customer.c

主要是其于linux c编程

#include<sys/types.h>
#include<sys/ipc.h>
#include<sys/msg.h>
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define MSGKEY 75

struct Msguser//used for msg
{
	long mtype;
	int csid;
	int op;
	int num;
	int numbers;
   char username[50];
   char userpwd[50];
}user;
 
struct Msgticket//used for msg
{
	long mtype;
	int num;
	char address[50];
	int numbers;
}ticket;

int pid,msgqid,msgqid1;
typedef struct Msguser MSGUSER;
typedef struct Msgticket MSGTICKET;

main()
{
	char d;
	int key_in;
	char temppwd[50];
	pid=getpid();
	msgqid = msgget(MSGKEY,0777);//set the dulei建立消息队列
	msgqid1 = msgget(76,0777);//set the dulei建立消息队列
	user.mtype=1;//make the mtype定义消息类开型
	ticket.mtype=1;
l:
	         printf("--------*********   1  login      ***********-----------\n");
			   printf("--------*********   2  add user   ***********-----------\n");   
			   printf("--------*********   3 list the ticket!  ***********-----------\n");//列出票
			   printf("--------*********   4 buy the ticket    ***********-----------\n");//买票
				printf("--------*********   5 add the ticket    ***********-----------\n");//增加票
				printf("--------*********   6 set the ticket    ***********-----------\n");//改变票数
				printf("--------*********   0  exit       ***********-----------\n");
			   scanf("%d",&key_in);
			   if(key_in==1){
				    printf("请输入用户名\n");
				    scanf("%s",&user.username);
				    //system("cls");
				    printf("请输入密码\n");
				    scanf("%s",&user.userpwd);
				    user.csid=pid;
				    user.op=1;
				    msgsnd(msgqid,&user,sizeof(MSGUSER),0);
				    msgrcv(msgqid,&user,sizeof(MSGUSER),pid,0);
				    if (user.op==1)
				    	{
				    		printf("Login Successful!\n");
				    		goto l;
				    	}
				    else
				    		{
				    		printf("Login Failed!\n");
				    		}
				    		goto l;
				    }
				else if(key_in==2)
				{
					printf("INPUT USERNAME请输入用户名n");
 					scanf("%s",&user.username);
  					printf("INPUT USERPWD请输入密码\n");
					scanf("%s",&user.userpwd);
					printf("INPUT USERPWD AGAIN请再次输入密码\n");
  					scanf("%s",&temppwd);
					while(1){
						if(strcmp(temppwd,user.userpwd)!=0){
							printf("--------two pwd is not the same两次密码不一致  -----------\n");
							printf("input pwd输入密码\n");
							scanf("%s",&user.userpwd);
							printf("input pwd again再次输入密码\n");
							scanf("%s",&temppwd);
						}
						else{
							user.csid=pid;
							user.op=2;
							msgsnd(msgqid,&user,sizeof(MSGUSER),0);
							msgrcv(msgqid,&user,sizeof(MSGUSER),pid,0);
							if(user.op==0)
							{
								printf("----open user.dat failed!----------\n");
							}
							else if(user.op==1)
							{
								printf("--------add failed,sername has exist!   -----------\n");
							}
							else if(user.op==2)
							{
								printf("---------add Successful!------------\n");
							}
							goto l;
						}
					}
				}
				else if(key_in==3)
				{
					user.csid=pid;
			   	user.op=3;
			   	msgsnd(msgqid,&user,sizeof(MSGUSER),0);
			   	printf("code    arrive_address      numbers\n ");
			   	msgrcv(msgqid,&user,sizeof(MSGUSER),pid,0);
			   	while(user.num)
			   		{
			   		printf("%8d%20s%8d\n",user.num,user.username,user.numbers);
			   		msgrcv(msgqid,&user,sizeof(MSGUSER),pid,0);
			   		}
			   	printf("intpu 1 to return");	
			   	scanf("%d",&key_in);
			   		goto l;
				}
				else if(key_in==4)
				{
					while(1)
			   		{
				   	printf("INPUT CODE AND NUMBERS YOU WANT TO BUY AS:2 10\n");
				   	scanf("%d,%d",&user.num,&user.numbers);
				   	user.csid=pid;
				   	user.op=4;
				   	msgsnd(msgqid,&user,sizeof(MSGUSER),0);
				   	msgrcv(msgqid,&user,sizeof(MSGUSER),pid,0);
				   	if(user.op==0)
				   		{
				   		printf("the numbers is lager than left,please rebuy\n");
				   		}	
						else if(user.op==1)
						{
							printf("Successful buy the ticket\n");
							printf("do you want to cotinue to buy?..1(Yes)..2..(No)\n");
							scanf("%d",&key_in);
							if(key_in==1)
							{
								continue;
							}
						}
						goto l;			   				   		
				   	}
				}
				else if(key_in==5)
				{
					printf("INPUT ADDRESSNAME\n");
			   	scanf("%s",&user.username);
			   	printf("INPUT numbers\n");
			   	scanf("%d",&user.numbers);
			   	user.op=5;
			   	user.csid=pid;
			   	msgsnd(msgqid,&user,sizeof(MSGUSER),0);
			   	msgrcv(msgqid,&user,sizeof(MSGUSER),pid,0);
			   	if(user.op==0)
					{
						printf("----open ticket.dat failed!----------\n");
					}
					else if(user.op==1)
					{
						printf("--------add failed,icketname has exist!   -----------\n");
					}
					else if(user.op==2)
					{
						printf("---------addticket Successful!------------\n");
					}
				}
				else if(key_in==6)
				{
					printf("INPUT TICKET CODE and TICKET NUMBERS as: 2 5\n");
			   		scanf("%d%d",&user.num,&user.numbers);
			   		user.csid=pid;
			   		user.op=6;
			   		msgsnd(msgqid,&user,sizeof(MSGUSER),0);
			   		msgrcv(msgqid,&user,sizeof(MSGUSER),pid,0);
			   		if(user.op==0)
			   			{
			   			printf("----open ticket.dat failed!----------\n");
			   			}
			   		else if(user.op==1)
			   			{
			   			printf("----set Successful!\n");
			   			}
			   			goto l;
				}
				else if(key_in==0)
				{
					exit(0);
				}
				else
				{
					goto l;
				}
	exit(0);
}