Tcp C/S架构实现聊天室（数组管理在线用户）（客户端）

川长思鸟来 2022-07-11 12:15 124阅读 0赞

这篇博客是上一篇的另外一半，客户端的实现，还是有些bug没有调试好，这两天在重新写链表管理的服务器，我打算重新考虑一下客户端的界面显示，收发消息实现的机制。

/*********************************************************************
    File Name:               tcp_net_socket.h
    Author:                          date:
    Description:            
    Fuction List:			
    ********************************************************************/
    
    #ifndef TCP_NET_SOCKET_H_
    #define TCP_NET_SOCKET_H_
    
    #include <stdio.h>
    #include <sqlite3.h>
    #include <sys/types.h>
    #include <sys/socket.h>
    #include <string.h>
    #include <strings.h>
    #include <stdlib.h>
    #include <netinet/in.h>
    #include <arpa/inet.h>
    #include <unistd.h>
    #include <signal.h>
    #include <pthread.h>
    #include <semaphore.h>
    #include <termios.h>
    #include <time.h>
    #include <sys/stat.h>
    #include <fcntl.h>
    
    #define SERV_PORT 		9000
    #define reg			    1         //注册
    #define log				2		  //登录
    #define group_chat      5         //群聊
    #define group_result    -6		  //群聊接受
    #define private_chat    10		  //私聊
    #define file_transfer   15		  //文件传输对象
    #define file_confire    80		  //文件询问确认接受
    #define file_yes        81		  //接受
    #define file_no			82		  //不接受
    #define file_select     18		  //文件选择
    #define file_recv		83		  //文件接收
    #define online_member   20		  //查看在线人数
    #define online_result   21		  //在线人数结果
    #define expression      25		  //表情
    #define e_select        26        //发送表情选择
    #define phrases         29		  //常用语
    #define p_select        31		  //发送常用语选择
    #define motto			35		  //个性签名
    #define like            40        //点赞
    #define Vip             38        //开会员
    #define Shutup          45        //禁言
    #define Shutuped        46		  //被禁言
    #define lifted          50		  //解禁
    #define	kick            55        //踢人
    #define kicked          56		  //被踢下线
    #define exit            100		  //退出
    #define existing_acc    -1		  //账号已存在
    #define logged_acc      -2        //账号已登录
    #define error           -3  	  //账号或密码错误
    #define error1          -4		  //重复登录
    #define log_success     3		  //登录成功
    #define reg_success     4		  //注册成功
    #define Send_success    6         //发送信息成功
    #define Send_error      7         //发送信息失败
    #define send_msg        8         //发送信息
    #define recv_msg        9         //接受信息
    #define send_result	    11        //发送结果
    #define Exit			12		  //退出
    #define kick_fail       16        //踢人失败
    #define kick_success    17        //踢人成功
    #define like_success    13        //点赞成功
    #define file_success    14        //文件传输成功
    #define motto_change    19		  //更改个性签名
    #define forget          60		  //忘记密码
    
    extern int tcp_init();
    extern int tcp_accept(int sfd);
    extern int tcp_connet();
    extern void signalhandler(void);
    extern int mygetch();
    extern int gettime();
    extern char* nowtime();
    
    #endif

/*********************************************************************
    File Name:               tcp_net_socket.c
    Author:                          date:
    Description:            
    Fuction List:			int tcp_init() 							//用于初始化操作
    						int tcp_accept(int sfd)					//用于服务器的接收
    						int tcp_connect(const char* ip)			//用于客户端的连接
    						void signalhandler(void)				//用于信号处理，让服务器在按下Ctrl+c或Ctrl+\时不会退出
    ********************************************************************/
    
    #include "tcp_net_socket.h"
    
    //用于初始化操作
    int tcp_init()  
    {
    	int sfd = socket(AF_INET, SOCK_STREAM, 0);     //创建套接字
    	if(sfd == -1)
    	{
    		perror("socket");
    		return -1;
    	}
    	
    	int ret;
    	struct sockaddr_in serveraddr;
    
    	memset(&serveraddr,0,sizeof(struct sockaddr));	
    	serveraddr.sin_family = AF_INET;
    	serveraddr.sin_port = htons(SERV_PORT);
    	serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
    	
    	ret = bind(sfd, (struct sockaddr*)&serveraddr, sizeof(struct sockaddr));
    	if(ret == -1)
    	{
    		perror("bind");
    		return -1;
    	}
    	
    	ret = listen(sfd,10);           //监听它，并设置允许最大的连接数为10个
    	if(ret == -1)
    	{
    		perror("listen");
    		close(sfd);
    		return -1;
    	}
    	
    	return sfd;
    }
    
    //用于服务器的接收
    int tcp_accept(int sfd)
    {
    	struct sockaddr_in clientaddr;
    	memset(&clientaddr, 0, sizeof(struct sockaddr));
    	int addrlen = sizeof(struct sockaddr);
    	
