1 #define  _CRT_SECURE_NO_WARNINGS
 2 #include<stdio.h>
 3 #include <stdlib.h>
 4 #include <string.h>
 5 //网络通信
 6 #include<winsock.h>
 7 #pragma  comment(lib,"ws2_32.lib")
 8
 9 void main()
10 {
11     //发送的消息
12     char sendbuf[1024] = { 0 };
13     //收到的消息
14     char receivebuf[1024] = { 0 };
15     //发送的长度
16     int sendlength = 0;
17     //接收的长度
18     int receivelength = 0;
19
20     //通信套接字,用于创建TCP连接
21     SOCKET socket_send;
22     //创建服务器端结构体保存ip地址以及端口号
23     SOCKADDR_IN sever_addr;
24
25     //版本,2,2版本
26     WORD wversion = MAKEWORD(2, 2);
27     //版本
28     WSADATA wsadata;
29     //获取版本对比,开始通信
30     int error = WSAStartup(wversion, &wsadata);
31     if (error != 0)
32     {
33         printf("error");
34         return;
35     }
36     //取出低八位，高八位，对比版本
37     if (LOBYTE(wsadata.wVersion) != 2 || HIBYTE(wsadata.wVersion) != 2)
38     {
39         printf(" version  error");
40         return;
41     }
42     //设置通信模式
43     sever_addr.sin_family = AF_INET;
44     sever_addr.sin_addr.S_un.S_addr = inet_addr("192.168.0.104");
45     //端口
46     sever_addr.sin_port = htons(9982);
47
48     //创建tcp通信
49     socket_send = socket(AF_INET, SOCK_STREAM, 0);
50
51     //通过套接字连接到服务器
52     connect(socket_send, (SOCKADDR*)&sever_addr, sizeof(SOCKADDR));
53
54     FILE *pfr = fopen("1.txt", "rb");
55
56
57     while (!feof(pfr))
58     {
59         fgets(sendbuf, 1024, pfr);
60         //通过套接字发送到服务器
61         sendlength = send(socket_send, sendbuf, 1024, 0);
62         memset(receivebuf, 0, 1024);//清零
63     }
64
65
66     //关闭网络
67     closesocket(socket_send);
68     WSACleanup();//关闭
69     system("pause");
70 }

 1 #define  _CRT_SECURE_NO_WARNINGS
 2 #include<stdio.h>
 3 #include <stdlib.h>
 4 #include <string.h>
 5 //网络通信
 6 #include<winsock.h>
 7 #pragma  comment(lib,"ws2_32.lib")
 8
 9 void main()
10 {
11     //发送的消息
12     char sendbuf[1024] = { 0 };
13     //收到的消息
14     char receivebuf[1024] = { 0 };
15     //发送的长度
16     int sendlength = 0;
17     //收到的长度
18     int receivelength = 0;
19     // SOCKADDR结构体长度
20     int length;
21
22     //服务器套接字
23     SOCKET socket_server;
24     //连接的套接字
25     SOCKET sorket_receive;
26
27     //服务器结构体信息
28     SOCKADDR_IN sever_addr;
29     //客户端结构体信息
30     SOCKADDR_IN client_addr;
31
32     //版本,2,2版本
33     WORD wversion = MAKEWORD(2, 2);
34     //当前版本
35     WSADATA wsadata;
36     //获取版本对比,开始通信
37     int error = WSAStartup(wversion, &wsadata);
38     if (error != 0)
39     {
40         printf("error");
41         return;
42     }
43     //取出低八位，高八位，对比版本
44     if (LOBYTE(wsadata.wVersion) != 2 || HIBYTE(wsadata.wVersion) != 2)
45     {
46         printf(" version  error");
47         return;
48     }
49
50     //设置服务器结构体信息
51     sever_addr.sin_family = AF_INET;//通信
52     sever_addr.sin_addr.S_un.S_addr = htonl(INADDR_ANY);//获取本地址
53     sever_addr.sin_port = htons(9982);//端口
54
55     //创建服务器套接字，接受消息  SOCK_STREAM流
56     socket_server = socket(AF_INET, SOCK_STREAM, 0);//创建
57     //把套接字与服务器结构体绑定 (绑定的是地址，端口)
58     bind(socket_server, (SOCKADDR*)&sever_addr, sizeof(SOCKADDR));
59     //服务器套接字监听
60     listen(socket_server, 5);//最大等待数目为5
61     length = sizeof(SOCKADDR);
62     //通过服务器套接字接受连接,初始化套接字sorket_receive,把连接者的信息存放在结构体client_addr中
63     sorket_receive = accept(socket_server, (SOCKADDR*)&client_addr, &length);
64
65     FILE *pfw = fopen("2.txt", "wb");
66     int flag = 0;//判断是否文件传输完
67     while (1)
68     {
69         //接收数据
70         receivelength = recv(sorket_receive, receivebuf, 1024, 0);
71         if (strlen(receivebuf) > 0)
72         {
73             flag = 1;
74             printf("客户端说：%s\n", receivebuf);
75             fputs(receivebuf, pfw);
76             memset(receivebuf, 0, 1024);//清零
77         }
78         else
79         {
80             if (flag == 1)
81             {
82                 printf("传输完成\n");
83                 break;
84             }
85         }
86     }
87
88     //释放网络
89     closesocket(sorket_receive);//关闭网络
90     closesocket(socket_server);
91     WSACleanup();//关闭
92     system("pause");
93 }