c/c++语言开发共享C语言实现通讯录管理系统

  #include<stdio.h>  #include<string.h>  #include<stdlib.h>  #include<windows.h>  typedef struct student  //定义结构体  {   char name[20]; //姓名   char num[15];  //学号   char sex[10];  //性别   char from[20]; //籍贯   char political[10]; //政治面貌   char phone[15];  //手机号   char qq[15];   //qq号   char dorm[10];  //宿舍   struct student *next; //结构体指针  }stu;  stu *head;    void print() //主菜单  {   system("cls");   printf("nnn");   printf("  ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆n");   printf("  ***********************************************************n");   printf("  ttt班级通讯录管理系统n");   printf("n");   printf("  tt1. 输入数据");   printf("tt2. 显示数据n");   printf("  tt3. 插入数据");   printf("tt4. 删除数据n");   printf("  tt5. 查看数据");   printf("tt6. 修改数据n");   printf("  tt7. 保存数据");   printf("tt8. 返回主菜单n");   printf("  ***********************************************************n");   printf("  ~~~~~退~~~~~~~~~~出~~~~~~~~~~请~~~~~~~~~~按~~~~~~~~~~9~~~~~n");   printf("  -----------------------------------------------------------nn");  }      void input(stu *p1) //输入相关数据  {   printf("姓名:");   scanf("%s",&p1->name);   printf("学号:");   scanf("%s",&p1->num);   printf("性别:");   scanf("%s",&p1->sex);   printf("籍贯:");   scanf("%s",&p1->from);   printf("政治面貌:");   scanf("%s",&p1->political);   printf("手机号:");   scanf("%s",&p1->phone);   printf("qq号:");   scanf("%s",&p1->qq);   printf("宿舍:");   scanf("%s",&p1->dorm);  }      stu * inputdata()  //数据输入的函数  {   stu *p1,*p2;   int i=1;   p1=(stu *)malloc(sizeof(stu));   if(p1!=null)   {    head=p1;    printf("nttt☆☆☆输入数据☆☆☆n");    printf("------------------------------------------------------------------n");    printf("在姓名处输入“ok”代表输入数据结束n");    while(i)    {     printf("姓名:");     scanf("%s",&p1->name);     if(strcmp(p1->name,"ok")==0)     {      printf("n输入完毕!n");      printf("========================================================================n");      i=0;      p2->next=null;      free(p1);      p1=p2;     }     else     {      printf("学号:");      scanf("%s",&p1->num);      printf("性别:");      scanf("%s",&p1->sex);      printf("籍贯:");       scanf("%s",&p1->from);      printf("政治面貌:");      scanf("%s",&p1->political);      printf("手机号:");      scanf("%s",&p1->phone);      printf("qq号:");      scanf("%s",&p1->qq);      printf("宿舍:");      scanf("%s",&p1->dorm);      printf("=====================================n");      p2=p1;      p1=(stu *)malloc(sizeof(stu));      if(p1!=null)      {       p2->next=p1;      }     }    }    return(p1->next);   }  }      stu * lookdata(stu *p1)  //查看数据的函数  {   printf("nttt☆☆☆显示数据☆☆☆n");   printf("----------------------------------------------------------------------n");   while(p1!=null)   {    printf("姓名:%sn",p1->name);    printf("学号:%st",p1->num);    printf("性别:%st",p1->sex);    printf("籍贯:%st",p1->from);    printf("政治面貌:%st",p1->political);    printf("手机号:%st",p1->phone);    printf("qq号:%st",p1->qq);    printf("宿舍:%sn",p1->dorm);    printf("======================================================================n");    p1=p1->next;   }   return p1;  }      void insert()  //插入数据  {   int i;   char named[20];   stu *p1,*p2,*p3;   p1=head;   p3=(stu *)malloc(sizeof(stu));   p3->next=null;   printf("nttt☆☆☆插入数据☆☆☆n");   printf("----------------------------------------------------------------------n");   printf("请输入插入者的资料:n");   input(p3);   printf("n插入选项n");   printf("1.首位置插入t2.尾位置插入t3.前插n");   printf("请输入你的选择:");   scanf("%d",&i);   switch(i)   {   case 1:p3->next=p1;    head=p3;    break;   case 2:while(p1->next!=null)     {      p2=p1;      p1=p1->next;     }    p1->next=p3;    break;   case 3:printf("请输入姓名（前插）:");    scanf("%s",named);    while(strcmp(named,p1->name)!=0)    {     p2=p1;     p1=p1->next;    }    p2->next=p3;    p3->next=p1;    break;   }   printf("插入成功!n");   printf("======================================================================n");   return;  }    void deleted()   //删除数据  {   stu *p1,*p2;   char name[20]; //想要删除的人的姓名   printf("nttt☆☆☆删除数据☆☆☆n");   printf("----------------------------------------------------------------------n");   printf("请输入要删除的姓名:");   scanf("%s",name);   p1=head;   if(head==null)   {   printf("内存空空神马都没有!n");   printf("======================================================================n");   return;   }   if(strcmp(name,p1->name)==0)   {   head=p1->next;   printf("删除成功!n");   printf("======================================================================n");   return;   }   while(p1!=null&&(strcmp(name,p1->name)!