（C语言代码分享）：车辆信息管理系统源代码来了。

迈不过友情╰ 2023-10-02 18:28 9阅读 0赞

#include<stdio.h>
    #include<stdlib.h>
    #include<string.h>
    struct vehicle
    {
    	int num;
    	char tpy[20];
    	char ppai[30];
    	char chepai[20];
    	char gongsi[30];
    	struct vehicle *next;
    };
    int n;
    struct vehicle *w;
    int main()
    {
    	struct vehicle *start(); //初始化信息 
    	void print(struct vehicle *h); //输出函数 
    	void log(); //登录界面
    	void user();//用户登录
    	void control();//管理员登录
    	struct vehicle *refers(struct vehicle *h);//按编码查询 
    	struct vehicle *VEH(struct vehicle *h);//按车型查询 
    	void adds();//插入全操作 
    	void dels();//删除全操作 
    	struct vehicle *change(struct vehicle *h);//更改操作 
    	
    	struct vehicle *head; //定义结构体类型变量 
    	
    	int inp1,inp2,inp3;
    	
    	head=start(); //暂存初始信息 
    	
    A:	log();
    	scanf("%d",&inp1);
    	if(inp1==1)
    	{
    		user();
    		scanf("%d",&inp2);	
    		switch(inp2)
    		{
    			case 1:print(head);goto A;break;
    			case 2:refers(w);goto A;break;
    			case 3:VEH(w);goto A;break;
    			default:break;
    		}
    	} 
    	if(inp1==2)
    	{
    		control();
    		scanf("%d",&inp3);
    		switch(inp3)
    		{
    			case 1:adds();goto A;break;
    			case 2:dels();goto A;break;
    			case 3:change(w);goto A;break;
    			default:break;
    		}
    	
    	}
    	if(inp1==3)
    	{
    		printf("\n\n你已退出！欢迎使用！");
    	}
    	
    
    	
    	return 0;
    }
    struct vehicle *start() //初始化信息函数 
    {
    	struct vehicle *a1,*a2,*b1,*b2,*c1,*c2;
    	
    	a1=(struct vehicle *)malloc(sizeof(struct vehicle));
    	a1->num = 10201;strcpy(a1->tpy,"轿车");strcpy(a1->ppai,"宝马sss");
    	strcpy(a1->chepai,"川B28393");strcpy(a1->gongsi,"宝马有限公司"); 
    	
    	a2=(struct vehicle *)malloc(sizeof(struct vehicle));
    	a2->num = 10203;strcpy(a2->tpy,"轿车");strcpy(a2->ppai,"奔驰s");
    	strcpy(a2->chepai,"川B23849");strcpy(a2->gongsi,"奔驰有限公司");
    	
    	b1=(struct vehicle *)malloc(sizeof(struct vehicle));
    	b1->num = 10204;strcpy(b1->tpy,"客车");strcpy(b1->ppai,"金杯tpy");
    	strcpy(b1->chepai,"川B24799");strcpy(b1->gongsi,"金杯有限公司");
    	
    	b2=(struct vehicle *)malloc(sizeof(struct vehicle));
    	b2->num = 10206;strcpy(b2->tpy,"客车");strcpy(b2->ppai,"宇通tpy");
    	strcpy(b2->chepai,"川B93889");strcpy(b2->gongsi,"宇通有限公司");
    	
    	c1=(struct vehicle *)malloc(sizeof(struct vehicle));
    	c1->num = 10208;strcpy(c1->tpy,"货车");strcpy(c1->ppai,"东风t");
    	strcpy(c1->chepai,"川B62834");strcpy(c1->gongsi,"东风有限公司");
    	
    	c2=(struct vehicle *)malloc(sizeof(struct vehicle));
    	c2->num = 10211;strcpy(c2->tpy,"货车");strcpy(c2->ppai,"解放t");
    	strcpy(c2->chepai,"川B24793");strcpy(c2->gongsi,"解放有限公司");
    	
    	w=a1;
    	a1->next = a2;
    	a2->next = b1;
    	b1->next = b2;
    	b2->next = c1;
    	c1->next = c2;
    	c2->next = NULL;
    	
    	return w;
    }
    
    void log() //登录界面 
    {
    	printf("\n\n\t******车辆信息管理系统*****");
    	printf("\n\t\t1、用户登录");
    	printf("\n\t\t2、管理员登录");
    	printf("\n\t\t3、退出登录"); 
    	printf("\n\n请输入你的操作：");
    }
    
    void user() //用户登录 
    {
    	printf("\n\n\t*********用户登录**********");
    	printf("\n\t\t1、显示信息库");
    	printf("\n\t\t2、按编号查询");
    	printf("\n\t\t3、按类别查询");
    	printf("\n\n请输入你的操作："); 
    } 
    
    void control() //管理员登录 
    {
    	printf("\n\n\t********管理员登录**********");
    	printf("\n\t\t1、添加车辆信息");
    	printf("\n\t\t2、删除车辆信息");
    	printf("\n\t\t3、更改车辆信息");
    	printf("\n\n请输入你的操作：");
    }
    