    	//sfd接受客户端的连接，并创建新的socket为new_fd，将请求连接的客户端的ip、port保存在结构体clientaddr中
    	int new_fd = accept(sfd, (struct sockaddr*)&clientaddr, &addrlen);       
    	if(new_fd == -1)
    	{
    		perror("accept");
    		close(sfd);
    		return -1;
    	}
    	printf("%s %d success connet...\n", 
    	inet_ntoa(clientaddr.sin_addr),ntohs(clientaddr.sin_port));
    	
    	return new_fd;
    }
    
    //用于客户端的连接
    int tcp_connect(const char* ip)
    {
    	int ret;
    	int sfd = socket(AF_INET, SOCK_STREAM, 0);     //申请新的socket
    	if(sfd == -1)
    	{
    		perror("socket");
    		return -1;
    	}
    	
    	struct sockaddr_in serveraddr;
    	
    	memset(&serveraddr, 0,sizeof(struct sockaddr));
    	serveraddr.sin_family = AF_INET;
    	serveraddr.sin_port = htons(SERV_PORT);
    	serveraddr.sin_addr.s_addr = inet_addr(ip);    
    	
    	ret = connect(sfd, (struct sockaddr*)&serveraddr, sizeof(struct sockaddr));       //将sfd连接至指定的服务器网络地址 serveraddr
    	if(ret == -1)
    	{
    		perror("connect");
    		close(sfd);
    		return -1;
    	}
    	
    	return sfd;
    }
    
    //用于信号处理，让服务器在按下Ctrl+c或Ctrl+\时不会退出
    void signalhandler(void)
    {
    	sigset_t sigSet;
    	sigemptyset(&sigSet);
    	sigaddset(&sigSet,SIGINT);
    	sigaddset(&sigSet,SIGQUIT);
    	sigprocmask(SIG_BLOCK,&sigSet,NULL);
    }
    
    //用于将密码数字转换为*
    int mygetch( )
    {
    	struct termios oldt,
    	newt;
    	int ch;
    	tcgetattr( STDIN_FILENO, &oldt );
    	newt = oldt;
    	newt.c_lflag &= ~( ICANON | ECHO );
    	tcsetattr( STDIN_FILENO, TCSANOW, &newt );
    	ch = getchar();
    	tcsetattr( STDIN_FILENO, TCSANOW, &oldt );
    	return ch;
    }
    
    //获取当前时间 
    int gettime()
    {
    	time_t rawtime;
    	struct tm * timeinfo;
    	time ( &rawtime );
    	timeinfo = localtime ( &rawtime );
    	printf ( "%s",asctime (timeinfo) );	
    }
    
    //获取当前时间   指针 用于消息记录
    char* nowtime()
    {
    	time_t rawtime;
    	struct tm * timeinfo;
    	time ( &rawtime );
    	timeinfo = localtime ( &rawtime );
    	return asctime (timeinfo);	
    }
    
    void SCAN_N()
    {
    	char ch;
    	while((getchar()) != '\n' && ch != EOF);
    }
    
    int Get_time(void)//六位数组
    {
    	/* int *temp =p; */
    	time_t now ;
    	struct tm *t ;
    	time(&now) ;
    	t = localtime(&now);
    	/* *(temp++) = t->tm_year+1900;
    	*(temp++) = t->tm_mon+1;
    	*(temp++) = t->tm_mday;
    	*(temp++) = t->tm_hour;
    	*(temp++) = t->tm_min;
    	*temp = t->tm_sec; */
    	return (t->tm_mon+1)*1000000+t->tm_mday*10000+t->tm_hour*100+t->tm_min;
    }
    
    void Welecome(void)
    {
    	system("clear");
    	int a =Get_time();
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         W                                     *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         We                                    *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Wel                                   *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welc                                  *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welco                                 *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcom                                *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome t                             *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to                            *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to o                          *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(100000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to ou                         *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our                        *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our c                      *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our ch                     *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our cha                    *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chat                   *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatt                  *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatti                 *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chattin                *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(200000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatting               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(150000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatting r             *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(150000);
    
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatting ro            *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(150000);
    	
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatting roo           *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(150000);
    	
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatting room          *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(150000);
    	
    	system("clear");
    	printf("\n\n\n\n\t\t*************************************************\n");
    	printf("\t\t* 2017-%02d-%02d-%02d-%02d                              *\n",a/1000000,a%1000000/10000,a%10000/100,a%100);
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*         Welcome to our chatting room!         *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                               *\n");
    	printf("\t\t*                                  Author:hjf   *\n");
    	printf("\t\t*************************************************\n");
    	usleep(150000);
    	
    	sleep(2);
    }

#include "tcp_net_socket.h"
    
    struct send
    {
    	int socket;
    	char account[20];         //账号
    	char passward[20];        //密码
    	char name[20];            //名字
    	char moto[256];		 	  //个性签名
    	int  likes;        	      //点赞数
    	char question[100];		  //密保问题
    	char answer[100];		  //密保答案
    	char toname[20];          //接收人
    	int cmd;            	  //提取操作符
    	char buff[2048]; 	      //发送、接收文件   消息
    	int state;         	      //是否处于禁言状态	
    	int vip;				  //是否是会员
    	char e_s;                 //确认发送的表情
    	char p_s;                 //确认发送的常用语
    	char file[2048];          //发送文件存的数据
    	char file_name[30];		  //文件名
    };
    
    struct recv
    {
    	char from_name[20];		  //发信人
    	char name[20];            //名字
    	char moto[256];		 	  //个性签名
    	int result;        	      //返回操作结果
    	int online_num;    	      //在线人数
    	char num[20][20];    	  //在线人名
    	char cuff[2048]; 	      //发送、接收文件   消息
    	int cmd_back;             //提取操作符
    	int likes;        	      //点赞数
    	int state;         	      //是否处于禁言状态
    	int vip;				  //是否是会员
    	int msg_back;             //确认是接收方还是发送方
    	char e_s;                  //确认发送的表情
    	char p_s;                 //确认发送的常用语
    	char file[2048];          //发送文件存的数据
    	char file_name[30];		  //文件名
    	char question[100];		  //密保问题
    	char answer[100];		  //密保答案
    	char passward[20];        //密码
    };
    
    struct send userInfo;
    struct recv userBack;
    char Name[20];
    pthread_mutex_t mutex;
    char fan[20];            //输入任意键返回
    char ecf[12];		     //输入选择
    FILE *stream;
    
