考务管理.cpp

用VC++制作的通讯录系统

/* Note:Your choice is C IDE */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include<conio.h>
#define LEN sizeof(struct addbook)
#define MAX 100
void  InitDialBook(void);               /*创建通讯录*/
void  UserInterface(void);                /*主菜单*/
void  Load(void);                           /*读文件*/
void  Add(void);                             /*添加成员信息*/
int  Find(void);                              /*查找成员信息*/
void  Modify(void);                         /*修改成员信息*/
void  Delete(void);                       /*删除成员信息*/
void  ShowAll(void);                    /*显示成员信息*/
void  Save(void);                     /*保存成员信息*/
struct addbook{
  
  int   record;
  char  name[15];
  char  phone[15];
  char  addr[20]; 
  char  units[10];
  char  age[3];
  char  remark[15];
          
struct addbook  *link;
 
};
FILE  *fp;
struct addbook  *p,*p1,*head,*s,*t;
void main()
{struct addbook *k,*w,*f,*j,*m;
  int  i,flag;
  int  choice;
  if((fp = fopen("zzxx.txt","rb"))==NULL)
  {  system("cls");
 printf("\n\n\t\t\tcannot find the file!\n");
        if((fp = fopen("zzxx.txt","wb"))==NULL)
        {
          printf("open file error!\n");
          getch();
          exit(0);
        }
    
    
 printf("\n\t\taddress list have not any message.please add\n");
        InitDialBook();
 printf("\n\t\t\tadd success!\n");
  }
    
    Load();
     
   /* printf("\nthis is the %d menber of the file.\n",p->record); */
    flag = 1;
    while(flag)
    {
      UserInterface();
 printf("   please enter your choice:(0-5):");
        scanf("%d",&choice);
 getchar();    /*getchar()用来吃回车符 !*/
 if(choice>=0&&choice<6)
 {
   switch(choice)
    {
      case 1:
         Add();break;
      case 2:
         Find();break;
      case 3: 
         ShowAll();break;
      case 4:
         Delete();break;
      case 5:
        Modify();break;
      case 0:
      flag = 0;
	  system("cls");
       
      break;
            }
        }
        else{
            printf("error!please enter again!\n");
        }
    }
    fp = fopen("zzxx.txt","wb");
    Save();
    fclose(fp);   system("cls");
    printf("\n\n\n\t\t\tany key to exit!\n");
    getch();
   
}
void    InitDialBook(void)/*初始化文件函数*/
{ if(!(p=(struct addbook *)malloc(LEN))){printf("malloc error!\n");getchar();}
    p->record = 1;
    printf("\n\t\t\tname:");
    gets(p->name);
    printf("\n\t\t\ttelephone:");
    gets(p->phone);
    printf("\n\t\t\taddress:");
    gets(p->addr);
    printf("\n\t\t\tunits:");
    gets(p->units);
    printf("\n\t\t\tage:");
    gets(p->age);
    printf("\n\t\t\tremark:");
    gets(p->remark);
    p->link = NULL;
    fwrite(p,LEN,1,fp);
    fclose(fp);
}
void  UserInterface(void)/*主菜单*/
{   system("cls");
    printf("\n\n   ************please select************\n");
    printf("   +-----------------------------------+\n");
    printf("   | 1  add   information              |\n");
    printf("   | 2  find                           |\n");
    printf("   | 3  show all the information       |\n");
    printf("   | 4  delete information             |\n");
    printf("   | 5  mend information               |\n");
    printf("   | 0  exit and save                  |\n");
    printf("   +-----------------------------------+\n");
    printf("\n\n   notice!!enter number must under the inglish statement !!\n\n");
}  
 void Load(void)/*载入文件*/
    { if(!(head=(struct addbook *)malloc(LEN))) {printf("malloc error!\n");getchar();}
   if((fp = fopen("zzxx.txt","rb"))==NULL){printf("load falure !\n");getchar(); exit(1);}
    	fread(head,LEN,1,fp);
    p = head;
    while(p->link!=NULL){
        if(!(p1 = (struct addbook *)malloc(LEN))){printf("malloc error!\n");getchar();}
        p->link=p1;
        fread(p1,LEN,1,fp);
        p = p1; 
    } 
    fclose(fp);
    
