通讯录

来源：互联网发布：其皆出于此乎的其编辑：程序博客网时间：2024/05/21 19:40
实现了通讯录的录入信息、保存信息、插入、删除、排序、查找、单个显示等功能。。
完整的代码如下：
#include <stdio.h>#include <malloc.h>  //得到指向大小为Size的内存区域的首字节的指针//#include <string.h>#include <stdlib.h>  //标准库函数// #define NULL 0#define LEN sizeof(struct address_list)  //计算字节//int n;struct address_list{    char name[30];     //名字    char work[30];     //职业    char handset[30];  //手机    char email[30];    //电子邮件    char address[30];  //通讯地址    struct address_list *next;};struct address_list *shifang(struct address_list *head); // 释放内存函数声明//创建函数，不带头结点的链表struct address_list *creat(void)       {    struct address_list *head,*p1,*p2;    char name[20];    n=0;    p1=(struct address_list *)malloc(LEN);    p2=p1;   //强制内存转换    printf("请输入通讯录的内容!\n姓名输入为0时表示创建完毕!\n");    printf("请输入姓名:");    gets(name);    if(strcmp(name,"0")!=0)    {        strcpy(p1->name,name);        printf("请输入职业:");     gets(p1->work);        printf("请输入手机:");     gets(p1->handset);        printf("请输入电子邮件:"); gets(p1->email);        printf("请输入通讯地址:");  gets(p1->address);        head=NULL;        while(1)        {            n=n+1;   //记录通讯录人数个数            if(n==1)                head=p1;            else                p2->next=p1;            p2=p1;            printf("请输入姓名:");            gets(name);            if(strcmp(name,"0")==0)            {                break;            }            else            {                p1=(struct address_list *)malloc(LEN);                strcpy(p1->name,name);                printf("请输入职业:"); gets(p1->work);                printf("请输入手机:"); gets(p1->handset);                printf("请输入电子邮件:"); gets(p1->email);                printf("请输入通讯地址:");  gets(p1->address);            }        }        p2->next=NULL;        return head;    }    else        return 0;}//输出函数void print(struct address_list *head)   {    struct address_list *p;    if(head!=NULL)    {        p=head;        printf("本通讯录现在共有%d人:\n",n);        printf("---姓名-------职业--------手机-------Email-------通讯地址\n");        printf("==================================\n");        do        {            printf("== %s",p->name); printf("       ");            printf("%s",p->work); printf("       ");            printf("%s",p->handset); printf("       ");            printf("%s",p->email); printf("       ");            printf("%s",p->address); printf("       \n");            p=p->next;        }while(p!=NULL);        printf("==================================\n");    }    else        printf("通讯录为空,无法输出!\n");}//增加函数struct address_list *insert(struct address_list *head) {    struct address_list *p0,*p1,*p2;    char name[20];    p1=head;    printf("请输入增加的内容:\n");    printf("请输入姓名:"); gets(name);    if(strcmp(name,"0")==0)    {        printf("姓名不能为0,增加失败!\n");        return(head);    }    else    {        p0=(struct address_list *)malloc(LEN);        strcpy(p0->name,name);        printf("请输入职业:"); gets(p0->work);        printf("请输入手机:"); gets(p0->handset);        printf("请输入电子邮件:"); gets(p0->email);        printf("请输入通讯地址:");  gets(p0->address);        n=n+1;        if(head==NULL)        {            head=p0;            p0->next=NULL;            return head;        }        else        {            while(strcmp(p0->name,p1->name)>0&&(p1->next!=NULL))            {                p2=p1;                p1=p1->next;            }            if(strcmp(p0->name,p1->name)<0 || strcmp(p0->name,p1->name)==0)            {                if(head==p1)                {                    head=p0;                }                else                {                    p2->next=p0;                }                p0->next=p1;            }            else            {                p1->next=p0;                p0->next=NULL;            }            return head;        }    }}struct address_list* delete_txl(struct address_list *head){    struct address_list *p,*q;    char name[30];    if(head==NULL)    {        printf("通讯录为空,无法显示!\n");        return head;    }    p=head;    printf("请输入需要删除的人的姓名:");    gets(name);    if(strcmp(head->name,name)==0)    {        head=head->next;        free(p);        printf("删除操作成功！\n");        return head;    }    else    {        q=head,p=head->next;        while(p!=NULL)        {            if(strcmp(p->name,name)==0)            {                q->next=p->next;                free(p);                printf("删除操作成功！