物流信息管理系统(C语言源程序)
物流信息管理系统C语言源程序
#include
#include
#include
#include
struct stuff //员工数据结构体
{
char name[10];
char password[10];
char quanxian[2];
};
struct goods //货品数据结构体
{
char number[20];
char name[20];
int quantity;
char cost[20];
char volume[20];
char weight[20];
};
typedef struct a
{
struct stuff s;
struct a *next;
}stuffnode;
typedef struct b
{
struct goods g;
struct b *next;
}goodsnode;
stuffnode *stuffhead = NULL;//全局结构体链表指针变量头指针
stuffnode *stuffp1 = NULL;
goodsnode *goodshead = NULL;
goodsnode *goodsp1 = NULL;
void initial_stuff()
{
FILE *fp;
stuffnode *p;
if((fp = fopen(","r")) == NULL)
{
printf("无任何员工信息,请新建!nn");
}
else
{
fseek(fp,0,SEEK_END);
int n,i;
n = ftell(fp)/sizeof( struct stuff );
rewind(fp);
for(i = 0;i < n;i++)
{
p = (stuffnode *)malloc(sizeof( stuffnode ));
fread(&p->s,sizeof(p->s),1,fp);//从文件FP中读取数据到P中
p->next = NULL;
if(stuffhead == NULL)
{
stuffhead = stuffp1 = p;
}
else
{
stuffp1->next = p;
stuffp1 = stuffp1->next;
}
}
fclose(fp);
}
}
void initial_goods()
{
FILE *fp;
goodsnode *p;
if((fp = fopen(","r")) == NULL)
{
printf("无任何货品信息,请新建!nn");
}
else
{
fseek(fp,0,SEEK_END);
int n,i;
n = ftell(fp)/sizeof(struct goods);
rewind(fp);
for(i = 0;i < n;i++)
{
p = (goodsnode *)malloc(sizeof( goodsnode ));
fread(&p->g,sizeof(p->g),1,fp);
p->next = NULL;
if(goodshead == NULL)
{
goodshead = goodsp1 = p;
}
else
{
goodsp1->next = p;
goodsp1 = goodsp1->next;
}
}
fclose(fp);
}
}
void addstuff() //增加员工
{
stuffnode *p;
p = (stuffnode *)malloc(sizeof( stuffnode ));
printf("nnnn☆☆增加员工资料☆☆n");
printf("n请输入员工姓名nn");
scanf("%s",p->);
printf("n请输入员工密码nn");
scanf("%s",p->s.password);
printf
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