}
void    Add(void)/*输入函数*/
{
   if(!(p1 = (struct addbook *)malloc(LEN))){printf("malloc error!\n");getchar();}
    p1->record = p->record + 1;system("cls");
    printf("\n\n\t -------------------------------------------\n");
    printf("\t\tplease enter information\n");
    printf("\t\ -------------------------------------------\n");
    printf("\n\tthis is %d menber",p->record+1);getchar(); /*getchar()用来吃回车符，不加的话直接让输telephone!*/
    printf("\n\tname:");
    gets(p1->name);
    printf("\n\ttelephone:");
    gets(p1->phone);
    printf("\n\taddress:");
    gets(p1->addr);
    printf("\n\tunits:");
    gets(p1->units);
    printf("\n\tage:");
    gets(p1->age);
    printf("\n\tremark:");
    gets(p1->remark);
    p1->link = NULL;
    p->link = p1;
    p = p1;
    printf("\ndo you want to continue to add?(y/n):");
    if(getchar()=='y')Add();
}
 void ShowAll(void)/*显示所有函数*/
{struct addbook *k,*w,*f,*j,*m;int i,q,t=0;
  printf("head=%o\n",head);getchar();
 system("cls");printf("\n\nwhat sequence to show the information?\n\naccording to record(0) or address(1)?\n\n");
  printf("\n ******************** \n");        /*显示方式:按顺序显示(0)或按城市（地址）(1)显示*/
    printf("\n 0.     record\n");
    printf("\n 1.     address\n");
    printf("\n ******************** \n");
 printf("\nenter your choice (0-1):");
 scanf("%d",&q); getchar();
 switch(q)
 {
 case 0:system("cls");printf("t=%d\n",t);getchar();
      for(i=0,f=head;f!=NULL;j=w,f=w->link)/*用选择发给每个成员按xuhao从小到大排序！*/
       {for(k=f;k->link!=NULL;k=k->link)
            if(f->record<=k->link->record){f=k->link;j=k;t++;}
            if(f==head)i++;
                   else {m=f;j->link=m->link;m->link=head;head=m; i++; }
       if(i==1)w=f; 
       } 
    s=head;/*起初我把这一句放在排序前头，总是出错，原因就是我排序后，head值已经变了，在按以前的输出肯定不行*/
       printf("\n\n**************************************************************************\n");
       printf("xuhao name         telephone      address      units     age     remark");
       printf("\n**************************************************************************\n");
        
       do{
        printf("%-5d %-13s%-13s  %-13s%-10s%-3s  %11s\n",s->record,s->name,s->phone,
       s->addr,s->units,s->age,s->remark); 
        s = s->link;
        }while(s!=NULL);
        printf("\n\n\n\t\t\tany key to exit!");
        getch();
        break;
    case 1: system("cls"); printf("t=%d\n",t);getchar(); 
            for(i=0,f=head;f!=NULL;j=w,f=w->link)/*用选择发给每个成员按城市首字母的先后顺 序排序！*/
            {for(k=f;k->link!=NULL;k=k->link)
            if(strcmp(f->addr,k->link->addr)<=0){f=k->link;j=k;t++;}
            if(f==head)i++;
                    else {m=f;j->link=m->link;m->link=head;head=m; i++; }
            if(i==1)w=f;   
          }   s=head;          
              printf("\n\n**************************************************************************\n");
              printf("xuhao name         telephone      address      units     age     remark");
              printf("\n**************************************************************************\n");
               do{ 
                   printf("%-5d %-13s%-13s  %-13s%-10s%-3s  %11s\n",s->record,s->name,s->phone,
                    s->addr,s->units,s->age,s->remark);s=s->link;
                 }while(s!=NULL);
                 printf("\n\n\n\t\t\tany key to exit!");
            getchar();
     
            break;
}
}
 

int  Find(void)/*查找函数*/
{
    char c;int d;
    struct addbook who; system("cls");
    printf("\n\n   with which manners to find ?name(0),address(1).\n");
    
    printf("\n   ******************** \n");  /*查找方式：按姓名（0）查找或按城市即地址（1）查找*/
    printf("\n   0.     name\n");
    printf("\n   1.     address\n");
    printf("\n   ******************** \n");
    printf("\n   enter your choice!(0-1):");
    s = head;  scanf("%d",&d);
    getchar();/*getchar()真重要！还是用来吃回车符！没他真不行！*/
    switch(d)
    { 
    case 0: 
    system("cls");
     printf("\n\t\tname:");
     gets(who.name);
     while((s->link!=NULL)&&(strcmp(s->name,who.name)))
    {
        s = s->link;
    }if((s->link==NULL)&&(strcmp(s->name,who.name)))
    {
        printf("\n%s not exist!\n",who.name);
        printf("please check the name before finding.\n");
        getch();
        return 0;/* 如果找不到就返回0 */
    }  break;
     