    struct vehicle *refers(struct vehicle *h)//按编码查询 
    {
    	struct vehicle *p1,*p2,*p0;
    	p2=p1=h;
    	int num;
    	int ch;
    	p0=NULL;
    	while(1)
    	{
    		printf("\n是否需要查询(Y/N): ");
    		do{
    			ch=getchar();	
    		} while(ch!='Y' && ch!='N');
    		if(ch=='Y')
    		{
    			printf("\n请输入要查询的编号：");
    			scanf("%d",&num); 
    			while(p1->num!=num && p1->next!=NULL) 
    			{
    				p2=p1;
    				p1=p1->next;
    			}
    			if(p1->num == num)
    			{
    				p0=p1;
    				printf("\n车辆信息为：");
    				printf("\n编码\t车型\t品牌\t\t车牌\t\t公司");
    				printf("\n%d\t%s\t%s\t\t%s\t%s",p0->num,p0->tpy,p0->ppai,p0->chepai,p0->gongsi);
    			}
    			else{
    				printf("\n未找到相关数据！");
    			}
    		}
    		else{
    			printf("\n查询完毕!你已退出！");
    			break;
    		}
    	}
    	return h;
    }
    
    struct vehicle *VEH(struct vehicle *h)//按车型查询 
    {
    	struct vehicle *p1,*p2;
    	p2=p1=h;
    	int retu,ch;
    	
    	while(1)
    	{
    		printf("\n是否需要查询(Y/N): ");
    		do{
    			ch=getchar();	
    		} while(ch!='Y' && ch!='N');
    		if(ch=='Y')
    		{
    			char a[30];
    			printf("\n请输入车型：");
    			scanf("%s",&a);
    			printf("\n车辆信息为：");
    			printf("\n编码\t车型\t品牌\t\t车牌\t\t公司");
    			p1=p2;
    			while(1)
    			{ 	
    				retu=strcmp(a,p1->tpy);
    				if(retu==0)
    				{
    					printf("\n%d\t%s\t%s\t\t%s\t%s",p1->num,p1->tpy,p1->ppai,p1->chepai,p1->gongsi);
    				}
    				if(p1->next==NULL)
    				{
    					break;
    				} 
    				p1=p1->next;
    			}
    		}
    		else{
    			printf("\n查询完毕！");
    			break;
    		} 
    	}
    	return h;
    } 
    
    void adds()//插入全操作 
    {
    	struct vehicle *add(struct vehicle *h,int num,char tpy[20],char ppai[30],char chepai[20],char gongsi[30]);
    	void print(struct vehicle *h);
    	
    	int num;
    	char tpy[20];
    	char ppai[30];
    	char chepai[20];
    	char gongsi[30];
    	int ch;
    	
    	while(1)
    	{
    		printf("\n是否需要添加(Y/N)：");
    		do{
    			ch=getchar();
    		}while(ch!='Y' && ch!='N');
    		if(ch=='Y')
    		{
    			printf("\n请输入编码、车型、品牌、车牌、公司：");
    			scanf("\n%d%s%s%s%s",&num,&tpy,&ppai,&chepai,&gongsi);
    			w=add(w,num,tpy,ppai,chepai,gongsi);
    		}else{
    			printf("\n添加结束！");
    			break;
    		}
    	}
    	printf("你已退出！");
    	print(w);
    }
    
    struct vehicle *add(struct vehicle *h,int num,char tpy[20],char ppai[30],char chepai[20],char gongsi[30])//插入关键
    {
    	struct vehicle *p1,*p2,*p0;
    	p1=h;
    	p2=NULL;
    	
    	while(p1!=NULL && p1->num<num) 
    	{
    		p2=p1;
    		p1=p1->next;
    	}
    	
    	p0=(struct vehicle *)malloc(sizeof(struct vehicle));
    	p0->num = num;
    	strcpy(p0->tpy,tpy);
    	strcpy(p0->ppai,ppai);
    	strcpy(p0->chepai,chepai);
    	strcpy(p0->gongsi,gongsi);
    	p0->next=p1;
    	
    	if(p2==NULL)
    	{
    		h=p0;	
    	}else{
    		p2->next=p0;
    	}
    	
    	return h;	
    } 
    
    void dels()//删除全操作
    {
    	struct vehicle *del(struct vehicle *h,int num);
    	void print(struct vehicle *h);
    	int num;
    	int ch;
    	while(1)
    	{
    		printf("\n是否需要删除(Y/N): ");
    		do{
    			ch=getchar();	
    		} while(ch!='Y' && ch!='N');
    		if(ch=='Y')
    		{
    			printf("\n请输入要删除的编号：");
    			scanf("%d",&num);
    			w=del(w,num);
    		}
    		else{
    			printf("\n删除完毕！");
    			break;
    		} 
    	}
    	printf("你已退出！");
    	print(w);
    } 
    
