通讯录(C语言版)(请下载观看,无乱码)

fscanf(fp,"%s%s%s\n",person->name,person->tel,person->add);
printf("%-10s%-20s%-50s\n",person->name,person->tel,person->add);
}
fclose(fp);
printf("\n**************************************\n");
personnode *person;
person=(personnode *)malloc(sizeof(personnode));
printf("\n请输入要删除的姓名:");
scanf("%s",namekey);
if((fp=fopen("通讯录.dat","r+"))==NULL){
FILE *fp; //定义文件型指针变量
/*以下创建通讯录，若通讯录不存在，刚提示创建，若存在则不创建*/
void creat(){
personnode *person;
person=(personnode *)malloc(sizeof(personnode));
if((fp=fopen("通讯录.dat","r"))==NULL){ //r 只读(打开)
person=(personnode *)malloc(sizeof(personnode));
printf("\n请输入要修改的姓名:");
scanf("%s",namekey);
if((fp=fopen("通讯录.dat","r+"))==NULL){ // r+ 读写
printf("\n不能打开通讯录!\n");
printf("\n请选择操作 (1 ~ 2) :");
scanf("%d",&h);
fp=fopen("通讯录.dat","r");
if(h==1){
printf("\n请输入你查找的号码!\n");
scanf("%s",telkey);
fclose(fp);
printf("\n添加成功!\n");
} //append()
/*以下为查找模块*/
void search(){
int k=0,h;
char namekey[8],telkey[16];
personnode *person;
person=(personnode *)malloc(sizeof(personnode));
} //while*/
if(!k)printf("对不起,没有此人记录!\n");
fclose(fp);
}
} //search()
/*以下为修改模块*/
void modify(){
int k=0;
long offset;
char namekey[8];
personnode *person;
printf("\t\t┃ ┃ ┃\n");
printf("\t\t┃ 5 -- 打印 ┃ 0 -- 退出 ┃\n");
printf("\t\t┗━━━━━━━━━━┻━━━━━━━━━━┛\n");
printf("\t\t┃ 欢迎使用Random的通讯录 ┃\n");
printf("\t\t┃ QQ：747187822 ┃\n");
printf("\t\t┣━━━━━━━━━━┳━━━━━━━━━━┫\n");
printf("\n\n*******************************************************************************\n\n");
printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━┓\n");
printf("\t\t┃ ∩__∩ Random 编写 ♂ ┃\n");
scanf("%s%s%s",person->name,person->tel,person->add);
fseek(fp,offset,SEEK_SET); //从该条记录的开始点进行写操作
fprintf(fp,"%-10s%-20s%-50s\n",person->name,person->tel,person->add);
printf("\n确定要删除吗? (Y/N) ");
scanf("%s",&m);
if(m=='y'||m=='Y'){
rewind(fp);
fseek(fp,sum*80L,1);
fprintf(fp,"%-10s%-20s%-50s\n","","","");
k=1;break;
}
}
if(k){
printf("\n已查到，记录为:\n");
printf("%-10s%-20s%-50s\n",pห้องสมุดไป่ตู้rson->name,person->tel,person->add);
printf("\n请输入新姓名、电话号码及地址\n");
printf("\n不能打开通讯录!\n");
exit(0);
}
printf("\n请输入添加的姓名、电话号码及地址\n");
scanf("%s%s%s",person->name,person->tel,person->add);
fprintf(fp,"%-10s%-20s%-50s\n",person->name,person->tel,person->add);
exit(0);
}
while(!feof(fp)){
offset=ftell(fp);
fscanf(fp,"%s%s%s\n",person->name,person->tel,person->add);
if(!strcmp(namekey,person->name)){
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<conio.h>
typedef struct personnode {
char name[8];
char tel[16];
char add[30];
}personnode;
sum+=1;
if(!strcmp(namekey,person->name)){
k=1;break;
}
} //while()
if(k){
printf("\n已查到,记录为:\n");
printf("%-10s%-20s%-50s\n",person->name,person->tel,person->add);
if(!strcmp(namekey,person->name)){
printf("\n\n已查到，记录为:\n");
printf("%-10s%-20s%-50s\n",person->name,person->tel,person->add);
k=1;
} //if
printf("通讯录不存在!\n");
fp=fopen("通讯录.dat","w"); //w 只写(建立)
fprintf(fp,"%-10s%-20s%-50s\n","姓名","电话号码","地址");
printf("\n建立通讯录成功!\n");
}
else
printf("\n不能打开通讯录!\n");
exit(0);
}
while(!feof(fp)){
offset1=ftell(fp); //文件位置指针当前值
fscanf(fp,"%s%s%s\n",person->name,person->tel,person->add);
} //output()
/*以下为添加模块*/
void append(){
personnode *person;
person=(personnode *)malloc(sizeof(personnode));
if((fp=fopen("通讯录.dat","a"))==NULL){ //a 追加