=0))   {   p2=p1;   p1=p1->next;   }   if(p1==null)   {   printf("此人不存在!n");   printf("======================================================================n");   return;   }   if(p1->next!=null)   {   p1=p1->next;   p2->next=p1;   printf("删除成功!n");   printf("======================================================================n");   return;   }   else   {   p2->next=null;   printf("删除成功!n");   printf("======================================================================n");   return;   }  }      find(stu *p2)  //通过姓名查找查看数据的函数  {   char name[20];   int b=0;   printf("nttt☆☆☆查看数据☆☆☆n");   printf("----------------------------------------------------------------------n");   printf("请输入您想查找人的姓名:");   scanf("%s",name);   while(p2!=null)   {    if(strcmp(name,p2->name)==0)    {     printf("你要找到的数据n");     printf("姓名:%sn",p2->name);     printf("学号:%st",p2->num);     printf("性别:%st",p2->sex);     printf("籍贯:%st",p2->from);     printf("政治面貌:%st",p2->political);     printf("手机号:%st",p2->phone);     printf("qq号:%st",p2->qq);     printf("宿舍:%sn",p2->dorm);     printf("======================================================================n");     b=1;    }    p2=p2->next;   }   if(b==0)   {    printf("n您要查找的人不存在!n");   }  }      update(stu *p2) //通过姓名查找修改数据  {   char name[20];   int b=0,i;   printf("nttt☆☆☆修改数据☆☆☆n");   printf("----------------------------------------------------------------------n");   printf("请输入将要修改人的姓名:");   scanf("%s",name);   while(p2!=null)   {    if(strcmp(name,p2->name)==0)    {     printf("该同学的基本信息n");     printf("姓名:%sn",p2->name);     printf("学号:%st",p2->num);      printf("性别:%st",p2->sex);     printf("籍贯:%st",p2->from);     printf("政治面貌:%st",p2->political);     printf("手机号:%st",p2->phone);     printf("qq号:%st",p2->qq);     printf("宿舍:%sn",p2->dorm);     printf("n请选择要修改的信息n");     printf("t1.姓名t2.学号t3.性别t4.籍贯nt5.政治面貌t6.手机号t7.qqt8.宿舍n");     printf("n您的选择是(1~8):");     scanf("%d",&i);     printf("请输入修改之后的内容n");     switch(i)     {     case 1:printf("姓名:");      scanf("%s",&p2->name);      break;     case 2:printf("学号:");      scanf("%s",&p2->num);      break;     case 3:printf("性别:");      scanf("%s",&p2->sex);      break;     case 4:printf("籍贯:");      scanf("%s",&p2->from);      break;     case 5:printf("政治面貌:");      scanf("%s",&p2->political);      break;     case 6:printf("手机号:");      scanf("%s",&p2->phone);      break;     case 7:printf("qq:");      scanf("%s",&p2->qq);      break;     case 8:printf("宿舍:");      scanf("%d",&p2->dorm);      break;     }     printf("n修改成功!n");     printf("=========================================================================n");     b=1;    }    p2=p2->next;   }   if(b==0)   {    printf("没有找到该人的资料!n");   }  }      save(stu *p2) //保存数据  {   file *fp;   char file[15];   printf("nttt☆☆☆保存数据☆☆☆n");   printf("----------------------------------------------------------------------n");   printf("输入文件名:");   scanf("%s",file);   if((fp=fopen(file,"w"))==null)   {    printf("cannot open this filen");    exit(0);   }   fprintf(fp,"姓名t学号t性别t籍贯t政治面貌t手机号tqq号t宿舍n");   while(p2!=null)   {    fprintf(fp,"%st",p2->name);    fprintf(fp,"%st",p2->num);    fprintf(fp,"%st",p2->sex);    fprintf(fp,"%st",p2->from);    fprintf(fp,"%st",p2->political);    fprintf(fp,"%st",p2->phone);    fprintf(fp,"%st",p2->qq);    fprintf(fp,"%sn",p2->dorm);    p2=p2->next;   }   printf("n保存成功!n");   printf("======================================================================n");   fclose(fp);  }      void screen()  {   int i;   char s[251]={"欢迎使用由zm制作班级通讯录管理系统，nnttt本系统用于通讯录管理----排序，打印nnnttwelcome to use produced by zm class address booknntt management system,sorting,printing"};     printf("n================================================================================n");   printf("nnnttt");   for(i=0;s[i]!=null;i++)   {    sleep(30);    printf("%c",s[i]);   }   printf("nnnnnnnntt ~ hi~ o(*￣▽￣*)ブ~ ~ ~祝您旅途愉快~ ~n");   printf("================================================================================n");    }      void main()  {   int i;   system("color 4e");   screen();   sleep(3000);   print();   while(1)   {    printf("请输入你的选择(1~9):");    loop:scanf("%d",&i);    if(i<1||i>9)    {     printf("输入有误,请在1~9中进行选择:");     goto loop;    }    switch(i)    {    case 1:     inputdata();     break;    case 2:     lookdata(head);     break;    case 3:     insert();     break;    case 4:      deleted();     break;    case 5:     find(head);     break;    case 6:     update(head);     break;    case 7:     save(head);     break;    case 8:     print();     break;    case 9:     exit(1);     break;    }   }  }