c语言实现注册登陆功能(两个模块)

c语言实现注册登陆功能(两个模块)c语言实现注册登陆功能(两个模块)/NUMPAGES8c语言实现注册登陆功能(两个模块)c语言实现注册登陆功能(两个模块)typedefstruct{ charuser[20]; charcode[20];}USER;voidwrite()/*用户信息写入*/{ if((fp=fopen(pe.user,"w"))==NULL) { printf("\n\t\t文件打开失败"); } if(fwrite(&pe,sizeof(USER),1,fp)!=1) { printf("\n\t\t写入文件错误"); } fclose(fp);}voidzhuce(){ chartemp[20],txt[100],cha; inti=0; do{printf("\t\t\t\t用户注册"); printf("\n\t\t1.直接注册2.阅读用户手册"); cha=getch(); if(cha=='2') { if((fp=fopen("使用说明.txt","r"))==NULL) { printf("\n\t\t打开失败"); exit(0); } fread(txt,2,20,fp); printf("\n\t\t%s",txt); /*txt=fgets(txt,100,fp); printf("%s",txt);*/ } printf("\n\t\t按任意键继续"); getch(); system("cls"); printf("\t\t\t\t用户注册"); printf("\n\t\t用户名:");scanf("%s",pe.user); printf("\n\t\t密码:"); scanf("%s",pe.code); printf("\n\t\t确认密码:"); scanf("%s",temp); if(strcmp(pe.code,temp)!=0) printf("\n\t\t两次密码不一致,请重新输入");}while(strcmp(pe.code,temp)!=0);fp=fopen(pe.user,"r");if(fp==NULL){ fp=fopen(pe.user,"w"); if(fp==NULL){printf("\n\t注册失败\n");exit(0);} else{system("cls");printf("\n\t注册成功"); write(); judge=false; denglu();}}else{printf("\n\t该用户名已存在");fclose(fp);printf("\n\t继续注册?(Y/N)");if(getch()=='Y')returnzhuce();elsereturndenglu();}}voidwrite(){if(fwrite(&pe,sizeof(User),1,fp)!=1){printf("\n\t\t写入文件错误");exit(0);//写入错误则退出程序}}voiddenglu(){charu[20],c[20],temp[20];printf("\n\t\t\t\t用户登录");printf("\n\t\t用户名:");scanf("%s",u);fp=fopen(u,"r+");temp[0]='0';if(fp==NULL){printf("\n\t\t用户不存在,请注册");printf("\n\t\t1.注册2.重新登陆");temp[0]=getch();if(temp[0]=='1') { system("cls"); zhuce(); }elsereturndenglu();}do{ if(judge=true)fread(&pe,sizeof(USER),1,fp); printf("\t\t密码:");scanf("%s",c);if(strcmp(pe.code,c)!=0){printf("\n\t\t密码错误(1.退出2.重新输入)");temp[0]=getch();printf("\n");if(temp[0]=='1'){fclose(