C语言程序仓库管理系统.doc

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <conio.h>

struct Info
{
char num[20];
char name[20];
int price;
int amount;
};

char menu() /*菜单选择函数*/
{
char n; /*n记录选择的菜单*/

system("cls");

puts("\t\t 欢迎来到仓库货物管理系统 ");

puts("\t\t***********************MENU***********************\n");

puts("\t\t* 1.录入货物信息 *\n");

puts("\t\t* 2.显示货物信息 *\n");

puts("\t\t* 3.查找货物信息 *\n");

puts("\t\t* 4.修改货物信息 *\n");

puts("\t\t* 5.删除货物信息 *\n");

puts("\t\t* 6.退出系统 *\n");

puts("\t\t**************************************************\n");

puts("*********************************");

printf("* 请选择你要输入数(1-6): *\n");

puts("*********************************");

while(1)
{
n=getchar();
getchar();
if(n<'1'||n>'6')
{
puts("**********************************");

printf("* 出错了！请再次输入(1-6): *\n");

puts("**********************************");
}
else
break;
}
return n;
}

void append() /*货物信息输入函数*/
{
struct Info info;
FILE * fp;
char ch;

if((fp=fopen("F:\\test\\filemolde\\123.txt","wb")) == NULL)
{
printf("******************\n");

printf("* 不能打开文件! *\n");

printf("******************\n");

getch();

exit(1);
}

do
{
printf("\tnum:");
gets(info.num);

printf("\tname:");
gets(info.name);

printf("\tprice:");
scanf("%d",&info.price);

printf("\tamount:");
scanf("%d",&info.amount);
getchar();

fwrite(&info,sizeof(info),1,fp);

printf("***************************\n");
printf("* 还需要输入吗?(Y/N): *\n");
printf("***************************\n");

ch=getchar();
getchar();

}while(ch=='Y'||ch=='y');
fclose(fp);
}

void printf1()
{
printf("*************************************************************************\n");
printf("\t\t%-10s\t%-10s\t%-10s\t%-10s\n","num","name","price","amount\n");
printf("*************************************************************************\n");

}

void printf2(struct Info info)
{

printf("-------------------------------------------------------------------------\n");
printf("\t\t%-10s\t%-10s\t%-10d\t%-10d\n",info.num,info.name,info.price,info.amount );
printf("-------------------------------------------------------------------------\n");

}

void display() /*货物信息显示函数*/
{
struct Info info;
FILE * fp;
int m=0;

if((fp=fopen("F:\\test\\filemolde\\123.txt","rb"))==NULL)
{
printf("******************");

printf("* 不能打开文件! *");

printf("******************");

getch();

exit(1);
}

while(fread(&info,sizeof(info),1,fp)==1)
{
m++;
if(m==1)
printf1();
printf2(info);
if((m!=0)&&(m%10==0))

{
printf("*****************************\n");

printf("* 输入任何键继续 *");

printf("*****************************\n");

getch();
puts("\n\n");
printf1();

}

}

fclose(fp);

printf("************************************\n");
printf("* 总共有%d条记录在其中! *\n",m);
printf("************************************\n");

getch();
}

void search() /*货物信息查询函数*/
{
struct Info info;
FILE * fp;
int flag; /* flag为 1 按编号查询 ,flag为 2 按姓名查询*/
int total=0; /*记录符合条件的记录的个数*/
char ch[10];
char f;

if((fp=fopen("F:\\test\\filemolde\\123.txt","rb")) == NULL)
{
printf("************************************\n");
printf("* \t 不能打开文件! *\n");
printf("************************************\n");
getch();
exit(1);
}

do
{
rewind(fp);
printf("************************************\n");
printf("* 查询通过(1:编号 2:姓名): *\n");
printf("************************************\n");

while(1)
{
scanf("%d",&flag);
getchar();
if(flag<1||flag>2)
{
printf("*****************************************\n");
printf("* 出错了！请再次输入[1:编号][2：姓名] *\n");
printf("*****************************************\n");
}
else
break;
}

if(flag==1) /*按编号进行查询*/
{

printf("************************************\n");
printf("* 请输入你要查询的编号： *\n");
printf("************************************\n");

gets(ch);
total=0; /*符合条件的记录数*/

while(fread(&info,sizeof(info),1,fp)==1)
if(strcmp(ch,info.num)==0)
{
total++;
if(total==1)
printf1();
printf2(info);
}
}
else /*按姓名进行查询*/
{

printf("************************************\n");
printf("* 请输入你要查询的姓名： *\n");
printf("************************************\n");

gets(ch);
total=0;

while(fread(&info,sizeof(info),1,fp)==1)
if(strcmp(ch,info.name)==0)
{
total++;
if(total==1)
printf1();
printf2(info);
}

