count.c

Unix/Linux 物流系统Demo

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "churu.h"
FILE *fp_Slt;
extern char* filename;
char gustname[20];
char datestart[10];
char dateend[10];
taizhang read;

int  gust_num;

int  diaodan_num;

int subcount()
{
	int select;
	
	while(1)
	{
		fflush(stdin);
		help(filename,"[tongji]");
/*
		printf("================================================\n");
		printf("1. 按日期统计\n");
		printf("2. 按客户姓名统计\n");
		printf("3. 按仓库号统计\n");
		printf("4. 返回上一级菜单\n");
	 	printf("================================================\n");	
		printf("选项:");
*/
		while(getchar()!='\n');		
		scanf("%d",&select);
		switch (select)
		{
			case 1:						
				countdate();
				break;
			case 2:
				countuser();
				break;
			case 3:
				countcknum();
				break;
			case 4:
				return 0;
		}
	}
	return 0;
}
int  countuser()
{
	int gust_num=0;
	do
	{
	help(filename,"[getname]");
//	printf("请输入客户姓名:\n");
	scanf("%s",gustname);
	}while(!check_length(gustname,10));
	if(fp_Slt=fopen("taizhang.dat","r+b"))
	{      
		rewind(fp_Slt);
		while(!feof(fp_Slt))
		{	
			fread(&read,sizeof(taizhang),1,fp_Slt);
			if(strcmp(read.usr_name,gustname)==0)
				gust_num += 1;
		}
		fclose(fp_Slt);
	}
	else 
		help(filename,"[openfileerror]");
//		printf("读取文件错误!!!\n");

	help(filename,"[gust_num]");
//	printf("该客户所拥有的入库单数为:        %d\n",gust_num);
	printf("%d\n",gust_num);
	return 0;
}

int countcknum()
{	

	int  cangkuhao;
	int  cangku_num=0;
	
	help(filename,"[getcangkuid]");	
//	printf("请输仓库编号:\n");
	scanf("%d",&cangkuhao);
	printf("================\n");
	if(fp_Slt=fopen("taizhang.dat","r+b"))
	{       
		rewind(fp_Slt);
		while(!feof(fp_Slt))
		{	
			fread(&read,sizeof(taizhang),1,fp_Slt);
			if(read.deport_id==cangkuhao)
				cangku_num += 1;		
		}
		fclose(fp_Slt);	
	}
	else 
	        help(filename,"[openfileerror]");
//		printf("读取文件错误!!!\n");
	help(filename,"[cangku_num]");
	printf("本仓库中有的入库单数目是:     %d\n",cangku_num);
	printf("%d\n",cangku_num);
	return 0;

}
int countdate()
{
	int zaiku_num=0;
	int chuku_num=0;
	int total_num=0;	
	do
	{
	help(filename,"[datestart]");
//	printf("请输入起始日期:(2004-07-08)\n");
	scanf("%s",datestart);
	}while(!check_date(datestart));
	do
	{
	help(filename,"[dateend]");
//	printf("请输入终止日期:(2004-07-08)\n");
	scanf("%s",dateend);
	}while(!check_date(dateend));
	if(fp_Slt=fopen("taizhang.dat","r+b"))
	{     
		rewind(fp_Slt);
		while(!feof(fp_Slt))
		{
			
			fread(&read,sizeof(taizhang),1,fp_Slt);
			if(read.stat==1)//货物在库
			{	
				if (strcmp(read.in_date,datestart)>0 && strcmp(read.in_date,dateend)<0)
					zaiku_num += 1;
				printf("%d\n",read.id);
				
				total_num += 1;
			}
			if(read.stat==0)//货物在库
			{	
				if (strcmp(read.out_date,datestart)>0 && strcmp(read.out_date,dateend)<0)
					chuku_num += 1;
				printf("%d\n",read.id);
				total_num += 1;
			}
			
			if(read.stat==2)//货物在库
			{	
				printf("%d\n",read.id);
				total_num += 1;
		
			}
		
		}
		fclose(fp_Slt);
		help(filename,"[zaiku_num]");
		printf("%d\n",zaiku_num);
//		printf("货物还在库的入库单总数为:         %d\n",zaiku_num);
		help(filename,"[chuku_num]");
		printf("%d\n",chuku_num);
//		printf("货物已出库的入库单总数为:         %d\n",chuku_num);
	
	}
	else 
		help(filename,"[openfileerror]");
//		printf("读取文件错误!!!\n");
	
	return 0;



}