实验设备管理系统设计
要求

实验设备信息包括：设备编号，设备种类（如：微机，打印机，扫描仪等等），设备名称，设备价格，设备购入日期，是否报废，报废日期等。试设计一实验设备信息管理系统，使之能提供以下功能：

1能够完成对设备的录入和修改

2对设备进行分类统计

3设备的查询


#include <stdio.h>
#include <string.h>
struct instrument
{
char p_num[12];
char name[12];
char spec[12];
int amount;
int price;
int s_price;
struct instrument *next;
};
struct instrument *head;
struct in_instrument
{
char num[12];
char p_num[12];
char name[12];
int amount;
int price;
int t_price;
struct in_instrument *next;
};
struct in_instrument *ihead;
struct out_instrument
{
char num[12];
char p_num[12];
char name[12];
int amount;
int price;
int t_price;
struct out_instrument *next;
};
struct out_instrument *ohead;
struct quit_instrument
{
char num[12];
char p_num[12];
char name[12];
int amount;
int price;
int t_price;
struct quit_instrument *next;
};
struct quit_instrument *qhead;
int init()
{
head=ihead=ohead=qhead=NULL;
printf("0: Quit\n");
printf("1: Enter the information of in instrument\n");
printf("2: Enter the information of out instrument\n");
printf("3: Enter the information of quit instrument\n");
printf("4: Total the information of instrument\n");
}
int menu()
{
printf("1:insert data\n");
printf("2:delete data\n");
printf("3:modify data\n");
printf("4:select data\n");
printf("Other to quit\n");
}
int menu2()
{
printf("0: Quit\n");
printf("1: Enter the information of in instrument\n");
printf("2: Enter the information of out instrument\n");
printf("3: Enter the information of quit instrument\n");
printf("4: Total the information of instrument\n");
}
int insert_instrument()
{
struct instrument * p1,* p;
p1=(struct instrument *)malloc(sizeof(struct instrument));
p=head;
if (p==NULL)
{
printf("Enter the data of instrument\n");
printf("Include the spbh,name,style,num,price,sale_price of instrument\n");
scanf("%s%s%s%d%d%d",
&p1->p_num,&p1->name,&p1->spec,&p1->amount,&p1->price,&p1->s_price);
head=p1;
head->next=NULL;
return 0;
}
while(p->next!=NULL)
p=p->next;
p->next=p1;
printf("Enter the data\n");
scanf("%s%s%s%d%d%d",
&p1->num,&p1->p_num,&p1->name,&p1->amount,&p1->price,&p1->t_price);
p1->next=NULL;
}
int in_insert()
{
struct in_instrument * p1,* p;
p1=(struct in_instrument *)malloc(sizeof(struct in_instrument));
p=ihead;
if (p==NULL)
{
printf("Enter the data of in instrument\n");
printf("Include the rkbh,spbh,name,number,price,total_price\n");
scanf("%s%s%s%d%d%d",
&p1->num,&p1->p_num,&p1->name,&p1->amount,&p1->price,&p1->t_price);
ihead=p1;
ihead->next=NULL;
return 0;
}
while(p->next!=NULL)
p=p->next;
p->next=p1;
printf("Enter the data\n");
scanf("%s%s%s%d%d%d",
&p1->num,&p1->p_num,&p1->name,&p1->amount,&p1->price,&p1->t_price);
p1->next=NULL;
}
int in_modify()
{
char m_num[12];
struct in_instrument * p;
p=ihead;
printf("Enter the modify num\n");
scanf("%s",&m_num);
if (p==NULL)
{
printf("Sorry! No data can be found\n");
return 0;
}
while(p!=NULL)
{
if (strcmp(p->num,m_num)==0)
{
printf("Enter the new data without num\n");
scanf("%s%s%d%d%d",
&p->p_num,&p->name,&p->amount,&p->price,&p->t_price);
printf("One data had modified\n");
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int in_select()
{
char s_num[12];
struct in_instrument * p;
p=ihead;
printf("Enter the select num\n");
scanf("%s",&s_num);
while(p!=NULL)
{
if (strcmp(p->num,s_num)==0)
{
printf("The data you want is:\n");
printf(" %s %s %s %d %d %d\n",
p->num,p->p_num,p->name,p->amount,p->price,p->t_price);
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}

