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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4. #include <dos.h>
  5. #define PTIME 20
  6. #define SQty 1000
  7. #define fname "material.txt"
  8. #define fcode "code.txt"
  9. #define ftemp "temp.txt"
  10.  
  11. FILE *fp,*fp1,*fp2;
  12. char stoday[11];
  13. int day_today=0;
  14.  
  15. /*struct tm
  16. {
  17.     int da_year;
  18.     int da_mon;
  19.     int da_day;       
  20. };*/
  21.  
  22. struct data
  23. {
  24.     char m_no[10];
  25.     char m_name[20];
  26.     char m_date[11];
  27.     long m_amount;
  28.     char type;
  29.     char m_rdate[11];  
  30.     struct data* left;
  31.     struct data* right;     
  32. };
  33.  
  34. void load(FILE* fp);
  35. void make_tree(struct data* m_data,struct data** head);
  36. void traverse_tree(struct data** head);
  37.  
  38. struct data* head;
  39.  
  40. int main(void)
  41. {
  42.     FILE* fp=fopen("material.txt","r");
  43.     load(fp);
  44.  
  45.     void print(void);
  46.     void edit_code(void);
  47.     void check_reserve(void);
  48.     void record(char type);
  49.     char* qtyCalc(char check_no[10],int s_day,int e_day);
  50.  
  51.     {
  52.         //struct tm d;
  53.          struct tm* local;
  54.          time_t t;
  55.          t=time(NULL);
  56.          local=localtime(&t);
  57.  
  58.         sprintf(stoday,"%d/%d/%d",local->tm_year+1900,local->tm_mon+1,local->tm_mday);
  59.  
  60.         //printf("%s\n",stoday);
  61.         day_today=dayCalc(stoday);      
  62.     }     
  63.  
  64.     for(;;)
  65.     {
  66.         //clrscr();
  67.         //system("cls");
  68.         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");
  69.         printf("Please enter choice?");
  70.         switch(getche())
  71.         {
  72.             case'0':exit(0);
  73.             case'1':record('+');break;
  74.             case'2':record('-');break;
  75.             case'3':print();break;
  76.             case'4':edit_code();break;
  77.             case'5':check_reserve();break;
  78.             default:printf("Input error!Please input 0~5\n");break;                
  79.         }       
  80.     }
  81.     return 0;
  82. }
  83.  
  84. void load(FILE* fp)
  85. {
  86.     char m_no[10],m_name[20],m_date[11],m_rdate[11],type;
  87.     long m_amount;
  88.     head=NULL;
  89.     while(fscanf(fp,"%s%s%ld%c%s",m_no,m_date,&m_amount,&type,m_rdate)!=EOF)
  90.     {
  91.         struct data* m_data=(struct data*)malloc(sizeof(struct data));
  92.         strcpy(m_data->m_no,m_no);
  93.         strcpy(m_data->m_date,m_date);
  94.         m_data->m_amount=m_amount;
  95.         m_data->type=type;
  96.         strcpy(m_data->m_rdate,m_rdate);   
  97.         m_data->left=NULL;
  98.         m_data->right=NULL;  
  99.  
  100.         make_tree(m_data,&head);
  101.         printf("%s\n",head->m_no);                                                                   
  102.     }     
  103.     traverse_tree(&head);
  104. }
  105.  
  106. void make_tree(struct data* t_data,struct data** t_head)
  107. {
  108.     //printf("------------------------------");
  109.     if(*t_head==NULL)
  110.     {
  111.         t_head=&t_data;   
  112.  
  113.     }
  114.     else
  115.     {
  116.         if(strcmp((*t_head)->m_no,t_data->m_no)>0)
  117.         {            
  118.             {
  119.                 make_tree(t_data,&((*t_head)->left));    
  120.             }                                       
  121.         }  
  122.         else if(strcmp((*t_head)->m_no,t_data->m_no)<=0)
  123.         {
  124.                 make_tree(t_data,&((*t_head)->right));                                         
  125.         }    
  126.     }
  127.    // printf("%s\n",(*t_head)->m_no);
  128. }
  129.  
  130. int dayCalc(char sdate[])
  131. {
  132.     long year,month,day;
  133.     char temp;
  134.     int days[]={31,28,31,30,31,30,31,31,30,31,30,31};
  135.     int i,total;
  136.     sscanf(sdate,"%ld%c%ld%c%ld",&year,&temp,&month,&temp,&day);
  137.     total=day+(month>2&&((year%4==0&&year%100!=0)||year%400==0));
  138.     for(i=0;i<month-1;total+=days[i++]);
  139.     return total;
  140. }
  141.  
