tongxunlu.rar_断言

/*5．通讯录管理系统（B类） 功能要求： （1）联系人的增，删，改，查询 （2）使用文件存储信息*/ #include<stdio.h> #include<string.h> #include<stdlib.h> struct AddressBook { char name[20]; //姓名 int age; //年龄 char sex[5]; //性别 char addr[30]; //地址 int cellphone; //移动电话 int QQ; //QQ或MSN struct AddressBook *next; }; void main(); FILE *fp; struct AddressBook * head=NULL; void PrintMenu(); struct AddressBook * Create(); void Save(); void Book(); void ReturnBook(); void watch(); void change(); void search(); void search_name(); void search_cellphone(); void main() { system("color 9f"); system("title **通讯录**"); printf(" $---------------------------------$\n"); printf(" | |\n"); printf(" | **欢迎进入通讯录管理系统** |\n"); printf(" | |\n"); printf(" $---------------------------------$\n\n"); PrintMenu(); } void PrintMenu() { char i[10]; i[0]='1'; do { printf("\n\n"); //打印提示信息 printf(" ★★★★★服务信息★★★★★ \n\n"); printf(" ※1 增加记录(姓名为0结束输入) ※\n"); printf(" ※2 删除记录 ※\n"); printf(" ※3 显示记录 ※\n"); printf(" ※4 查询记录 ※\n"); printf(" ※5 修改记录 ※\n"); printf(" ※0 结束服务 退出系统 ※\n"); printf("请选择按键(0-5):"); scanf("%s",i); printf("\n\n"); switch(i[0]) { case '1': Book();break; //增加记录 case '2': ReturnBook();break; //删除记录 case '3': watch();break; //显示记录 case '4': search();break; //查询记录 case '5': change();break; //修改记录 case '0':exit(0); default: printf("按键错误!请重新按键!\n"); } }while(i[0]!='0'); } struct AddressBook * Create() { int a; struct AddressBook * ps; struct AddressBook * pEnd; ps=(struct AddressBook *)malloc(sizeof(struct AddressBook)); //给ps开辟空间 head=ps; //把ps 的地址赋给head,链表的首地址 printf("姓名:"); scanf("%s",ps->name); if(ps->name[0]=='0') { PrintMenu(); } printf("年龄:"); scanf("%d",&ps->age); printf("性别:"); scanf("%s",ps->sex); printf("地址:"); scanf("%s",ps->addr); printf("移动电话:"); scanf("%d",&ps->cellphone); printf("QQ或MSN:"); scanf("%d",&ps->QQ); printf("\n\n"); pEnd=ps; ps=(struct AddressBook *)malloc(sizeof(struct AddressBook)); while(a) { printf("姓名:"); scanf("%s",ps->name); a=ps->name[0]; if(a=='0')break; pEnd->next=ps; pEnd=ps; printf("年龄:"); scanf("%d",&ps->age); printf("性别:"); scanf("%s",ps->sex); printf("地址:"); scanf("%s",ps->addr); printf("移动电话:"); scanf("%d",&ps->cellphone); printf("QQ或MSN:"); scanf("%d",&ps->QQ); ps=(struct AddressBook *)malloc(sizeof(struct AddressBook)); printf("\n\n"); } pEnd->next=NULL; return head; } void Save(struct AddressBook * head1) //保存信息输出到磁盘文件上 { if((fp=fopen("AddressBook.txt","ab"))==NULL) //ab 追加 向二进制文件尾增加数据 { return; } for(;head1;head1=head1->next) fwrite(head1,sizeof(struct AddressBook),1,fp); fclose(fp); } void Book()//功能1:增加记录 { struct AddressBook * head1=Create(); Save(head1); } void ReturnBook()//功能2:删除记录 { char name[20]; int tip=0; struct AddressBook *tail, *temp=(struct AddressBook *)malloc(sizeof(struct AddressBook)); head=NULL; if((fp=fopen("AddressBook.txt","rb"))==NULL) //rb 只读 //为输入打开一个二进制文件 { printf("出错,请检查文件是否存在,按任意键返回主菜单");//出错提示 getchar(); PrintMenu(); } while((fread(temp,sizeof(struct AddressBook),1,fp))==1) { if(head==NULL) { head=tail=temp;head->next=NULL; } else { temp->next=NULL; tail->next=temp; tail=temp; } temp=(struct AddressBook *)malloc(sizeof(struct AddressBook)); } fclose(fp); if(!head) { printf("\n数据为空!