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初生襁褓狮
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发表于：
2007-07-05 19:13
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新手求教C程序设计问题（简易职工信息管理系统）
#include <stdio.h> #include <stdlib.h> #include <malloc.h> #include <string.h> #include <conio.h> #define SIZE 50 /* 定义结构体 */ struct date {int month; int day; int year; }; typedef struct employee {char name[50] ,num[10],sex,edu[10],duty[15]; int age,income; struct employee *next; }empl[SIZE]; /* 逐项输出链表中的内容 */ void view (struct employee* head) { struct employee * p; p = head; while (p != NULL) { printf("%-10s%-15s%3c%-10s%-8s%6d%9d\n", p->name, p->num,p->sex, p->edu,p->duty, p->age,p->income); p = p->next; } } /* 定义保存函数 */ void save () {FILE *fp; int i; if ((fp=fopen("emp_list","wb"))==NULL) {printf("cannot open file\n"); return; } for (i=0;i<SIZE;i++) if (fwrite(&empl ,sizeof(struct employee),1,fp)!=1)
printf("file write error\n");
fclose(fp);
}
/* 通过姓名查找职工 */
struct employee * Search1 (struct employee* head, char * name)
{
struct employee * p = head;
while (p && strcmp(p->name, name))
p = p->next;
return p;
}
/* 通过工号查找职工 */
struct employee * Search2 (struct employee* head, char * num)
{
struct employee * p = head;
while (p && strcmp(p->num, num))
p = p->next;
return p;
}
/* 删除职工信息 */
void Delete (struct employee* head, char * i)
{
struct employee * p = head, *m, *q;
while (p && strcmp(p->num, i) != 0)
{
q = p;
p = p->next;
}
if ((q != NULL) && (q->next != NULL) && head != NULL)
{
m = q->next;
q->next = m->next;
free(m);
printf("删除成功\n");
} else printf("职工不存在！\n");
}
/* 添加一个职工的信息 */
void AddHead (struct employee* head, char name [50], char num [10], char sex,char edu[10],char duty[15], int age, int income) /*增加职工信息*/
{
struct employee * p, *q = head;
while (q->next != NULL)
q = q->next;
p = (struct employee* )malloc(sizeof(employee));
strcpy(p->name, name);
strcpy(p->num, num);
p->sex = sex;
strcpy(p->edu, edu);
strcpy(p->duty, duty);
p->age = age;
p->income = income;
p->next = NULL;
q->next = p;
}
void main (void)
{
int i, f, g;
struct employee * head, *s;
char a [50], b [50], t, e [15], h [15],x[8],d[20], k [15];
system("cls");
/* 为首地址分配空间 */
head=(struct employee* )malloc(sizeof(struct employee));
head->next=NULL;
/* 添加预置信息 */
AddHead(head, "张天", "0610312100", 'M', "高中", "保安" ,20,2600);
AddHead(head, "李行", "0610312101", 'M', "本科", "经理" ,36,5000);
AddHead(head, "周若", "0610312102", 'W', "本科", "会计" ,20,1600);
AddHead(head, "王昭", "0610312103", 'W', "硕士","工程师",27,6000);
AddHead(head, "刘系", "0610312104", 'M', "硕士","工程师",27,6000);
save();
for ( ; ; )
{
printf("--------------------------------------------------------\n");
printf("姓名 工号 性别 学历 职务 年龄 工资\n");
view(head->next);
printf("--------------------------------------------------------\n");
printf("1.添加职工信息\n");
printf("2.删除职工信息\n");
printf("3.根据姓名查找职工\n");
printf("4.根据工号查找职工\n\n");
printf("请作出你的选择：");
scanf("%d", &i);
switch (i)
{
case 1:
printf("请输入职工的信息：");
printf("\n姓名：");
scanf("%s", a);
printf("工号：");
scanf("%s", e);
printf("性别：");
getchar();
scanf("%c", &t);
printf("\n学历：");
scanf("%s", x);
printf("职务：");
scanf("%s", d);
printf("年龄：");
scanf("%d", &f);
printf("工资：");
scanf("%d", &g);
AddHead(head, a, e, t, x,d,f, g);
system("cls");
break;
case 2:
printf("\n工号：");
scanf("%s", h);
Delete(head, h);
system("cls");
break;
case 3:
printf("请输入职工的姓名：");
scanf("%s", b);
s = Search1(head, b);
system("cls");
printf("%-15s%-10s%3c%6d%-10s%-15s%9d\n", s->name, s->num,s->sex, s->edu,s->duty,s->age, s->income);
break;
case 4:
printf("请输入职工的工号：");
scanf("%s", k);
s = Search2(head, k);
system("cls");
printf("%-15s%-10s%3c%6d%-10s%-15s%9d\n", s->name, s->num,s->sex, s->edu,s->duty,s->age, s->income);
break;
}
}
}
要求：
职工信息包括职工号、姓名、性别、出生年月、学历、职务、工资、住址、电话等（职工号不重复）。试设计一职工信息管理系统，使之能提供以下功能：
职工信息录入（创建）功能(职工信息用文件保存)
职工信息浏览功能
查询或排序功能：(至少一种查询方式)
按工资查询
按学历查询等
职工信息添加、删除、修改功能
链表综合与磁盘存储结合存在问题，诚心恳请各位高手指教一二。（用的VC++6.0的编译器）
 2007-07-07 20:57:54
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