简易水电费管理系统源程序代码（合集五篇）.docx

简易水电费管理系统源程序代码（合集五篇）

第一篇：简易水电费管理系统源程序代码简易水电费管理系统源程序代码法一：#include#include#includestructmember{charno[100];charname[20];charpassword[20];floatwfee;floatefee;}memb;voidnewadd(intn){intt,i;fseek(fp,0,SEEK_END);printf(“>>新添人数：”);scanf(“%d”,&t);for(i=0;i>输入卡号：”);scanf(“%s”,a);inti=0;rewind(fp);while(1){fread(&memb,sizeof(structmember),1,fp);if(feof(fp)||memb.no==a)break;i++;}if(!feof(fp)){printf(“>>卡号：”);printf(“%sn”,memb.no);printf(“>>姓名：”);printf(“%sn”,memb.name“);printf(”>>水费：“);printf(”%fn“,memb.wfee);printf(”>>电费：“);printf(”%fn“,memb.efee);}elseprintf(”>>查无此人n“);};voiddelete(intn){charc[100];printf(”>>删除的卡号:“);scanf(”%s,“c);if((fp1=fopen(”temp.bin“,”wb“))==NULL){printf(”>>不能建立临时文件，无法删除n“);}rewind(fp);while(1){fread(&memb,sizeof(structmember),1,fp);if(feof(fp))break;if(memb.no!=c)fwrite(&memb,sizeof(structmember),1,fp1);}fclose(fp1);fclose(fp);remove(”member.bin“);rename(”temp.bin“,”member.bin“);fp=fopen(”member.bin“,”rb++“);};main(){chara[100];charb[20];FILE*fp;printf(”欢迎进入水电费管理系统n“)inti=0,sel=1;if((fp=fopen(”member.bin“,”wb++“))==NULL){printf(”>>不能建立member.bin文件n“);return(0);}while(sel!=0){printf(”|1|2|3|4|n“);printf(”|-----------------------------|n“);printf(”|新添成员|查找个人信息|删除成员|退出|n);fseek(fp,0,SEEK_END);scanf(“%d”,&sel);switch(sel){case1:newadd(sel);break;clscr();exit(0);case2:printf(“请输入您的卡号：”);printf(“%s”,a);printf(“请输入您的密码：”);puts(b);while(strcmp(a,memb.no)==0&&strcmp(b,memb.password)==0)look(sel);printf(“您的输入有误n”);break;clscr();exit(0);case3:delete(sel);break;clscr();exit(0);}法二：#include#include#include#include#includestructmember{charno[100];charname[20];charpassword[20];floatwfee;floatefee;}memb;voidnewadd(intn){intt,i;FILE*fp;fp=fopen(“e:member.bin”,“a”);fseek(fp,0,SEEK_END);printf(“>>新添人数：”);scanf(“%d”,&t);for(i=0;iif(fp==NULL)printf(“****”);printf(“>>输入卡号：”);scanf(“%s”,a);i=0;rewind(fp);while(1){fread(&memb,sizeof(structmember),1,fp);if(feof(fp)||strcmp(memb.no,a)==0)break;i++;}if(!feof(fp)){printf(“>>卡号：”);printf(“%sn”,memb.no);printf(“>>姓名：”);printf(“%s