\n"); return; } temp=tail=head; printf("请输入想删除的姓名:"); scanf("%s",name); temp=tail=head; for(;tail;tail=tail->next) { if(strcmp(head->name,name)==0) { head=tail->next; printf("你已经成功删除\n"); tip=1; } else if(strcmp(tail->name,name)==0) { temp->next=tail->next; printf("你已经成功删除\n"); tip=1; } } if (tip==0) { printf("删除失败! 没有你所查找的信息!\n"); } if((fp=fopen("AddressBook.txt","wb"))==NULL) //只写 为输出打开一个二进制文件 return; for(;head;head=head->next) fwrite(head,sizeof(struct AddressBook),1,fp); fclose(fp); } void watch()//功能3:显示记录 { //int flag=1; struct AddressBook *tail, *temp=(struct AddressBook *)malloc(sizeof(struct AddressBook)); head=tail=NULL; if((fp=fopen("AddressBook.txt","rb"))==NULL) { printf("出错,请检查文件是否存在,按任意键返回主菜单\n");//出错提示 main(); } while((fread(temp,sizeof(struct AddressBook),1,fp))==1) { if(head==NULL) { head=tail=temp; head->next=NULL; } else { temp->next=NULL; tail->next=temp; tail=temp; } printf("\n"); printf("姓名:%s\n",tail->name); printf("年龄:%d\n",tail->age); printf("性别:%s\n",tail->sex); printf("地址:%s\n",tail->addr); printf("移动电话:%d\n",tail->cellphone); printf("QQ/MSN:%d\n",tail->QQ); temp=(struct AddressBook *)malloc(sizeof(struct AddressBook)); } if(!head) { printf("\n数据为空!\n"); return; } free(tail); free(temp); fclose(fp); } void search() //功能4:查询记录 { int i; printf("请选择按键 \n"); printf("\n按姓名查询请按(1),按移动电话查询请按(2),返回请按(0)\n"); scanf("%d",&i); switch(i) { case 1: search_name();break; case 2: search_cellphone();break; case 0: PrintMenu();break; default: printf("按键错误!请重新按键!\n"); } PrintMenu(); } void search_name()//查找姓名 { char name[20]; int k=0; struct AddressBook *tail, *temp=(struct AddressBook *)malloc(sizeof(struct AddressBook)); head=NULL; if((fp=fopen("AddressBook.txt","rb"))==NULL) { printf("出错,请检查文件是否存在,按任意键返回主菜单");//出错提示 getchar(); PrintMenu(); } while((fread(temp,sizeof(struct AddressBook),1,fp))==1) { if(head==NULL) { head=tail=temp; head->next=NULL; } else { temp->next=NULL; tail->next=temp; tail=temp; } temp=(struct AddressBook *)malloc(sizeof(struct AddressBook)); } printf("请输入所要查找的姓名:\n"); scanf("%s",name); if(head==NULL) { printf("数据为空!"); PrintMenu(); } for(;head;head=head->next) if(strcmp(head->name,name)==0) { printf("\n找到相匹配的信息\n"); printf("姓名:%s\n",head->name); printf("年龄:%d\n",head->age); printf("性别:%s\n",head->sex); printf("地址:%s\n",head->addr); printf("移动电话:%d\n",head->cellphone); printf("QQ/MSN:%d\n",head->QQ); k=1; } while (!k) { printf("没有你所查找的信息!\n");break; } free(tail); free(temp); fclose(fp); loop : printf("\n是否继续? 是请按'1',否请按(0).\n"); scanf("%d",&k); switch(k) { case 1: search_name();break; case 0: PrintMenu();break; default: printf("按键错误!请重新按键!\n"); goto loop;break; } }