     case 1:
     system("cls");
     printf("\n\t\taddress:");
     gets(who.addr);
     while((s->link!=NULL)&&(strcmp(s->addr,who.addr)))
    {
        s = s->link;
    }if((s->link==NULL)&&(strcmp(s->addr,who.addr)))
    {
        printf("\n%s not exist!\n",who.addr);
        printf("please check the name before finding.\n");
        getch();
        return 0;/* 如果找不到就返回0 */
    }break;
    }
    
    system("cls");
    printf("\ninformation:\n");
    printf("\n\n**************************************************************************\n");
    printf("xuhao name         telephone      address      units     age     remark");
  printf("\n**************************************************************************\n");
   printf("%-5d %-13s%-13s  %-13s%-10s%-3s  %11s\n",s->record,s->name,s->phone,
  s->addr,s->units,s->age,s->remark);
   printf("\n\nany key to continue!\n\n");
  getchar();return 1;/*如果找到了就返回1*/
     }
 
 void  Modify(void)  /*修改信息*/
   { char ch,c; system("cls");
   printf("\n   who do you want to mend?please find it firstly!\n\n");
   if(Find())
   { bf: printf("\n\n which item do you want to mend?\n name(n),telephone(t),address(a),units(u),age(A),remark(r).");
   printf("\n\n enter your choice(n/t/a/u/A/r):");      /*选择所需修改的项目：名字（n），电话（t），
                                                           地址（a），单位（u），年龄（A），备注（r）*/
    ch=getchar();getchar();
    switch(ch)
    { case 'n':printf("\nname :");gets(s->name);break;
      case 't':printf("\ntelephone :");gets(s->phone);break;
    
    case 'a': printf("\naddress :");gets(s->addr); break;
   
    case 'u':printf("\nunits :");gets(s->units);break;
    case 'A': printf("\nage :"); gets(s->age);break;
   case 'r':  printf("\nremark :");gets(s->remark);break;
  
   default: printf("\n\t\tcheck your choice! enter again!\n");break;
     
    }
    printf("\ndo you want to continue to mend?(y/n)");
    printf("\nenter your choice (y/n):");
    c=getchar();getchar();if(c=='y'){ system("cls");goto bf;}
   } 
   }
void  Delete(void)/*删除函数*/
{
    int    find_prev;
    int    find_record;
    char    del;
    char    del_member_name[15];
    struct addbook  *p_del_prev;
    printf("\n   please find the menber you want to delete firstly!\n\n");/*先找到要删的对象，然后再删！*/
    if(Find())/*如果Find()的值为假就回到主菜单！*/
    {
    strcpy(del_member_name,s->name);
    printf("make sure to delete %s ?(Y/N)?:",del_member_name);
    scanf("%c",&del);
    if(del=='n'||del=='N') return;
    find_prev = s->record - 1;
    find_record = 1;
    p_del_prev = head;
    while((p_del_prev->link!=NULL)&&(find_record<find_prev))
    {
        p_del_prev = p_del_prev->link;
        find_record++;
    }
    /* 如果删除第一位成员 */
    if(s->record==1)
    {
        if(s->link!=NULL)
        {
            head = head->link;
            s = head;
            while(s!=NULL)
            {
                s->record = s->record - 1;
                s = s->link;
            }
            printf("%d,%s",p->record,p->name);
        }
        else if(s->link==NULL){  /* 如果第一位成员是最后一位 */
            p  = NULL;
            head = p;
            if(remove("zzxx.txt")==0){
                printf("have emptyed!\n");
                printf("create again!\n");
                printf("open process to create again .\n");
            }
     printf("\n\n\t\tanykey to exit.\n");
            getch();
            exit(0);
        }
    }
    /* 如果删除最后一位成员 */
    else if(s->record==p->record){
        p_del_prev->link = NULL;
        s->link = NULL;
        p  = p_del_prev;
    }
    else{
        p_del_prev->link = s->link;
        s->link = NULL;
        while(p_del_prev->link!=NULL)
        {
            p_del_prev = p_del_prev->link;
            p_del_prev->record = p_del_prev->record -1;
        }
        printf("%d\n%d\n",p->record,p->link);
    }
    printf("menber \"%s\" have been deleted.\n ",del_member_name);
    getch();printf("Do you want to contine to delete record ?(y/n)");
   if(getchar()=='y'||getchar()=='Y')Delete();}
}
void    Save(void)/*保存文件*/
{
    s = head;
    do{
        fwrite(s,LEN,1,fp);
        s = s->link;
    }while(s!=NULL);
}