#include#include#includestruct 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->numnext;}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);}}
