话不多说，直接贴代码
telbook.c
/****************************************************
> File Name: tel_book.c
> Author: Leo Chin
****************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define TelBook_FILE "tel_book.txt" //通讯录
typedef struct S_TelBook
{
char name[16];//姓名
char mail[32];//邮箱
char tel[16];;//电话号码
struct S_TelBook* next;//下一个联系人
}T_S_TelBook;
T_S_TelBook *telbook_head;//创建链表头结点
void showMenu(void)
{
printf( "******************************************\n"
" - 1.显示所有联系人\n"
" - 2.增加联系人\n"
" - 3.删除联系人\n"
" - 4.修改联系人\n"
" - 5.搜索联系人\n"
" - 6.退出电话本\n"
"******************************************\n");
}
void load_tel_list(void)
{
//*******************loading static T_S_TelBook *
telbook_head = (T_S_TelBook*)malloc(sizeof(T_S_TelBook));
telbook_head->next = NULL;
T_S_TelBook *now = telbook_head;
FILE *fp = fopen(TelBook_FILE,"a+");
if (NULL == fp)
{
printf("fopen file: %s fail !\n",TelBook_FILE);
}
//fp不为空则循环
int i = 1;
while(!feof(fp))
{
fscanf(fp,"%s %s %s",now->name,now->mail,now->tel);
T_S_TelBook *telbook_body = (T_S_TelBook*)malloc(sizeof(T_S_TelBook));
telbook_body->next = NULL;
now->next = telbook_body;
now = telbook_body;
i++;
}
printf("已载入 [ %d ] 个联系人\n",i);
//free(now);
// printf(" !feof(fp) = %d\n", !feof(fp));
fclose(fp);
}
//显示所有联系人
void show_all_list(void)
{
//*******************print
puts("所有联系人：");
T_S_TelBook *now = telbook_head;
printf("%-16s %-20s %-16s\n","NAME","EMAIL","TEL_Number");
printf("----------------------------------------------------\n");
while(now != NULL)
{
printf("%-16s %-20s %-16s\n",now->name,now->mail,now->tel);
now = now-> next;
}
}
void search_tel_list(void)
{
//*******************search
puts("搜索联系人:");
char name_find[16] = {0};
T_S_TelBook *now = telbook_head;
printf("pls entel name to search:");
scanf("%s",name_find);
printf("name is:%s searching. . .\n",name_find);
while(now != NULL)
{
if (!strcmp(name_find ,now->name))
{
printf("%-16s %-20s %-16s\n","NAME","EMAIL","TEL_Number");
printf("----------------------------------------------------\n");
printf("%-16s %-20s %-16s\n",now->name,now->mail,now->tel);
return;
}
now = now-> next;
}
printf( "Not find the name: %s\n",name_find);
}
void rewrite_file(void)
{
FILE *fp = fopen(TelBook_FILE,"w");
T_S_TelBook *now = telbook_head;
if (NULL == fp)
{
printf("rewrite_file,fopen file: %s fail !\n",TelBook_FILE);
}
while( now != NULL )
{
fprintf(fp, "%s %s %s\n",now->name,now->mail,now->tel);
now = now->next;
}
fclose(fp);
}
void add_tel_list(void)
{
//*******************add_tel_list
puts("输入格式为【 Tim 123456@qq.ocm 56019587 】");
T_S_TelBook *telbook_insert = (T_S_TelBook*)malloc(sizeof(T_S_TelBook));
telbook_insert->next = telbook_head;
while(1)
{
scanf("%s %s %s",telbook_insert->name,telbook_insert->mail,telbook_insert->tel);
if ((strlen(telbook_insert->name)>0) || (strlen(telbook_insert->mail)>0) || (strlen(telbook_insert->tel)>0))
{
break;
}
printf("entel error，pls again ！\n");
}
telbook_head = telbook_insert;
rewrite_file();
}
void delete_tel_list(void)
{
puts("删除联系人:");
char name_find[16] = {0};
T_S_TelBook *now = telbook_head;
T_S_TelBook *next_now = telbook_head->next;
printf("pls entel name to delete:");
scanf("%s",name_find);
printf("name is:%s deleteing. . .\n",name_find);
if (now!=NULL && !strcmp(name_find ,now->name))
{
telbook_head = telbook_head->next;
free(now);
rewrite_file();
return;
}
while(next_now != NULL)
{
// printf("name_find:%s\n",name_find);
// printf("now->name:%s\n",next_now->name);
if (!strcmp(name_find ,next_now->name))
{
now->next = next_now->next;
free(next_now);
rewrite_file();
return;
}
now = now->next;
next_now = next_now->next;
}
printf( "Not find the name: %s",name_find);
}
void modify_tel_list(void)
{
puts("修改联系人:");
char name_find[16] = {0};
T_S_TelBook *now = telbook_head;
printf("Please enter the name you want to modify:");
scanf("%s",name_find);
while(now != NULL)
{
// printf("name_find:%s\n",name_find);
// printf("now->name:%s\n",now->name);
if (!strcmp(name_find ,now->name))
{
while(1)
{
printf("Please enter the changed infor:\n");
puts("输入格式为【 Tim 123456@qq.ocm 56019587 】");
scanf("%s %s %s",now->name,now->mail,now->tel);
//对输入的格式没有强制控制可以自己增加
if ((strlen(now->name)>0) || (strlen(now->mail)>0) || (strlen(now->tel)>0))
{
break;
}
printf("entel error，pls again ！\n");
}
printf("modify name is:%s modifying. . .\n",name_find);
rewrite_file();
return;
}
now = now->next;
}
printf( "Not find the name: %s",name_find);
}
void cmd_menu(void)
{
int cmd_menu;
scanf("%d",&cmd_menu);
switch(cmd_menu)
{
case 1:show_all_list();break;
case 2:add_tel_list();break;
case 3:delete_tel_list();break;
case 4:modify_tel_list();break;
case 5:search_tel_list();break;
case 6:puts("退出中. . .");exit(0);
default:printf("Cmd not fould，pls enter again: ");break;
}
}
void main(void)
{
printf( "*** 载入中，请稍后 . . . . . . . . . ***\n");
load_tel_list();
printf( "*** 欢迎使用电话本，请选择：[输入序号] ***\n");
while(1)
{
showMenu();
printf("pls enter : ");
cmd_menu();
// printf( "continue ? \n");
}
}BOOK File: tel_book.txt 文件格式
456123 123654 123456
new 123456 621621
kkkk 123@qq.com 15915918888
jake 123@haha.com 159159519
leoc 137056@q.com 123456
asdasd 13546 123123
kkkk 123@qq.com 15915918888
leochin1 137123456@qq.com 1370561111
leochin2 137123457@qq.com 1370562222
leochin3 137123458@qq.com 1370563333
leochin4 137123459@qq.com 1370564444
leochin5 137123460@qq.com 1370565555
leochin6 137123461@qq.com 1370566666
leochin7 137123462@qq.com 1370566677
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