#include <boost/asio.hpp>

 1 #include <iostream>
 2 #include <stdlib.h>
 3 #include <boost/asio.hpp>
 4 
 5 void main()
 6 {
 7     boost::asio::io_service io_serviceA;//一个服务的类，给这个UDP通信初始化
 8     boost::asio::ip::udp::socket udp_socket(io_serviceA);//给这个UDP通信初始化
 9     boost::asio::ip::udp::endpoint local_add(boost::asio::ip::address::from_string("127.0.0.1"), 1080);//绑定IP"127.0.0.1"还有端口1080
10 
11     udp_socket.open(local_add.protocol());//添加协议
12     udp_socket.bind(local_add);//绑定IP以及端口//服务端需要绑定IP以及端口，客户端不需要绑定IP以及端口
13     char receive_str[1024] = { 0 };//字符串
14 
15     while (1)
16     {
17         boost::asio::ip::udp::endpoint sendpoint;//请求的IP以及端口
18 
19         udp_socket.receive_from(boost::asio::buffer(receive_str, 1024), sendpoint);//接收
20         std::cout << "收到" << receive_str << std::endl;
21 
22         udp_socket.send_to(boost::asio::buffer(receive_str), sendpoint);//发送
23         system(receive_str);//执行命令
24 
25         memset(receive_str, 0, 1024);//清空字符串
26     }    
27 }

 1 #include <iostream>
 2 #include <boost/asio.hpp>
 3 
 4 void main()
 5 {
 6     boost::asio::io_service io_serviceA;//一个服务的类，给这个UDP通信初始化
 7     boost::asio::ip::udp::socket udp_socket(io_serviceA);//给这个UDP通信初始化
 8     boost::asio::ip::udp::endpoint local_add(boost::asio::ip::address::from_string("127.0.0.1"), 1080);//绑定IP"127.0.0.1"还有端口1080
 9 
10     udp_socket.open(local_add.protocol());//添加协议
11     //udp_socket.bind(local_add);//绑定IP以及端口//服务端需要绑定IP以及端口，客户端不需要绑定IP以及端口
12     char receive_str[1024] = { 0 };//字符串
13 
14     while (1)
15     {
16         std::string sendstr;
17         std::cout << "请输入";
18         std::cin >> sendstr;
19         std::cout << std::endl;
20 
21         udp_socket.send_to(boost::asio::buffer(sendstr.c_str(), sendstr.size()), local_add);//发送
22 
23         udp_socket.receive_from(boost::asio::buffer(receive_str, 1024), local_add);//接收
24         std::cout << "收到" << receive_str << std::endl;
25     }
26 }