简易水电费管理系统源程序代码.doc

简易水电费管理系统源程序代码法一：#include#include#includestruct memberchar no100;char name20;char password20;float wfee;float efee;memb;void newadd(int n) int t,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);int i=0;rewind(fp);while(1) fread(&memb,sizeof(struct member),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,); printf(水费：);printf(%fn,memb.wfee);printf(电费：);printf(%fn,memb.efee);else printf(查无此人n);void delete(int n) char c100;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(struct member),1,fp); if(feof(fp) break; if(memb.no!=c) fwrite(&memb,sizeof(struct member),1,fp1);fclose(fp1);fclose(fp);remove(member.bin);rename(temp.bin,member.bin);fp=fopen(member.bin,rb+);main() char a100; char b20;FILE *fp;printf(欢迎进入水电费管理系统n)int i=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) case 1: newadd(sel); break; clscr(); exit(0); case 2: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); case 3: delete(sel); break; clscr(); exit(0); 法二：#include#include#include#include#includestruct memberchar no100;char name20;char password20;float wfee;float efee;memb;void newadd(int n) int t,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;i输入卡号：);scanf(%s,a);i=0;rewind(fp);while(1) fread(&memb,sizeof(struct member),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(%sn,); printf(水费：);printf(%fn,memb.wfee);printf(电费：);printf(%fn,memb.efee);else printf(查无此人n);getch();fclose(fp);void dele(int n) char c100;FILE *fp,*fp1;fp=fopen(e:member.bin,rb);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(struct member),1,fp); if(feof(fp) break; if(strcmp(memb.no,c)!=0) fwrite(&memb,sizeof(struct member),1,fp1);fclose(fp1);fclose(fp);remove(member.bin);rename(temp.bin,member.bin);fp=fopen(member.bin,rb+);main() char a100; char b20;int i=0,sel=1;FILE *fp;printf(欢迎进入水电费管理系统n);if(fp=fopen(e: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);printf(sel=%d