;beginsqls:='select distinct F_Code,F_name from T_ObjClass order by F_Code Desc';Otype:=Tados.Create(sqls,Nil);tryLiv.Items.Clear;while not OType.Eof do7 beginLt:=Liv.Items.Add;lt.ImageIndex:=4;Lt.Caption:=OType.fieldByname('F_Name').AsString;Lt.SubItems.Add(OType.fieldByname('F_Code').AsString);Lt.Checked:=true;OType.Next;end;finallyOType.Close;OType.Free;end;end;procedure TApp.LoadTypeToComboBox(var Comb: TCombobox);varOTypes:TAdos;beginOTypes:=Tados.Create('select Distinct F_Code,F_Name From T_ObjClass Order By F_Code Desc',Nil);tryComB.Items.Clear;Comb.Items.Add('全部对象');While not OTypes.Eof dobeginCOmB.Items.Add(OTypes.fieldByname('F_Name').AsString);OTypes.Next;end;finallyOTypes.Close;OTypes.Free;end;end;end.unit UnitFrmMain;interfaceusesWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Dialogs, Main, Menus, ImgList, OleCtrls, MapXLib_TLB, ExtCtrls, ComCtrls,ToolWin, StdCtrls, Buttons,adodb,db;typeTFrmMainNtWater = class(TFrmMain)PageControl3: TPageControl;tabObjs: TTabSheet;TabSheet4: TTabSheet;lisDet: TListView;Splitter4: TSplitter;lisObjs: TListView;lisDetSelect: TListView;lisType: TListView;Splitter5: TSplitter;TabSheet3: TTabSheet;Label1: TLabel;comType: TComboBox;chkCode: TCheckBox;edtCode: TEdit;chkName: TCheckBox;edtName: TEdit;BitBtn1: TBitBtn;Splitter6: TSplitter;lisQuery: TListView;Splitter7: TSplitter;lisQueryDet: TListView;chkMana: TCheckBox;Map2: TMap;N19: TMenuItem;N20: TMenuItem;lisSelect: TListView;Splitter8: TSplitter;procedure FormCreate(Sender: TObject);procedure N2Click(Sender: TObject);procedure TvClick(Sender: TObject);procedure lisTypeClick(Sender: TObject);procedure BitBtn1Click(Sender: TObject);procedure lisObjsClick(Sender: TObject);procedure lisQueryClick(Sender: TObject);procedure Map1Error(ASender: TObject; Number: Smallint;var Description: WideString; Scode: Integer; const Source,HelpFile: WideString; HelpContext: Integer;var CancelDisplay: WordBool);procedure FormClose(Sender: TObject; var Action: TCloseAction); procedure Map1MapDraw(ASender: TObject; Flag: Smallint);procedure Map2MouseUp(Sender: TObject; Button: TMouseButton;Shift: TShiftState; X, Y: Integer);procedure N20Click(Sender: TObject);procedure lisObjsDblClick(Sender: TObject);procedure lisQueryDblClick(Sender: TObject);procedure N13Click(Sender: TObject);procedure N16Click(Sender: TObject);procedure N18Click(Sender: TObject);procedure N17Click(Sender: TObject);procedure Map1ToolUsed(ASender: TObject; ToolNum: Smallint; X1, Y1, X2, Y2, Distance: Double; Shift, Ctrl: WordBool;var EnableDefault: WordBool);procedure lisSelectClick(Sender: TObject);procedure lisDetDblClick(Sender: TObject);procedure lisDetSelectDblClick(Sender: TObject);procedure lisQueryDetDblClick(Sender: TObject);procedure lisObjsChange(Sender: TObject; Item: TListItem;Change: TItemChange);procedure lisSelectChange(Sender: TObject; Item: TListItem;Change: TItemChange);procedure lisQueryChange(Sender: TObject; Item: TListItem;Change: TItemChange);private{ Private declarations }publiceditType,editCode:String;{ Public declarations }procedure SetSmallMap;procedure SetMainMap(x,y:Integer);end;varSave8087cw:Word;FrmMainNtWater: TFrmMainNtWater;implementationuses