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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <dos.h>
  4. #define PTIME 20
  5. #define SQty 1000
  6. #define fname "material.txt"
  7. #define fcode "code.txt"
  8. #define ftemp "temp.txt"
  9.  
  10. FILE *fp,*fp1,*fp2;
  11. char stoday[11];
  12. int day_today=0;
  13.  
  14. struct date
  15. {
  16.     int da_year;
  17.     int da_mon;
  18.     int da_day;       
  19. };
  20.  
  21. int main(void)
  22. {
  23.     void print(void);
  24.     void edit_code(void);
  25.     void check_reserve(void);
  26.     void record(char type);
  27.     char* qtyCalc(char check_no[10],int s_day,int e_day);
  28.  
  29.     {
  30.         struct date d;
  31.         getdate(&d);
  32.         sprintf(stoday,"%d/%d/%d",d.da_year,d.da_mon,d.da_day);
  33.         day_today=dayCalc(stoday);      
  34.     }     
  35.  
  36.     for(;;)
  37.     {
  38.         clrscr();
  39.         printf("\nMain Menu\n\(1)Sale.\n\(2)Order.\n\(3)Search and Print.\n\(4)Edit Code list\n\(5)Safety Stock\n\(0)Quit\n");
  40.         printf("Please enter choice?");
  41.         switch(getche())
  42.         {
  43.             case'0':exit(0);
  44.             case'1':record('+');break;
  45.             case'2':record('-');break;
  46.             case'3':print();break;
  47.             case'4':edit_code();break;
  48.             case'5':check_reserve();break;
  49.             default:printf("Input error!Please input 0~5\n");break;                
  50.         }       
  51.     }
  52.     return 0;
  53. }
  54.  
  55. int dayCalc(char sdate[])
  56. {
  57.     long year,month,day;
  58.     char temp;
  59.     int days[]={31,28,31,30,31,30,31,31,30,31,30,31};
  60.     int i,total;
  61.     sscanf(sdate,"%ld%c%ld%c%ld",&year,&temp,&month,&temp,&day);
  62.     total=day+(month>2&&((year%4==0&&year%100!=0)||year%400==0));
  63.     for(i=0;i<month-1;total+=days[i++]);
  64.     return total;
  65. }
  66.  
  67. void record(char type)
  68. {
  69.     long total=0,m_amount=0,in_amt=0,out_amt=0;
  70.     char m_no[10],m_date[11],m_rdate[11];
  71.     char *s_qty,temp;
  72.     char* qtyCalc(char check_no[10],int s_day,int e_day);  
  73.     printf("\n\n*****************************************************\n");
  74.     fflush(stdin); 
  75.     printf("No:");
  76.     gets(m_no);
  77.     s_qty=qtyCalc(m_no,1,day_today+PTIME);
  78.  
  79.     sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  80.     if(total<SQty)
  81.     {
  82.         printf("The current safety stock qty is %ld\n",total);              
  83.     }  
  84.     printf("Date(yyyy/mm/dd):");
  85.     gets(m_date);
  86.     printf("Quantity:");
  87.     scanf("%ld",m_amount);
  88.     if((fp=fopen(fname,"at"))==NULL)
  89.         printf("file open error!\n"),exit(1);
  90.  
  91.     fprintf(fp,"%10s%15s%10ld%2c%15s\n",m_no,m_date,m_amount,type,stoday);
  92.     if(fclose(fp)==-1)
  93.         printf("file close error!\n"),exit(1);
  94. }
  95.  
  96. void print(void)
  97. {
  98.     void search1(void);
  99.     void search2(void);
  100.     for(;;)
  101.     {
  102.         clrscr();
  103.         printf("\nsearch & print database\n\(1)query single material\n\(2)query all materials\n\(0)back to mainmenu\n");
  104.         printf("enter choice?");
  105.         switch(getche())
  106.         {
  107.             case'0':main();break;
  108.             case'1':search1();break;
  109.             case'2':search2();break;
  110.             default:printf("input error!please input0~2\n");break;
  111.         }       
  112.     }     
  113. }
  114.  
  115. void edit_code(void)
  116. {
  117.     char temp[20],code_no[10],code_name[20];
  118.     printf("\n\n***************************************\n");
  119.     fflush(stdin);
  120.     printf("No:");
  121.     gets(temp);
  122.     if((fp1=fopen(fcode,"a+t"))==NULL)
  123.         printf("file open error!(code file)\n"),exit(1);
  124.  