    //主界面显示
    void show()
    {
    	system("clear");
    	printf("\n\n\n");
    	printf("\t\t\t\t  欢迎来到聊天室!祝您聊天愉快！");
    	printf("\n\n\n\n\n");
    	printf("\t\t\t\t\t1  注册\n");
    	printf("\t\t\t\t\t2  登录\n");
    	printf("\t\t\t\t\t3  忘记密码\n");
    	printf("\t\t\t\t\t4  退出\n");
    	printf("\n\n\t\t\t请输入选择：");
    }
    
    //注册界面显示及处理
    int show_reg()
    {
    	char pass1[20];
    	char pass2[20];
    	char temp;
    	int i = 0;
    	int j = 0;
    	system("clear");
    	printf("\n\n\n\n");
    	printf("\t\t\t\t请输入账号：");
    	scanf("%s",userInfo.account);
    	
    	printf("\n\t\t\t\t请输入密码：");
    	
    	while(i < 20)
    	{
    		pass1[i] = mygetch();
    		if(pass1[i] == 10)
    		{
    			if(j == 0)					防止输入账号的最后一个回车影响 
    			{	
    				j++;
    				continue;
    			}
    			break;
    		}
    		printf("*");
    		i++;
    	}
    	pass1[i] = '\0';
    	
    	i = 0;
    	printf("\n\n\t\t\t\t请确认您的密码：");
    	while(i < 20)
    	{
    		pass2[i] = mygetch();
    		if(pass2[i] == 10)
    		{
    			break;
    		}
    		printf("*");
    		i++;
    	}
    	pass2[i] = '\0';
    	
    	printf("\n\n\t\t\t\t请设计您的昵称：");
    	scanf("%s",userInfo.name);
    	userInfo.state = 0;
    	strcpy(userInfo.moto, "我想回家(T_T)");
    	
    	printf("\n\n\t\t\t\t请输入密保问题：");
    	scanf("%s",userInfo.question);
    	
    	printf("\n\n\t\t\t\t请输入密保答案：");
    	scanf("%s",userInfo.answer);
    	
    	system("clear");
    	printf("\n\n\n\n\n\n\n\t\t\t正在注册......\n");
    	sleep(2);
    	
    	if(strcmp(pass1, pass2) != 0)
    	{
    		printf("\n\n\t\t\t\t密码输入有误！请重新注册！\n");
    		sleep(2);
    		return -9;
    	}
    	else
    	{
    		strcpy(userInfo.passward, pass1);
    	}
    }
    
    //登录界面显示
    int show_log()
    {
    	char pass1[20];
    	int i = 0;
    	int j = 0;
    	system("clear");
    	printf("\n\n\n\n\n\n\n");
    	printf("\t\t\t\t请输入账号：");
    	scanf("%s",userInfo.account);
    	
    	printf("\n\t\t\t\t请输入密码：");
    	
    	while(i < 20)
    	{
    		pass1[i] = mygetch();
    		if(pass1[i] == 10)
    		{
    			if(j == 0)					防止输入账号的最后一个回车影响 
    			{	
    				j++;
    				continue;
    			}
    			break;
    		}
    		printf("*");
    		i++;
    	}
    	pass1[i] = '\0';
    	
    	strcpy(userInfo.passward, pass1);
    	
    	system("clear");
    	printf("\n\n\n\n\n\n\n\t\t\t正在登陆......\n");
    	sleep(2);
    }
    
    //登陆之后界面显示及处理
    int show_chat()
    {
    	system("clear");
    	gettime();
    	printf("\n%s   个性签名：%s   点赞数：%d", Name, userBack.moto, userBack.likes);
    	if(userBack.vip == 1)
    	{
    		printf("\t\t尊贵的黄金会员");
    	}
    	else
    	{
    		printf("\t\t普通用户");
    	}
    	printf("\n\n\t\t\t\t\t a 私聊\n");
    	printf("\t\t\t\t\t b 群聊\n");
    	printf("\t\t\t\t\t c 文件传输\n");
    	printf("\t\t\t\t\t d 查看在线人数\n");
    	printf("\t\t\t\t\t e 发送表情\n");
    	printf("\t\t\t\t\t f 常用语\n");
    	printf("\t\t\t\t\t g 点赞\n");
    	printf("\t\t\t\t\t h 更改个性签名\n");
    	printf("\t\t\t\t\t i 注册会员\n");
    	printf("\t\t\t\t\t j 禁言(需开通会员)\n");
    	printf("\t\t\t\t\t k 解禁(需开通会员)\n");
    	printf("\t\t\t\t\t l 踢人(需开通会员)\n");
    	printf("\t\t\t\t\t m 查看聊天记录\n");
    	printf("\t\t\t\t\t n 退出\n");
    	printf("\n\t\t请输入您的选择：");
    }
    
