C语言通讯录(双向链表实现)管理系统

纯C语言VC6环境实现通讯录系统，亦可以改为XXX信息管理系统

可键盘操作

界面截图如下：

源码如下：

/***********************************************************************************************************/
/*                                                                                                         */
/*程序采用双向循环链表结构,来满足目录可以满足自由上下过渡,遍历的需求.头结点用来表示当前通讯录的人数等信息  */
/*程序有添加,查询,浏览的功能,基本满足通讯录的要求.                                                         */
/*程序最大特点是主菜单，用户列表以及每个结点的操作属性菜单均采用上W-A-S-D才选择,回车确认                   */
/*程序核心功能有search()动态搜索函数,creat()创建函数，list()浏览函数构成                                   */
/*                                                                              ----  By Giant             */
/*                                                                                                         */
/***********************************************************************************************************/
 
#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<windows.h>
#include<string.h>
//=======================================================================================
#define LENTH 20
char path[20]="d:\\通讯录.txt";
 
 
//-------------------------------------------------------------------------------
typedef struct person                           //结构体属性
{
    char  count[10];                //序号
    char name[LENTH];                   //姓名
    char number[LENTH];                       //电话号码
    struct person *prior;              //前驱指针
    struct person *next;           //后继指针
 
}node;
 
void control(int x,int p);
void list();
void faceopration(char a[][60],int w);
void opration(int x);
void controlmain(int x);
//----------------------------------------------------------------------------------
node *head=NULL;                              //全局变量-头节点
//===================================================================================
void check()                             //自检函数   标签至首
{
    node *p=head;
    do
    {
      
      p->count[1]=' ';
      p->count[2]=' ';
     // p->number[LENTH-2]=' ';
     // p->number[LENTH-3]=' ';
      if(p->next)
            p=p->next;
      
      
    }while(p->next && p->next!=head->next);
    if(head->next)
    {
     p=head->next;
     p->count[1]=16;
     p->count[2]=16;
    // p->number[LENTH-2]=17;
     //p->number[LENTH-3]=17;
    }
 
}
//-----------------------------------------------------------------------------------------------
void filesite()                                 //文件重写
{
    int i=0;
    node *p=head;
 
    FILE *fp=fopen(path,"at");
    if(fp)
    {
        while(p->next && p->next!=head)
        {
            p=p->next;
            if(0==i) fprintf(fp,"%-4s    %-12s     %-12s\n","序号","姓名","电话号码");
            fprintf(fp,"%-8s      %-12s     %-12s \n",p->count,p->name,p->number);
            i++;
 
        }
    }
    else 
        printf("file  memory error! please check\n");
 
}
//===============================导航界面的两个函数============================
void face(char a[][80])
{
    int j=0;
    char x;
    int i=8,BC=8;   //BC为control实参
    while(x=getch())
    {
        BC=8;
        if(x=='\r')
        {
            while(a[BC][5]!=16)
                BC=BC+2;
            controlmain(BC);
        }
        if(x=='w' || x=='a' )
        {
 
            if(a[8][5]==16 )
            continue;
            a[i][5]=' ';
            a[i][6]=' ';
            a[i][59]=' ';
            a[i][58]=' ';
            i=i-2;
            a[i][5]=16;
            a[i][6]=16;
            a[i][59]=17;
            a[i][58]=17;
            j=0;
            system("cls");
            while(j<20)
                printf("%s\n",a+j++);
        }
        else if(x=='s' || x=='d')
        {
 
            if(a[14][5]==16)
             continue;
            
             a[i][5]=' ';
             a[i][6]=' ';
             a[i][59]=' ';
             a[i][58]=' ';
             i=i+2;
             a[i][5]=16;
             a[i][6]=16;
             a[i][59]=17;
             a[i][58]=17;
             j=0;
             system("cls");
             
             while(j<20)
                 printf("%s\n",a+j++);
        }
        else continue;
    }
}
//---------------------------------------------------------------------------
void  picture()
{
 
    int i=0;
 