  142. void record(char type)
  143. {
  144.     long total=0,m_amount=0,in_amt=0,out_amt=0;
  145.     char m_no[10],m_date[11],m_rdate[11];
  146.     char *s_qty,temp;
  147.     char* qtyCalc(char check_no[10],int s_day,int e_day);  
  148.     printf("\n\n*****************************************************\n");
  149.     fflush(stdin); 
  150.     printf("No:");
  151.     gets(m_no);
  152.     //printf("%s\n",m_no);
  153.     s_qty=qtyCalc(m_no,1,day_today+PTIME);
  154.     //printf("%s\n",s_qty);
  155.     sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  156.     if(total<SQty)
  157.     {
  158.         printf("The current safety stock qty is %ld\n",total);              
  159.     }  
  160.     printf("Date(yyyy/mm/dd):");
  161.     gets(m_date);
  162.     printf("Quantity:");
  163.     scanf("%ld",&m_amount);
  164.  
  165.     if((fp=fopen(fname,"at"))==NULL)
  166.         printf("file open error!\n"),exit(1);
  167.  
  168.     fprintf(fp,"%10s%15s%10ld%c%15s\n",m_no,m_date,m_amount,type,stoday);
  169.     if(fclose(fp)==-1)
  170.         printf("file close error!\n"),exit(1);
  171. }
  172.  
  173. void print(void)
  174. {
  175.     void search1(void);
  176.     void search2(void);
  177.     for(;;)
  178.     {
  179.         //clrscr();
  180.         system("cls");
  181.         printf("\nsearch & print database\n\(1)query single material\n\(2)query all materials\n\(0)back to mainmenu\n");
  182.         printf("enter choice?");
  183.         switch(getche())
  184.         {
  185.             case'0':main();break;
  186.             case'1':search1();break;
  187.             case'2':search2();break;
  188.             default:printf("input error!please input0~2\n");break;
  189.         }       
  190.     }     
  191. }
  192.  
  193. void edit_code(void)
  194. {
  195.     char temp[20],code_no[10],code_name[20];
  196.     printf("\n\n***************************************\n");
  197.     fflush(stdin);
  198.     printf("No:");
  199.     gets(temp);
  200.     if((fp1=fopen(fcode,"a+t"))==NULL)
  201.         printf("file open error!(code file)\n"),exit(1);
  202.  
  203.     while(fscanf(fp1,"%10s%20s",code_no,code_name)!=EOF)
  204.     {
  205.         if(strcmp(code_no,temp)==0)
  206.         {
  207.             fclose(fp1);
  208.             printf("duplicate code NO!\n");
  209.             printf("go back to main menu.please press any key......");
  210.             getche();
  211.             main();                           
  212.         }                                                    
  213.     }     
  214.     fprintf(fp1,"%10s",temp);
  215.     printf("Name:");
  216.     fprintf(fp1,"%20s",gets(temp));
  217.     fprintf(fp1,"\n");
  218.     if(fclose(fp1)==-1)
  219.         printf("file close error!\n"),exit(1);
  220. }
  221.  
  222. void check_reserve(void)
  223. {
  224.     char code_no[10],code_name[20];
  225.     long total=0,in_amt=0,out_amt=0;
  226.     char *s_qty,temp;
  227.     int e_day=0;
  228.  
  229.     if((fp1=fopen(fcode,"r"))==NULL)
  230.         printf("file read error(code file)\n"),exit(1); 
  231.  
  232.     printf("\n--------------------------------------------\n");
  233.     printf("material no material name safety stock");
  234.     printf("\n--------------------------------------------\n");
  235.  
  236.     e_day=day_today+PTIME;
  237.     while(fscanf(fp1,"%10s%20s",code_no,code_name)!=EOF)
  238.     {
  239.         s_qty=qtyCalc(code_no,1,e_day);
  240.         sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  241.         if(total<SQty)
  242.             printf("%s%22s%18ld\n",code_no,code_name,total);                                                    
  243.     }    
  244.     if(fclose(fp1)==-1)
  245.         printf("\n\npress any key to continue...!");
  246.         getche();
  247. }
  248.  
  249. char* qtyCalc(char check_no[10],int s_day,int e_day)
  250. {
  251.     char m_no[10],m_name[20],m_date[11],m_rdate[11],type;
  252.  