ObjApp, CommApp, ObjT_Qiao, ObjT_Hedao, ObjT_Gaodihan, CommClass, ObjT_Zha;{$R *.dfm}procedure TFrmMainNtWater.FormCreate(Sender: TObject);V AROapp:TApp;begininherited;//Save8087cw:=Default8087cw;//Oapp:=Tapp.Create(nil);tryCaption:=Oapp.fieldbyName('F_Title').AsString;StatusBar1.Panels[0].Text:=Oapp.fieldbyName('F_StatusBar').AsString;Oapp.LoadType(LisType);Oapp.LoadTypeToComboBox(comType);Oapp.Loadmap(map1);Oapp.LoadSmallMap(map2);Comtype.ItemIndex:=0;Oapp.CreateCusTool(map1);finallyOApp.Close;Oapp.Free;end;N2.OnClick(self);end;procedure TFrmMainNtWater.N2Click(Sender: TObject);varOapp:TApp;begininherited;oApp:=Tapp.Create(nil);tryOapp.LoadTv(Tv);finallyOApp.Close;OApp.Free;end;end;procedure Click(Sender: TObject);VarOapp:TApp;Ofe:TFeature;i:integer;Lt:TListItem;TypeStr:String;begininherited;if Tv.Selected=nil thenexit;chkMana.Caption:=tv.Selected.Text+'范围内查询';chkMana.Visible:=true;Oapp:=Tapp.Create(nil);tryTypeStr:='';for i:=0 to Listype.Items.Count-1 dobeginLt:=LisType.Items[i];if lt.Checked thenTypeStr:=TypeStr+''''+lt.SubItems[0]+''',';end;if TypeStr<>'' thenTypeStr:=copy(TypeStr,1,length(TypeStr)-1);Oapp.LoadObjs(LisObjs,TypeStr,NodeKey(Tv.Selected.data).F_Key); finallyOApp.Close;OApp.Free;end;Ofe:=TFeature.Create(NodeKey(Tv.Selected.data).F_Key,NodeKey(Tv.Selected.data).F_TypeName ,'F_Code',nil);tryif ofe.MoveMap(map1)=0 thenMessageBox(Handle,' 未记录坐标！','提示',MB_OK); finallyOfe.Close;Ofe.Free ;end;PageControl3.ActivePage:=tabObjs;end;procedure TFrmMainNtWater.lisTypeClick(Sender: TObject); begininherited;Tv.OnClick(nil);end;procedure TFrmMainNtWater.BitBtn1Click(Sender: TObject); varvType,vMana,vCode,vname:String;OApp:TAPP;begininherited;vType:=comType.Items[comType.ItemIndex];if chkCode.Checked thenvCode:=edtCode.TextelsevCode:='-1';vmana:='-1';if tv.Selected<> nil thenif chkMana.Checked thenvMana:=NodeKey(tv.Selected.data).F_Key;if chkName.Checked thenvName:=edtname.TextelsevName:='-1';OApp:=TApp.Create(nil);tryOapp.LoadQuery(LisQuery,vtype,vMana,vCode,vName); finallyOApp.Close;OApp.Free;end;end;procedure TFrmMainNtWater.lisObjsClick(Sender: TObject); varOApp:TApp;Item:TListItem;begininherited;if lisObjs.Selected<>nil thenbeginItem:=LisObjs.Selected;OApp:=Tapp.Create(nil);tryOapp.LoadDetial(LisDet,Item.SubItems[3],Item.Caption,Item.SubItems[0],Item.SubItems[2],Item.SubItems[1]);finallyOapp.Close;OApp.Free;end;edittype:=item.SubItems[item.SubItems.count-1];editcode:=item.Caption;end;end;procedure TFrmMainNtWater.lisQueryClick(Sender: TObject);varOApp:TApp;Item:TListItem;begininherited;if lisQuery.Selected<>nil thenbeginItem:=lisQuery.Selected;OApp:=Tapp.Create(nil);tryOapp.LoadDetial(LisQueryDet,Item.SubItems[3],Item.Caption,Item.SubItems[0],Item.SubItems[2],Item.SubItems[1]);finallyOapp.Close;OApp.Free;end;edittype:=item.SubItems[item.SubItems.count-1];editcode:=item.Caption;end;end;procedure TFrmMainNtWater.Map1Error(ASender: TObject; Number: Smallint; var Description: WideString; Scode: Integer; const Source,HelpFile: WideString; HelpContext: Integer; var CancelDisplay: WordBool); begininherited;CancelDisplay:=true;end;procedure TFrmMainNtWater.FormClose(Sender: TObject;var Action: TCloseAction);begininherited;yers.RemoveAll ;//Map1.Free;Set8087cw(Save8087cw);end;procedure TFrmMainNtWater.SetSmallMap;varf:Feature;L:layer;i:integer;pt:Point;pts:Points;beginfor i:=1 to yers.Count doif yers.Item[i].Name='rect' thenbeginyers.Remove(i);break;end;l:=yers.CreateLayer('rect',emptyparam,emptyparam,emptyparam,emptyparam);pt:=copoint.Create;pts:=copoints.Create;pt.Set_(map1.Bounds.XMin,map1.Bounds.YMin);pts.Add(pt,emptyparam);pt.Set_(map1.Bounds.XMax,map1.Bounds.YMin);pts.Add(pt,emptyparam);pt.Set_(map1.Bounds.XMax,map1.Bounds.YMax);pts.Add(pt,emptyparam);pt.Set_(map1.Bounds.XMin,map1.Bounds.YMax);pts.Add(pt,emptyparam);f:=map2.FeatureFactory.CreateRegion(pts,map2.DefaultStyle);f.Style.RegionPattern:= miPatternNoFill;f.Style.RegionBorderColor:=miColorRed;l.Editable:=true;l.AddFeature(f,emptyparam);l.Editable:=false;l.Refresh;end;procedure TFrmMainNtWater.Map1MapDraw(ASender: TObject; Flag: Smallint); varOApp:TApp;begininherited;if map1.Zoom <3 thenmap1.ZoomTo(3.2,map1.CenterX ,map1.CenterY );if map1.Zoom>240 thenbeginOapp:=TApp.Create(nil);tryoapp.Loadmap(map1);14finallyoapp.Close;oapp.Free;end;end;SetSmallMap ;statusbar1.Panels[2].Text :=Format('%.3f', [Map1.zoom]);statusbar1.Panels[4].Text :=Format('(%0:.3f,%1:.3f)', [Map1.centerX,Map1.centerY]); //''''x=1312'''' //使用索引// Format(''''(%.3f,%.3f)'''', [Map1.centerX,Map1.centerY]);end;procedure TFrmMainNtWater.SetMainMap(x,y:Integer);varsx,sy:single;mx,my:double;beginsx:=x;sy:=y;map2.ConvertCoord(sx,sy,mx,my,1);map1.ZoomTo(map1.Zoom,mx,my);end;procedure TFrmMainNtWater.Map2MouseUp(Sender: TObject;Button: TMouseButton; Shift: TShiftState; X, Y: Integer);begininherited;SetMainMap(x,y);end;procedure TFrmMainNtWater.N20Click(Sender: TObject);varOq:TQiao;Oh:THedao;Og:TGaodihan;Oz:TZHA;begininherited;if ((editType='') or (editcode='')) thenbeginMessageBox(Handle,' 请选择要编辑的对象','提示',MB_OK);end;//MessageBox(Handle,pchar(editType+','+editcode),'提示',MB_OK);if UpperCase(editType)='T_QIAO' thenbeginOq:=TQiao.Create(editcode);tryoq.ShowData;edittype:='';editcode:='';oq.Close;oq.Free;end;end;if pos('V_HEDAO',UpperCase(editType))>0 thenbeginOh:=THedao.Create(editcode);tryOh.ShowData;finallyedittype:='';editcode:='';Oh.Close;Oh.Free;end;end;if pos('T_GAODIHAN',UpperCase(editType))>0 thenbeginOg:=TGAODIHAN.Create(editcode);tryOg.ShowData;finallyedittype:='';editcode:='';Og.Close;Og.Free;end;end;if pos('T_ZHA',UpperCase(editType))>0 thenbeginOz:=TZHA.Create(editcode);tryOz.ShowData;finallyedittype:='';editcode:='';Oz.Close;Oz.Free;end;end;end;procedure TFrmMainNtWater.lisObjsDblClick(Sender: TObject); varOfe:TFeature;lt:TListItem;begininherited;if TListView(Sender).Selected <>nil thenlt:= TListView(Sender).Selected ;Ofe:=TFeature.Create(lt.Caption ,lt.SubItems[lt.SubItems.count-1],'F_Code',nil);tryif ofe.MoveMap(map1)=0 thenMessageBox(Handle,' 未记录坐标！','提示',MB_OK);finallyOfe.Close;Ofe.Free ;end;end;end;procedure TFrmMainNtWater.lisQueryDblClick(Sender: TObject);varOfe:TFeature;lt:TListItem;begininherited;if TListView(Sender).Selected <>nil thenbeginlt:= TListView(Sender).Selected ;Ofe:=TFeature.Create(lt.Caption ,lt.SubItems[lt.SubItems.count-1],'F_Code',nil);tryif ofe.MoveMap(map1)=0 thenMessageBox(Handle,' 未记录坐标！','提示',MB_OK);finallyOfe.Close;Ofe.Free ;end;end;end;procedure TFrmMainNtWater.N13Click(Sender: TObject);begininherited;map1.CurrentTool:=miArrowTool ;end;procedure TFrmMainNtWater.N16Click(Sender: TObject);begininherited;map1.CurrentTool:=CUST_TOOL_POINT;end;procedure TFrmMainNtWater.N18Click(Sender: TObject);inherited;map1.CurrentTool:=CUST_TOOL_CIRCLE;end;procedure TFrmMainNtWater.N17Click(Sender: TObject);begininherited;map1.CurrentTool:=CUST_TOOL_RECT;end;procedure TFrmMainNtWater.Map1ToolUsed(ASender: TObject; ToolNum: Smallint;X1, Y1, X2, Y2, Distance: Double; Shift, Ctrl: WordBool;var EnableDefault: WordBool);varl,lxz:Layer;i,j:Integer;r:real;f,fxz:Feature;// fxzS:Featurs;FCode,FType,FXZMC,selectSQL:String;pt:Point;OXZ:TOBJ;Ado:TAdos;lt:TListitem;begininherited;//点选对象if (toolnum=CUST_TOOL_POINT) OR (toolnum=CUST_TOOL_RECT) OR(toolnum=CUST_TOOL_CIRCLE) thenBEGIN//清除上次选中的对象for i:=1 to yers.Count dobeginl:=yers.Item[i];if l.Selectable thenl.Selection.ClearSelection ;end;//点选对象if toolnum=CUST_TOOL_POINT thenbeginfor i:=1 to yers.Count dobeginl:=yers.Item[i];if not l.Selectable thencontinue;if l.ZoomLayer thenif (map1.zoom >=l.ZoomMin) and (map1.Zoom<l.ZoomMax ) thenl.Selection.SelectByPoint( x2, y2, miSelectionAppend ,emptyparam);IF NOT L.ZoomLayer THENl.Selection.SelectByPoint( x2, y2, miSelectionAppend ,emptyparam);if l.Selection.count>0 thenbegin// showmessage(inttostr(l.Selection.Count ));break;end;end;end;//框选对象if toolnum=CUST_TOOL_RECT thenbeginfor i:=1 to yers.Count dobeginl:=yers.Item[i];if not l.Selectable thencontinue;if l.ZoomLayer thenif (map1.zoom >=l.ZoomMin) and (map1.Zoom<l.ZoomMax ) thenl.Selection.SelectByRectangle(x1,y1,x2,y2,miSelectionAppend );IF NOT L.ZoomLayer THENl.Selection.SelectByRectangle(x1,y1,x2,y2,miSelectionAppend );end;end;//圈选对象if toolnum=CUST_TOOL_CIRCLE thenbeginfor i:=1 to yers.Count dobeginl:=yers.Item[i];if not l.Selectable thencontinue;if l.ZoomLayer thenif (map1.zoom >=l.ZoomMin) and (map1.Zoom<l.ZoomMax ) thenl.Selection.SelectByRadius(x1,y1,Distance,miSelectionAppend );IF NOT L.ZoomLayer THENl.Selection.SelectByRadius(x1,y1,Distance,miSelectionAppend );end;end;//显示选中对象信息lisSelect.Items.Clear ;for i:=1 to yers.Count dobeginl:=yers.Item[i];selectSQL:='';if l.Selectable thenbeginl:=yers.Item[i];for j:=1 to l.Selection.Count dobeginf:=l.Selection.Item[j];FCode:=f.KeyValue ;FType:= ;FXZMC:='';//根据对象的坐标，找出乡镇的名称lxz:=yers.Item['乡镇'] ;pt:=copoint.Create;pt.Set_(f.CenterX ,f.CenterY );if lxz.SearchAtPoint(pt,miSearchResultRegion).Count >0 thenbeginfxz:=lxz.SearchAtPoint(pt,miSearchResultRegion).Item[1];FXZMC:=fxz.KeyValue ;end;if pos('级河',)> 0 thenselectSQL:='Select * from V_Objs where F_Code='''+FCode+''' and '+'F_TypeName='''+FType+''' and '+'F_XiangCode='''+FXZMC+''''elseselectSQL:='Select * from V_Objs where F_Code='''+FCode+''' and '+'F_TypeName='''+FType+''' ';Ado:=TAdos.Create(selectSQL,nil);trywhile not ado.Eof dobeginlt:=lisSelect.Items.Add;lt.ImageIndex:=37;lt.Caption:=GetFieldvalue(TAdoquery(Ado),'F_Code');Lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_Name'));Lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_TypeName'));Lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_XiangName'));lt.SubItems.Add(GetFieldvalue(TAdoquery(Ado),'F_Type'));Ado.Next;end;finallyAdo.Close;ado.Free;end;end;end;end;PageControl3.ActivePage:=TabSheet4;END;end;procedure