 
 
    char a[20][80]={"\0",  //0
    "\0",                   //1
    "\0",                   //2
    "\0",                    //3
    "           ^^^^^^^^^^^^^^^^^^^^^  欢迎使用    ^^^^^^^^^^^^^^^^^^^^^^",    //4
    "\0",                         //5
    "               请选择要进行的操作：        ",    //6
    "\0",                                    //7
    "                 浏览全部     <---------->      1           ",//8
    "\0",           //9
    "                 新建用户     <---------->      2           ",//10
    "\0",          //11
    "                 查找用户     <---------->      3           ",//12
    "\0",           //13
    "                 退出程序     <---------->      4           "};//14
 
    a[8][5]=16;
    a[8][6]=16;
    a[8][59]=17;
    a[8][58]=17;
    while(i<20)
        printf("%s\n",a+i++);
 
    face(a);
 
}
 
//=====================================================================
void facenode()                      //节点操作表
{
    node *p=head;
    char x='z';
    int AC=8;
    
 
    while(x=getch() )
    {
 
        if(x=='\r')
        {
            p=head->next;
            AC=1;
            while(p->count[1]!=16)
            {
                AC=AC+1;
                p=p->next;
            }
            if(p==head) { controlmain(99);}   //返回主菜单
            else  opration(AC);  //AC为要修改或删除的节点序号 int型
        }
        if(x=='w' || x=='a')
        {
 
            if(head->next->count[1]==16 )
            continue;
            p->count[1]=' ';
            p->count[2]=' ';
            //p->number[LENTH-2]=' ';
            //p->number[LENTH-3]=' ';
            p=p->prior;
            p->count[1]=16;
            p->count[2]=16;
            //p->number[LENTH-2]=17;
            //p->number[LENTH-3]=17;
 
            system("cls");
            
            list();
        }
        else if(x=='s' || x=='d')
        {
 
            if(head->count[1]==16 )
             continue;
 
              p->count[1]=' ';
              p->count[2]=' ';
              //p->number[LENTH-2]=' ';
              //p->number[LENTH-3]=' ';
              p=p->next;
 
              p->count[1]=16;
                 p->count[2]=16;
              //p->number[LENTH-2]=17;
              //p->number[LENTH-3]=17;
 
 
             system("cls");
             
             list();
        }
        else continue;
    }
}
 
 
 
//-------------------------------------------------------------------------
node *newone()                                  //创建头节点
{
    node *p;
    p=(node *)malloc(sizeof(node));
    memset(p->count,' ',LENTH);
    p->next=NULL;
    p->prior=NULL;
    return p;
}//newone
 
//--------------------------------------------------------------------------
void start()                                    //链表初始化
{
 
    head=newone();
    strcpy(head->name,"返回主菜单");
    
    memset(head->count,' ',5);
    memset(&head->count[5],'\0',5);
    memset(head->number,'\0',LENTH);
    head->prior=head;
}
//----------------------------------------------------------------------
void creat()                                  //添加新用户
{
    int i=0,j=0;char x,c;      
 
    char arry[10][40]={"\0",   //0
    "      要继续新建联系人?         ",            //1
    "\0", //2
    "         确认     Y           ",               //3
    "\0",    //4
    "         取消     N           ",                   //5
    "\0"};   //6
    
    node *p;
    node *q,*temp;
    FILE *fp=fopen(path,"at");
    temp=newone();
    p=head->prior;                    //P指向最后一个节点
    i=atoi(head->prior->count);            //求出最后一个节点的序号，即总数
 
 
    arry[3][3]=16;
    arry[3][4]=16;
    arry[3][22]=17;
    arry[3][23]=17;
 
    
    for(;;)
    {
        system("cls");
        printf("\n\n\n\n\n\n\n\n");
        j=0;
        while(j<10)
            printf("                      %s\n",arry+j++);
        
        while(x=getch())
        {
            system("cls");
            printf("\n\n\n\n\n\n\n\n");
            j=0;
            while(j<10)
                printf("                      %s\n",arry+j++);
        
            if(x=='\r')
            {
                if(arry[3][3]==16)
                {
                    system("cls");
                    memset(temp->name,'\0',LENTH);
                    memset(temp->number,'\0',LENTH);
                    printf("\n\n  请输入姓名和电话:\n");
                    scanf("%s%s",&temp->name,&temp->number);
                    printf("\n\n_________________确定将%s的信息存入通讯录？Y/N________________\n",temp->name);
                    c=getch();
                    if(c=='y' || c=='Y')
                    {
                        fp=fopen(path,"at");
                        q=newone();
 