int in_delete()
{
char d_num[12];
struct in_instrument * p1,* p;
p=ihead;
printf("Enter the delete num\n");
scanf("%s",&d_num);
if (p==NULL)
{
printf("No data can be found\n");
return 0;
}
if (strcmp(p->num,d_num)==0 && p->next==NULL)
{
ihead=NULL;
printf("One data has been deleted\n");
return 0;
}
if (strcmp(p->num,d_num)==0 && p->next!=NULL)
{
ihead=ihead->next;
printf("One data has been deleted\n");
return 0;
}
while(p->next!=NULL)
{
p1=p->next;
if (strcmp(p1->num,d_num)==0)
{
p->next=p1->next;
printf("One data has been deleted\n");
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int out_insert()
{
struct out_instrument * p1,* p;
p1=(struct out_instrument *)malloc(sizeof(struct out_instrument));
p=ohead;
if (p==NULL)
{
printf("Enter the data of out instrument\n");
printf("Include the ckbh,spbh,name,number,price,total_price\n");
scanf("%s%s%s%d%d%d",
&p1->num,&p1->p_num,&p1->name,&p1->amount,&p1->price,&p1->t_price);
ohead=p1;
ohead->next=NULL;
return 0;
}
while(p->next!=NULL)
p=p->next;
p->next=p1;
printf("Enter the data\n");
scanf("%s%s%s%d%d%d",
&p1->num,&p1->p_num,&p1->name,&p1->amount,&p1->price,&p1->t_price);
p1->next=NULL;
}
int out_modify()
{
char m_num[12];
struct out_instrument * p;
p=ohead;
printf("Enter the modify num\n");
scanf("%s",&m_num);
if (p==NULL)
{
printf("Sorry! No data can be found\n");
return 0;
}
while(p!=NULL)
{
if (strcmp(p->num,m_num)==0)
{
printf("Enter the new data without num\n");
scanf("%s%s%d%d%d",
&p->p_num,&p->name,&p->amount,&p->price,&p->t_price);
printf("One data had modified\n");
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int out_select()
{
char s_num[12];
struct out_instrument * p;
p=ohead;
printf("Enter the select num\n");
scanf("%s",&s_num);
while(p!=NULL)
{
if (strcmp(s_num,p->num)==0)
{
printf("The data you want is:\n");
printf(" %s %s %s %d %d %d\n",
p->num,p->p_num,p->name,p->amount,p->price,p->t_price);
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int out_delete()
{
char d_num[12];
struct out_instrument * p1,* p;
p=ohead;
printf("Enter the delete num\n");
scanf("%s",&d_num);
if (p==NULL)
{
printf("No data can be found\n");
return 0;
}
if (strcmp(p->num,d_num)==0 && p->next==NULL)
{
ohead=NULL;
printf("One data has been deleted\n");
return 0;
}
if (strcmp(p->num,d_num)==0 && p->next!=NULL)
{
ohead=ohead->next;
printf("One data has been deleted\n");
return 0;
}
while(p->next!=NULL)
{
p1=p->next;
if (strcmp(p1->num,d_num)==0)
{
p->next=p1->next;
printf("One data has been deleted\n");
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int quit_insert()
{
struct quit_instrument * p1,* p;
p1=(struct quit_instrument *)malloc(sizeof(struct quit_instrument));
p=qhead;
if (p==NULL)
{
printf("Enter the data of quit instrument\n");
printf("Include the thbh,spbh,name,number,price,total_price\n");
scanf("%s%s%s%d%d%d",
&p1->num,&p1->p_num,&p1->name,&p1->amount,&p1->price,&p1->t_price);
qhead=p1;
qhead->next=NULL;
return 0;
}
while(p->next!=NULL)
p=p->next;
p->next=p1;
printf("Enter the data\n");
scanf("%s%s%s%d%d%d",
&p1->num,&p1->p_num,&p1->name,&p1->amount,&p1->price,&p1->t_price);
p1->next=NULL;
}
int quit_modify()
{
char m_num[12];
struct quit_instrument * p;
p=qhead;
printf("Enter the modify num\n");
scanf("%s",&m_num);
if (p==NULL)