\n");                return head;            }            p=p->next;            q=q->next;        }    }}//显示函数struct address_list *display(struct address_list *head){    struct address_list *p1,*p2;    char name[30];    int m;    if(head==NULL)    {        printf("通讯录为空,无法显示!\n");        return head;    }    p1=head;    m=0;    printf("请输入需要显示人的姓名:");    gets(name);    while(p1!=NULL)    {        while((strcmp(p1->name,name))!=0 && p1->next!=NULL)        {            p2=p1;            p1=p1->next;        }        if(strcmp(p1->name,name)==0)        {            m++;            printf("%s的通讯内容如下:\n",name);            printf("---姓名--------职业--------手机-------Email------通讯地址\n");            printf("==================================\n");            printf("== %s",p1->name);printf("       ");            printf("%s",p1->work);printf("       ");            printf("%s",p1->handset);printf("       ");            printf("%s",p1->email);printf("       ");            printf("%s",p1->address); printf("       \n");            printf("==================================\n");        }        p1=p1->next;    }    if(m==0)    {        printf("此人未在本通讯录中!\n");    }    return(head);}//排序函数struct address_list *paixu(struct address_list *head){    struct address_list *p1,*p2;    int i,j;    struct address_list1    {        char name[30];        char work[30];        char handset[30];        char email[30];        char address[30];    };    struct address_list1 px[200];    struct address_list1 temp;    if(head==NULL)    {        printf("通讯录为空,无法排序!\n");        return(head);    }    p1=head;    for(i=0;i<n,p1!=NULL;i++)    {        strcpy(px[i].name,p1->name);        strcpy(px[i].work,p1->work);        strcpy(px[i].handset,p1->handset);        strcpy(px[i].email,p1->email);        strcpy(px[i].address,p1->address);        p2=p1;        p1=p1->next;    }    head=shifang(head);    for(j=0;j<n-1;j++)    {        for(i=j+1;i<n;i++)        {            if(strcmp(px[i].name,px[j].name)<0)            {                temp=px[i];                px[i]=px[j];                px[j]=temp;            }        }    }    p1=(struct address_list *)malloc(LEN);    p2=p1;    strcpy(p1->name,px[0].name);    strcpy(p1->work,px[0].work);    strcpy(p1->handset,px[0].handset);    strcpy(p1->email,px[0].email);    strcpy(p1->address,px[0].address);    head=p1;    for(i=1;i<n;i++)    {        p1=(struct address_list *)malloc(LEN);        strcpy(p1->name,px[i].name);        strcpy(p1->work,px[i].work);        strcpy(p1->handset,px[i].handset);        strcpy(p1->email,px[i].email);        strcpy(p1->address,px[i].address);        p2->next=p1;        p2=p1;    }    p2->next=NULL;    printf("按姓名排序后为:\n");    print(head);    return(head);}//姓名查找函数struct address_list *search(struct address_list *head){    struct address_list *p1,*p2;    int m;    char name[30];    if(head==NULL)    {        printf("通讯录为空,无法分类查找!\n");        return(head);    }    p1=head;    printf("********************\n");    printf("**  请输入需要查找的姓名  **\n");    printf("********************\n");    m=0;    gets(name);    while(p1!=NULL)    {        while(strcmp(p1->name,name)!=0&&p1->next!=NULL)        {            p2=p1;            p1=p1->next;        }        if(strcmp(p1->name,name)==0)        {            m++;            printf("你查找的内容是:\n");            printf("+++++++++++++++++++++++++++++++++++\n");            printf("++ %s        %s       %s       %s        %s\n",p1->name,p1->work,p1->handset,p1->email,p1->address);            printf("+++++++++++++++++++++++++++++++++++\n");        }        p1=p1->next;        if(m==0)        {            printf("此人未在本通讯录中!\n");        }        break;    }    return(head);}//释放内存函数struct address_list *shifang(struct address_list *head){    struct address_list *p1;    while(head!=NULL)    {        p1=head;        head=head->next;        free(p1);    }    return(head);}//文件写入函数void save(struct address_list *head){    FILE *fp;    struct address_list *p1;    char tong[30];    if(head==NULL)    {        printf("通讯录为空,无法存储!\n");        return;    }    printf("请输入保存后的文件名:");    gets(tong);    fp=fopen("(tong).txt","w");    if(fp==NULL)    {        printf("cannot open file\n");        return;    }    p1=head;    fprintf(fp,"姓名    职业      手机     Email     通讯地址\n");    for(;p1!=NULL;)     {        fprintf(fp,"%s       %s       %s        %s       %s\n",p1->name,p1->work,p1->handset,p1->email,p1->address);        p1=p1->next;    }    printf("保存完毕!