c语言实现“通讯录”程序（请在vc下编译） - 黑马程序员技术交流社区

#include "stdio.h"
typedef struct
{
char name[50];
char address[50];
char phonenum[20];
char email[20];
char remark[50];
struct mylist *next;
}mylist;
void addlist(){
mylist list;
FILE *fp;
printf("请输入信息->>\n\t");
printf("姓名：");
scanf("%s",list.name);
printf("\n\t地址：");
scanf("%s",list.address);
printf("\n\t电话号码：");
scanf("%s",list.phonenum);
printf("\n\te-mail：");
scanf("%s",list.email);
printf("\n\t备注：");
scanf("%s",list.remark);
list.next=NULL;
fp=fopen("MyAddressList","ab+");
fwrite(&list,sizeof(mylist),1,fp);
fclose(fp);
}
mylist *readlist(int j){
mylist *head=NULL,*r=NULL,*s;
int i,n;
char ch;
long k;
FILE *fp;
fp=fopen("MyAddressList","rb");
for(i=1;1;i++){
n=fgetc(fp);
if(n==EOF)
break;
k=i-1;
fseek(fp,k*sizeof(mylist),SEEK_SET);
s=malloc(sizeof(mylist));
fread(s,sizeof(mylist),1,fp);
if(head==NULL){
head=s;
}else
r->next=s;
r=s;
}
if(j==1){
s=head;
for(i=0;s->next!=NULL;i++){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",s->name,s->address,s->phonenum,s->email,s->remark);
s=s->next;
printf("\n______按任意键继续>\n");
getch();
}
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",s->name,s->address,s->phonenum,s->email,s->remark);
printf("\n按任意键继续>\n");
getch();
}
return(head);
fclose(fp);
}
void search(){
mylist listu;
mylist *p,*coun;
char ch;
p=readlist(0);
coun=p;
while(1){
printf("请输入查询条件：\n");
printf("***********************\n");
printf("\t1、姓名\n");
printf("\t2、手机号\n");
printf("\t3、备注\n");
printf("\t4、退出\n");
printf("***********************\n");
ch=getch();
switch(ch){
case '1': p=coun;
printf("请输入联系人名字：");
scanf("%s",listu.name);
for(;p->next!=NULL;p=p->next){
if(strcmp(listu.name,p->name)==0){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",p->name,p->address,p->phonenum,p->email,p->remark);
}
}
if(strcmp(listu.name,p->name)==0){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",p->name,p->address,p->phonenum,p->email,p->remark);
}
break;
case '2': p=coun;
printf("请输入联系人手机号：");
scanf("%s",listu.phonenum);
for(;p->next!=NULL;p=p->next){
if(strcmp(listu.phonenum,p->phonenum)==0){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",p->name,p->address,p->phonenum,p->email,p->remark);
}
}
if(strcmp(listu.phonenum,p->phonenum)==0){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",p->name,p->address,p->phonenum,p->email,p->remark);
}
break;
case '3': p=coun;
printf("请输入联系人备注信息：");
scanf("%s",listu.remark);
for(;p->next!=NULL;p=p->next){
if(strcmp(listu.remark,p->remark)==0){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",p->name,p->address,p->phonenum,p->email,p->remark);
}
}
if(strcmp(listu.remark,p->remark)==0){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",p->name,p->address,p->phonenum,p->email,p->remark);
}
break;
case '4':return;
default:printf("请输入数字（1or2or3）\n");
continue;
}
}
}
void dellist(){
FILE *fp;
char nameu[10];
int i=0;
mylist *head,*r,*p,*s;
head=readlist(0);
r=head;
if(head==NULL)
printf("通讯录为空！");
else{
printf("请输入要删除的联系人名字：");
scanf("%s",nameu);
r=head;
if(strcmp(r->name,nameu)==0)
{ r=r->next;
head=r;
}
else
{
p=r->next;
while(strcmp(p->name,nameu)!=0){
r=r->next;
p=r->next;
}
s=r->next;
r->next=s->next;
free(s);
}
p=r=head;
if(strcmp(p->name,nameu)==0)
r->next=NULL;
fp=fopen("MyAddressList","wb+");
r=head;
fwrite(r,sizeof(mylist),1,fp);
r=r->next;
while(r!=NULL){
fwrite(r,sizeof(mylist),1,fp);
r=r->next;
}
fclose(fp);
}
}
int chlist(){
mylist *head,*p;
FILE *fp;
char ch[10];
head=readlist(0);
p=head;
printf("请输入要修改人的姓名：");
scanf("%s",ch);
for(;head!=NULL;head=head->next){
if(strcmp(head->name,ch)==0){
printf("姓名：%s\n地址：%s\n电话号码：%s\nEmail：%s\n备注：%s\n\n",head->name,head->address,head->phonenum,head->email,head->remark);
printf("请输入修改后信息..........\n");
printf("\n\t姓名：");
scanf("%s",head->name);
printf("\n\t地址：");
scanf("%s",head->address);
printf("\n\t电话号码：");
scanf("%s",head->phonenum);
printf("\n\te-mail：");
scanf("%s",head->email);
printf("\n\t备注：");
scanf("%s",head->remark);
fp=fopen("MyAddressList","wb+");
while(p!=NULL){
fwrite(p,sizeof(mylist),1,fp);
p=p->next;
}
fclose(fp);
return(1);
}
}
}
void main(){
char ch;
int i;
while(1){
printf("*********我的通讯录************\n");
printf("\t1、添加联系人\n");
printf("\t2、删除联系人\n");
printf("\t3、查找联系人\n");
printf("\t4、更改联系人信息\n");
printf("\t5、显示所有联系人\n");
printf("\t6、退出\n");
printf("*********我的通讯录************\n");
ch=getch();
switch(ch){
case '1':
addlist();
continue;
case '2':
dellist();
continue;
case '3':
search();
continue;
case '4':
i=chlist();
if(i)
printf("修改成功\n");
else
printf("修改失败\n");
continue;
case '5':
readlist(1);
continue;
case '6':
exit(0);
}
}
}

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