{
printf("Sorry! No data can be found\n");
return 0;
}
while(p!=NULL)
{
if (strcmp(p->num,m_num)==0)
{
printf("Enter the new data without num\n");
scanf("%s%s%d%d%d",
&p->p_num,&p->name,&p->amount,&p->price,&p->t_price);
printf("One data had modified\n");
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int quit_select()
{
char s_num[12];
struct quit_instrument * p;
p=qhead;
printf("Enter the select num\n");
scanf("%s",&s_num);
while(p!=NULL)
{
if (strcmp(s_num,p->num)==0)
{
printf("The data you want is:\n");
printf(" %s %s %s %d %d %d\n",
p->num,p->p_num,p->name,p->amount,p->price,p->t_price);
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int quit_delete()
{
char d_num[12];
struct quit_instrument * p1,* p;
p=qhead;
printf("Enter the delete num\n");
scanf("%s",&d_num);
if (p==NULL)
{
printf("No data can be found\n");
return 0;
}
if (strcmp(p->num,d_num)==0 && p->next==NULL)
{
qhead=NULL;
printf("One data has been deleted\n");
return 0;
}
if (strcmp(p->num,d_num)==0 && p->next!=NULL)
{
qhead=qhead->next;
printf("One data has been deleted\n");
return 0;
}
while(p->next!=NULL)
{
p1=p->next;
if (strcmp(p1->num,d_num)==0)
{
p->next=p1->next;
printf("One data has been deleted\n");
return 0;
}
p=p->next;
}
printf("Sorry! No num has found\n");
}
int total()
{
int in_num=0,in_price=0;
int out_num=0,out_price=0;
int num=0,price=0;
struct in_instrument *ip;
struct out_instrument *op;
struct instrument *p;
ip=ihead;
while(ip!=NULL)
{
in_num+=ip->amount;
in_price+=ip->t_price;
ip=ip->next;
}
op=ohead;
while(op!=NULL)
{
out_num+=op->amount;
out_price+=op->t_price;
op=op->next;
}
p=head;
while(p!=NULL)
{
num+=p->amount;
price+=p->s_price;
p=p->next;
}
printf("The in instrument's total number and total price is:\n");
printf("%d %d\n",in_num,in_price);
printf("The out instrument's total number and total price is:\n");
printf("%d %d\n",out_num,out_price);
printf("The instrument's total number and total price is:\n");
printf("%d %d\n",num,price);
}
int in_case()
{
int choice;
printf("The information of in instrument:\n");
while(1)
{
printf("Enter the choice\n");
scanf("%d",&choice);
switch(choice)
{
case 1: in_insert();insert_instrument();break;
case 2: in_delete();break;
case 3: in_modify();break;
case 4: in_select();break;
default: return 0;
}
menu();
}
}
int out_case()
{
int choice;
printf("The information of out instrument:\n");
while(1)
{
printf("Enter the choice\n");
scanf("%d",&choice);
switch(choice)
{
case 1: out_insert();break;
case 2: out_delete();break;
case 3: out_modify();break;
case 4: out_select();break;
default:return 0;
}
menu();
}
}
int quit_case()
{
int choice;
printf("The information of quit instrument:\n");
while(1)
{
printf("Enter the choice\n");
scanf("%d",&choice);
switch(choice)
{
case 1: quit_insert();break;
case 2: quit_delete();break;
case 3: quit_modify();break;
case 4: quit_select();break;
default: return 0;
}
menu();
}
}
int main()
{
int choice;
init();
while(1)
{
scanf("%d",&choice);
switch(choice)
{
case 0: return 0;
case 1: menu();in_case(); break;
case 2: menu();out_case();break;
case 3: menu();quit_case();break;
case 4:total();break;
}
menu2();
}
}

LZ啊,程序太长了~~既没有注释,也没有一定的缩进,大家哪里看得下去呀?
建议,重新编辑,做好注释及缩进,方便大家阅读,并提意见~~

函数有几个都看不出来 怎么看得进去哈

有人愿意帮你看，我真算是佩服了！

整理了一下

这么长，看得头晕啊!