}

printf("************************************\n");
printf("* 总共有%d记录在其中! *\n",total);
printf("************************************\n");

printf("************************************\n");
printf("* 还需要查询吗?(Y/N): *\n");
printf("************************************\n");
f=getchar();
getchar();
}while(f=='Y'||f=='y');
fclose(fp);
}

void modify() /*货物信息修改函数*/
{
struct Info info;
FILE * fp1,* fp2;
int flag;
char ch[10];
char f;

do
{

if((fp1=fopen("F:\\test\\filemolde\\123.txt","rb")) == NULL)
{

printf("************************************\n");
printf(" * 不能打开文件! *\n");
printf("************************************\n");
getch();
exit(1);
}
if((fp2=fopen("F:\\test\\filemolde\\456.txt","wb")) == NULL)
{
printf("************************************\n");
printf(" * 不能打开文件! *\n");
printf("************************************\n");
getch();
exit(1);
}

printf("************************************\n");
printf("* 请输入你要修改的货物编号： *\n");
printf("************************************\n");

gets(ch);

flag=0;

while(fread(&info,sizeof(info),1,fp1)==1)
{
if(strcmp(ch,info.num)==0)
{
printf1();
printf2(info);

printf("************************************\n");
printf("* 请输入新的信息： *\n");
printf("************************************\n");

printf("\tnum:");
gets(info.num);

printf("\tname:");
gets(info.name);

printf("\tprice:");
scanf("%d",&info.price);

printf("\tamount:");
scanf("%d",&info.amount);
getchar();
flag=1;

}
fwrite(&info,sizeof(info),1,fp2);
}
fclose(fp1);
fclose(fp2);
if(flag==1)
{

printf("************************************\n");
printf("* 修改成功! *\n");
printf("************************************\n");
remove("F:\\test\\filemolde\\123.txt");
rename("F:\\test\\filemolde\\456.txt","F:\\test\\filemolde\\123.txt");
}
else
{
printf("************************************\n");
printf("* 不能找到这个记录! *\n");
printf("************************************\n");
}

printf("************************************\n");
printf("* 还修改其他吗?(Y/N): *\n");
printf("************************************\n");

f=getchar();
getchar();
}while(f=='y'||f=='Y');
}

void Delete() /*货物信息删除函数*/
{
struct Info info;
FILE * fp1,* fp2;
int flag;
char ch[10];
char f;

do
{
if((fp1=fopen("F:\\test\\filemolde\\123.txt","rb")) == NULL)
{
printf("************************************\n");
printf("* \t 不能打开文件! *\n");
printf("************************************\n");
getch();
exit(1);
}

if((fp2=fopen("F:\\test\\filemolde\\456.txt","wb")) == NULL)
{
printf("************************************\n");
printf("* \t 不能打开文件! *\n");
printf("************************************\n");
getch();
exit(1);
}

printf("************************************\n");
printf("* 请输入你需要删除货物的编号: *\n");
printf("************************************\n");

gets(ch);
flag=0;
while(fread(&info,sizeof(info),1,fp1)==1)
{
if(strcmp(ch,info.num)==0)
{
printf1();
printf2(info);
flag=1;
break;
}
else
fwrite(&info,sizeof(info),1,fp2);
}
fclose(fp1);
fclose(fp2);
if(flag==1)
{

printf("************************************\n");
printf("* 删除成功! *\n");
printf("************************************\n");
remove("F:\\test\\filemolde\\123.txt");
rename("F:\\test\\filemolde\\456.txt","F:\\test\\filemolde\\123.txt");
}
else
{
printf("************************************\n");
printf("* 不能找到这个记录! *\n");
printf("************************************\n");
}

printf("************************************\n");
printf("* 还删除其他吗?(Y/N): *\n");
printf("************************************\n");

f=getchar();
getchar();
}while(f=='y'||f=='Y');
}

void main() /*主函数*/
{
while(1)
{

int a;
char f;

char ch[10];

char num[20]={"12345"};

printf("please input the secret :\n");

scanf("%s",ch);

if(strcmp(num,ch)==0)
a=1;
if(a==1)
{
printf("\nplease enter in the telproject !\n");

f=getchar();
getchar();
break;
}
else
{
printf("\n the secret is error");

printf("please input the right secret");
}
}

while(1)
switch(menu())
{
case'1':append();break;
case'2':display();break;
case'3':search();break;
case'4':modify();break;
case'5':Delete();break;
case'6':exit(0);break;
}
}