// 闲来无事，写几行代码，温习一下单链表，功能不全，可补充。
///////////////////////////////////////////////////
/*Person Information Management System-PIMY
*功能菜单/////////////////////////////////////////
*1. 添加//////////////////////////////////////////
*2. 删除//////////////////////////////////////////
* 2.1按名字删除//////////////////////////////////
* 2.2按id删除////////////////////////////////////
*3. 查找//////////////////////////////////////////
* 3.1所有人//////////////////////////////////////
* 3.2按名字查找//////////////////////////////////
* 3.3按id查找////////////////////////////////////
*4. 退出//////////////////////////////////////////
*//////////////////////////////////////////////////
//*************************************************
///////////////////////////////////////////////////
////////////////Author: Mr Chen////////////////////
///////////////////////////////////////////////////
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
///////////////////////////////////////////////////
//the struct of person
typedef struct person
{
char name[50];
int age;
char id[20];
person *next;
} node,personList;
//Menu():design of the PIMY menu
void mainMenu()
{
printf("\n");
printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
printf("\t\t┃ 人事信息管理系统 ┃\n");
printf("\t\t┃﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌┃\n");
printf("\t\t┃ ◇Menu◇ ┃\n");
printf("\t\t┃ 1........录入 2........查找 ┃\n");
printf("\t\t┃ 3........删除 4........退出 ┃\n");
printf("\t\t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");
}
//getCommand():接受用户操作指令
void searchMenu()
{
printf("\n");
printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
printf("\t\t┃ 人事信息管理系统 ┃\n");
printf("\t\t┃﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌┃\n");
printf("\t\t┃ ◇Search-Menu◇ ┃\n");
printf("\t\t┃ 1........全部 2........名字 ┃\n");
printf("\t\t┃ 3........ID 4........退出 ┃\n");
printf("\t\t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");
}
void delMenu()
{
printf("\n");
printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
printf("\t\t┃ 人事信息管理系统 ┃\n");
printf("\t\t┃﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌┃\n");
printf("\t\t┃ ◇Delete-Menu◇ ┃\n");
printf("\t\t┃ 1........全部 2........名字 ┃\n");
printf("\t\t┃ 3........ID 4........退出 ┃\n");
printf("\t\t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");
}
int getCommand()
{
int c;
printf("输入你的操作指令:");
scanf("%d",&c);
getchar();
return c;
}
//create()
node *create()
{
node *head;
head = (node *)malloc(sizeof(node));
head->next = NULL;
return head;
}
//addPerson()
node *addPerson(node *head)
{
node *p;
int i = 0;
int num;
char buf[256];
printf("需要录入的人数:");
scanf("%d",&num);
getchar();
if(num<1)
{
printf("输入错误,人数必须大于0\n");
}
else{
while(num-->0)
{
p = (node *)malloc(sizeof(node));
printf("请出入第%d个人的信息:\n",(i++)+1);
gets(buf);
if(sscanf(buf,"%s%d%s",&p->name,&p->age,&p->id) !=3)
{
printf("There is a mistake\n");
}
else
{
p->next = head->next;
head->next = p;
}
}
printf("录入完毕!\n");
}
return head;
}
//showAllPerson():show all persons` information
void showAllPerson(node *head)
{
node *p;
printf("姓名\t年龄\tID\n");
p = head->next;
while(p!=NULL)
{
printf("%s\t%d\t%s\n",p->name,p->age,p->id);
p = p->next;
}
}
//searchName():根据名字查找个人信息
void searchName(node *head)
{
node *p;
char name[50];
int i = 0;
printf("请输入名字:");
scanf("%s",&name);
printf("姓名\t年龄\tID\n");
p = head->next;
while(p!=NULL)
{
if(strcmp(p->name,name)==0)
{
printf("%s\t%d\t%s\n",p->name,p->age,p->id);
// p = p->next;
i++;
}
p = p->next;
}
if(i==0)
{
printf("查无此人!\n");
}
}
//
void searchId(node *head)
{
node *p;
char id[20];
int i = 0;
printf("请输入ID:");
scanf("%s",&id);
printf("姓名\t年龄\tID\n");
p = head->next;
while(p!=NULL)
{
if(strcmp(p->id,id)==0)
{
printf("%s\t%d\t%s\n",p->name,p->age,p->id);
i++;
}
p = p->next;
}
if(i==0)
{
printf("查无此人!\n");
}
}
//search():一级菜单查找
void search(node *head)
{
if(head->next ==NULL)
{
printf("系统信息为空,查找失败!\n");
}
else
{
searchMenu();
int c = getCommand();
switch(c)
{
case 1:
showAllPerson(head);
break;
case 2:
searchName(head);
break;
case 3:
searchId(head);
break;
default:
printf("输入有误!\n");
break;
}
}
}
//deleteName():按名字删除
node *deleteName(node *head)
{
node *p,*q;
char name[50];
p = head;
q = head->next;
printf("请输入名字:");
scanf("%s",&name);
while(q&&(strcmp(q->name,name)!=0))
{
p = q;
q = q->next;
}
if(q)
{
if(p==head)
{
head->next = q->next;
}
else
{
p->next = q->next;
}
// delete q;
free(q);
printf("删除完毕!\n");
}
else
{
printf("系统中没有此人!\n");
}
return head;
}
//deleteId():按ID删除
node *deleteId(node *head)
{
node *p,*q;
char id[20];
p = head;
q = head->next;
printf("请输入ID:");
scanf("%s",&id);
while(q&&(strcmp(q->id,id)!=0))
{
p = q;
q = q->next;
}
if(q)
{
if(p==head)
{
head->next = q->next;
}
else
{
p->next = q->next;
}
// delete q;
free(q);
printf("删除完毕!\n");
}
else
{
printf("系统中没有此人!\n");
}
return head;
}
node *delAllPerson(node *head)
{
node *p,*q;
p = head->next;
while(p!=NULL)
{
q = p;
p = p->next;
free(q);
}
head->next = NULL;
printf("删除完毕!\n");
return head;
}
//delete():一级菜单
node *delPerson(node *head)
{
if(head->next==NULL)
{
printf("系统信息为空,删除失败!\n");
}
else
{
delMenu();
int c = getCommand();
switch(c)
{
case 1:
head = delAllPerson(head);
break;
case 2:
head = deleteName(head);
break;
case 3:
head = deleteId(head);
break;
default:
printf("输入有误!\n");
break;
}
}
return head;
}
//////////////////////////////////////////////////
//
int main()
{
int c;
node *head = create();
while(1)
{
mainMenu();
c = getCommand();
switch(c)
{
case 1:
head = addPerson(head);
break;
case 2:
search(head);
break;
case 3:
head = delPerson(head);
break;
case 4:
printf("你已退出人事信息管理系统!\n");
exit(0);
default:
printf("输入错误!\n");
break;
}
}
return 0;
}运行结果：
原文地址：http://blog.csdn.net/chentravelling/article/details/44042027