  253.     long m_amount,total=0,in_amt=0,out_amt=0;
  254.     int m_day=0;
  255.     static char sqty[30];
  256.  
  257.     if((fp=fopen(fname,"r"))==NULL)
  258.         printf("file read error(database file)!"),exit(1);
  259.  
  260.     while(fscanf(fp,"%s%s%ld%c%s",m_no,m_date,&m_amount,&type,m_rdate)!=EOF)
  261.     {
  262.        // printf("%ld%c\n",m_amount,type);
  263.         m_day=dayCalc(m_date);
  264.         if((strcmp(m_no,check_no)==0)&&(s_day<=m_day)&&(m_day<=e_day))
  265.         {
  266.             if(type=='+')
  267.                 total+=m_amount,in_amt+=m_amount;
  268.             if(type=='-')
  269.                 total-=m_amount,out_amt+=m_amount;                                                             
  270.         }   
  271.        // printf("%ld%ld%ld\n",in_amt,out_amt,total);                                                                     
  272.     }      
  273.     sprintf(sqty,"%ld/%ld/%ld",in_amt,out_amt,total);
  274.     //printf("%s",sqty);
  275.     if(fclose(fp)==-1)
  276.         printf("file close error!\n"),exit(1);
  277.         return sqty;
  278. }
  279.  
  280. void search1(void)
  281. {
  282.     char search_no[10],m_no[10],m_date[11],type,m_rdate[11],p,*s_qty,temp;
  283.     char Q[31][11];
  284.     long Q1[31][3];
  285.     long m_amount=0,in_amt=0,out_amt=0,total=0,ftotal=0;
  286.     int m_day,i,j=0;
  287.  
  288.     for(i=0;i<=30;i++)
  289.     {
  290.         strcpy(Q[i],"");
  291.         Q1[i][0]=0,Q1[i][1]=0,Q1[i][2]=0;                  
  292.     }                                    
  293.     printf("\n\n查詢今日前後15天的進出貨狀況\n");
  294.     fflush(stdin);
  295.     printf("\nPlease input material NO:");
  296.     gets(search_no); 
  297.     s_qty=qtyCalc(search_no,1,day_today-16);
  298.  
  299.     if((fp=fopen(fname,"r"))==NULL)
  300.         printf("file read error...!"),exit(1);
  301.  
  302.     sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  303.     printf("\nthe safety stock of no.%s:%ld\n",search_no,total); 
  304.     ftotal=total;
  305.     printf("\n-------------------------------------------------------\n");
  306.     printf("    date    order    sale    stock\n");
  307.     printf("--------------------------------------------------------\n");
  308.  
  309.     while(fscanf(fp,"%s%s%ld%c%s",m_no,m_date,&m_amount,&type,m_rdate)!=EOF)
  310.     {
  311.         m_day=dayCalc(m_date);
  312.         if((strcmp(m_no,search_no)==0)&&((day_today-15)<=m_day)&&(m_day<=(day_today+15)))
  313.         {
  314.             if(type=='+')
  315.             {
  316.                 Q1[m_day-day_today+15][0]+=m_amount;
  317.                 Q1[m_day-day_today+15][2]+=m_amount;             
  318.             }                                       
  319.             if(type=='-')
  320.             {
  321.                 Q1[m_day-day_today+15][1]+=m_amount;
  322.                 Q1[m_day-day_today+15][2]-=m_amount;             
  323.             }                             
  324.             if(strcmp(Q[m_day-day_today+15],"")==0)
  325.                 strcpy(Q[m_day-day_today+15],m_date);             
  326.         }                                            
  327.  
  328.     }   
  329.     if(fclose(fp)==-1)
  330.         printf("file close error!\n"),exit(1);
  331.  
  332.     for(i=0;i<=30;i++)
  333.     {
  334.         Q1[i][2]=Q1[i][2]+total;
  335.         total=Q1[i][2];
  336.         if(strcmp(Q[i],"")!=0)
  337.         {
  338.             printf("%10s%15ld%15ld%15ld\n",Q[i],Q1[i][0],Q1[i][1],Q1[i][2]),j++;
  339.             if(j==15)
  340.                 printf("--more--\n"),getch();                      
  341.         }                  
  342.     }                              
  343.     fflush(stdin);
  344.     printf("do you want to save the result(Y/N)?");
  345.     scanf("%c",&p);
  346.     if((p=='Y')||(p=='y'))
  347.     {
  348.         if((fp2=fopen(ftemp,"w"))==NULL)
  349.             printf("file open error!\n"),exit(1);
  350.  
