os.cpp

小小的二级文件管理系统

#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<string.h>
#include<io.h>
#include"files.h"
int main()
{   char sys[]=".\\sys\\ccyos.sys";
	FILE *fp;
	system("cls");
	int num=0;
	printf("\n\n\t\t\t加密文件管理系统");
    num=filelogin();
	printf("%d\n",num);
	system("cls");
	printf("\n\n");
	help();
	while(1)
	{   
		rewind(stdin);
		printf("\n>");
		char filename[32]=".\\user\\",name[32]="",cmd[32]="";
        
		cinfile(cmd,name);
		if(strlen(name)>0)
		{
			strcat(filename,name);
			//printf("%s\n",filename);
			if(!strcmp(cmd,"a"))
			{
				if(filexist(filename))
				{
					printf("文件已经存在");
					
				}
				else
				{
					if(!(fp=fopen(filename,"w")))
						printf("文件创建失败");
					else
					{	fclose(fp);
						filecreat(sys,name);
						printf("文件创建成功");
						
					}
				}
				
				
			}
			else if(!strcmp(cmd,"r"))	
			{
				if(!filexist(filename))
					printf("文件不存在");
				else
				{
                    fp=fopen(filename,"r");
					fileread(fp,num);
					fclose(fp);
				}
			}
			else if(!strcmp(cmd,"w"))
			{
				if(!filexist(filename))
					printf("文件没有创建");
				else{
					fp=fopen(filename,"a");
					filewrite(fp,num);
					fclose(fp);
				}
			}
			else if(!strcmp(cmd,"d"))
			{
				if(!filexist(filename))
					printf("文件不存在");
				else 
					filedel(sys,filename,name);
			}
			else
			{
				printf("命令错误,输入?查看帮助吧!");
				continue;
			}
		}
		else
		{
			if(!strcmp(cmd,"m"))
			{	
				int c;
				fp=fopen(sys,"r");
				while((c=getc(fp))!=EOF)
					putc(c,stdout);
				fclose(fp);
			}
			else if(!strcmp(cmd,"s"))
			{
				system("cls");
			}
			
			else if(!strcmp(cmd,"q"))
			{
				break;
			}
			else if(!strcmp(cmd,"?"))
			{
				help();
			}
			else
			{
				printf("命令错误,输入?查看帮助吧!");
				continue;
			}
		}
	}
	
	return 0;
}