TFrmMainNtWater.lisSelectClick(Sender: TObject);varOApp:TApp;Item:TListItem;begininherited;if lisSelect.Selected<>nil thenbeginItem:=lisSelect.Selected;OApp:=Tapp.Create(nil);tryOapp.LoadDetial(lisDetSelect,Item.SubItems[3],Item.Caption,Item.SubItems[0],Item.SubItems[2],Item.SubItems[1]);finallyOapp.Close;OApp.Free;end;edittype:=item.SubItems[item.SubItems.count-1];editcode:=item.Caption;end;end;procedure TFrmMainNtWater.lisDetDblClick(Sender: TObject);varItem:TListItem;begininherited;IF LisDet.Items.Count > 0 thenbeginItem:=lisObjs.Selected ;edittype:=item.SubItems[item.SubItems.count-1];editcode:=item.Caption;n20.OnClick(nil);end;end;procedure TFrmMainNtWater.lisDetSelectDblClick(Sender: TObject); varItem:TListItem;begininherited;IF LisDetSelect.Items.Count > 0 thenbeginItem:=LisSelect.Selected ;edittype:=item.SubItems[item.SubItems.count-1];editcode:=item.Caption;n20.OnClick(nil);end;end;procedure TFrmMainNtWater.lisQueryDetDblClick(Sender: TObject); varItem:TListItem;begininherited;IF LisQueryDet.Items.Count > 0 thenbeginItem:=LisQuery.Selected ;edittype:=item.SubItems[item.SubItems.count-1];editcode:=item.Caption;n20.OnClick(nil);end;end;procedure TFrmMainNtWater.lisObjsChange(Sender: TObject; Item: TListItem; Change: TItemChange);begininherited;lisDet.Items.Clear ;end;procedure TFrmMainNtWater.lisSelectChange(Sender: TObject; Item: TListItem; Change: TItemChange);begininherited;lisDetSelect.Items.Clear ;end;procedure TFrmMainNtWater.lisQueryChange(Sender: TObject; Item: TListItem; Change: TItemChange);begininherited;lisQueryDet.Items.Clear ;end;end.unit ObjT_Qiao;interfaceUsesWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, Main, Menus, ImgList, OleCtrls, MapXLib_TLB, ExtCtrls, ComCtrls, ToolWin,Db,AdoDB,CommClass,StdCtrls,UnitFrmEditT_Qiao;typeTQiao=class(TObj)privateEForm:TForm;publicConstructor Create(Code:String);OverLoad;Constructor Free;function GetSelfValue(Fieldname:String):String;procedure ShowData;end;implementation{ TQiao }constructor TQiao.Create(Code: String);begininherited Create(Code,'T_Qiao','F_Code',nil);eform:=TFrmEditT_Qiao.Create(nil);TFrmEditT_Qiao(EForm).Code :=code;TFrmEditT_Qiao(EForm).Caption:=fieldbyname('F_name').AsString ;end;constructor TQiao.Free;begineform.Close;eform.Free;end;function TQiao.GetSelfValue(Fieldname: String): String;beginif fieldbyname(fieldname).IsNull thenresult:=''elseresult:=fieldbyname(fieldname).AsString;end;procedure TQiao.ShowData;beginTFrmEditT_Qiao(EForm).edtF_Code.Text :=GetSelfValue('F_Code');TFrmEditT_Qiao(EForm).edtF_Name.Text :=GetSelfValue('F_Name');TFrmEditT_Qiao(EForm).edtF_xiangcode.Text :=GetSelfValue('F_xiangcode');TFrmEditT_Qiao(EForm).edtF_Leixing.Text :=GetSelfValue('F_Leixing');TFrmEditT_Qiao(EForm).edtF_hedaoname.Text :=GetSelfValue('F_hedaoname');TFrmEditT_Qiao(EForm).edtF_hedaojibie.Text :=GetSelfValue('F_hedaojibie');TFrmEditT_Qiao(EForm).edtF_jinkuan.Text :=GetSelfValue('F_jinkuan');TFrmEditT_Qiao(EForm).edtF_Long.Text :=GetSelfValue('F_Long');TFrmEditT_Qiao(EForm).edtF_Jiegou.Text :=GetSelfValue('F_Jiegou');TFrmEditT_Qiao(EForm).edtF_Hezai.Text :=GetSelfValue('F_Hezai');TFrmEditT_Qiao(EForm).edtF_Jianli.Text :=GetSelfValue('F_Jianli');TFrmEditT_Qiao(EForm).edtF_Memo.Text :=GetSelfValue('F_Memo'); eForm.ShowModal;end;end.unit CommApp;interfaceusesWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs,AdoDB,DB,StdCtrls, OleCtrls, MapXLib_TLB,ExtCtrls,ComCtrls;//常量定义Const//企业编号常量CompanyCode='0001';//应用程序编号APPLICATIONCODE='0001';//自定义工具编号CUST_TOOL_POINT=1;CUST_TOOL_RECT=2;CUST_TOOL_CIRCLE=3;。

vb udp源程序实例子以下是一个简单的 UDP源程序的示例代码：```vbImports Imports .SocketsModule Module1Sub Main()' 定义UDP客户端Dim client As New UdpClient()' 设置服务器IP和端口Dim serverIP As IPAddress = IPAddress.Parse("127.0.0.1") Dim serverPort As Integer = 12345' 创建发送的字节数组Dim message As Byte() = Encoding.ASCII.GetBytes("Hello, UDP Server!")' 发送消息到服务器client.Send(message, message.Length, NewIPEndPoint(serverIP, serverPort))' 关闭UDP客户端client.Close()Console.WriteLine("UDP消息发送完成。

")Console.ReadKey()End SubEnd Module```该代码主要实现了一个UDP客户端，通过指定服务器的IP地址和端口号，发送一个消息给服务器。

在这个示例中，我们使用本地回环地址 127.0.0.1 和端口号 12345 来模拟服务器的IP 和端口。

要使此示例工作，你需要在此代码之前启动一个UDP服务器来接收消息。

你可以通过创建一个新的控制台应用程序项目，并使用类似以下示例的代码实现UDP服务器：```vbImports Imports .SocketsModule Module1Sub Main()' 定义UDP服务器监听的端口号Dim serverPort As Integer = 12345' 创建UDP服务器Dim server As New UdpClient(serverPort)Console.WriteLine("等待UDP消息...")' 接收来自客户端的消息Dim clientAddress As IPEndPoint = NewIPEndPoint(IPAddress.Any, serverPort)Dim receivedBytes As Byte() = server.Receive(clientAddress) Dim message As String =Encoding.ASCII.GetString(receivedBytes)Console.WriteLine("收到来自客户端的消息：{0}", message)' 关闭UDP服务器server.Close()Console.WriteLine("UDP服务器关闭。

C/S客户端程序public partial class student : Form{ // 定义类变量private Thread serverThread;//定义服务器线程private Thread recvThread;private Thread sendThread;private TcpClient my_tcpClient; //定义客户tcp对象private NetworkStream networkstream; //定义网络流I/O对象private StreamReader streamreader;private StreamWriter streamwriter;//请求连接方法private void Connection() //定义客户端连接服务器函数{try{IPAddress ipaddress = IPAddress.Parse(text_ip.Text);// 文本框内容赋予变量ipaddressInt32 port = Int32.Parse(text_port.Text); //有效数据16位整数my_tcpClient = new TcpClient(); //实例化请求连接对象my_tcpClient.Connect(ipaddress,port);//连接远程主机（教师机）//一般应根据对象的属性connected==true判断是否连接好listBox1.Items.Add("学生机成功连接上教师机！！");button_send.Enabled = true;button_stop.Enabled = true;button_up.Enabled = false;networkstream = my_tcpClient.GetStream();streamreader = new StreamReader(networkstream);streamwriter = new StreamWriter(networkstream);recvThread = new Thread(new ThreadStart(RecvData));//蓝字体是为RecvData函数定义委托recvThread.Start();}catch (Exception exc){ MessageBox.Show(exc.Message, "学生机提示！"); }}private void RecvData()//定义接收数据函数{string msg = streamreader.ReadLine(); //从当前流中读取一行字符并将数据作为字符串返回while (!msg.Equals("exit")) // 如果接收到的教师机信息不是"exit"，就不断接收信息{listBox1.Items.Add("教师回答：" + msg);msg = streamreader.ReadLine();}button_up.Enabled = true;button_stop.Enabled = false;button_send.Enabled = false;listBox1.Items.Add("教师机关闭！");ReleaseResource(); //释放资源和所使用的对象}private void Send_data()//定义发送数据函数（方法）{if (text_msg.Text != ""){listBox1.Items.Add("学生说：" + text_msg.Text);streamwriter.WriteLine(text_msg.Text); //往当前的数据潮中写入一行字符串，发送数据。