\n");    fclose(fp);}//文件读出函数struct address_list *load(struct address_list *head){    FILE *fp;    char tong[30];    struct address_list *p1,*p2;    printf("请输入要输出的文件名:");    gets(tong);    fp=fopen("(tong).txt","r");    if(fp==NULL)    {        printf("此通讯录名不存在,无法输出!\n");        return(head);    }    else    {        head=shifang(head);    }    p1=(struct address_list *)malloc(LEN);    fscanf(fp,"%s%s%s%s%s",&p1->name,&p1->work,&p1->handset,&p1->email,&p1->address);    if(feof(fp)!=0)    {        printf("文件为空,无法打开!\n");        return(head);    }    else    {        rewind(fp);        p2=p1;        head=p1;        n=0;        while(feof(fp)==0)        {            fscanf(fp,"%s%s%s%s%s",&p1->name,&p1->work,&p1->handset,&p1->email,&p1->address);            if(feof(fp)!=0)                break;            p2->next=p1;            p2=p1;            p1=(struct address_list *)malloc(LEN);            n=n+1;        }        p2->next=NULL;        p1=head;        head=head->next;        n=n-1;        free(p1);        print(head);        printf("打开完毕!\n");        return(head);    }    fclose(fp);}//综合操作函数struct address_list *menu(struct address_list *head){    char num[10];    while(1)    {        printf("*********************\n");        printf("*** 1 姓名查找      ****\n");        printf("*** 2 单个显示      ****\n");        printf("*** 3 增加          ****\n");        printf("*** 4 退出          ****\n");        printf("*********************\n");        printf("请输入您选择的操作:");        gets(num);        switch(*num)        {        case '1':            {                head=search(head);                          //姓名查找                print(head);            }            break;        case '2':            {                head=display(head);                          //显示            }            break;        case '3':            {                head=insert(head);                           //增加                print(head);            }            break;        case '4':            return head;        default:            printf("操作错误，此项不存在!\n");            break;        }        if(strcmp(num,"6")==0)            break;    }    return head;}//主函数void main(){    struct address_list *head=NULL;    char num[10];    printf("*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*\n");    printf("*=*               程序说明                *=*\n");    printf("*=*    请及时保存创建完毕的通讯录内容!    *=*\n");    printf("*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*\n");    while(1)    {        printf("************************\n");        printf("***     1 创建通讯录      ****\n");        printf("***     2 按名字排序      ****\n");        printf("***     3 综合操作        ****\n");        printf("***     4 保存            ****\n");        printf("***     5 打开            ****\n");         printf("***     6 删除            ****\n");        printf("***     7 退出            ****\n");        printf("************************\n");        printf("请输入您选择的操作:");        gets(num);        switch(*num)        {        case '1':            {                if(head==NULL)                {                    head=creat();                                //创建                    print(head);                }                else                {                    head=shifang(head);                    head=creat();                                //重新创建                    print(head);                }            }            break;        case '2':            {                head=paixu(head);                               //排序            }            break;        case '3':            {                head=menu(head);                              //综合操作            }            break;        case '4':            {                save(head);                                   //文件保存                print(head);            }            break;        case '5':            {                head=load(head);                              //文件输出            }            break;        case '6':            {                head=delete_txl(head);                           //删除                print(head);            }            break;        case '7':            head=shifang(head);            break;        default:            printf("操作错误，此项不存在!\n");            break;        }        if(strcmp(num,"7")==0)            break;    }}
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