项目1：交换机后台管理（2）

#include<stdio.h>#include<windows.h>#include<string.h>int main(void){?char name[32];?char password[32];?FILE*data;?char name_tmp[32];?char password_tmp[32];?char line[64];?char * ret;??data=fopen("C:text.txt","r");??if(!data){??printf("文本打开失败！");??return 1;?}?while(1){??printf("请输入用户名：");?scanf("%s",&name);?printf("请输入密码：");?scanf("%s",&password);???while(1){??ret=fgets(line,sizeof(line),data);??if(!strcmp(name,name_tmp)&&!strcmp(password,password_tmp)){???break;??}??sscanf(line,"%s%s",name_tmp,password_tmp);?if(!strcmp(name,password_tmp)){??break;??}?}?if(ret){??break;?}else{??printf("n");??system("pause");??system("cls");????fseek(data,SEEK_SET);??}?}?system("cls");?printf("---交换机后台管理---n");?return 0;?}