    //发送表情的选择
    int deal_send_expr(int sfd)
    {
    	char e[10];    	//输入表情选项
    	int ret;
    	
    	system("clear");
    	printf("\n\n\n\n");
    	if(userBack.state == Shutup)
    	{
    		printf("\n\n\n\n\n\n\t\t您处于被禁言状态！无法发言！开通会员可以解禁`(*∩_∩*)′\n");
    		printf("\n\n\n\t\t输入任意键返回：");
    		scanf("%s",fan);
    		return Shutup;
    	}
    	
    	printf("\n\t\t\t您想发表情给谁呢？：");
    	scanf("%s", userInfo.toname);
    	strcpy(userInfo.name, Name);
    	userInfo.cmd = expression;
    	
    	printf("\n\n\t\t\t\t1 开心       :-D\n");
    	printf("\t\t\t\t2 生气       ＝　＝＃\n");
    	printf("\t\t\t\t3 为你加油   *\(^_^)/*\n");
    	printf("\t\t\t\t4 两手一摊   ╮(￣▽ ￣)╭\n");
    	printf("\t\t\t\t5 飞吻       づ￣ 3￣)づ\n");
    	printf("\t\t\t\t6 哭泣       (T_T)\n");
    	printf("\t\t\t\t7 竖起大拇指 b（￣▽￣）d\n");
    	printf("\t\t\t\t8 不满       (︶︿︶)\n");
    	printf("\t\t\t\t9 亲亲       >3<\n\n");
    	printf("\t\t请输入您想发送的表情：");
    	scanf("%s", e);
    	
    	userInfo.e_s = e[0];
    	
    	ret = write(sfd, &userInfo, sizeof(userInfo));
    	if(ret == -1)
    	{
    		perror("write");
    		return -1;
    	}
    }
    
    //发送常用语的选择
    int deal_phrases(int sfd)
    {
    	char p[10];    	//输入常用语选项
    	int ret;
    	
    	system("clear");
    	printf("\n\n\n\n");
    	if(userBack.state == Shutup)
    	{
    		printf("\n\n\n\n\n\n\t\t您处于被禁言状态！无法发言！开通会员可以解禁`(*∩_∩*)′\n");
    		printf("\n\n\n\t\t输入任意键返回：");
    		scanf("%s",fan);
    		return Shutup;
    	}
    	
    	printf("\n\t\t\t您想给谁发信息呢？：");
    	scanf("%s", userInfo.toname);
    	strcpy(userInfo.name, Name);			
    	userInfo.cmd = phrases;					
    	
    	printf("\n\t\t\t1 はじめまして            (  初次见面 )\n");
    	printf("\t\t\t2 どうぞよろしく          (  请多关照 )\n");
    	printf("\t\t\t3 そうですか              (  是吗？   )\n");
    	printf("\t\t\t4 はい                    (  是的     )\n");
    	printf("\t\t\t5 よくいらっしゃいました  (欢迎，欢迎 )\n");
    	printf("\t\t\t6 どういたしまして        (  不用客气 )\n");
    	printf("\t\t\t7 おはよございます        (   早上好  )\n");
    	printf("\t\t\t8 こんにちは              (  你好！   )\n");
    	printf("\t\t\t9 こんばんは              (   晚上好！)\n");
    	printf("\n\t\t请输入您想发送的常用语：");
    	scanf("%s", p);
    	
    	userInfo.p_s = p[0];
    	
    	ret = write(sfd, &userInfo, sizeof(userInfo));
    	if(ret == -1)
    	{
    		perror("write");
    		return -1;
    	}
    }
    
    //发送文件的选择
    int deal_sendfile(int sfd)
    {
    	char bs;
    	int ret;
    	int fd;
    	ssize_t num;
    	int i = 0;
    	
    	system("clear");
    	printf("\n\n\n\n");
    	if(userBack.state == Shutup)
    	{
    		printf("\n\n\n\n\n\n\t\t您处于被禁言状态！无法发言！开通会员可以解禁`(*∩_∩*)′\n");
    		printf("\n\n\n\t\t输入任意键返回：");
    		scanf("%s",fan);
    		return Shutup;
    	}
    	
    	printf("\n\t\t\t您想给谁发文件呢？：");
    	scanf("%s", userInfo.toname);
    	strcpy(userInfo.name, Name);	
    	printf("\n\n\t\t\t请告诉我本文件夹下要发送的文件名`(*∩_∩*)′：");
    	scanf("%s", userInfo.file_name);
    	userInfo.cmd = file_transfer;
    	
    	fd = open(userInfo.file_name, O_RDONLY, S_IRUSR | S_IWUSR);
    	if(fd < 0)
    	{
    		printf("\n\n\t\t\t\t没有此文件！\n");
    		return -1;
    	}
    	
    	while(1)
    	{
    		memset(&bs, 0, sizeof(bs));
    		ssize_t read_bytes = read(fd, &bs, sizeof(bs));
    		if(read_bytes == -1)
    		{
    			perror("read");
    			return -1;
    		}
    		if(read_bytes == 0)
    		{
    			break;
    		}
    		userInfo.file[i] = bs;
    		i++;
    	}
    	userInfo.file[i] = '\0';
    	
    	ret = write(sfd, &userInfo,sizeof(userInfo));
    	if(ret == -1)
    	{
    		perror("write");
    		return -1;
    	}
    	
    	system("clear");
    	printf("\n\n\n\n");
    	printf("\n\n\n\t\t恭喜您发送文件成功！`(*∩_∩*)′\n");
    	printf("\n\n\n\t\t输入任意键返回：");
    	scanf("%s",fan);
    }
    