  125.     while(fscanf(fp1,"%10s%20s",code_no,code_name)!=EOF)
  126.     {
  127.         if(strcmp(code_no,temp)==0)
  128.         {
  129.             fclose(fp1);
  130.             printf("duplicate code NO!\n");
  131.             printf("go back to main menu.please press any key......");
  132.             getche();
  133.             main();                           
  134.         }                                                    
  135.     }     
  136.     fprintf(fp1,"%10s",temp);
  137.     printf("Name:");
  138.     fprintf(fp1,"%20s",gets(temp));
  139.     fprintf(fp1,"\n");
  140.     if(fclose(fp1)==-1)
  141.         printf("file close error!\n"),exit(1);
  142. }
  143.  
  144. void check_reserve(void)
  145. {
  146.     char code_no[10],code_name[20];
  147.     long total=0,in_amt=0,out_amt=0;
  148.     char *s_qty,temp;
  149.     int e_day=0;
  150.  
  151.     if((fp1=fopen(fcode,"r"))==NULL)
  152.         printf("file read error(code file)\n"),exit(1); 
  153.  
  154.     printf("\n--------------------------------------------\n");
  155.     printf("material no material name safety stock");
  156.     printf("\n--------------------------------------------\n");
  157.  
  158.     e_day=day_today+PTIME;
  159.     while(fscanf(fp1,"%10s%20s",code_no,code_name)!=EOF)
  160.     {
  161.         s_qty=qtyCalc(code_no,1,e_day);
  162.         sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  163.         if(total<SQty)
  164.             printf("%s%22s%18ld\n",code_no,code_name,total);                                                    
  165.     }    
  166.     if(fclose(fp1)==-1)
  167.         printf("\n\npress any key to continue...!");
  168.         getche();
  169. }
  170.  
  171. char* qtyCalc(char check_no[10],int s_day,int e_day)
  172. {
  173.     char m_no[10],m_name[20],m_date[11],m_rdate[11],type;
  174.  
  175.     long m_amount,total=0,in_amt=0,out_amt=0;
  176.     int m_day=0;
  177.     static char sqty[30];
  178.  
  179.     if((fp=fopen(fname,"r"))==NULL)
  180.         printf("file read error(database file)!"),exit(1);
  181.  
  182.     while(fscanf(fp,"%s%s%ld%c%s",m_no,m_date,&m_amount,&type,m_rdate)!=EOF)
  183.     {
  184.         if((strcmp(m_no,check_no)==0)&&(s_day<=m_day)&&(m_day<=e_day))
  185.         {
  186.             if(type=='+')
  187.                 total+=m_amount,in_amt+=m_amount;
  188.             if(type=='-')
  189.                 total-=m_amount,out_amt+=m_amount;                                                             
  190.         }                                                                        
  191.     }      
  192.     sprintf(sqty,"%ld%ld%ld",in_amt,out_amt,total);
  193.     if(fclose(fp)==-1)
  194.         printf("file close error!\n"),exit(1);
  195.         return sqty;
  196. }
  197.  
  198. void search1(void)
  199. {
  200.     char search_no[10],m_no[10],m_date[11],type,m_rdate[11],p,*s_qty,temp;
  201.     char Q[31][1];
  202.     long Q1[31][3];
  203.     long m_amount=0,in_amt=0,out_amt=0,total=0,ftotal=0;
  204.     int m_day,i,j=0;
  205.  
  206.     for(i=0;i<=30;i++)
  207.     {
  208.         strcpy(Q[i],"");
  209.         Q1[i][0]=0,Q1[i][1]=0,Q1[i][2]=0;                  
  210.     }                                    
  211.     printf("\n\n查詢今日前後15天的進出貨狀況\n");
  212.     fflush(stdin);
  213.     printf("\nPlease input material NO:");
  214.     gets(search_no); 
  215.     s_qty=qtyCalc(search_no,1,day_today-16);
  216.  
  217.     if((fp=fopen(fname,"r"))==NULL)
  218.         printf("file read error...!"),exit(1);
  219.  
  220.     sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  221.     printf("\nthe safety stock of no.%s:%ld\n",search_no,total); 
  222.     ftotal=total;
  223.     printf("\n-------------------------------------------------------\n");
  224.     printf("    date    order    sale    stock\n");
  225.     printf("--------------------------------------------------------\n");
  226.  
  227.     while(fscanf(fp,"%s%s%ld%c%s",m_no,m_date,&m_amount,&type,m_rdate)!=EOF)
  228.     {
  229.         m_day=dayCalc(m_date);
  230.         if((strcmp(m_no,search_no)==0)&&((day_today-15)<=m_day)&&(m_day<=(day_today+15)))
  231.         {
  232.             if(type=='+')
  233.             {
  234.                 Q1[m_day-day_today+15][0]+=m_amount;
  235.                 Q1[m_day-day_today+15][2]+=m_amount;             
  236.             }                                       
  237.             if(type=='-')
  238.             {
  239.                 Q1[m_day-day_today+15][1]+=m_amount;
  240.                 Q1[m_day-day_today+15][2]-=m_amount;             
  241.             }                             
  242.             if(strcmp(Q[m_day-day_today+15],"")==0)
  243.                 strcpy(Q[m_day-day_today+15],m_date);             
  244.         }                                            
  245.  