C#实现的Socket服务器端、客户端代码分享服务端:using System;using System.Collections.Generic;using ;using .Sockets;using System.Text;namespace Server{class Program{static void Main(string[] args){Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);IPEndPoint point = new IPEndPoint(IPAddress.Parse("127.0.0.1"),55555);try{server.Bind(point);server.Listen(10);//监听本地端⼝System.Console.WriteLine("开始监听本地端⼝:55555");while (true){Socket sock = server.Accept();byte[] buffer = new byte[1024 * 1024];int n = sock.Receive(buffer);String cmd = Encoding.UTF8.GetString(buffer, 0, n);String result = execCmd(cmd);byte[] bytes = Encoding.UTF8.GetBytes(result);sock.Send(bytes);}}catch (Exception ex){System.Console.WriteLine(ex.Message);return;}}//重定向输⼊输出流，并且⽤cmd执⾏命令private static String execCmd(String cmd){System.Diagnostics.Process p = new System.Diagnostics.Process();p.StartInfo = new System.Diagnostics.ProcessStartInfo();p.StartInfo.FileName = "cmd.exe";p.StartInfo.Arguments ="/c "+cmd;//隐藏程序外壳p.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;//在这⾥重定向输出即可，因为不是交互式的，如果需要交互式的直接反弹cmd即可p.StartInfo.RedirectStandardOutput = true;eShellExecute = false;p.StartInfo.CreateNoWindow = true;p.Start();return p.StandardOutput.ReadToEnd();}}}客户端：using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using ;using .Sockets;using System.Text;using System.Threading;using System.Windows.Forms;/** Code By iswin*/namespace Client{public partial class main : Form{public main(){InitializeComponent();this.ip.Text="127.0.0.1";this.cmd.Text="ipconfig";this.port.Text = "55555";}private void send_Click(object sender, EventArgs e){Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); String remoteip=this.ip.Text;String command = this.cmd.Text;IPAddress ip = IPAddress.Parse(remoteip);IPEndPoint point=new IPEndPoint(ip,int.Parse(port.Text));try{this.recvmsg.Text = "开始连接服务端:" + remoteip + ":" + port.Text + "\n";client.Connect(point);this.recvmsg.Text="连接服务端！\n给服务端发送指令:"+command;byte[] buffer = Encoding.UTF8.GetBytes(command);//讲输⼊的指令发送到服务端client.Send(buffer);//接受服务端返回的数据recvmsgs(client);client.Close();}catch (Exception ex){this.recvmsg.Text = ex.Message;MessageBox.Show(ex.Message);return;}}//接受服务端发送来的消息private void recvmsgs(Socket client){try{byte[] buffer = new byte[1024 * 1024];int size = client.Receive(buffer);String recv = Encoding.UTF8.GetString(buffer, 0, size);this.recvmsg.Text = "\n" + recv;}catch (Exception ex){MessageBox.Show(ex.Message);return;}}}}。

UDP服务器客户端代码⽰例UDP服务器代码：1 #include <errno.h>2 #include <string.h>3 #include <stdlib.h>4 #include <sys/types.h>5 #include <sys/socket.h>6 #include <netinet/in.h>7 #include <arpa/inet.h>8 #include <iostream>910using namespace std;1112int main(int argc, char *argv[])13 {14if (argc != 3)15 {16 cout << "usage: " << argv[0] << " ip port" << endl;17return -1;18 }1920char *szIp = argv[1];21 in_addr_t iIp = inet_addr(szIp);22if (iIp == INADDR_NONE)23 {24 cerr << "fail to parse ip: " << szIp << endl;25return -1;26 }27char *pEnd = NULL;28 uint16_t usPort = strtoul(argv[2], &pEnd, 10);29if (*pEnd != '\0')30 {31 cerr << "fail to parse port: " << argv[2] << endl;32return -1;33 }3435int iSockFd = socket(AF_INET, SOCK_DGRAM, 0);36if (iSockFd < 0)37 {38 cerr << "fail to create socket, err: " << strerror(errno) << endl;39return -1;40 }41 cout << "create socket fd " << iSockFd << endl;4243 sockaddr_in oAddr;44 memset(&oAddr, 0, sizeof(oAddr));45 oAddr.sin_family = AF_INET;46 oAddr.sin_addr.s_addr = iIp;47 oAddr.sin_port = htons(usPort);48if (bind(iSockFd, (sockaddr *)&oAddr, sizeof(oAddr)) < 0)49 {50 cerr << "fail to bind addr " << szIp << ":" << usPort << ", err: " << strerror(errno) << endl;51return -1;52 }53 cout << "bind addr " << szIp << ":" >> usPort << endl;5455 uint8_t acRecvBuf[64 * 1024];56while (true)57 {58 sockaddr_in oClientAddr;59 socklen_t iAddrLen = sizeof(oClientAddr);60 ssize_t iRecvLen = recvfrom(iSockFd, acRecvBuf, sizeof(acRecvBuf), 0, (sockaddr *)&oClientAddr, &iAddrLen);61if (iRecvLen < 0)62 {63 cerr << "fail to recv, err: " << strerror(errno) << endl;64continue;65 }66 cout << "recv data from " << inet_ntoa(oClientAddr.sin_addr) << ":" << ntohs(oClientAddr.sin_port) << ", len: " << iRecvLen << endl; 6768 ssize_t iSendLen = sendto(iSockFd, acRecvBuf, iRecvLen, 0, (sockaddr *)&oClientAddr, iAddrLen);69if (iSendLen < 0)70 {71 cerr << "fail to send, err: " << strerror(errno) << endl;72continue;73 }74 cout << "echo to client, len: " << iSendLen << endl;75 }7677return0;78 }UDP客户端代码：1 #include <errno.h>2 #include <string.h>3 #include <sys/types.h>4 #include <sys/socket.h>5 #include <netinet/in.h>6 #include <arpa/inet.h>7 #include <stdlib.h>8 #include <iostream>910using namespace std;1112int main(int argc, char *argv[])13 {14if (argc != 4)15 {16 cout << "usage: " << argv[0] << " ip port message" << endl;17return -1;18 }1920char *szIp = argv[1];21 in_addr_t iIp = inet_addr(szIp);22if (iIp == INADDR_NONE)23 {24 cerr << "fail to parse ip: " << szIp << endl;25return -1;26 }27char *pEnd = NULL;28 uint16_t usPort = strtoul(argv[2], &pEnd, 10);29if (*pEnd != '\0')30 {31 cerr << "fail to parse port: " << argv[2] << endl;32return -1;33 }34char *szMsg = argv[3];35 size_t uiMsgLen = strlen(szMsg);3637int iSockFd = socket(AF_INET, SOCK_DGRAM, 0);38if (iSockFd < 0)39 {40 cerr << "fail to create socket, err: " << strerror(errno) << endl;41return -1;42 }43 cout << "create socket fd " << iSockFd << endl;4445 sockaddr_in oServerAddr;46 memset(&oServerAddr, 0, sizeof(oServerAddr));47 oServerAddr.sin_family = AF_INET;48 oServerAddr.sin_addr.s_addr = iIp;49 oServerAddr.sin_port = htons(usPort);50 ssize_t iSendLen = sendto(iSockFd, szMsg, uiMsgLen, 0, (sockaddr *)&oServerAddr, sizeof(oServerAddr));51if (iSendLen < 0)52 {53 cerr << "fail to send, err: " << strerror(errno) << endl;54return -1;55 }56 cout << "send to " << szIp << ":" << usPort << ", len: " << uiMsgLen << ", msg: " << szMsg << endl;5758char szRecvBuf[64 * 1024];59 sockaddr_in oRecvAddr;60 socklen_t iAddrLen = sizeof(oRecvAddr);61 ssize_t iRecvLen = recvfrom(iSockFd, szRecvBuf, sizeof(szRecvBuf), 0, (sockaddr *)&oRecvAddr, &iAddrLen);62if (iRecvLen < 0)63 {64 cerr << "fail to recv, err: " << strerror(errno) << endl;65return -1;66 }67 szRecvBuf[iRecvLen] = '\0';68 cout << "recv from " << inet_ntoa(oRecvAddr.sin_addr) << ":" << ntohs(oRecvAddr.sin_port) << ", len: " << iRecvLen << ", msg: " << szRecvBuf << endl; 6970return0;71 }。