                        //序号寸入
                        i++;
                        sprintf(&q->count[5],"%d",i);
                        //   sprintf(&head->count[5],"%d",i);
                        //导入姓名与电话
                        strcpy(q->name,temp->name);
                        strcpy(q->number,temp->number);
                        //接入链表
                        p->next=q;
                        q->prior=p;
 
                        q->next=head;
                        head->prior=q;
 
                        p=p->next;
 
 
                if(fp)
                {
                    if(1==i)
                        fprintf(fp,"%-4s    %-12s     %-12s\n","序号","姓名","电话号码");
 
                    fprintf(fp,"%-8s      %-12s     %-12s \n",q->count,q->name,q->number);
                    printf("\n\n\n___________________________          已成功导入%s\n",path);
                    fclose(fp);
                    Sleep(1000);
                }
 
                else printf("通讯录文件出错！请检查PATH\n");
 
                if(1==i)
                {
                    p->count[1]=16;p->count[2]=16;
                    p->number[LENTH-2]=17;p->number[LENTH-3]=17;
                }
                
                }
            
 
            }
            if(arry[5][3]==16)
            {
                system("cls");
                picture();
                 break;
            }
 
            }   //    =='\r'
 
 
            if(x=='w' || x=='a')
            {
                if(arry[3][3]==16)
                    continue;
                arry[3][3]=16;
                arry[3][4]=16;
                arry[3][22]=17;
                arry[3][23]=17;
 
                arry[5][3]=' ';
                arry[5][4]=' ';
                arry[5][22]=' ';
                arry[5][23]=' ';
                system("cls");
 
                printf("\n\n\n\n\n\n\n\n");
                j=0;
                while(j<10)
                    printf("                      %s\n",arry+j++);
 
                
 
            }
            else if(x=='s' || x=='d')
            {
                if(arry[5][3]==16)
                    continue;
                arry[3][3]=' ';
                arry[3][4]=' ';
                arry[3][22]=' ';
                arry[3][23]=' ';
 
                arry[5][3]=16;
                arry[5][4]=16;
                arry[5][22]=17;
                arry[5][23]=17;
                system("cls");
                printf("\n\n\n\n\n\n\n\n");
                j=0;
                while(j<10)
                    printf("                      %s\n",arry+j++);
            }
            else 
                continue;
 
            
        } //while
 
        
 
    }//for
 
 
 
}// creat
//---------------------------------------------------------------------------
void del(int n)                        //删除用户,n为要删除的节点序号int
{
    node *q=head,*p=head;
    int j=0; 
    
    while(p!=head->prior)
    {
 
        q=p;
        p=p->next;
        
        if(atoi(&p->count[5])==n)
        {
            
            
 
            //sprintf(head->count+5,"%d",i);
            //当删除的为最后一个节点时yy
 
            if(p->next==head)
            {
                system("title 111");
                q->next=head;
                head->prior=q;
                free(p);
                printf("删除完成!");
                filesite();               //文件重写
                Sleep(500);
                system("cls");
                break;
            }
            
            //常规删除
            q->next=p->next;
            p->next->prior=p->prior;
            //序号进一
            
            do
            {
               
               q=q->next;
               j=atoi(q->count);
               j--;
               
               sprintf(&q->count[5],"%d",j);
 
            }while(q->next!=head);
            filesite();               //文件重写
            printf("删除完成！\n");
            Sleep(400);
            system("cls");
            break;
 