  246.     }   
  247.     if(fclose(fp)==-1)
  248.         printf("file close error!\n"),exit(1);
  249.  
  250.     for(i=0;i<=30;i++)
  251.     {
  252.         Q1[i][2]=Q1[i][2]+total;
  253.         total=Q1[i][2];
  254.         if(strcmp(Q[i],"")!=0)
  255.         {
  256.             printf("%10s%15ld%15ld%15ld\n",Q[i],Q1[i][0],Q1[i][1],Q1[i][2]),j++;
  257.             if(j==15)
  258.                 printf("--more--\n"),getch();                      
  259.         }                  
  260.     }                              
  261.     fflush(stdin);
  262.     printf("do you want to save the result(Y/N)?");
  263.     scanf("%c",&p);
  264.     if((p=='Y')||(p=='y'))
  265.     {
  266.         if((fp2=fopen(ftemp,"w"))==NULL)
  267.             printf("file open error!\n"),exit(1);
  268.  
  269.         fprintf(fp2,"\nthe safety stock of no%s:%ld\n",search_no,ftotal);
  270.         fprintf(fp2,"\n----------------------------------------------\n");
  271.         fprintf(fp2,"    date    order    sale    stock\n");
  272.         fprintf(fp2,"\n----------------------------------------------\n");
  273.  
  274.         for(i=0;i<=30;i++)
  275.         {
  276.             if(strcmp(Q[i],"")!=0)
  277.                 fprintf(fp2,"%10s%15ld%15ld%15ld\n",Q[i],Q1[i][0],Q1[i][1],Q1[i][2]);                  
  278.         }                      
  279.         if(fclose(fp2)==-1)
  280.             printf("file close error!\n"),exit(1);
  281.  
  282.         printf("\nfile name:temp.txt\n");
  283.     }
  284.     printf("\npress any key to continue...!");
  285.     getche();
  286. }
  287.  
  288. void search2(void)
  289. {
  290.     char search_date[11];
  291.     char code_no[10],code_name[20];
  292.     char *s_qty,temp,p;
  293.     int day_search=0;
  294.     long in_amt=0,out_amt=0,total=0;
  295.     fflush(stdin);
  296.     printf("\n查詢至輸入的日期截止，所有進出貨的存貨狀況\n");
  297.     printf("please input the deadline(yyyy/mm/dd):");
  298.     gets(search_date);
  299.     day_search=dayCalc(search_date);
  300.     printf("do you want to save the result(Y/N)?");
  301.     scanf("%c",&p); 
  302.     printf("\n---------------------------------------------\n");
  303.     printf("material no    order    sale    stock\n");
  304.     printf("----------------------------------------------\n");  
  305.     if((p=='Y')||(p=='y'))
  306.     {
  307.         if((fp2=fopen(ftemp,"w"))==NULL)
  308.             printf("file open error!\n"),exit(1);
  309.  
  310.         fprintf(fp2,"\nthe deadline:%s\n",search_date);
  311.         fprintf(fp2,"\n----------------------------------------------\n");
  312.         fprintf(fp2,"material no    order    sale    stock\n");
  313.         fprintf(fp2,"----------------------------------------------\n");                      
  314.     }  
  315.     if((fp1=fopen(fcode,"r"))==NULL)
  316.         printf("file read error...(code file)\n"),exit(1);
  317.  
  318.     while(fscanf(fp1,"%10s%20s",code_no,code_name)!=EOF)
  319.     {
  320.         s_qty=qtyCalc(code_no,1,day_search);
  321.         sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  322.         printf("%10s%15ld%15ld%15ld\n",code_no,in_amt,out_amt,total);
  323.         if((p=='Y')||(p=='y'))
  324.             fprintf(fp2,"%10s%15ld%15ld%15ld\n",code_no,in_amt,out_amt,total);
  325.             total=0,in_amt=0,out_amt=0;                                                    
  326.     }
  327.     if(fclose(fp1)==-1)
  328.         printf("file close error!\n"),exit(1);
  329.  
  330.     if((p=='Y')||(p=='y'))
  331.     {
  332.         if(fclose(fp2)==-1)
  333.             printf("file close error!\n"),exit(1);
  334.  
  335.         printf("\nfile name:temp.txt\n");                     
  336.     }
  337.     printf("\npress any key to continue...!");getche();
  338. }
  339.  
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https://ideone.com/hOD69
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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