// 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 persontypedef struct person{char name[50];int age;char id[20];person *next;} node,personList;//Menu():design of the PIMY menuvoid 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……..ID4……..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……..ID4……..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` informationvoid 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：
，志在山顶的人，不会贪念山腰的风景。
