无介面电话查询系统.rar_VC 文件操作_文件操作_文件操作 vc

#include<stdio.h> #include<string.h> struct book{ char name[30]; char phone[30]; }; void add(){ FILE *fp; char flag='1'; struct book bk[700]; int i=0,c; if((fp=fopen("cc","ab+"))==NULL) { printf("\nERROR oening customet file"); } printf("\n要添加几条记录(填整数)?"); scanf("%d",&c); for(i=0;i<c;i++) { printf("\n输入姓名:"); scanf("%s",bk[i].name); printf("\n输入电话号码:"); scanf("%s",bk[i].phone); } for(i=0;i<c;i++) { fwrite(&bk[i],sizeof(struct book),1,fp); } fclose(fp); } void read(){ FILE *fp; struct book bk; //char ch; if((fp=fopen("cc","rb"))==NULL){ printf("\nERROR oening customet file"); } printf("\n姓名:\t电话:"); while((fread(&bk,sizeof(struct book),1,fp))==1){ printf("\n%s\t%s\t",bk.name,bk.phone);} fclose(fp); } void search(){ FILE *fp; struct book bk; int i,sf,s; char sear[100]; //char *loc; if((fp=fopen("cc","r+w"))==NULL){ printf("\nERROR oening customet file"); } cc: printf("\n1姓名\n2电话\n你要按什么来找?"); scanf("%d",&s); if(s==1) { printf("\n请输入要查的姓名:"); scanf("%s",&sear); }else if(s==2){ printf("\n请输入要查的电话:"); scanf("%s",&sear); } printf("\n姓名:\t电话:"); i=0; rewind(fp); while((fread(&bk,sizeof(struct book),1,fp))==1) { if(s==1) { //loc=strchr(bk.name,sear); //if(loc!=NULL) if(!strcmp(bk.name,sear)) { printf("\n%s\t%s\t",bk.name,bk.phone); i++; } } if(s==2) { if(!strcmp(bk.phone,sear)) { printf("\n%s\t%s\t",bk.name,bk.phone); i++; } } } if(i==0){ printf("\n对不起!没有你要找的数据"); }else{ printf("\n系统共找到%d条数据.",i); } printf("继续查找(1/0)?"); scanf("%d",&sf); if(sf==1) goto cc; fclose(fp); } void del() { FILE *fp; struct book bk[700]; struct book bkt; int i,sf,s,ii=0,it,cv; char sear[100]; //char *loc; if((fp=fopen("cc","rb"))==NULL){ printf("\nERROR oening customet file"); } while((fread(&bkt,sizeof(struct book),1,fp))==1) { strcpy(bk[ii].name,bkt.name); strcpy(bk[ii].phone,bkt.phone); ii++; } fclose(fp); it=ii; cc: printf("\n1姓名\n2电话\n你要查找那一条记录来删除?"); scanf("%d",&s); if(s==1) { printf("\n请输入要查的姓名:"); scanf("%s",&sear); }else if(s==2){ printf("\n请输入要查的电话:"); scanf("%s",&sear); } printf("\n姓名:\t电话:"); i=0; ii=0; for(;ii<it;ii++) { if(s==1) { //loc=strchr(bk.name,sear); //if(loc!=NULL) if(!strcmp(bk[ii].name,sear)) { printf("\n%s\t%s\t",bk[ii].name,bk[ii].phone); i++; printf("确定要删除吗(1/0)?"); scanf("%d",&cv); for(;ii<it;ii++) { if(ii==it-1) break; strcpy(bk[ii].name,bk[ii+1].name); strcpy(bk[ii].phone,bk[ii+1].phone); } } } if(s==2) { if(!strcmp(bk[ii].phone,sear)) { printf("\n%s\t%s\t",bk[ii].name,bk[ii].phone); i++; printf("/n确定要删除吗(1/0)?"); scanf("%d",&cv); if(cv==1) for(;ii<it;ii++) { if(ii==it-1) break; strcpy(bk[ii].name,bk[ii+1].name); strcpy(bk[ii].phone,bk[ii+1].phone); } } } } if(i==0){ printf("\n对不起!没有你要找的数据"); }else { if((fp=fopen("cc","wb"))==NULL) { printf("\nERROR oening customet file"); } for(ii=0;ii<it-1;ii++) fwrite(&bk[ii],sizeof(struct book),1,fp); printf("\n该记录已被删除!."); fclose(fp); } printf("继续删除(1/0)?"); scanf("%d",&sf); if(sf==1) goto cc; } void change() { FILE *fp; struct book bk[700]; struct book bkt; int i,sf,s,ii=0,it; char sear[100]; char temp[100]; //char *loc; if((fp=fopen("cc","rb"))==NULL){ printf("\nERROR oening customet file"); } while((fread(&bkt,sizeof(struct book),1,fp))==1) { strcpy(bk[ii].name,bkt.name); strcpy(bk[ii].phone,bkt.phone); ii++; } fclose(fp); it=ii; cc: printf("\n1姓名\n2电话\n你要修改什么?"); scanf("%d",&s); if(s==1) { printf("\n请输入要查的姓名:"); scanf("%s",&sear); }else if(s==2){ printf("\n请输入要查的电话:"); scanf("%s",&sear); } printf("\n姓名:\t电话:"); i=0; ii=0; //while((fread(&bk,sizeof(struct book),1,fp))==1) for(;ii<it;ii++) { if(s==1) { //loc=strchr(bk.name,sear); //if(loc!=NULL) if(!strcmp(bk[ii].name,sear)) { printf("\n%s\t%s\t",bk[ii].name,bk[ii].phone); i++; printf("\n请输入修改后的姓名:"); scanf("%s",&temp); strcpy(bk[ii].name,temp); } } if(s==2) { if(!strcmp(bk[ii].phone,sear)) { printf("\n%s\t%s\t",bk[ii].name,bk[ii].phone); i++; printf("\n请输入修改后的电话号码:"); scanf("%s",&temp); strcpy(bk[ii].phone,temp); } } } if(i==0){ printf("\n对不起!没有你要找的数据"); }else { if((fp=fopen("cc","wb"))==NULL) { printf("\nERROR oening customet file"); } for(ii=0;ii<it;ii++) fwrite(&bk[ii],sizeof(struct book),1,fp); printf("\n修改完成!."); fclose(fp); } printf("继续修改(1/0)?"); scanf("%d",&sf); if(sf==1) goto cc; } void main(){ int ch; FILE *fp; if((fp=fopen("cc","ab+"))==NULL){ printf("\nERROR oening customet file"); } fclose(fp); do{ printf("\n\n \2\2\2\2\2\2\2\2\2\2\2\2\2\2电★话★查★询★系★统\2\2\2\2\2\2\2\2\2\2\2\2\2\2\2\2\n"); printf("\n1添加\n2读取所有\n3查找\n4删除\n5修改\n6退出\n进行那个操作(1,2,3,4,5,6)?"); scanf("%d",&ch); if(ch==1) add(); if(ch==2) read(); if(ch==3) search(); if(ch==4) del(); if(ch==5) change(); }while(ch!=6); }