    //对聊天等需求的处理
    int deal_log(int sfd)
    {
    	int ret;
    	char x[2];                           //用于支付确认  
    	char xzf[40];
    	char czf[2048];
    
    	while(1)
    	{
    		show_chat();
    		scanf("%s",ecf);
    
    		switch (ecf[0])
    		{
    			case 'a':                    //私聊
    			{
    				system("clear");
    				printf("\n\n\n\n");
    				int i = 0;
    				int fd1;
    				char a;
    				if(userBack.state == Shutup)
    				{
    					printf("\n\n\n\n\n\n\t\t您处于被禁言状态！无法发言！开通会员可以解禁`(*∩_∩*)′\n");
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    					break;
    				}
    				
    				memset(czf,0,strlen(czf));
    				memset(xzf,0,strlen(xzf));
    				
    				printf("\t\t\t您想和谁聊天呢？请输入对方名字：");
    				scanf("%s", userInfo.toname);
    				a = getchar();
    				printf("\n\n\t\t\t请输入您想要说的话：");
    				scanf("%[^\n]", userInfo.buff);
    				
    				userInfo.cmd = private_chat;
    				
    				strcpy(userInfo.name,Name);
    				
    				ret = write(sfd, &userInfo,sizeof(userInfo));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				
    				sprintf(xzf, "%s与%s的聊天记录.txt", Name, userInfo.toname);
    				fd1 = open(xzf, O_CREAT | O_RDWR | O_APPEND, S_IRUSR | S_IWUSR);
    				if(fd1 == -1)
    				{
    					perror("open");
    					return -1;
    				}
    				
    				sprintf(czf, "%s 对 %s 发送了一句悄悄话：%s\t%s", Name, userInfo.toname, userInfo.buff,nowtime());
    				ret = write(fd1, czf, strlen(czf));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				
    				printf("\n\n\t\t\t......\n");
    				sleep(2);
    				
    				break;
    			}
    			case 'b':                    //群聊
    			{
    				system("clear");
    				printf("\n\n\n\n");
    				int i = 0;
    				char a;
    				if(userBack.state == Shutup)
    				{
    					printf("\n\n\n\n\n\n\t\t您处于被禁言状态！无法发言！开通会员可以解禁`(*∩_∩*)′\n");
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    					break;
    				}
    				a = getchar();
    				printf("\n\n\n\n\n\t\t\t请输入您想要说的话：");
    				scanf("%[^\n]", userInfo.buff);
    				
    				userInfo.cmd = group_chat;
    				
    				strcpy(userInfo.name,Name);
    				
    				ret = write(sfd, &userInfo,sizeof(userInfo));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				printf("\n\n\t\t\t......\n");
    				sleep(2);
    				
    				break;
    			}
    			case 'c':                    //文件传输
    			{
    				deal_sendfile(sfd);
    				
    				break;
    			}
    			case 'd':                    //查看在线人数
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t...\n");
    				sleep(2);
    				userInfo.cmd = online_member;
    				
    				ret = write(sfd, &userInfo,sizeof(userInfo));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				break;
    			}
    			case 'e':                    //发送表情
    			{
    				deal_send_expr(sfd);
    				system("clear");
    				printf("\n\n\n\n");
    				printf("\n\n\n\t\t恭喜您发送表情成功！`(*∩_∩*)′\n");
    				printf("\n\n\n\t\t输入任意键返回：");
    				scanf("%s",fan);
    				break;
    			}
    			case 'f':                    //常用语
    			{
    				deal_phrases(sfd);
    				system("clear");
    				printf("\n\n\n\n");
    				sleep(2);
    				printf("\n\n\n\t\t恭喜您发送常用语成功！`(*∩_∩*)′\n");
    				printf("\n\n\n\t\t输入任意键返回：");
    				scanf("%s",fan);
    				break;
    			}
    			case 'g':					 //点赞
    			{
    				userInfo.cmd = like;
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t您比较欣赏谁呢？`(*∩_∩*)′请告诉我：");
    				scanf("%s", userInfo.toname);
    				strcpy(userInfo.name, Name);
    				
    				ret = write(sfd, &userInfo,sizeof(userInfo));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				printf("\n\n\n\t\t恭喜您点赞成功！`(*∩_∩*)′\n");
    				printf("\n\n\n\t\t输入任意键返回：");
    				scanf("%s",fan);
    				break;
    			}
    			case 'h':					//更改个性签名
    			{
    				userInfo.cmd = motto_change;
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t您想要一个什么样的个性签名呢？\n\n\n\t\t\t\t");
    				scanf("%s", userInfo.moto);
    				strcpy(userInfo.name, Name);
    				
