客户消费积分管理系统 完整代码及word文档

#include "stdio.h" #include "stdlib.h" #include "string.h" #include "conio.h" #include "mem.h" #include "ctype.h" #include "alloc.h" struct score { char gukehao[8]; char mingzi[20]; float score[6]; }data,info[1000]; int i,j,k=0; float n; char temp[20],ch; FILE *fp,*fp1; void luru() { if((fp=fopen("s_score.txt","ab+"))==NULL) { printf("cannot open this file.\n"); getch();exit(0); } for(i=0;i>=0;i++) { printf("Please input gukehao:"); gets(data.gukehao); printf("please input mingzi:"); gets(data.mingzi); printf("Please input xiaofei:"); gets(temp);data.score[0]=atof(temp); if(data.score[0]<=5000) n=1; else if(data.score[0]<=10000&&data.score[0]>5000) n=0.95; else n=0.9; fwrite(&data,sizeof(data),1,fp); printf("another?(input n to main/anykey to continue)\n"); ch=getch(); if(ch=='n'||ch=='N') break; } fclose(fp); } void xiugai() { if((fp=fopen("s_score.txt","rb+"))==NULL||(fp1=fopen("temp.txt","wb+"))==NULL) { printf("Cannot open this file.\n"); exit(0); } printf("\nPlease input shuru xiugai gukehao:"); scanf("%d",&i); getchar(); while((fread(&data,sizeof(data),1,fp))==1) { j=atoi(data.gukehao); if(j==i) { printf("gukehao:%s\nmingzi:%s\n",data.gukehao,data.mingzi); printf("Please input mingzi:"); gets(data.mingzi); printf("Please input xiaofei:"); gets(temp);data.score[0]=atof(temp); } fwrite(&data,sizeof(data),1,fp1); } fseek(fp,0L,0); fseek(fp1,0L,0); while((fread(&data,sizeof(data),1,fp1))==1) { fwrite(&data,sizeof(data),1,fp); } fclose(fp); fclose(fp1); } void chazhao() { if((fp=fopen("s_score.txt","rb"))==NULL) { printf("\nCannot open this file.\n"); exit(0); } printf("\nPlease input gukehao chakan:"); scanf("%d",&i); while(fread(&data,sizeof(data),1,fp)==1) { j=atoi(data.gukehao); if(i==j) { printf("gukehao:%s\nmingzi:%s\nxiaofei:%f\njifen:%f\nzhekou:%f\n",data.gukehao,data.mingzi,data.score[0],data.score[0],n); } }getch(); } void shanchu() { if((fp=fopen("s_score.txt","rb+"))==NULL||(fp1=fopen("temp.txt","wb+"))==NULL) { printf("\nopen score.txt was failed!"); getch(); exit(0); } printf("\nPlease input gukehao which you want to del:"); scanf("%d",&i);getchar(); while((fread(&data,sizeof(data),1,fp))==1) { j=atoi(data.gukehao); if(j==i) { printf("Anykey will delet it.\n"); getch(); continue; } fwrite(&data,sizeof(data),1,fp1); } fclose(fp); fclose(fp1); remove("s_score.txt"); rename("temp.txt","s_score.txt"); printf("Data delet was succesful!\n"); printf("Anykey will return to main."); getch(); } main() { while(1) { clrscr(); printf("* ========================================================= * \n"); printf("* 1>luru 2>xiugai * \n"); printf("* 3>shanchu 4>chazhao * \n"); printf("* 5>exit * \n"); printf("* * \n"); printf("* --------------------------------------------------------- * \n"); printf(" Please input which you want(1-5):\n"); ch=getch(); switch(ch) { case '1':luru();break; case '2':xiugai(); break; case '3':shanchu(); break; case '4':chazhao(); break; case '5':exit(0); default: continue; } } }