复习之 c实现通讯录

实验成果截图

实验的源码附上：（编译机是vm）

main.c

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include"phone.h"/*void print(e)
{printf("%d ",e);
}
*/
int main()
{   linklist list;int ret,i,j;
//  char name[10];
//  int number,tele,wtele;
//  char address[100];int e;char buf[100] = {0};ret = listinit(&list);//初始化联系人表单if(ret == success){printf("contacter init successful!\n");}FILE *fp;fp=fopen("cunchu.txt","r");//打开文件，把原来写入的缓存起来if(fp != NULL){//    fseek(fp,0,SEEK_SET);while(!feof(fp)){linklist new;linklist loop = list;new=(node *)malloc(sizeof(node));while(loop->next != NULL){loop=loop->next;}fgets(buf,sizeof(buf)-1,fp);if(feof(fp)){break;}new->number=buf[0]-'0';memset(buf,'\0',sizeof(buf));fgets(buf,sizeof(buf)-1,fp);strncpy(new->name,buf,strlen(buf)-1);memset(buf,'\0',sizeof(buf));fgets(buf,sizeof(buf)-1,fp);strncpy(new->tele,buf,strlen(buf)-1);memset(buf,'\0',sizeof(buf));fgets(buf,sizeof(buf)-1,fp);strncpy(new->wtele,buf,strlen(buf)-1);memset(buf,'\0',sizeof(buf));fgets(buf,sizeof(buf)-1,fp);strncpy(new->address,buf,strlen(buf)-1);memset(buf,'\0',sizeof(buf));loop->next=new;new->next=NULL;}fclose(fp);}sleep(1);system("clear");printf("******************************************\n");printf("          welcome to you contacter\n");printf("******************************************\n");sleep(1);while(1){printf("******************************************\n");printf(" 1.input       2.listall    3.find(name)  \n");printf(" 4.find(tele)  5.delete     6.modifi(tele)\n");printf(" 7.modifi(wtele)            8.quit\n");printf("******************************************\n");printf("        please choose you function\n");printf("******************************************\n");scanf("%d",&j);if(j == 1)//插入{ret = listinsert(list);if(ret == success){printf("input successful!~\n");}else if(ret == -2){printf("the number of tele/wtele is wrong!~\n");}else{printf("input failed~\n");}continue;}else if(j == 2)//遍历{ret = listtraver(list);if( ret == success){printf("\n");printf("this is all infor!~\n");}continue;}else if(j == 3)//查找名字{   ret = find1(list);if( ret == success){printf("find it!~\n");}continue;}else if(j == 4)//查找电话{    ret = find2(list);if( ret == success){printf("find it!~\n");}continue;}else if(j == 5)//删除{ret = listdelete(list);if(ret == success){printf("delete successful!~\n");}else{printf("delete failed!~\n");}continue;}else if(j == 6)//修改信息{ret = modifi1(list);if(ret == success){printf("modifi successful!~\n");}else if(ret == -2){printf("the new tele is wrong!\n");}else{printf("modifi failed!~\n");}continue;}else if(j == 7){ret = modifi2(list);if(ret == success){printf("modifi successful!~\n");}else if(ret == -2){printf("the new wtele is wrong!\n");}else{printf("modifi failed!~\n");}continue;} else{// quit();fp=fopen("cunchu.txt","w");//将信息写入文本文件if(fp == NULL){perror("fopen");exit(1);}while(list->next != NULL){list = list->next;sprintf(buf,"%d\n%s\n%s\n%s\n%s\n",list->number,list->name,list->tele,list->wtele,list->address);fwrite(buf,1,strlen(buf),fp);}fclose(fp);exit(0);}}/*for(i = 0; i < 5; i++){ret = listinsert(list,i+1,i);}ret = listlength(list);printf("the length of list is: %d\n",ret);ret = listtraver(list,print);if( ret == success){printf("\n");printf("traver successful!~\n");}ret = listdelete(list,2,&e);if(ret == success){printf("delete %d successful!~\n",e);}else{printf("delete failed!~\n");}ret = listtraver(list,print);if( ret == success){printf("\n");printf("traver successful!~\n");}ret = listdeleteall(list);if(ret == success){printf("delete all successful!~\n");}else{printf("delete failed!~\n");}ret = listtraver(list,print);if( ret == success){printf("\n");printf("traver successful!~\n");}ret = destory(&list);if(ret == success){printf("destroy successful!~\n");}else{printf("destory failed!~\n");}ret = listinsert(list,1,1);if( ret == success){printf("\n");printf("insert successful!~\n");}ret = listtraver(list,print);if( ret == success){printf("\n");printf("traver successful!~\n");}*/return 0;
}