    				ret = write(sfd, &userInfo,sizeof(userInfo));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				printf("\n\n\n\t\t恭喜您更改个性签名成功！`(*∩_∩*)′\n");
    				printf("\n\n\n\t\t输入任意键返回：");
    				scanf("%s",fan);
    				break;
    			}
    			case 'i':				    //注册会员
    			{
    				if(userBack.vip == 1)
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t\t您已经是尊贵的黄金会员了！`(*∩_∩*)′\n");
    					sleep(2);
    				}
    				else if(userBack.vip == 0)
    				{
    					system("clear");
    					printf("\n\n\n\t您好，请先支付200元，然后就能永久享受vip权限了！`(*∩_∩*)′\n");
    					printf("\n\n\n\n\n\t确认支付吗？（y/n）");
    					scanf("%s",x);
    					
    					sleep(2);
    					
    					if(x[0] == 'y')
    					{
    						strcpy(userInfo.name,Name);
    						userInfo.vip = 1;
    						userInfo.cmd = Vip;
    						
    						ret = write(sfd, &userInfo, sizeof(userInfo));
    						if(ret == -1)
    						{
    							perror("write");
    							return -1;
    						}
    						system("clear");
    						printf("\n\n\n\n\n\n\t\t恭喜您成为尊贵的黄金会员！`(*∩_∩*)′\n");
    						printf("\n\n\n\t\t输入任意键返回：");
    						scanf("%s",fan);
    					}
    				}
    				break;
    			}
    			case 'j':                   //禁言
    			{
    				if(userBack.vip == 0)
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t您还没有开通会员，请先开通会员！`(*∩_∩*)′\n");
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    				}
    				else if(userBack.vip == 1)
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t您想让谁闭嘴呢？`(*∩_∩*)′请告诉我：");
    					scanf("%s", userInfo.toname);
    					userInfo.cmd = Shutup;
    					strcpy(userInfo.name,Name);
    					
    					ret = write(sfd, &userInfo, sizeof(userInfo));
    					if(ret == -1)
    					{
    						perror("write");
    						return;
    					}
    					printf("\n\n\n\t\t恭喜您禁言成功！`(*∩_∩*)′\n");
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    				}
    				break;
    			}
    			case 'k':                  //解禁
    			{
    				if(userBack.state == 0)
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t您没有被禁言！尽情聊天吧`(*∩_∩*)′\n");
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    				}
    				else if(userBack.state == Shutup)
    				{
    					if(userBack.vip == 0)
    					{
    						system("clear");
    						printf("\n\n\n\n\n\n\t\t您还没有开通会员，请先开通会员！`(*∩_∩*)′\n");
    						printf("\n\n\n\t\t输入任意键返回：");
    						scanf("%s",fan);
    					}
    					else if(userBack.vip == 1)
    					{
    						system("clear");
    						printf("\n\n\n\n\n\n\t\t您想现在解禁吗！(y/n)：");
    						scanf("%s",x);
    						
    						if(x[0] == 'y')
    						{
    							userBack.state = 0;
    							system("clear");
    							printf("\n\n\n\n\n\n\t\t恭喜您成功解禁！尽情去嗨皮啊！`(*∩_∩*)′\n");
    							printf("\n\n\n\t\t输入任意键返回：");
    							scanf("%s",fan);
    						}
    					}
    				}
    				break;
    			}
    			case 'l':					//踢人
    			{
    				if(userBack.vip == 0)
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t您还没有开通会员，请先开通会员！`(*∩_∩*)′\n");
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    				}
    				else
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t您看谁不顺眼呢？`(*∩_∩*)′请告诉我：");
    					scanf("%s", userInfo.toname);
    					
    					strcpy(userInfo.name, Name);
    					userInfo.cmd = kick;                      //vip踢人信号
    					
    					ret = write(sfd, &userInfo, sizeof(userInfo));
    					if(ret == -1)
    					{
    						perror("write");
    						return;
    					}
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t恭喜您！对方已成功下线！`(*∩_∩*)′\n");
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    				}
    				
    				break;
    			}
    			case 'm':					//	查看聊天记录
    			{
    				system("clear");
    				char n[20];
    				char mcf[60];
    				char ncf[2048];
    				char kl;
    				int fd2;
    				int i = 0;
    				printf("\n\n\n\n\n\n\t\t您想看和谁的聊天记录呢？");
    				scanf("%s",n);
    				sprintf(mcf, "%s与%s的聊天记录.txt", Name, n);
    				fd2 = open(mcf,O_RDONLY,S_IRUSR | S_IWUSR);
    				if(fd2 == -1)
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\n\n\t\t\t您与%s还没有聊天记录！快去聊天吧`(*∩_∩*)′\n",n);
    					sleep(2);
    					system("clear");
    					break;
    				}
    				
    				while(1)
    				{
    					memset(&kl, 0, sizeof(kl));
    					ssize_t read_bytes = read(fd2, &kl, sizeof(kl));
    					if(read_bytes == -1)
    					{
    						perror("read");
    						return -1;
    					}
    					if(read_bytes == 0)
    					{
    						break;
    					}
    					ncf[i] = kl; 
    					i++;
    				}
    				ncf[i] = '\0';
    				
    				printf("\n%s\n", ncf);
    				
    				printf("\n\n\n\t\t输入任意键返回：");
    				scanf("%s",fan);
    				break;
    			}
    			case 'n':					//退出
    			{
    				userInfo.cmd = Exit;
    				strcpy(userInfo.name, Name);
    				
    				ret = write(sfd, &userInfo, sizeof(userInfo));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				
    				return Exit;
    			}
    			default :
    			{
    				system("clear");
    				printf("\n\n\n\n");
    				printf("\n\n\t\t请输入a--n之间的选择！\n");
    				sleep(2);
    				break;
    			}
    		}
    	}
    }
    