  351.         fprintf(fp2,"\nthe safety stock of no%s:%ld\n",search_no,ftotal);
  352.         fprintf(fp2,"\n----------------------------------------------\n");
  353.         fprintf(fp2,"    date    order    sale    stock\n");
  354.         fprintf(fp2,"\n----------------------------------------------\n");
  355.  
  356.         for(i=0;i<=30;i++)
  357.         {
  358.             if(strcmp(Q[i],"")!=0)
  359.                 fprintf(fp2,"%10s%15ld%15ld%15ld\n",Q[i],Q1[i][0],Q1[i][1],Q1[i][2]);                  
  360.         }                      
  361.         if(fclose(fp2)==-1)
  362.             printf("file close error!\n"),exit(1);
  363.  
  364.         printf("\nfile name:temp.txt\n");
  365.     }
  366.     printf("\npress any key to continue...!");
  367.     getche();
  368. }
  369.  
  370. void search2(void)
  371. {
  372.     char search_date[11];
  373.     char code_no[10],code_name[20];
  374.     char *s_qty,temp,p;
  375.     int day_search=0;
  376.     long in_amt=0,out_amt=0,total=0;
  377.     fflush(stdin);
  378.     printf("\n查詢至輸入的日期截止，所有進出貨的存貨狀況\n");
  379.     printf("please input the deadline(yyyy/mm/dd):");
  380.     gets(search_date);
  381.     day_search=dayCalc(search_date);
  382.     printf("do you want to save the result(Y/N)?");
  383.     scanf("%c",&p); 
  384.     printf("\n---------------------------------------------\n");
  385.     printf("material no    order    sale    stock\n");
  386.     printf("----------------------------------------------\n");  
  387.     if((p=='Y')||(p=='y'))
  388.     {
  389.         if((fp2=fopen(ftemp,"w"))==NULL)
  390.             printf("file open error!\n"),exit(1);
  391.  
  392.         fprintf(fp2,"\nthe deadline:%s\n",search_date);
  393.         fprintf(fp2,"\n----------------------------------------------\n");
  394.         fprintf(fp2,"material no    order    sale    stock\n");
  395.         fprintf(fp2,"----------------------------------------------\n");                      
  396.     }  
  397.     if((fp1=fopen(fcode,"r"))==NULL)
  398.         printf("file read error...(code file)\n"),exit(1);
  399.  
  400.     while(fscanf(fp1,"%10s%20s",code_no,code_name)!=EOF)
  401.     {
  402.         s_qty=qtyCalc(code_no,1,day_search);
  403.        // printf("%d\n",day_search);
  404.        // printf("%s\n",s_qty);
  405.         sscanf(s_qty,"%ld%c%ld%c%ld",&in_amt,&temp,&out_amt,&temp,&total);
  406.         /*printf("s_qty=%s\n",s_qty);
  407.         printf("in_amt=%d\n",in_amt);
  408.         printf("out_amt=%d\n",out_amt);
  409.         printf("total=%d\n",total);*/
  410.         printf("%8s %10ld %10ld %10ld\n",code_no,in_amt,out_amt,total);
  411.         if((p=='Y')||(p=='y'))
  412.             fprintf(fp2,"%10s %15ld %15ld %15ld\n",code_no,in_amt,out_amt,total);
  413.             total=0,in_amt=0,out_amt=0;                                                    
  414.     }
  415.     if(fclose(fp1)==-1)
  416.         printf("file close error!\n"),exit(1);
  417.  
  418.     if((p=='Y')||(p=='y'))
  419.     {
  420.         if(fclose(fp2)==-1)
  421.             printf("file close error!\n"),exit(1);
  422.  
  423.         printf("\nfile name:temp.txt\n");                     
  424.     }
  425.     printf("\npress any key to continue...!");getche();
  426. }
  427.  
  428. void traverse_tree(struct data** head)
  429. {
  430.     //printf("----------------------\n");
  431.     if(*head==NULL)
  432.     {
  433.         printf("------------------------\n");
  434.         return;              
  435.     }
  436.     else
  437.     {
  438.        // printf("------------------------\n");
  439.         printf("%s %d\n",(*head)->m_no,(*head)->m_date);
  440.         traverse_tree(&((*head)->left));
  441.         traverse_tree(&((*head)->right));  
  442.     }  
  443.    // printf("------------------------\n"); 
  444. }
  445.  
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https://ideone.com/5q10f
language:
C (gcc 8.3)
created:
13 years ago
visibility:
public

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