phone.c

#include<stdio.h>
#include<stdlib.h>
#include"phone.h"
#include<string.h>node cun[100];
int count = 0;int listinit(linklist *l)//初始化链表
{(*l) = (linklist)malloc(sizeof(node));//c中用malloc分配空间if(l == NULL)//这叫啥来着{return failed;}(*l)->next = NULL;
/*  FILE *fp;fp = fopen("cun.txt" , "r");if(fp == NULL){perror("fopen");exit(1);}while(fread(buf , 1 , 32 , fp)){printf("%s",buf);memset(buf , 0 , sizeof(buf));}fclose(fp);*/return success;//初始化成功
}int listinsert(linklist l)//插入功能
{char name[10];int number;char tele[50];char wtele[50];char address[100];linklist p = l;int j = 1;if(l == NULL)//空表无法插入{return failed;}l = (linklist)malloc(sizeof(node));//为它分配结构体大小的空间if(l == NULL){return failed;}printf("input number name tele wtele address\n");scanf("%d %s %s %s %s",&number,name,tele,wtele,address);if(strlen(tele) != 11){return -2;}if(strlen(wtele) != 8){return -2;}l->number = number ;//将所有数据赋值存储进表strcpy(l->tele,tele);strcpy(l->wtele,wtele);strcpy(l->name,name);strcpy(l->address,address);l->next = p->next;p->next = l;cun[count].number = number;strcpy(cun[count].tele,tele);strcpy(cun[count].wtele,wtele);strcpy(cun[count].name,name);strcpy(cun[count].address,address);count++;return success;}
int listtraver(linklist l)//遍历表
{linklist p = l;if(p == NULL){return failed;}while(p->next){p = p->next;printf("%d %s %s %s %s %s\n",p->number,p->name,p->tele,p->wtele,p->address);}return success;
}int find1(linklist l)//找人
{linklist p = l;char a[50];if(p == NULL){return failed;}printf("input the name of user~\n");scanf("%s",a);while(p->next){p = p->next;if(!strcmp(p->name,a)){printf("number is :%d\n",p->number);printf("name is :%s\n",p->name);printf("tele is :%s\n",p->tele);printf("wtele is :%s\n",p->wtele);printf("address is :%s\n",p->address);return success;}} return failed;
}
int find2(linklist l)//找电话
{linklist p = l;char a[50];if(p == NULL){return failed;}printf("input the tele of user~\n");scanf("%s",a);while(p->next){p = p->next;if(!strcmp(p->tele,a)){printf("number is :%d\n",p->number);printf("name is :%s\n",p->name);printf("tele is :%s\n",p->tele);printf("wtele is :%s\n",p->wtele);printf("address is :%s\n",p->address);return success;}}return failed;
}int listdelete(linklist l)//删除
{int i;linklist p = l;linklist loop = l;if(l == NULL){return failed;}char a[50];int count = 0;printf("input the name of user~\n");scanf("%s",a);while(p->next){p = p->next;count++;if(!strcmp(p->name,a)){for(i = 0; i < count; i++){loop->next = p->next;free(p);return success;}}}return failed;
}int modifi1(linklist l)//改电话
{linklist p = l;if(l == NULL){return failed;}char a[20];char b[20];printf("input the tele of user~\n");scanf("%s",a);while(p->next){p = p->next;if(!strcmp(p->tele,a)){printf("input the new tele of user~\n");scanf("%s",b);if(strlen(b) == 11){strcpy(p->tele,b);return success;}else{return -2;}}}
}
int modifi2(linklist l)//改家庭电话
{linklist p = l;if(l == NULL){return failed;}char a[20];char b[20];printf("input the wtele of user~\n");scanf("%s",a);while(p->next){p = p->next;if(!strcmp(p->wtele,a)){printf("input the new wtele of user~\n");scanf("%s",b);if(strlen(b) == 8){strcpy(p->wtele,b);return success;}else{return -2;}}}
}
void quit()//退出
{
//  int i ;
//  for(i = 0 ; i <= count ; i++)
//  {FILE *fp = fopen("cunchu.txt" , "w+");if(fp == NULL){perror("fopen");exit(1);}fwrite((cun), sizeof(node) , 1 ,fp);fclose(fp);
//  }
}
/*int listdeleteall(linklist l)
{linklist p = l->next;while(p){l->next  = p->next;free(p);p = l->next;}return success;
}*//*int destory(linklist *l)
{free(*l);*l = NULL;return success;
}
int listlength(linklist l)
{linklist p = l;int i = 0;while(p->next){p = p->next;i++;}return i;
}*/

phone.h

#ifndef _linklist_
#define _linklist_#define success 0
#define failed -1struct Node//题目要求的结构体
{int number;//工号char tele[50];//电话号码char wtele[50];//办公电话char name[10];//姓名char address[100];//地址struct Node *next;//指针
};typedef struct Node node;
typedef node* linklist;//所有的函数声明
int listinit(linklist *l);
int listinsert(linklist l);
//int listtraver(linklist l,void(*visit)(char));
int listtraver(linklist l);
int find1(linklist l);
int find2(linklist l);
int listdelete(linklist l);
int modifi1(linklist l);
int modifi2(linklist l);//int listlength(linklist l);
//int listdeleteall(linklist l);
//int detory(linklist *l);#endif

就是第一个输出的时候有乱码不知道是不是\0的问题，啊哈哈

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