    //接受表情信号分析
    int back_ep()
    {
    	char er[20];
    	switch (userBack.e_s)
    	{
    		case '1' :
    		{
    			strcpy(er, ":-D");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '2' :
    		{
    			strcpy(er, "＝　＝＃");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '3' :
    		{
    			strcpy(er, "*\(^_^)/*");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '4' :
    		{
    			strcpy(er, "╮(￣▽ ￣)╭");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '5' :
    		{
    			strcpy(er, "づ￣ 3￣)づ");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '6' :
    		{
    			strcpy(er, "(T_T)");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '7' :
    		{
    			strcpy(er, "b（￣▽￣）d");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '8' :
    		{
    			strcpy(er, "(︶︿︶)");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		case '9' :
    		{
    			strcpy(er, ">3<");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一个表情给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",er);
    			sleep(2);
    			break;
    		}
    		default :
    		{
    			system("clear");
    			printf("\n\n\n\n\t\t抱歉！输入错误！`(*∩_∩*)′/n");
    			sleep(2);
    			break;
    		}
    	}
    }
    
    //接受常用语信号分析
    int back_ph()
    {
    	char ph[2000];
    	switch (userBack.p_s)
    	{
    		case '1' :
    		{	
    			strcpy(ph, "はじめまして  	( 初次见面 )");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '2' :
    		{
    			strcpy(ph, "どうぞよろしく  ( 请多关照 )");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '3' :
    		{
    			strcpy(ph, "そうですか    ( 是吗？)");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '4' :
    		{
    			strcpy(ph, "はい    ( 是的 )");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '5' :
    		{
    			strcpy(ph, "よくいらっしゃいました  ( 欢迎，欢迎 )");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '6' :
    		{
    			strcpy(ph, "どういたしまして	( 不用客气 )");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '7' :
    		{
    			strcpy(ph, "おはよございます   ( 早上好 )");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '8' :
    		{
    			strcpy(ph, "こんにちは	( 你好！)");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		case '9' :
    		{
    			strcpy(ph, "こんばんは	( 晚上好！)");
    			system("clear");
    			printf("\n\n\n\n\t\t%s用户发送了一句话给您！", userBack.from_name);
    			printf("\n\n\n\t\t%s\n",ph);
    			sleep(2);
    			break;
    		}
    		default :
    		{
    			system("clear");
    			printf("\n\n\n\n\t\t抱歉！输入错误！`(*∩_∩*)′/n");
    			sleep(2);
    			break;
    		}
    	}
    }
    
    //接受文件
    int back_file()
    {
    	int ret;
    	system("clear");
    	printf("\n\n\n\n\t\t%s用户发送了一份文件给您，请确认接收！\n", userBack.from_name);
    	sleep(2);
    	int fd;
    	fd = open(userBack.file_name, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
    	if(fd < 0)
    	{
    		perror("open");
    		return -1;
    	}
    	
    	ret = write(fd, userBack.file, strlen(userBack.file));
    	if(ret == -1)
    	{
    		perror("write");
    		return -1;
    	}
    	
    	printf("\n\n\t\t恭喜您接收文件成功！`(*∩_∩*)′");
    	sleep(2);	
    	printf("\n\n\n\t\t输入任意键返回：");
    	scanf("%s",fan);
    }
    
    //线程  用于接受信息
    void *Read(int sfd)
    {
    	int i;
    	int ret;
    	
    	while(1)
    	{
    		ret = read(sfd, &userBack,sizeof(userBack));
    		if(ret == -1)
    		{
    			perror("read");
    			return;
    		}
    	
    		switch (userBack.msg_back)
    		{
    			case recv_msg :
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t%s 对您说了一句悄悄话：%s\n",userBack.from_name, userBack.cuff);
    				sleep(2);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				break;
    			}
    			case send_result:
    			{
    				if(userBack.result == Send_error)
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t对不起，对方暂时没有登录！\n");
    					sleep(2);
    					memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    					break;
    				}
    				else
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t发送成功！\n");
    					sleep(2);
    					memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    					break;
    				}
    			}
    			case kick:
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t很抱歉，您已被%s用户强制下线！开会员可以把他踢下去哦！`(*∩_∩*)′\n",userBack.from_name);
    				sleep(2);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				pthread_exit(NULL);
    				// break;
    			}
    			case kick_fail:
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t抱歉对方没有上线！`(*∩_∩*)′\n");
    				sleep(2);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				break;
    			}
    			case kick_success:
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t恭喜您，对方已成功被您踢下线！`(*∩_∩*)′\n");
    				sleep(5);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				break;
    			}
    			case like_success:
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t%s用户给你点了一个赞！`(*∩_∩*)′\n", userBack.from_name);
    				sleep(2);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				break;
    			}
    			case Shutup:
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t%s用户把您禁言了！开通会员可以解禁并反击他哦`(*∩_∩*)′\n", userBack.from_name);
    				sleep(2);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				break;
    			}
    			case online_member:
    			{
    				system("clear");
    				printf("\n\n\n\n\t\t当前在线人数：%d\n", userBack.online_num);
    				for(i = 0; i < userBack.online_num; i++)
    				{
    					printf("\n\n\t\t%s\n",userBack.num[i]);
    				}
    				sleep(2);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    			
    				break;
    			}
    			case group_chat:
    			{
    				system("clear");
    				printf("\n\n\n\n\t\t%s用户发送了一条信息：%s\n", userBack.from_name, userBack.cuff);
    				sleep(2);
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    			
    				break;
    			}
    			case e_select:
    			{
    				back_ep();
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				break;
    			}
    			case p_select:
    			{
    				back_ph();
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				break;
    			}
    			case file_transfer:
    			{
    				back_file();
    				memset(&userBack.msg_back, 0, sizeof(userBack.msg_back));
    				