        } //if
 
    } // while
 
 
} //  del
//-----------------------------------------------------------------------------
void search()                       //动态搜索
{
 
         
    char test[LENTH]={"\0"};         //定义测试关键码及长度
    int i=0; 
    char temp;   //
    char arr[LENTH]={"\0"};
    char arrname[LENTH]={"\0"};
    char num[10]={"序号"},name[10]={"姓名"},tel[10]={"电话"};
    node *p=head;
    system("cls");
    printf("\n\n==================================查找===============================\n\n");
    
    while(i<LENTH)
    {
        
        p=head;
        system("cls");
        printf("\n\n\n           %s           %-12s               %-12s\n",num,name,tel);
        while(p->next && p->next!=head)
        {
            p=p->next;
            memset(arr,'\0',LENTH);
            memset(arrname,'\0',LENTH);
            strncpy(arr,p->number,i);
            strncpy(arrname,p->name,i);
            if(0==strcmp(arr,test)  ||  0==strcmp(arrname,test))
            {
                    printf("_______________________________________________________________\n");
                    printf("        %s         %12s\n",&p->count[3],p->name);
                    printf("                                                 %12s  \n",p->number);
            }
 
                
        }
    
        printf("\n\n=========================查找=============================\n\n");
        puts(test);
        putchar(10);
        
        temp=getch();
        if(!i && temp=='\b') break;
        if(i && temp=='\b')
        {
        
            test[i-1]='\0';
            i=i-2;
 
        }
        else if(!i && temp=='\b')
            continue;
 
        else
        {
            test[i]=temp;
        }
    
 
    i++;
 
    }//while输入
    printf("查找结束\n");
    Sleep(500);
    system("cls");
 
}//search
//------------------------------------------------------------------------------
void list()                         //显示全部列表
{
    
    char num[10]={"序号"},name[10]={"姓名"},tel[10]={"电话"};
    node *p;
    char x;
    putchar(10);putchar(10);
    p=head;
    
    if(!p->next)
    {
        printf("\n\n\n_______________ 通讯录目前为空！   是否开始新建? Y/N _________________\n\n");
        x=getch();
        if(x=='Y' || x=='y')
        {
            system("cls");
            creat();
        }
        else
        {
            system("cls");
            picture();
        }
    
 
    }
    else
    {
        printf("          %s              %-12s                %-12s\n\n",num,name,tel);
        do
        {
            p=p->next;
            printf("_______________________________________________________________\n");
            printf("        %s         %12s\n",p->count,p->name);
            printf("                                                 %12s  \n",p->number);
 
        }while(p->next && p->next!=head->next);
        printf("_______________________________________________________________\n");
        printf("\n     共计%s   个人信息！\n\n",&head->prior->count[3]);
    }
 
}// list
//-------------------------------总控制台------------------------------------------
 
void control(int x,int p)   //X为操作类型,P为操作码（int）
{
    char temp[LENTH]={'\0'};
    char c;
    //char pchar[LENTH]={'\0'};
    
    node *q=head;
    //sprintf(pchar,"%s",p);
    /*
    if(p!=atoi(pchar))
    {
        printf("need debug!!!  please check!\n ");
        Sleep(100000);
    }
    */
    q=head;                     
                
    while(atoi(&q->count[5])!=p)                   //目标节点定位
    {
        q=q->next;
    }
    switch(x)
    {
        
        case 21:                                           //修改用户姓名
            {
                printf("请输入新的用户名：\n");
                scanf("%s",temp);
            
                printf("\n确定修改名为%s的用户信息? Y/N\n",q->name);
                c=getch();
                if(c=='Y' || c=='y')
                {
                    
                    memset(q->name,'\0',LENTH); 
                    strcpy(q->name,temp);
                    filesite();               //文件重写
                    printf("修改成功！\n");
                    Sleep(500);
                    check();
                    system("cls");
                    
                    list();
                    facenode();
                    
 
                }
                else
                {
                    printf("放弃存入！\n");
                    Sleep(500);
                    check();
                    system("cls");
                    check();
                    list();
                    facenode();
                }
 
                break;
            }
        case 23:                                                  //修改用户电话号码
            {
                printf("请输入新的电话号码：\n");
                scanf("%s",temp);
                printf("\n确定修改名为%s的用户信息? Y/N\n",q->name);
                c=getch();
                if(c=='Y' || c=='y')
                {
                    
                    memset(q->number,'\0',LENTH);
                    strcpy(q->number,temp);
                    filesite();               //文件重写
                    printf("修改成功！\n");
                    Sleep(500);
                    check();
                    system("cls");
                
                    list();
                    facenode();
                    
