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("stuff.txt","r")) == NULL)

{

printf("无任何员工信息，请新建!\n\n");

}

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("goods.txt","r")) == NULL)

{

printf("无任何货品信息，请新建!\n\n");

}

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("\n\n\n\n☆☆增加员工资料☆☆\n");

printf("\n请输入员工\n\n");

scanf("%s",p->);

printf("\n请输入员工密码\n\n");

scanf("%s",p->s.password);

printf("