    				break;
    			}
    		}
    	}
    }
    
    int main(int argc, char** argv)
    {
    	if(argc != 2)
    	{
    		printf("Usage:./client ip\n");
    		return -1;
    	}
    	
    	int sfd;
    	int ret;
    	char bcf[2];
    	pthread_t ReadId;
    	sfd = tcp_connect(argv[1]);
    	
    	while(1)
    	{
    		Welecome();
    		show();
    		scanf("%s",bcf);
    		
    		switch(bcf[0])
    		{
    			case '1' :
    			{
    				userInfo.cmd = reg;
    				userInfo.likes = 0;
    				userInfo.vip = 0;
    				if(show_reg() == -9)     //两次密码输入不一样
    				{
    					break;
    				}
    				else
    				{
    					ret = write(sfd, &userInfo, sizeof(struct send));
    					if(ret == -1)
    					{
    						perror("write");
    						return -1;
    					}
    					memset(&userInfo,0,sizeof(userInfo));
    					
    					memset(&userBack,0,sizeof(userBack));
    					ret = read(sfd, &userBack, sizeof(struct recv));
    					if(ret == -1)
    					{
    						perror("read");
    						return -1;
    					}	
    					if(userBack.result == reg_success)
    					{
    						printf("\n\n\t\t\t\t恭喜您注册成功！\n");
    						sleep(2);
    					}
    					else if(userBack.result == existing_acc)
    					{
    						printf("\n\n\t\t\t\t该账户已被注册！请重新注册！\n");
    						sleep(2);
    						continue;
    					}
    					break;
    				}
    			}
    			case '2':
    			{
    				userInfo.cmd = log;
    				show_log(&userInfo);
    				ret = write(sfd, &userInfo, sizeof(struct send));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    					
    				ret = read(sfd, &userBack,sizeof(userBack));
    				if(ret == -1)
    				{
    					perror("read");
    					return -1;
    				}
    				
    				if(userBack.result == log_success)
    				{
    					strcpy(Name, userBack.name);
    					printf("\n\n\t\t\t\t恭喜您登陆成功！\n");
    					sleep(2);
    					
    					ret = pthread_create(&ReadId, NULL, (void*)Read, (void*)sfd);
    					if(ret == -1)
    					{
    						perror("pthread_create");
    						return -1;
    					}
    					
    					ret = deal_log(sfd);
    					if(ret == Exit)
    					{
    						break;
    					}
    					
    				}
    				else if(userBack.result == error)
    				{
    					printf("\n\n\t\t\t\t账号密码错误！请重新登陆\n");
    					sleep(2);
    				}
    				else if(userBack.result == error1)
    				{
    					printf("\n\n\t\t\t\t此账号已被登录！\n");
    					sleep(2);
    				}
    				break;
    			}
    			case '3':
    			{
    				char ans[100];
    				userInfo.cmd = forget;
    				system("clear");
    				printf("\n\n\n\n\n\n\t\t请输入您的账号：");
    				scanf("%s", userInfo.account);
    				
    				ret = write(sfd, &userInfo, sizeof(userInfo));
    				if(ret == -1)
    				{
    					perror("write");
    					return -1;
    				}
    				
    				ret = read(sfd, &userBack, sizeof(userBack));
    				if(ret == -1)
    				{
    					perror("read");
    					return -1;
    				}
    				
    				printf("\n\t\t   问题：%s",userBack.question);
    				printf("\n\n\t\t请输入答案:");
    				scanf("%s",ans);
    				
    				if(strcmp(ans, userBack.answer) == 0)
    				{
    					printf("\n\n\t\t您的密码是：%s 请妥善保管您的密码`(*∩_∩*)′\n",userBack.passward);
    					
    					printf("\n\n\n\t\t输入任意键返回：");
    					scanf("%s",fan);
    					break;
    				}
    				else
    				{
    					system("clear");
    					printf("\n\n\n\n\n\n\t\t抱歉，您的答案不对！\n");
    					sleep(3);
    					break;
    				}
    				
    			}
    			case '4':
    			{
    				system("clear");
    				printf("\n\n\n\n\n\n\n\t\t\t希望您下次再来聊天！\n");
    				sleep(2);
    				system("clear");
    				return 0;
    			}
    			default :
    			{
    				system("clear");
    				printf("\n\n\n\n");
    				printf("\n\n\t\t请输入1--3之间的选择！\n");
    				sleep(2);
    				break;
    			}
    		}
    			
    	}
    	
    	return 0;
    }