 
                }
                else
                {
                    printf("放弃存入！\n");
                    Sleep(500);
                    check();
                    system("cls");
                    
                    list();
                    facenode();
                }
                break;
            }
        case 25:del(p);check();list();facenode();break;
        //----------------------------以上为单个用户的修改删除----------------------------------------------
        //返回当前列表
        case 27:
            {
                check();
                system("cls");
                list();
                facenode();
                break;
            }
        default: printf("error!\n");break;
    }
}
//-----------------------------------------------------------------------
void controlmain(int x)        //主菜单对应的功能
{
    switch(x)
    {
        case 8:  check();list();system("cls");check();list();facenode();break;
        case 10: creat();system("cls");picture();break;
        case 12: search();picture();break;
        case 14: exit(0);break;
        case 99: system("cls");picture();break;
        default: printf("\n12345678\n");break;
 
    }//-------------------------以上为主导航界面需要--20以内-------------------------------------
}
//-----------------------------------------------------------------------
void opration(int p)    //单个用户对应的操作         由facenode()调用
{
    int i=0;
    char arr[8][60]={"\0",        //0
        "    修改该用户姓名    ",  //1
        "\0",     //2
        "    修改该用户电话    ", //3
        "\0",  //4
        "    删除该用户资料    ",  //5
        "\0",  //6
        "         返回         ", //7
    };
printf("\n\n______________________________________________________\n");
    arr[1][1]=16;
    arr[1][2]=16;
    arr[1][19]=17;
    arr[1][20]=17;
    system("cls");
    printf("\n\n\n\n\n\n\n\n                    您想做什么?\n\n");
    while(i<8)
        printf("                    %s\n",arr[i++]);
    faceopration(arr,p);   //p为要修改或删除节点序号,int类型，由facenode()中调用opration()函数传入
 
}
void faceopration(char a[][60],int p)                //节点操作表
{
    int j=0;
    char x='z';
    int i=1,CC=1;
 
    while(x=getch())
    {
 
        if(x=='\r')
        {
            CC=1;
            while(a[CC][1]!=16)
            {
                
                CC=CC+2;
            }
            control(CC+20,p);      //CC为操作码，P为要修改删除的节点序号int型由AC计数传入
        }
        if(x=='w' || x=='a' )
        {
 
            if(a[1][1]==16 )
            continue;
            a[i][1]=' ';
            a[i][2]=' ';
            a[i][19]=' ';
            a[i][20]=' ';
            i=i-2;
            a[i][1]=16;
            a[i][2]=16;
            a[i][19]=17;
            a[i][20]=17;
            j=0;
            system("cls");
        
            printf("\n\n\n\n\n\n\n\n                    您想做什么?\n\n");
            while(j<8)
            {
 
                printf("                    %s\n",a+j++);
            }
        }
        else if(x=='s' || x=='d')
        {
 
            if(a[7][1]==16)
             continue;
             a[i][1]=' ';
             a[i][2]=' ';
             a[i][19]=' ';
             a[i][20]=' ';
             i=i+2;
             a[i][1]=16;
             a[i][2]=16;
             a[i][19]=17;
             a[i][20]=17;
 
             j=0;
             system("cls");
        
             printf("\n\n\n\n\n\n\n\n                    您想做什么?\n\n");
             while(j<8)
             {
 
                 printf("                    %s\n",a+j++);
             }
        }
        else continue;
    }
}
 
 
//////////////////////////////////////////////////////////////////////////////////////////////
main()
{
   system("title 通讯录       --by Giant");
   start();
   picture();
 
 
}
    ///////////   //                                       //    //
       //        //                                       //   //
      //        ////////     ////////      /////////     //  //        //////
     //        //     //    //     //     //      //    /////        //     
    //        //     //    //     //     //      //    //  //          ////
   //        //     //    //     //     //      //    //     //            //
  //        //     //     ///////////  //      //    //        //   //////
/////////////////////////////////////////////////////////////////////////////////////////////

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