    struct vehicle *del(struct vehicle *h,int num)//删除操作 
    {
    	struct vehicle *p1,*p2;
    	p1=p2=h;
    	
    	while(p1->next!=NULL && p1->num!=num)
    	{
    		p2=p1;
    		p1=p1->next;
    	}
    	
    	if(p1->num == num)
    	{
    		if(p1==h)
    		{
    			h=p1->next;
    		}
    		else{
    			p2->next=p1->next;
    		}
    	}
    	else{
    		printf("\n未找到相关数据！");
    	}
    	
    	return h;
    }
    
    struct vehicle *change(struct vehicle *h)//更改操作 
    {
    	struct vehicle *cas1(struct vehicle *h1);
    	struct vehicle *cas2(struct vehicle *h1);
    	struct vehicle *cas3(struct vehicle *h1);
    	struct vehicle *cas4(struct vehicle *h1);
    	struct vehicle *cas5(struct vehicle *h1);
    	void print1(struct vehicle *h1);
    	struct vehicle *p1,*p2,*p0;
    	p2=p1=h;
    	int num;
    	int ch,input;
    	p0=NULL;
    	while(1)
    	{
    		printf("\n是否需要更改(Y/N): ");
    		do{
    			ch=getchar();	
    		} while(ch!='Y' && ch!='N');
    		if(ch=='Y')
    		{
    			printf("\n请输入要更改的编号：");
    			scanf("%d",&num); 
    			while(p1->num!=num && p1->next!=NULL) 
    			{
    				p2=p1;
    				p1=p1->next;
    			}
    			if(p1->num == num)
    			{
    				p0=p1;
    				printf("\n编码\t车型\t品牌\t\t车牌\t\t公司");
    				printf("\n%d\t%s\t%s\t\t%s\t%s",p0->num,p0->tpy,p0->ppai,p0->chepai,p0->gongsi);
    				printf("\n*************执行操作******************"); 
    				printf("\n1、编码 2、车型 3、品牌 4、车牌 5、公司");
    				printf("\n请输入你的操作：");
    				scanf("%d",&input); 
    				switch(input)
    				{
    					case 1:p0=cas1(p0);print1(p0); break;
    					case 2:p0=cas2(p0);print1(p0); break;
    					case 3:p0=cas3(p0);print1(p0); break;
    					case 4:p0=cas4(p0);print1(p0); break;
    					case 5:p0=cas5(p0);print1(p0); break;
    					default:printf("输入错误！");break; 
    				}
    			}
    			else{
    				printf("\n未找到相关数据！");
    			}
    		}
    		else{
    			printf("\n更改完毕!你已退出！");
    			break;
    		}
    	}
    	return h;
    } 
    
    struct vehicle *cas1(struct vehicle *h1)//编码更改 
    {
    	struct vehicle *p;
    	p=h1;
    	printf("请输入新的编号：");
    	scanf("%d",&p->num );
    	return p;
    }
    struct vehicle *cas2(struct vehicle *h1)//车型更改 
    {
    	struct vehicle *p;
    	p=h1;
    	char a[30];
    	printf("请输入新的车型：");
    	scanf("%s",&a);
    	strcpy(p->tpy,a);
    	return p;
    }
    struct vehicle *cas3(struct vehicle *h1)//品牌更改 
    {
    	struct vehicle *p;
    	p=h1;
    	char a[30];
    	printf("请输入新的品牌：");
    	scanf("%s",&a);
    	strcpy(p->ppai,a);
    	return p;
    }
    struct vehicle *cas4(struct vehicle *h1)//车牌更改 
    {
    	struct vehicle *p;
    	p=h1;
    	char a[30];
    	printf("请输入新的车牌：");
    	scanf("%s",&a);
    	strcpy(p->chepai,a);
    	return p;
    }
    struct vehicle *cas5(struct vehicle *h1)//公司更改 
    {
    	struct vehicle *p;
    	p=h1;
    	char a[30];
    	printf("请输入新的公司：");
    	scanf("%s",&a);
    	strcpy(p->gongsi,a);
    	return p;
    }
    void print1(struct vehicle *h1) //单个输出 
    {
    	struct vehicle *p;
    	p=h1;
    	printf("\n已更改！信息为：");
    	printf("\n编码\t车型\t品牌\t\t车牌\t\t公司");
    	printf("\n%d\t%s\t%s\t\t%s\t%s",p->num,p->tpy,p->ppai,p->chepai,p->gongsi);	
    }
      
    void print(struct vehicle *h) //输出函数 
    {
    	struct vehicle *p;
    	p=h;
    	if(h!=NULL)
    	{
    		printf("\n车辆信息为：");
    		printf("\n编码\t车型\t品牌\t\t车牌\t\t公司");
    		do{
    			printf("\n%d\t%s\t%s\t\t%s\t%s",p->num,p->tpy,p->ppai,p->chepai,p->gongsi);
    			p=p->next;
    		}while(p!=NULL);
    	}
    }